diff --git a/Android.bp b/Android.bp
index 79734df..b274552 100644
--- a/Android.bp
+++ b/Android.bp
@@ -1189,10 +1189,7 @@
         "test-base/src/**/*.java",
         ":opt-telephony-srcs",
         ":opt-net-voip-srcs",
-        ":openjdk_javadoc_files",
-        ":non_openjdk_javadoc_files",
-        ":android_icu4j_src_files_for_docs",
-        ":conscrypt_public_api_files",
+        ":core_public_api_files",
         "test-mock/src/**/*.java",
         "test-runner/src/**/*.java",
     ],
@@ -1250,10 +1247,7 @@
     srcs: [
         ":opt-telephony-srcs",
         ":opt-net-voip-srcs",
-        ":openjdk_javadoc_files",
-        ":non_openjdk_javadoc_files",
-        ":android_icu4j_src_files_for_docs",
-        ":conscrypt_public_api_files",
+        ":core_public_api_files",
     ],
     srcs_lib: "framework",
     srcs_lib_whitelist_dirs: frameworks_base_subdirs,
diff --git a/api/current.txt b/api/current.txt
index e789d5b..9ebd4b4 100755
--- a/api/current.txt
+++ b/api/current.txt
@@ -4203,10 +4203,9 @@
 
   public class AppComponentFactory {
     ctor public AppComponentFactory();
-    method public android.content.pm.ApplicationInfo getApplicationInfo();
     method @NonNull public android.app.Activity instantiateActivity(@NonNull ClassLoader, @NonNull String, @Nullable android.content.Intent) throws java.lang.ClassNotFoundException, java.lang.IllegalAccessException, java.lang.InstantiationException;
     method @NonNull public android.app.Application instantiateApplication(@NonNull ClassLoader, @NonNull String) throws java.lang.ClassNotFoundException, java.lang.IllegalAccessException, java.lang.InstantiationException;
-    method @NonNull public ClassLoader instantiateClassLoader(@NonNull ClassLoader);
+    method @NonNull public ClassLoader instantiateClassLoader(@NonNull ClassLoader, @NonNull android.content.pm.ApplicationInfo);
     method @NonNull public android.content.ContentProvider instantiateProvider(@NonNull ClassLoader, @NonNull String) throws java.lang.ClassNotFoundException, java.lang.IllegalAccessException, java.lang.InstantiationException;
     method @NonNull public android.content.BroadcastReceiver instantiateReceiver(@NonNull ClassLoader, @NonNull String, @Nullable android.content.Intent) throws java.lang.ClassNotFoundException, java.lang.IllegalAccessException, java.lang.InstantiationException;
     method @NonNull public android.app.Service instantiateService(@NonNull ClassLoader, @NonNull String, @Nullable android.content.Intent) throws java.lang.ClassNotFoundException, java.lang.IllegalAccessException, java.lang.InstantiationException;
@@ -27250,8 +27249,8 @@
   }
 
   public class InetAddresses {
-    method public static boolean isNumericAddress(String);
-    method public static java.net.InetAddress parseNumericAddress(String);
+    method public static boolean isNumericAddress(@NonNull String);
+    method @NonNull public static java.net.InetAddress parseNumericAddress(@NonNull String);
   }
 
   public final class IpPrefix implements android.os.Parcelable {
@@ -27470,6 +27469,7 @@
     field public static final int NET_CAPABILITY_IA = 7; // 0x7
     field public static final int NET_CAPABILITY_IMS = 4; // 0x4
     field public static final int NET_CAPABILITY_INTERNET = 12; // 0xc
+    field public static final int NET_CAPABILITY_MCX = 23; // 0x17
     field public static final int NET_CAPABILITY_MMS = 0; // 0x0
     field public static final int NET_CAPABILITY_NOT_CONGESTED = 20; // 0x14
     field public static final int NET_CAPABILITY_NOT_METERED = 11; // 0xb
@@ -27841,25 +27841,25 @@
 
   public class VpnService.Builder {
     ctor public VpnService.Builder();
-    method public android.net.VpnService.Builder addAddress(java.net.InetAddress, int);
-    method public android.net.VpnService.Builder addAddress(String, int);
-    method public android.net.VpnService.Builder addAllowedApplication(String) throws android.content.pm.PackageManager.NameNotFoundException;
-    method public android.net.VpnService.Builder addDisallowedApplication(String) throws android.content.pm.PackageManager.NameNotFoundException;
-    method public android.net.VpnService.Builder addDnsServer(java.net.InetAddress);
-    method public android.net.VpnService.Builder addDnsServer(String);
-    method public android.net.VpnService.Builder addRoute(java.net.InetAddress, int);
-    method public android.net.VpnService.Builder addRoute(String, int);
-    method public android.net.VpnService.Builder addSearchDomain(String);
-    method public android.net.VpnService.Builder allowBypass();
-    method public android.net.VpnService.Builder allowFamily(int);
-    method public android.os.ParcelFileDescriptor establish();
-    method public android.net.VpnService.Builder setBlocking(boolean);
-    method public android.net.VpnService.Builder setConfigureIntent(android.app.PendingIntent);
-    method public android.net.VpnService.Builder setHttpProxy(@NonNull android.net.ProxyInfo);
-    method public android.net.VpnService.Builder setMetered(boolean);
-    method public android.net.VpnService.Builder setMtu(int);
-    method public android.net.VpnService.Builder setSession(String);
-    method public android.net.VpnService.Builder setUnderlyingNetworks(android.net.Network[]);
+    method @NonNull public android.net.VpnService.Builder addAddress(@NonNull java.net.InetAddress, int);
+    method @NonNull public android.net.VpnService.Builder addAddress(@NonNull String, int);
+    method @NonNull public android.net.VpnService.Builder addAllowedApplication(@NonNull String) throws android.content.pm.PackageManager.NameNotFoundException;
+    method @NonNull public android.net.VpnService.Builder addDisallowedApplication(@NonNull String) throws android.content.pm.PackageManager.NameNotFoundException;
+    method @NonNull public android.net.VpnService.Builder addDnsServer(@NonNull java.net.InetAddress);
+    method @NonNull public android.net.VpnService.Builder addDnsServer(@NonNull String);
+    method @NonNull public android.net.VpnService.Builder addRoute(@NonNull java.net.InetAddress, int);
+    method @NonNull public android.net.VpnService.Builder addRoute(@NonNull String, int);
+    method @NonNull public android.net.VpnService.Builder addSearchDomain(@NonNull String);
+    method @NonNull public android.net.VpnService.Builder allowBypass();
+    method @NonNull public android.net.VpnService.Builder allowFamily(int);
+    method @Nullable public android.os.ParcelFileDescriptor establish();
+    method @NonNull public android.net.VpnService.Builder setBlocking(boolean);
+    method @NonNull public android.net.VpnService.Builder setConfigureIntent(@NonNull android.app.PendingIntent);
+    method @NonNull public android.net.VpnService.Builder setHttpProxy(@NonNull android.net.ProxyInfo);
+    method @NonNull public android.net.VpnService.Builder setMetered(boolean);
+    method @NonNull public android.net.VpnService.Builder setMtu(int);
+    method @NonNull public android.net.VpnService.Builder setSession(@NonNull String);
+    method @NonNull public android.net.VpnService.Builder setUnderlyingNetworks(@Nullable android.net.Network[]);
   }
 
 }
@@ -27891,7 +27891,7 @@
     method public java.util.Date getValidNotAfterDate();
     method @Deprecated public String getValidNotBefore();
     method public java.util.Date getValidNotBeforeDate();
-    method public java.security.cert.X509Certificate getX509Certificate();
+    method @Nullable public java.security.cert.X509Certificate getX509Certificate();
     method public static android.net.http.SslCertificate restoreState(android.os.Bundle);
     method public static android.os.Bundle saveState(android.net.http.SslCertificate);
   }
@@ -37321,7 +37321,7 @@
   }
 
   public static final class Telephony.CarrierId implements android.provider.BaseColumns {
-    method public static android.net.Uri getPreciseCarrierIdUriForSubscriptionId(int);
+    method @NonNull public static android.net.Uri getPreciseCarrierIdUriForSubscriptionId(int);
     method public static android.net.Uri getUriForSubscriptionId(int);
     field public static final String CARRIER_ID = "carrier_id";
     field public static final String CARRIER_NAME = "carrier_name";
@@ -41737,7 +41737,7 @@
 
   public final class PhoneAccountSuggestion implements android.os.Parcelable {
     method public int describeContents();
-    method public android.telecom.PhoneAccountHandle getPhoneAccountHandle();
+    method @NonNull public android.telecom.PhoneAccountHandle getPhoneAccountHandle();
     method public int getReason();
     method public boolean shouldAutoSelect();
     method public void writeToParcel(android.os.Parcel, int);
@@ -42383,6 +42383,7 @@
     field public static final int CONNECTION_UNKNOWN = 2147483647; // 0x7fffffff
     field public static final android.os.Parcelable.Creator<android.telephony.CellInfo> CREATOR;
     field public static final int UNAVAILABLE = 2147483647; // 0x7fffffff
+    field public static final long UNAVAILABLE_LONG = 9223372036854775807L; // 0x7fffffffffffffffL
   }
 
   public final class CellInfoCdma extends android.telephony.CellInfo implements android.os.Parcelable {
@@ -43363,6 +43364,7 @@
     field public static final int TYPE_HIPRI = 16; // 0x10
     field public static final int TYPE_IA = 256; // 0x100
     field public static final int TYPE_IMS = 64; // 0x40
+    field public static final int TYPE_MCX = 1024; // 0x400
     field public static final int TYPE_MMS = 2; // 0x2
     field public static final int TYPE_SUPL = 4; // 0x4
   }
@@ -43452,7 +43454,7 @@
   }
 
   public class EuiccManager {
-    method public android.telephony.euicc.EuiccManager createForCardId(int);
+    method @NonNull public android.telephony.euicc.EuiccManager createForCardId(int);
     method @RequiresPermission("android.permission.WRITE_EMBEDDED_SUBSCRIPTIONS") public void deleteSubscription(int, android.app.PendingIntent);
     method @RequiresPermission("android.permission.WRITE_EMBEDDED_SUBSCRIPTIONS") public void downloadSubscription(android.telephony.euicc.DownloadableSubscription, boolean, android.app.PendingIntent);
     method @Nullable public String getEid();
diff --git a/api/system-current.txt b/api/system-current.txt
index 67ff89f..fd6a37c 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -3133,8 +3133,8 @@
 
   public class LinkAddress implements android.os.Parcelable {
     ctor public LinkAddress(java.net.InetAddress, int, int, int);
-    ctor public LinkAddress(java.net.InetAddress, int);
-    ctor public LinkAddress(String);
+    ctor public LinkAddress(@NonNull java.net.InetAddress, int);
+    ctor public LinkAddress(@NonNull String);
     ctor public LinkAddress(String, int, int);
     method public boolean isGlobalPreferred();
     method public boolean isIPv4();
@@ -4863,8 +4863,8 @@
 
   public abstract class ApnService extends android.app.Service {
     ctor public ApnService();
-    method public android.os.IBinder onBind(android.content.Intent);
-    method @WorkerThread public abstract java.util.List<android.content.ContentValues> onRestoreApns(int);
+    method @NonNull public android.os.IBinder onBind(@Nullable android.content.Intent);
+    method @WorkerThread @NonNull public abstract java.util.List<android.content.ContentValues> onRestoreApns(int);
   }
 
 }
@@ -4947,12 +4947,15 @@
     method public abstract void onStartOtaIfNecessary(int, android.service.euicc.EuiccService.OtaStatusChangedCallback);
     method public abstract int onSwitchToSubscription(int, @Nullable String, boolean);
     method public abstract int onUpdateSubscriptionNickname(int, String, String);
+    field public static final String ACTION_DELETE_SUBSCRIPTION_PRIVILEGED = "android.service.euicc.action.DELETE_SUBSCRIPTION_PRIVILEGED";
     field public static final String ACTION_MANAGE_EMBEDDED_SUBSCRIPTIONS = "android.service.euicc.action.MANAGE_EMBEDDED_SUBSCRIPTIONS";
     field public static final String ACTION_PROVISION_EMBEDDED_SUBSCRIPTION = "android.service.euicc.action.PROVISION_EMBEDDED_SUBSCRIPTION";
+    field public static final String ACTION_RENAME_SUBSCRIPTION_PRIVILEGED = "android.service.euicc.action.RENAME_SUBSCRIPTION_PRIVILEGED";
     field @Deprecated public static final String ACTION_RESOLVE_CONFIRMATION_CODE = "android.service.euicc.action.RESOLVE_CONFIRMATION_CODE";
     field public static final String ACTION_RESOLVE_DEACTIVATE_SIM = "android.service.euicc.action.RESOLVE_DEACTIVATE_SIM";
     field public static final String ACTION_RESOLVE_NO_PRIVILEGES = "android.service.euicc.action.RESOLVE_NO_PRIVILEGES";
     field public static final String ACTION_RESOLVE_RESOLVABLE_ERRORS = "android.service.euicc.action.RESOLVE_RESOLVABLE_ERRORS";
+    field public static final String ACTION_TOGGLE_SUBSCRIPTION_PRIVILEGED = "android.service.euicc.action.TOGGLE_SUBSCRIPTION_PRIVILEGED";
     field public static final String CATEGORY_EUICC_UI = "android.service.euicc.category.EUICC_UI";
     field public static final String EUICC_SERVICE_INTERFACE = "android.service.euicc.EuiccService";
     field public static final String EXTRA_RESOLUTION_ALLOW_POLICY_RULES = "android.service.euicc.extra.RESOLUTION_ALLOW_POLICY_RULES";
@@ -5410,7 +5413,7 @@
   }
 
   public final class PhoneAccountSuggestion implements android.os.Parcelable {
-    ctor public PhoneAccountSuggestion(android.telecom.PhoneAccountHandle, int, boolean);
+    ctor public PhoneAccountSuggestion(@NonNull android.telecom.PhoneAccountHandle, int, boolean);
   }
 
   public class PhoneAccountSuggestionService extends android.app.Service {
@@ -5509,12 +5512,12 @@
     field public static final int WWAN = 1; // 0x1
   }
 
-  public class CallAttributes implements android.os.Parcelable {
-    ctor public CallAttributes(android.telephony.PreciseCallState, int, android.telephony.CallQuality);
+  public final class CallAttributes implements android.os.Parcelable {
+    ctor public CallAttributes(@NonNull android.telephony.PreciseCallState, int, @NonNull android.telephony.CallQuality);
     method public int describeContents();
-    method public android.telephony.CallQuality getCallQuality();
+    method @NonNull public android.telephony.CallQuality getCallQuality();
     method public int getNetworkType();
-    method public android.telephony.PreciseCallState getPreciseCallState();
+    method @NonNull public android.telephony.PreciseCallState getPreciseCallState();
     method public void writeToParcel(android.os.Parcel, int);
     field public static final android.os.Parcelable.Creator<android.telephony.CallAttributes> CREATOR;
   }
@@ -5551,13 +5554,13 @@
   }
 
   public final class CarrierRestrictionRules implements android.os.Parcelable {
+    method @NonNull public java.util.List<java.lang.Boolean> areCarrierIdentifiersAllowed(@NonNull java.util.List<android.service.carrier.CarrierIdentifier>);
     method public int describeContents();
     method @NonNull public java.util.List<android.service.carrier.CarrierIdentifier> getAllowedCarriers();
     method public int getDefaultCarrierRestriction();
     method @NonNull public java.util.List<android.service.carrier.CarrierIdentifier> getExcludedCarriers();
     method public int getMultiSimPolicy();
     method public boolean isAllCarriersAllowed();
-    method public java.util.List<java.lang.Boolean> isCarrierIdentifiersAllowed(@NonNull java.util.List<android.service.carrier.CarrierIdentifier>);
     method public void writeToParcel(android.os.Parcel, int);
     field public static final int CARRIER_RESTRICTION_DEFAULT_ALLOWED = 1; // 0x1
     field public static final int CARRIER_RESTRICTION_DEFAULT_NOT_ALLOWED = 0; // 0x0
@@ -5566,13 +5569,13 @@
     field public static final int MULTISIM_POLICY_ONE_VALID_SIM_MUST_BE_PRESENT = 1; // 0x1
   }
 
-  public static class CarrierRestrictionRules.Builder {
-    method public android.telephony.CarrierRestrictionRules build();
-    method public android.telephony.CarrierRestrictionRules.Builder setAllCarriersAllowed();
-    method public android.telephony.CarrierRestrictionRules.Builder setAllowedCarriers(java.util.List<android.service.carrier.CarrierIdentifier>);
-    method public android.telephony.CarrierRestrictionRules.Builder setDefaultCarrierRestriction(int);
-    method public android.telephony.CarrierRestrictionRules.Builder setExcludedCarriers(java.util.List<android.service.carrier.CarrierIdentifier>);
-    method public android.telephony.CarrierRestrictionRules.Builder setMultiSimPolicy(int);
+  public static final class CarrierRestrictionRules.Builder {
+    method @NonNull public android.telephony.CarrierRestrictionRules build();
+    method @NonNull public android.telephony.CarrierRestrictionRules.Builder setAllCarriersAllowed();
+    method @NonNull public android.telephony.CarrierRestrictionRules.Builder setAllowedCarriers(@NonNull java.util.List<android.service.carrier.CarrierIdentifier>);
+    method @NonNull public android.telephony.CarrierRestrictionRules.Builder setDefaultCarrierRestriction(int);
+    method @NonNull public android.telephony.CarrierRestrictionRules.Builder setExcludedCarriers(@NonNull java.util.List<android.service.carrier.CarrierIdentifier>);
+    method @NonNull public android.telephony.CarrierRestrictionRules.Builder setMultiSimPolicy(int);
   }
 
   public final class DataFailCause {
@@ -6067,7 +6070,7 @@
   public abstract class NetworkService.NetworkServiceProvider implements java.lang.AutoCloseable {
     ctor public NetworkService.NetworkServiceProvider(int);
     method public abstract void close();
-    method public void getNetworkRegistrationState(int, android.telephony.NetworkServiceCallback);
+    method public void getNetworkRegistrationState(int, @NonNull android.telephony.NetworkServiceCallback);
     method public final int getSlotId();
     method public final void notifyNetworkRegistrationStateChanged();
   }
@@ -6097,7 +6100,7 @@
   public final class PhoneNumberRange implements android.os.Parcelable {
     ctor public PhoneNumberRange(@NonNull String, @NonNull String, @NonNull String, @NonNull String);
     method public int describeContents();
-    method public boolean matches(String);
+    method public boolean matches(@NonNull String);
     method public void writeToParcel(android.os.Parcel, int);
     field public static final android.os.Parcelable.Creator<android.telephony.PhoneNumberRange> CREATOR;
   }
@@ -6107,7 +6110,7 @@
     method @RequiresPermission("android.permission.READ_PRECISE_PHONE_STATE") public void onCallDisconnectCauseChanged(int, int);
     method @RequiresPermission("android.permission.READ_PRECISE_PHONE_STATE") public void onImsCallDisconnectCauseChanged(@NonNull android.telephony.ims.ImsReasonInfo);
     method @RequiresPermission("android.permission.READ_PRECISE_PHONE_STATE") public void onPreciseCallStateChanged(@NonNull android.telephony.PreciseCallState);
-    method @RequiresPermission("android.permission.READ_PRECISE_PHONE_STATE") public void onPreciseDataConnectionStateChanged(android.telephony.PreciseDataConnectionState);
+    method @RequiresPermission("android.permission.READ_PRECISE_PHONE_STATE") public void onPreciseDataConnectionStateChanged(@NonNull android.telephony.PreciseDataConnectionState);
     method public void onRadioPowerStateChanged(int);
     method public void onSrvccStateChanged(int);
     method public void onVoiceActivationStateChanged(int);
@@ -6142,7 +6145,7 @@
 
   public final class PreciseDataConnectionState implements android.os.Parcelable {
     method public int describeContents();
-    method public String getDataConnectionApn();
+    method @Nullable public String getDataConnectionApn();
     method public int getDataConnectionApnTypeBitMask();
     method public int getDataConnectionFailCause();
     method public int getDataConnectionState();
@@ -6248,12 +6251,12 @@
   }
 
   public class ServiceState implements android.os.Parcelable {
-    method public android.telephony.NetworkRegistrationState getNetworkRegistrationState(int, int);
-    method public java.util.List<android.telephony.NetworkRegistrationState> getNetworkRegistrationStates();
-    method @Deprecated public java.util.List<android.telephony.NetworkRegistrationState> getNetworkRegistrationStates(int);
-    method @Deprecated public android.telephony.NetworkRegistrationState getNetworkRegistrationStates(int, int);
-    method public java.util.List<android.telephony.NetworkRegistrationState> getNetworkRegistrationStatesForDomain(int);
-    method public java.util.List<android.telephony.NetworkRegistrationState> getNetworkRegistrationStatesForTransportType(int);
+    method @Nullable public android.telephony.NetworkRegistrationState getNetworkRegistrationState(int, int);
+    method @NonNull public java.util.List<android.telephony.NetworkRegistrationState> getNetworkRegistrationStates();
+    method @Deprecated @NonNull public java.util.List<android.telephony.NetworkRegistrationState> getNetworkRegistrationStates(int);
+    method @Deprecated @Nullable public android.telephony.NetworkRegistrationState getNetworkRegistrationStates(int, int);
+    method @NonNull public java.util.List<android.telephony.NetworkRegistrationState> getNetworkRegistrationStatesForDomain(int);
+    method @NonNull public java.util.List<android.telephony.NetworkRegistrationState> getNetworkRegistrationStatesForTransportType(int);
     field public static final int ROAMING_TYPE_DOMESTIC = 2; // 0x2
     field public static final int ROAMING_TYPE_INTERNATIONAL = 3; // 0x3
     field public static final int ROAMING_TYPE_NOT_ROAMING = 0; // 0x0
@@ -6296,17 +6299,17 @@
     method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public void setDefaultDataSubId(int);
     method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public void setDefaultSmsSubId(int);
     method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public boolean setSubscriptionEnabled(int, boolean);
-    field public static final android.net.Uri ADVANCED_CALLING_ENABLED_CONTENT_URI;
+    field @NonNull public static final android.net.Uri ADVANCED_CALLING_ENABLED_CONTENT_URI;
     field public static final int PROFILE_CLASS_DEFAULT = -1; // 0xffffffff
     field public static final int PROFILE_CLASS_OPERATIONAL = 2; // 0x2
     field public static final int PROFILE_CLASS_PROVISIONING = 1; // 0x1
     field public static final int PROFILE_CLASS_TESTING = 0; // 0x0
     field public static final int PROFILE_CLASS_UNSET = -1; // 0xffffffff
-    field public static final android.net.Uri VT_ENABLED_CONTENT_URI;
-    field public static final android.net.Uri WFC_ENABLED_CONTENT_URI;
-    field public static final android.net.Uri WFC_MODE_CONTENT_URI;
-    field public static final android.net.Uri WFC_ROAMING_ENABLED_CONTENT_URI;
-    field public static final android.net.Uri WFC_ROAMING_MODE_CONTENT_URI;
+    field @NonNull public static final android.net.Uri VT_ENABLED_CONTENT_URI;
+    field @NonNull public static final android.net.Uri WFC_ENABLED_CONTENT_URI;
+    field @NonNull public static final android.net.Uri WFC_MODE_CONTENT_URI;
+    field @NonNull public static final android.net.Uri WFC_ROAMING_ENABLED_CONTENT_URI;
+    field @NonNull public static final android.net.Uri WFC_ROAMING_MODE_CONTENT_URI;
   }
 
   public static class SubscriptionPlan.Builder {
@@ -6344,7 +6347,7 @@
     method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public boolean enableDataConnectivity();
     method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public boolean enableModemForSlot(int, boolean);
     method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public void enableVideoCalling(boolean);
-    method @RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE) public String getAidForAppType(int);
+    method @Nullable @RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE) public String getAidForAppType(int);
     method @Deprecated @RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE) public java.util.List<android.service.carrier.CarrierIdentifier> getAllowedCarriers(int);
     method public java.util.List<java.lang.String> getCarrierPackageNamesForIntent(android.content.Intent);
     method public java.util.List<java.lang.String> getCarrierPackageNamesForIntentAndPhone(android.content.Intent, int);
@@ -6360,9 +6363,10 @@
     method @Deprecated public boolean getDataEnabled();
     method @Deprecated public boolean getDataEnabled(int);
     method @RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE) public boolean getEmergencyCallbackMode();
-    method @RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE) public String getIsimDomain();
+    method @Nullable @RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE) public String getIsimDomain();
     method @RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE) public String getIsimIst();
     method @NonNull @RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE) public java.util.List<android.util.Pair<java.lang.Integer,java.lang.Integer>> getLogicalToPhysicalSlotMapping();
+    method public static long getMaxNumberVerificationTimeoutMillis();
     method @RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE) public long getPreferredNetworkTypeBitmap();
     method @RequiresPermission(anyOf={android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE, android.Manifest.permission.READ_PHONE_STATE}) public int getRadioPowerState();
     method public int getSimApplicationState();
@@ -6423,7 +6427,6 @@
     field public static final String EXTRA_SIM_STATE = "android.telephony.extra.SIM_STATE";
     field public static final String EXTRA_VISUAL_VOICEMAIL_ENABLED_BY_USER_BOOL = "android.telephony.extra.VISUAL_VOICEMAIL_ENABLED_BY_USER_BOOL";
     field public static final String EXTRA_VOICEMAIL_SCRAMBLED_PIN_STRING = "android.telephony.extra.VOICEMAIL_SCRAMBLED_PIN_STRING";
-    field public static final long MAX_NUMBER_VERIFICATION_TIMEOUT_MILLIS = 60000L; // 0xea60L
     field public static final long NETWORK_TYPE_BITMASK_1xRTT = 64L; // 0x40L
     field public static final long NETWORK_TYPE_BITMASK_CDMA = 8L; // 0x8L
     field public static final long NETWORK_TYPE_BITMASK_EDGE = 2L; // 0x2L
@@ -6560,9 +6563,9 @@
     method public void getDataCallList(@NonNull android.telephony.data.DataServiceCallback);
     method public final int getSlotId();
     method public final void notifyDataCallListChanged(java.util.List<android.telephony.data.DataCallResponse>);
-    method public void setDataProfile(java.util.List<android.telephony.data.DataProfile>, boolean, @Nullable android.telephony.data.DataServiceCallback);
-    method public void setInitialAttachApn(android.telephony.data.DataProfile, boolean, @Nullable android.telephony.data.DataServiceCallback);
-    method public void setupDataCall(int, android.telephony.data.DataProfile, boolean, boolean, int, @Nullable android.net.LinkProperties, @Nullable android.telephony.data.DataServiceCallback);
+    method public void setDataProfile(@NonNull java.util.List<android.telephony.data.DataProfile>, boolean, @Nullable android.telephony.data.DataServiceCallback);
+    method public void setInitialAttachApn(@NonNull android.telephony.data.DataProfile, boolean, @Nullable android.telephony.data.DataServiceCallback);
+    method public void setupDataCall(int, @NonNull android.telephony.data.DataProfile, boolean, boolean, int, @Nullable android.net.LinkProperties, @Nullable android.telephony.data.DataServiceCallback);
   }
 
   public class DataServiceCallback {
@@ -6581,7 +6584,7 @@
 
   public abstract class QualifiedNetworksService extends android.app.Service {
     ctor public QualifiedNetworksService();
-    method public abstract android.telephony.data.QualifiedNetworksService.NetworkAvailabilityUpdater createNetworkAvailabilityUpdater(int);
+    method @NonNull public abstract android.telephony.data.QualifiedNetworksService.NetworkAvailabilityUpdater createNetworkAvailabilityUpdater(int);
     field public static final String QUALIFIED_NETWORKS_SERVICE_INTERFACE = "android.telephony.data.QualifiedNetworksService";
   }
 
@@ -6589,7 +6592,7 @@
     ctor public QualifiedNetworksService.NetworkAvailabilityUpdater(int);
     method public abstract void close();
     method public final int getSlotIndex();
-    method public final void updateQualifiedNetworkTypes(int, int[]);
+    method public final void updateQualifiedNetworkTypes(int, @Nullable int[]);
   }
 
 }
@@ -6663,14 +6666,20 @@
     method @RequiresPermission(android.Manifest.permission.WRITE_EMBEDDED_SUBSCRIPTIONS) public void getDefaultDownloadableSubscriptionList(android.app.PendingIntent);
     method @RequiresPermission(android.Manifest.permission.WRITE_EMBEDDED_SUBSCRIPTIONS) public void getDownloadableSubscriptionMetadata(android.telephony.euicc.DownloadableSubscription, android.app.PendingIntent);
     method @RequiresPermission(android.Manifest.permission.WRITE_EMBEDDED_SUBSCRIPTIONS) public int getOtaStatus();
+    field public static final String ACTION_DELETE_SUBSCRIPTION_PRIVILEGED = "android.telephony.euicc.action.DELETE_SUBSCRIPTION_PRIVILEGED";
     field @RequiresPermission(android.Manifest.permission.WRITE_EMBEDDED_SUBSCRIPTIONS) public static final String ACTION_OTA_STATUS_CHANGED = "android.telephony.euicc.action.OTA_STATUS_CHANGED";
     field public static final String ACTION_PROVISION_EMBEDDED_SUBSCRIPTION = "android.telephony.euicc.action.PROVISION_EMBEDDED_SUBSCRIPTION";
+    field public static final String ACTION_RENAME_SUBSCRIPTION_PRIVILEGED = "android.telephony.euicc.action.RENAME_SUBSCRIPTION_PRIVILEGED";
+    field public static final String ACTION_TOGGLE_SUBSCRIPTION_PRIVILEGED = "android.telephony.euicc.action.TOGGLE_SUBSCRIPTION_PRIVILEGED";
     field public static final int EUICC_OTA_FAILED = 2; // 0x2
     field public static final int EUICC_OTA_IN_PROGRESS = 1; // 0x1
     field public static final int EUICC_OTA_NOT_NEEDED = 4; // 0x4
     field public static final int EUICC_OTA_STATUS_UNAVAILABLE = 5; // 0x5
     field public static final int EUICC_OTA_SUCCEEDED = 3; // 0x3
     field public static final String EXTRA_EMBEDDED_SUBSCRIPTION_DOWNLOADABLE_SUBSCRIPTIONS = "android.telephony.euicc.extra.EMBEDDED_SUBSCRIPTION_DOWNLOADABLE_SUBSCRIPTIONS";
+    field public static final String EXTRA_ENABLE_SUBSCRIPTION = "android.telephony.euicc.extra.ENABLE_SUBSCRIPTION";
+    field public static final String EXTRA_SUBSCRIPTION_ID = "android.telephony.euicc.extra.SUBSCRIPTION_ID";
+    field public static final String EXTRA_SUBSCRIPTION_NICKNAME = "android.telephony.euicc.extra.SUBSCRIPTION_NICKNAME";
   }
 
   @IntDef(prefix={"EUICC_OTA_"}, value={android.telephony.euicc.EuiccManager.EUICC_OTA_IN_PROGRESS, android.telephony.euicc.EuiccManager.EUICC_OTA_FAILED, android.telephony.euicc.EuiccManager.EUICC_OTA_SUCCEEDED, android.telephony.euicc.EuiccManager.EUICC_OTA_NOT_NEEDED, android.telephony.euicc.EuiccManager.EUICC_OTA_STATUS_UNAVAILABLE}) @java.lang.annotation.Retention(java.lang.annotation.RetentionPolicy.SOURCE) public static @interface EuiccManager.OtaStatus {
@@ -6825,7 +6834,7 @@
   }
 
   public class ImsCallSessionListener {
-    method public void callQualityChanged(android.telephony.CallQuality);
+    method public void callQualityChanged(@NonNull android.telephony.CallQuality);
     method public void callSessionConferenceExtendFailed(android.telephony.ims.ImsReasonInfo);
     method public void callSessionConferenceExtendReceived(android.telephony.ims.stub.ImsCallSessionImplBase, android.telephony.ims.ImsCallProfile);
     method public void callSessionConferenceExtended(android.telephony.ims.stub.ImsCallSessionImplBase, android.telephony.ims.ImsCallProfile);
@@ -6850,7 +6859,7 @@
     method public void callSessionResumeFailed(android.telephony.ims.ImsReasonInfo);
     method public void callSessionResumeReceived(android.telephony.ims.ImsCallProfile);
     method public void callSessionResumed(android.telephony.ims.ImsCallProfile);
-    method public void callSessionRttAudioIndicatorChanged(android.telephony.ims.ImsStreamMediaProfile);
+    method public void callSessionRttAudioIndicatorChanged(@NonNull android.telephony.ims.ImsStreamMediaProfile);
     method public void callSessionRttMessageReceived(String);
     method public void callSessionRttModifyRequestReceived(android.telephony.ims.ImsCallProfile);
     method public void callSessionRttModifyResponseReceived(int);
@@ -6926,14 +6935,14 @@
     method @RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE) public boolean isVtSettingEnabled();
     method @RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE) public void registerImsRegistrationCallback(java.util.concurrent.Executor, @NonNull android.telephony.ims.ImsMmTelManager.RegistrationCallback) throws android.telephony.ims.ImsException;
     method @RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE) public void registerMmTelCapabilityCallback(@NonNull java.util.concurrent.Executor, @NonNull android.telephony.ims.ImsMmTelManager.CapabilityCallback) throws android.telephony.ims.ImsException;
-    method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public void setAdvancedCallingSetting(boolean);
+    method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public void setAdvancedCallingSettingEnabled(boolean);
     method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public void setRttCapabilitySetting(boolean);
     method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public void setVoWiFiModeSetting(int);
     method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public void setVoWiFiNonPersistent(boolean, int);
     method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public void setVoWiFiRoamingModeSetting(int);
-    method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public void setVoWiFiRoamingSetting(boolean);
-    method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public void setVoWiFiSetting(boolean);
-    method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public void setVtSetting(boolean);
+    method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public void setVoWiFiRoamingSettingEnabled(boolean);
+    method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public void setVoWiFiSettingEnabled(boolean);
+    method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public void setVtSettingEnabled(boolean);
     method @RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE) public void unregisterImsRegistrationCallback(@NonNull android.telephony.ims.ImsMmTelManager.RegistrationCallback);
     method @RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE) public void unregisterMmTelCapabilityCallback(@NonNull android.telephony.ims.ImsMmTelManager.CapabilityCallback);
     field public static final int WIFI_MODE_CELLULAR_PREFERRED = 1; // 0x1
@@ -6948,10 +6957,10 @@
 
   public static class ImsMmTelManager.RegistrationCallback {
     ctor public ImsMmTelManager.RegistrationCallback();
-    method public void onDeregistered(android.telephony.ims.ImsReasonInfo);
     method public void onRegistered(int);
     method public void onRegistering(int);
     method public void onTechnologyChangeFailed(int, android.telephony.ims.ImsReasonInfo);
+    method public void onUnregistered(android.telephony.ims.ImsReasonInfo);
   }
 
   public final class ImsReasonInfo implements android.os.Parcelable {
@@ -7154,12 +7163,12 @@
   public final class ImsSsData implements android.os.Parcelable {
     ctor public ImsSsData(int, int, int, int, int);
     method public int describeContents();
-    method public android.telephony.ims.ImsCallForwardInfo[] getCallForwardInfo();
+    method @Nullable public java.util.List<android.telephony.ims.ImsCallForwardInfo> getCallForwardInfo();
     method public int getRequestType();
     method public int getResult();
     method public int getServiceClass();
     method public int getServiceType();
-    method @NonNull public android.telephony.ims.ImsSsInfo[] getSuppServiceInfo();
+    method @NonNull public java.util.List<android.telephony.ims.ImsSsInfo> getSuppServiceInfo();
     method public int getTeleserviceType();
     method public boolean isTypeBarring();
     method public boolean isTypeCf();
@@ -7219,11 +7228,11 @@
     field public static final int SS_WAIT = 12; // 0xc
   }
 
-  public static class ImsSsData.Builder {
+  public static final class ImsSsData.Builder {
     ctor public ImsSsData.Builder(int, int, int, int, int);
     method @NonNull public android.telephony.ims.ImsSsData build();
-    method @NonNull public android.telephony.ims.ImsSsData.Builder setCallForwardingInfo(@NonNull android.telephony.ims.ImsCallForwardInfo[]);
-    method @NonNull public android.telephony.ims.ImsSsData.Builder setSuppServiceInfo(@NonNull android.telephony.ims.ImsSsInfo[]);
+    method @NonNull public android.telephony.ims.ImsSsData.Builder setCallForwardingInfo(@NonNull java.util.List<android.telephony.ims.ImsCallForwardInfo>);
+    method @NonNull public android.telephony.ims.ImsSsData.Builder setSuppServiceInfo(@NonNull java.util.List<android.telephony.ims.ImsSsInfo>);
   }
 
   public final class ImsSsInfo implements android.os.Parcelable {
@@ -7232,7 +7241,7 @@
     method public int getClirInterrogationStatus();
     method public int getClirOutgoingState();
     method @Deprecated public String getIcbNum();
-    method public String getIncomingCommunicationBarringNumber();
+    method @Nullable public String getIncomingCommunicationBarringNumber();
     method public int getProvisionStatus();
     method public int getStatus();
     method public void writeToParcel(android.os.Parcel, int);
@@ -7253,7 +7262,7 @@
     field public static final int SERVICE_PROVISIONING_UNKNOWN = -1; // 0xffffffff
   }
 
-  public static class ImsSsInfo.Builder {
+  public static final class ImsSsInfo.Builder {
     ctor public ImsSsInfo.Builder(int);
     method @NonNull public android.telephony.ims.ImsSsInfo build();
     method @NonNull public android.telephony.ims.ImsSsInfo.Builder setClirInterrogationStatus(int);
@@ -7701,12 +7710,12 @@
   public class MbmsGroupCallServiceBase extends android.app.Service {
     ctor public MbmsGroupCallServiceBase();
     method public void dispose(int) throws android.os.RemoteException;
-    method public int initialize(android.telephony.mbms.MbmsGroupCallSessionCallback, int) throws android.os.RemoteException;
+    method public int initialize(@NonNull android.telephony.mbms.MbmsGroupCallSessionCallback, int) throws android.os.RemoteException;
     method public void onAppCallbackDied(int, int);
     method public android.os.IBinder onBind(android.content.Intent);
-    method public int startGroupCall(int, long, java.util.List<java.lang.Integer>, java.util.List<java.lang.Integer>, android.telephony.mbms.GroupCallCallback);
+    method public int startGroupCall(int, long, @NonNull java.util.List<java.lang.Integer>, @NonNull java.util.List<java.lang.Integer>, @NonNull android.telephony.mbms.GroupCallCallback);
     method public void stopGroupCall(int, long);
-    method public void updateGroupCall(int, long, java.util.List<java.lang.Integer>, java.util.List<java.lang.Integer>);
+    method public void updateGroupCall(int, long, @NonNull java.util.List<java.lang.Integer>, @NonNull java.util.List<java.lang.Integer>);
   }
 
   public class MbmsStreamingServiceBase extends android.os.Binder {
diff --git a/api/test-current.txt b/api/test-current.txt
index 400046b..271f7cb 100644
--- a/api/test-current.txt
+++ b/api/test-current.txt
@@ -626,8 +626,8 @@
 
   public class LinkAddress implements android.os.Parcelable {
     ctor public LinkAddress(java.net.InetAddress, int, int, int);
-    ctor public LinkAddress(java.net.InetAddress, int);
-    ctor public LinkAddress(String);
+    ctor public LinkAddress(@NonNull java.net.InetAddress, int);
+    ctor public LinkAddress(@NonNull String);
     ctor public LinkAddress(String, int, int);
     method public boolean isGlobalPreferred();
     method public boolean isIPv4();
@@ -1439,8 +1439,12 @@
     ctor public CallAudioState(boolean, int, int, @Nullable android.bluetooth.BluetoothDevice, @NonNull java.util.Collection<android.bluetooth.BluetoothDevice>);
   }
 
+  public abstract class Conference extends android.telecom.Conferenceable {
+    method public android.telecom.Connection getPrimaryConnection();
+  }
+
   public final class PhoneAccountSuggestion implements android.os.Parcelable {
-    ctor public PhoneAccountSuggestion(android.telecom.PhoneAccountHandle, int, boolean);
+    ctor public PhoneAccountSuggestion(@NonNull android.telecom.PhoneAccountHandle, int, boolean);
   }
 
   public class PhoneAccountSuggestionService extends android.app.Service {
@@ -1451,6 +1455,16 @@
     field public static final String SERVICE_INTERFACE = "android.telecom.PhoneAccountSuggestionService";
   }
 
+  public class TelecomManager {
+    method @RequiresPermission("android.permission.READ_PRIVILEGED_PHONE_STATE") public int getCurrentTtyMode();
+    method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public boolean isInEmergencyCall();
+    method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public void setUserSelectedOutgoingPhoneAccount(android.telecom.PhoneAccountHandle);
+    field public static final int TTY_MODE_FULL = 1; // 0x1
+    field public static final int TTY_MODE_HCO = 2; // 0x2
+    field public static final int TTY_MODE_OFF = 0; // 0x0
+    field public static final int TTY_MODE_VCO = 3; // 0x3
+  }
+
 }
 
 package android.telephony {
@@ -1544,12 +1558,12 @@
   public class MbmsGroupCallServiceBase extends android.app.Service {
     ctor public MbmsGroupCallServiceBase();
     method public void dispose(int) throws android.os.RemoteException;
-    method public int initialize(android.telephony.mbms.MbmsGroupCallSessionCallback, int) throws android.os.RemoteException;
+    method public int initialize(@NonNull android.telephony.mbms.MbmsGroupCallSessionCallback, int) throws android.os.RemoteException;
     method public void onAppCallbackDied(int, int);
     method public android.os.IBinder onBind(android.content.Intent);
-    method public int startGroupCall(int, long, java.util.List<java.lang.Integer>, java.util.List<java.lang.Integer>, android.telephony.mbms.GroupCallCallback);
+    method public int startGroupCall(int, long, @NonNull java.util.List<java.lang.Integer>, @NonNull java.util.List<java.lang.Integer>, @NonNull android.telephony.mbms.GroupCallCallback);
     method public void stopGroupCall(int, long);
-    method public void updateGroupCall(int, long, java.util.List<java.lang.Integer>, java.util.List<java.lang.Integer>);
+    method public void updateGroupCall(int, long, @NonNull java.util.List<java.lang.Integer>, @NonNull java.util.List<java.lang.Integer>);
   }
 
   public class MbmsStreamingServiceBase extends android.os.Binder {
diff --git a/cmds/hid/hid b/cmds/hid/hid
index 2359fcd..3931da1 100755
--- a/cmds/hid/hid
+++ b/cmds/hid/hid
@@ -5,4 +5,10 @@
 #
 base=/system
 export CLASSPATH=$base/framework/hid.jar
+
+# Preload the native portion libhidcommand_jni.so to bypass the dependency
+# checks in the Java classloader, which prohibit dependencies that aren't
+# listed in system/core/rootdir/etc/public.libraries.android.txt.
+export LD_PRELOAD=libhidcommand_jni.so
+
 exec app_process $base/bin com.android.commands.hid.Hid "$@"
diff --git a/cmds/statsd/OWNERS b/cmds/statsd/OWNERS
index deebd4e..1315750 100644
--- a/cmds/statsd/OWNERS
+++ b/cmds/statsd/OWNERS
@@ -1,7 +1,6 @@
 bookatz@google.com
 cjyu@google.com
 dwchen@google.com
-gaillard@google.com
 jinyithu@google.com
 joeo@google.com
 kwekua@google.com
diff --git a/config/hiddenapi-greylist.txt b/config/hiddenapi-greylist.txt
index 4a43616..e9bd735 100644
--- a/config/hiddenapi-greylist.txt
+++ b/config/hiddenapi-greylist.txt
@@ -1556,9 +1556,6 @@
 Landroid/telephony/SmsCbMessage;->isCmasMessage()Z
 Landroid/telephony/SmsCbMessage;->isEmergencyMessage()Z
 Landroid/telephony/TelephonyManager$MultiSimVariants;->values()[Landroid/telephony/TelephonyManager$MultiSimVariants;
-Landroid/test/AndroidTestCase;->getTestContext()Landroid/content/Context;
-Landroid/test/AndroidTestCase;->setTestContext(Landroid/content/Context;)V
-Landroid/test/InstrumentationTestCase;->runMethod(Ljava/lang/reflect/Method;I)V
 Landroid/util/Singleton;-><init>()V
 Landroid/util/XmlPullAttributes;-><init>(Lorg/xmlpull/v1/XmlPullParser;)V
 Landroid/util/XmlPullAttributes;->mParser:Lorg/xmlpull/v1/XmlPullParser;
@@ -4596,9 +4593,6 @@
 Lgov/nist/javax/sip/address/SipUri;->setUserParam(Ljava/lang/String;)V
 Lgov/nist/javax/sip/parser/URLParser;-><init>(Ljava/lang/String;)V
 Lgov/nist/javax/sip/parser/URLParser;->sipURL(Z)Lgov/nist/javax/sip/address/SipUri;
-Ljunit/framework/TestCase;->fName:Ljava/lang/String;
-Ljunit/framework/TestSuite;->isPublicTestMethod(Ljava/lang/reflect/Method;)Z
-Ljunit/framework/TestSuite;->isTestMethod(Ljava/lang/reflect/Method;)Z
 Lorg/apache/xalan/extensions/ExpressionContext;->getContextNode()Lorg/w3c/dom/Node;
 Lorg/apache/xalan/extensions/ExpressionContext;->getErrorListener()Ljavax/xml/transform/ErrorListener;
 Lorg/apache/xalan/extensions/ExpressionContext;->getVariableOrParam(Lorg/apache/xml/utils/QName;)Lorg/apache/xpath/objects/XObject;
diff --git a/core/java/android/app/AppComponentFactory.java b/core/java/android/app/AppComponentFactory.java
index ae63291..2cec7f0 100644
--- a/core/java/android/app/AppComponentFactory.java
+++ b/core/java/android/app/AppComponentFactory.java
@@ -27,6 +27,7 @@
  *
  * @see #instantiateApplication
  * @see #instantiateActivity
+ * @see #instantiateClassLoader
  * @see #instantiateService
  * @see #instantiateReceiver
  * @see #instantiateProvider
@@ -39,8 +40,10 @@
      * a custom class loader hierarchy.
      *
      * @param cl        The default classloader instantiated by platform.
+     * @param aInfo     Information about the application being loaded.
      */
-    public @NonNull ClassLoader instantiateClassLoader(@NonNull ClassLoader cl) {
+    public @NonNull ClassLoader instantiateClassLoader(@NonNull ClassLoader cl,
+            @NonNull ApplicationInfo aInfo) {
         return cl;
     }
 
@@ -133,19 +136,6 @@
         return (ContentProvider) cl.loadClass(className).newInstance();
     }
 
-    private ApplicationInfo mApplicationInfo = null;
-
-    void setApplicationInfo(ApplicationInfo info) {
-        mApplicationInfo = info;
-    }
-
-    /**
-     * Returns the ApplicationInfo associated with this package.
-     */
-    public ApplicationInfo getApplicationInfo() {
-        return mApplicationInfo;
-    }
-
     /**
      * @hide
      */
diff --git a/core/java/android/app/LoadedApk.java b/core/java/android/app/LoadedApk.java
index ac33c16..3a76de4 100644
--- a/core/java/android/app/LoadedApk.java
+++ b/core/java/android/app/LoadedApk.java
@@ -232,7 +232,8 @@
         mResources = Resources.getSystem();
         mDefaultClassLoader = ClassLoader.getSystemClassLoader();
         mAppComponentFactory = createAppFactory(mApplicationInfo, mDefaultClassLoader);
-        mClassLoader = mAppComponentFactory.instantiateClassLoader(mDefaultClassLoader);
+        mClassLoader = mAppComponentFactory.instantiateClassLoader(mDefaultClassLoader,
+                new ApplicationInfo(mApplicationInfo));
     }
 
     /**
@@ -243,19 +244,15 @@
         mApplicationInfo = info;
         mDefaultClassLoader = classLoader;
         mAppComponentFactory = createAppFactory(info, mDefaultClassLoader);
-        mClassLoader = mAppComponentFactory.instantiateClassLoader(mDefaultClassLoader);
+        mClassLoader = mAppComponentFactory.instantiateClassLoader(mDefaultClassLoader,
+                new ApplicationInfo(mApplicationInfo));
     }
 
     private AppComponentFactory createAppFactory(ApplicationInfo appInfo, ClassLoader cl) {
         if (appInfo.appComponentFactory != null && cl != null) {
             try {
-                AppComponentFactory factory = (AppComponentFactory) cl.loadClass(
-                        appInfo.appComponentFactory).newInstance();
-                // Pass a copy of ApplicationInfo to the factory. Copying protects the framework
-                // from apps which would override the factory and change ApplicationInfo contents.
-                // ApplicationInfo is used to set up the default class loader.
-                factory.setApplicationInfo(new ApplicationInfo(appInfo));
-                return factory;
+                return (AppComponentFactory)
+                        cl.loadClass(appInfo.appComponentFactory).newInstance();
             } catch (InstantiationException | IllegalAccessException | ClassNotFoundException e) {
                 Slog.e(TAG, "Unable to instantiate appComponentFactory", e);
             }
@@ -712,8 +709,8 @@
                 mDefaultClassLoader = ClassLoader.getSystemClassLoader();
             }
             mAppComponentFactory = createAppFactory(mApplicationInfo, mDefaultClassLoader);
-            mClassLoader = mAppComponentFactory.instantiateClassLoader(mDefaultClassLoader);
-
+            mClassLoader = mAppComponentFactory.instantiateClassLoader(mDefaultClassLoader,
+                    new ApplicationInfo(mApplicationInfo));
             return;
         }
 
@@ -801,7 +798,8 @@
             }
 
             if (mClassLoader == null) {
-                mClassLoader = mAppComponentFactory.instantiateClassLoader(mDefaultClassLoader);
+                mClassLoader = mAppComponentFactory.instantiateClassLoader(mDefaultClassLoader,
+                        new ApplicationInfo(mApplicationInfo));
             }
 
             return;
@@ -915,8 +913,10 @@
         // Call AppComponentFactory to select/create the main class loader of this app.
         // Since this may call code in the app, mDefaultClassLoader must be fully set up
         // before invoking the factory.
+        // Invoke with a copy of ApplicationInfo to protect against the app changing it.
         if (mClassLoader == null) {
-            mClassLoader = mAppComponentFactory.instantiateClassLoader(mDefaultClassLoader);
+            mClassLoader = mAppComponentFactory.instantiateClassLoader(mDefaultClassLoader,
+                    new ApplicationInfo(mApplicationInfo));
         }
     }
 
diff --git a/core/java/android/net/ConnectivityManager.java b/core/java/android/net/ConnectivityManager.java
index 24a907b..63ba00b 100644
--- a/core/java/android/net/ConnectivityManager.java
+++ b/core/java/android/net/ConnectivityManager.java
@@ -4277,6 +4277,8 @@
      * @return {@code uid} if the connection is found and the app has permission to observe it
      * (e.g., if it is associated with the calling VPN app's tunnel) or
      * {@link android.os.Process#INVALID_UID} if the connection is not found.
+     * Throws {@link SecurityException} if the caller is not the active VPN for the current user.
+     * Throws {@link IllegalArgumentException} if an unsupported protocol is requested.
      */
     public int getConnectionOwnerUid(int protocol, @NonNull InetSocketAddress local,
             @NonNull InetSocketAddress remote) {
diff --git a/core/java/android/net/IConnectivityManager.aidl b/core/java/android/net/IConnectivityManager.aidl
index 83bb3a0..84036ca 100644
--- a/core/java/android/net/IConnectivityManager.aidl
+++ b/core/java/android/net/IConnectivityManager.aidl
@@ -122,8 +122,6 @@
 
     LegacyVpnInfo getLegacyVpnInfo(int userId);
 
-    VpnInfo[] getAllVpnInfo();
-
     boolean updateLockdownVpn();
     boolean isAlwaysOnVpnPackageSupported(int userId, String packageName);
     boolean setAlwaysOnVpnPackage(int userId, String packageName, boolean lockdown,
diff --git a/core/java/android/net/INetworkStatsService.aidl b/core/java/android/net/INetworkStatsService.aidl
index 8e6f272..148b25d 100644
--- a/core/java/android/net/INetworkStatsService.aidl
+++ b/core/java/android/net/INetworkStatsService.aidl
@@ -19,11 +19,13 @@
 import android.net.DataUsageRequest;
 import android.net.INetworkStatsSession;
 import android.net.Network;
+import android.net.NetworkState;
 import android.net.NetworkStats;
 import android.net.NetworkStatsHistory;
 import android.net.NetworkTemplate;
 import android.os.IBinder;
 import android.os.Messenger;
+import com.android.internal.net.VpnInfo;
 
 /** {@hide} */
 interface INetworkStatsService {
@@ -58,7 +60,11 @@
     void incrementOperationCount(int uid, int tag, int operationCount);
 
     /** Force update of ifaces. */
-    void forceUpdateIfaces(in Network[] defaultNetworks);
+    void forceUpdateIfaces(
+         in Network[] defaultNetworks,
+         in VpnInfo[] vpnArray,
+         in NetworkState[] networkStates,
+         in String activeIface);
     /** Force update of statistics. */
     void forceUpdate();
 
diff --git a/core/java/android/net/InetAddresses.java b/core/java/android/net/InetAddresses.java
index 8e6c69a..01b795e 100644
--- a/core/java/android/net/InetAddresses.java
+++ b/core/java/android/net/InetAddresses.java
@@ -16,6 +16,8 @@
 
 package android.net;
 
+import android.annotation.NonNull;
+
 import libcore.net.InetAddressUtils;
 
 import java.net.InetAddress;
@@ -40,7 +42,7 @@
      * @param address the address to parse.
      * @return true if the supplied address is numeric, false otherwise.
      */
-    public static boolean isNumericAddress(String address) {
+    public static boolean isNumericAddress(@NonNull String address) {
         return InetAddressUtils.isNumericAddress(address);
     }
 
@@ -57,7 +59,7 @@
      * @return an {@link InetAddress} instance corresponding to the address.
      * @throws IllegalArgumentException if {@code address} is not a numeric address.
      */
-    public static InetAddress parseNumericAddress(String address) {
+    public static @NonNull InetAddress parseNumericAddress(@NonNull String address) {
         return InetAddressUtils.parseNumericAddress(address);
     }
 }
diff --git a/core/java/android/net/LinkAddress.java b/core/java/android/net/LinkAddress.java
index 8d779aa..8b01960 100644
--- a/core/java/android/net/LinkAddress.java
+++ b/core/java/android/net/LinkAddress.java
@@ -25,6 +25,7 @@
 import static android.system.OsConstants.RT_SCOPE_SITE;
 import static android.system.OsConstants.RT_SCOPE_UNIVERSE;
 
+import android.annotation.NonNull;
 import android.annotation.SystemApi;
 import android.annotation.TestApi;
 import android.annotation.UnsupportedAppUsage;
@@ -177,7 +178,7 @@
      */
     @SystemApi
     @TestApi
-    public LinkAddress(InetAddress address, int prefixLength) {
+    public LinkAddress(@NonNull InetAddress address, int prefixLength) {
         this(address, prefixLength, 0, 0);
         this.scope = scopeForUnicastAddress(address);
     }
@@ -196,12 +197,12 @@
     /**
      * Constructs a new {@code LinkAddress} from a string such as "192.0.2.5/24" or
      * "2001:db8::1/64". The flags are set to zero and the scope is determined from the address.
-     * @param string The string to parse.
+     * @param address The string to parse.
      * @hide
      */
     @SystemApi
     @TestApi
-    public LinkAddress(String address) {
+    public LinkAddress(@NonNull String address) {
         this(address, 0, 0);
         this.scope = scopeForUnicastAddress(this.address);
     }
@@ -209,7 +210,7 @@
     /**
      * Constructs a new {@code LinkAddress} from a string such as "192.0.2.5/24" or
      * "2001:db8::1/64", with the specified flags and scope.
-     * @param string The string to parse.
+     * @param address The string to parse.
      * @param flags The address flags.
      * @param scope The address scope.
      * @hide
diff --git a/core/java/android/net/NetworkCapabilities.java b/core/java/android/net/NetworkCapabilities.java
index 1d2d81d..0a63e75 100644
--- a/core/java/android/net/NetworkCapabilities.java
+++ b/core/java/android/net/NetworkCapabilities.java
@@ -143,6 +143,7 @@
             NET_CAPABILITY_NOT_CONGESTED,
             NET_CAPABILITY_NOT_SUSPENDED,
             NET_CAPABILITY_OEM_PAID,
+            NET_CAPABILITY_MCX
     })
     public @interface NetCapability { }
 
@@ -297,8 +298,14 @@
     @SystemApi
     public static final int NET_CAPABILITY_OEM_PAID = 22;
 
+    /**
+     * Indicates this is a network that has the ability to reach a carrier's Mission Critical
+     * servers.
+     */
+    public static final int NET_CAPABILITY_MCX = 23;
+
     private static final int MIN_NET_CAPABILITY = NET_CAPABILITY_MMS;
-    private static final int MAX_NET_CAPABILITY = NET_CAPABILITY_OEM_PAID;
+    private static final int MAX_NET_CAPABILITY = NET_CAPABILITY_MCX;
 
     /**
      * Network capabilities that are expected to be mutable, i.e., can change while a particular
@@ -346,7 +353,8 @@
             (1 << NET_CAPABILITY_IA) |
             (1 << NET_CAPABILITY_IMS) |
             (1 << NET_CAPABILITY_RCS) |
-            (1 << NET_CAPABILITY_XCAP);
+            (1 << NET_CAPABILITY_XCAP) |
+            (1 << NET_CAPABILITY_MCX);
 
     /**
      * Capabilities that force network to be restricted.
@@ -1614,6 +1622,7 @@
             case NET_CAPABILITY_NOT_CONGESTED:  return "NOT_CONGESTED";
             case NET_CAPABILITY_NOT_SUSPENDED:  return "NOT_SUSPENDED";
             case NET_CAPABILITY_OEM_PAID:       return "OEM_PAID";
+            case NET_CAPABILITY_MCX:            return "MCX";
             default:                            return Integer.toString(capability);
         }
     }
diff --git a/core/java/android/net/Uri.java b/core/java/android/net/Uri.java
index af3ee09..28b2707 100644
--- a/core/java/android/net/Uri.java
+++ b/core/java/android/net/Uri.java
@@ -402,7 +402,7 @@
                 }
                 return builder.toString();
             } else if (scheme.equalsIgnoreCase("http") || scheme.equalsIgnoreCase("https")
-                    || scheme.equalsIgnoreCase("ftp")) {
+                    || scheme.equalsIgnoreCase("ftp") || scheme.equalsIgnoreCase("rtsp")) {
                 ssp = "//" + ((getHost() != null) ? getHost() : "")
                         + ((getPort() != -1) ? (":" + getPort()) : "")
                         + "/...";
diff --git a/core/java/android/net/VpnService.java b/core/java/android/net/VpnService.java
index ebb1ae4..870d8b1 100644
--- a/core/java/android/net/VpnService.java
+++ b/core/java/android/net/VpnService.java
@@ -20,6 +20,7 @@
 import static android.system.OsConstants.AF_INET6;
 
 import android.annotation.NonNull;
+import android.annotation.Nullable;
 import android.annotation.RequiresPermission;
 import android.annotation.SystemApi;
 import android.annotation.UnsupportedAppUsage;
@@ -479,7 +480,8 @@
          * system-managed dialogs and notifications. This is recommended
          * not required.
          */
-        public Builder setSession(String session) {
+        @NonNull
+        public Builder setSession(@NonNull String session) {
             mConfig.session = session;
             return this;
         }
@@ -489,7 +491,8 @@
          * configure the VPN connection. If it is not set, the button
          * to configure will not be shown in system-managed dialogs.
          */
-        public Builder setConfigureIntent(PendingIntent intent) {
+        @NonNull
+        public Builder setConfigureIntent(@NonNull PendingIntent intent) {
             mConfig.configureIntent = intent;
             return this;
         }
@@ -501,6 +504,7 @@
          *
          * @throws IllegalArgumentException if the value is not positive.
          */
+        @NonNull
         public Builder setMtu(int mtu) {
             if (mtu <= 0) {
                 throw new IllegalArgumentException("Bad mtu");
@@ -513,6 +517,7 @@
          * Sets an HTTP proxy for the VPN network. This proxy is only a recommendation
          * and it is possible that some apps will ignore it.
          */
+        @NonNull
         public Builder setHttpProxy(@NonNull ProxyInfo proxyInfo) {
             mConfig.proxyInfo = proxyInfo;
             return this;
@@ -528,7 +533,8 @@
          *
          * @throws IllegalArgumentException if the address is invalid.
          */
-        public Builder addAddress(InetAddress address, int prefixLength) {
+        @NonNull
+        public Builder addAddress(@NonNull InetAddress address, int prefixLength) {
             check(address, prefixLength);
 
             if (address.isAnyLocalAddress()) {
@@ -550,7 +556,8 @@
          * @throws IllegalArgumentException if the address is invalid.
          * @see #addAddress(InetAddress, int)
          */
-        public Builder addAddress(String address, int prefixLength) {
+        @NonNull
+        public Builder addAddress(@NonNull String address, int prefixLength) {
             return addAddress(InetAddress.parseNumericAddress(address), prefixLength);
         }
 
@@ -563,7 +570,8 @@
          *
          * @throws IllegalArgumentException if the route is invalid.
          */
-        public Builder addRoute(InetAddress address, int prefixLength) {
+        @NonNull
+        public Builder addRoute(@NonNull InetAddress address, int prefixLength) {
             check(address, prefixLength);
 
             int offset = prefixLength / 8;
@@ -591,7 +599,8 @@
          * @throws IllegalArgumentException if the route is invalid.
          * @see #addRoute(InetAddress, int)
          */
-        public Builder addRoute(String address, int prefixLength) {
+        @NonNull
+        public Builder addRoute(@NonNull String address, int prefixLength) {
             return addRoute(InetAddress.parseNumericAddress(address), prefixLength);
         }
 
@@ -605,7 +614,8 @@
          *
          * @throws IllegalArgumentException if the address is invalid.
          */
-        public Builder addDnsServer(InetAddress address) {
+        @NonNull
+        public Builder addDnsServer(@NonNull InetAddress address) {
             if (address.isLoopbackAddress() || address.isAnyLocalAddress()) {
                 throw new IllegalArgumentException("Bad address");
             }
@@ -627,14 +637,16 @@
          * @throws IllegalArgumentException if the address is invalid.
          * @see #addDnsServer(InetAddress)
          */
-        public Builder addDnsServer(String address) {
+        @NonNull
+        public Builder addDnsServer(@NonNull String address) {
             return addDnsServer(InetAddress.parseNumericAddress(address));
         }
 
         /**
          * Add a search domain to the DNS resolver.
          */
-        public Builder addSearchDomain(String domain) {
+        @NonNull
+        public Builder addSearchDomain(@NonNull String domain) {
             if (mConfig.searchDomains == null) {
                 mConfig.searchDomains = new ArrayList<String>();
             }
@@ -660,6 +672,7 @@
          *
          * @return this {@link Builder} object to facilitate chaining of method calls.
          */
+        @NonNull
         public Builder allowFamily(int family) {
             if (family == AF_INET) {
                 mConfig.allowIPv4 = true;
@@ -703,7 +716,8 @@
          *
          * @return this {@link Builder} object to facilitate chaining method calls.
          */
-        public Builder addAllowedApplication(String packageName)
+        @NonNull
+        public Builder addAllowedApplication(@NonNull String packageName)
                 throws PackageManager.NameNotFoundException {
             if (mConfig.disallowedApplications != null) {
                 throw new UnsupportedOperationException("addDisallowedApplication already called");
@@ -735,7 +749,8 @@
          *
          * @return this {@link Builder} object to facilitate chaining method calls.
          */
-        public Builder addDisallowedApplication(String packageName)
+        @NonNull
+        public Builder addDisallowedApplication(@NonNull String packageName)
                 throws PackageManager.NameNotFoundException {
             if (mConfig.allowedApplications != null) {
                 throw new UnsupportedOperationException("addAllowedApplication already called");
@@ -758,6 +773,7 @@
          *
          * @return this {@link Builder} object to facilitate chaining of method calls.
          */
+        @NonNull
         public Builder allowBypass() {
             mConfig.allowBypass = true;
             return this;
@@ -772,6 +788,7 @@
          *
          * @return this {@link Builder} object to facilitate chaining method calls.
          */
+        @NonNull
         public Builder setBlocking(boolean blocking) {
             mConfig.blocking = blocking;
             return this;
@@ -786,7 +803,8 @@
          *
          * @return this {@link Builder} object to facilitate chaining method calls.
          */
-        public Builder setUnderlyingNetworks(Network[] networks) {
+        @NonNull
+        public Builder setUnderlyingNetworks(@Nullable Network[] networks) {
             mConfig.underlyingNetworks = networks != null ? networks.clone() : null;
             return this;
         }
@@ -807,6 +825,7 @@
          * @see #setUnderlyingNetworks(Networks[])
          * @see ConnectivityManager#isActiveNetworkMetered()
          */
+        @NonNull
         public Builder setMetered(boolean isMetered) {
             mConfig.isMetered = isMetered;
             return this;
@@ -855,6 +874,7 @@
          *         in {@code AndroidManifest.xml}.
          * @see VpnService
          */
+        @Nullable
         public ParcelFileDescriptor establish() {
             mConfig.addresses = mAddresses;
             mConfig.routes = mRoutes;
diff --git a/core/java/android/net/http/SslCertificate.java b/core/java/android/net/http/SslCertificate.java
index 6fcd6eb..01dd08f 100644
--- a/core/java/android/net/http/SslCertificate.java
+++ b/core/java/android/net/http/SslCertificate.java
@@ -16,6 +16,7 @@
 
 package android.net.http;
 
+import android.annotation.Nullable;
 import android.annotation.UnsupportedAppUsage;
 import android.content.Context;
 import android.os.Bundle;
@@ -252,7 +253,7 @@
      * @return The {@code X509Certificate} used to create this {@code SslCertificate} or
      * {@code null} if no certificate was provided.
      */
-    public X509Certificate getX509Certificate() {
+    public @Nullable X509Certificate getX509Certificate() {
         return mX509Certificate;
     }
 
diff --git a/core/java/android/service/carrier/ApnService.java b/core/java/android/service/carrier/ApnService.java
index d53eb37..57e4b1b 100644
--- a/core/java/android/service/carrier/ApnService.java
+++ b/core/java/android/service/carrier/ApnService.java
@@ -16,6 +16,8 @@
 
 package android.service.carrier;
 
+import android.annotation.NonNull;
+import android.annotation.Nullable;
 import android.annotation.SystemApi;
 import android.annotation.WorkerThread;
 import android.app.Service;
@@ -60,7 +62,8 @@
     };
 
     @Override
-    public IBinder onBind(Intent intent) {
+    @NonNull
+    public IBinder onBind(@Nullable Intent intent) {
         return mBinder;
     }
 
@@ -73,5 +76,6 @@
      * subId.
      */
     @WorkerThread
+    @NonNull
     public abstract List<ContentValues> onRestoreApns(int subId);
 }
diff --git a/core/java/android/service/euicc/EuiccService.java b/core/java/android/service/euicc/EuiccService.java
index 53cc25b..4f321dc 100644
--- a/core/java/android/service/euicc/EuiccService.java
+++ b/core/java/android/service/euicc/EuiccService.java
@@ -101,10 +101,23 @@
      */
     public static final String ACTION_MANAGE_EMBEDDED_SUBSCRIPTIONS =
             "android.service.euicc.action.MANAGE_EMBEDDED_SUBSCRIPTIONS";
+
     /** @see android.telephony.euicc.EuiccManager#ACTION_PROVISION_EMBEDDED_SUBSCRIPTION */
     public static final String ACTION_PROVISION_EMBEDDED_SUBSCRIPTION =
             "android.service.euicc.action.PROVISION_EMBEDDED_SUBSCRIPTION";
 
+    /** @see android.telephony.euicc.EuiccManager#ACTION_TOGGLE_SUBSCRIPTION_PRIVILEGED */
+    public static final String ACTION_TOGGLE_SUBSCRIPTION_PRIVILEGED =
+            "android.service.euicc.action.TOGGLE_SUBSCRIPTION_PRIVILEGED";
+
+    /** @see android.telephony.euicc.EuiccManager#ACTION_DELETE_SUBSCRIPTION_PRIVILEGED */
+    public static final String ACTION_DELETE_SUBSCRIPTION_PRIVILEGED =
+            "android.service.euicc.action.DELETE_SUBSCRIPTION_PRIVILEGED";
+
+    /** @see android.telephony.euicc.EuiccManager#ACTION_RENAME_SUBSCRIPTION_PRIVILEGED */
+    public static final String ACTION_RENAME_SUBSCRIPTION_PRIVILEGED =
+            "android.service.euicc.action.RENAME_SUBSCRIPTION_PRIVILEGED";
+
     // LUI resolution actions. These are called by the platform to resolve errors in situations that
     // require user interaction.
     // TODO(b/33075886): Define extras for any input parameters to these dialogs once they are
diff --git a/core/java/android/util/LocalLog.java b/core/java/android/util/LocalLog.java
index adfa4fc..8b5659b 100644
--- a/core/java/android/util/LocalLog.java
+++ b/core/java/android/util/LocalLog.java
@@ -17,6 +17,7 @@
 package android.util;
 
 import android.annotation.UnsupportedAppUsage;
+
 import java.io.FileDescriptor;
 import java.io.PrintWriter;
 import java.time.LocalDateTime;
@@ -55,6 +56,10 @@
 
     @UnsupportedAppUsage
     public synchronized void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
+        dump(pw);
+    }
+
+    public synchronized void dump(PrintWriter pw) {
         Iterator<String> itr = mLog.iterator();
         while (itr.hasNext()) {
             pw.println(itr.next());
@@ -62,6 +67,10 @@
     }
 
     public synchronized void reverseDump(FileDescriptor fd, PrintWriter pw, String[] args) {
+        reverseDump(pw);
+    }
+
+    public synchronized void reverseDump(PrintWriter pw) {
         Iterator<String> itr = mLog.descendingIterator();
         while (itr.hasNext()) {
             pw.println(itr.next());
@@ -75,10 +84,16 @@
         }
         @UnsupportedAppUsage
         public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
-            mLog.dump(fd, pw, args);
+            mLog.dump(pw);
+        }
+        public void dump(PrintWriter pw) {
+            mLog.dump(pw);
         }
         public void reverseDump(FileDescriptor fd, PrintWriter pw, String[] args) {
-            mLog.reverseDump(fd, pw, args);
+            mLog.reverseDump(pw);
+        }
+        public void reverseDump(PrintWriter pw) {
+            mLog.reverseDump(pw);
         }
     }
 
diff --git a/core/jni/runtime_native_boot-flags-test.sh b/core/jni/runtime_native_boot-flags-test.sh
index 01f37f0..cdfeffc 100755
--- a/core/jni/runtime_native_boot-flags-test.sh
+++ b/core/jni/runtime_native_boot-flags-test.sh
@@ -139,47 +139,73 @@
   adb logcat -d -s "$zygote" | grep -q -e "option\[[0-9]\+\]=$runtime_option"
 }
 
-# check_zygote_gc_runtime_option CONTEXT VALUE
-# --------------------------------------------
-# Check that all zygote processes are passed device configuration flag VALUE as
-# GC runtime option. Use CONTEXT in logging.
-function check_zygote_gc_runtime_option {
+# check_zygote_runtime_option CONTEXT RUNTIME_OPTION
+# --------------------------------------------------
+# Check that all zygote processes are passed RUNTIME_OPTION as runtime option. Use
+# CONTEXT in logging.
+function check_zygote_runtime_option {
   local context=$1
-  local value=$2
+  local runtime_option=$2
 
   say \
-    "[$context] Check that all zygote processes are passed the flag value as a GC runtime option..."
-  local runtime_option="-Xgc:$value"
+    "[$context] Check that all zygote processes are passed \`$runtime_option\` as runtime option..."
   for zygote in $zygotes; do
-    find_zygote_runtime_option "$zygote" "$runtime_option"\
+    find_zygote_runtime_option "$zygote" "$runtime_option" \
       || fail "Found no \`$runtime_option\` among runtime options passed to \`$zygote\`"
   done
 }
 
-# check_no_zygote_gc_runtime_option CONTEXT VALUE
-# -----------------------------------------------
-# Check that no zygote process is passed device configuration flag VALUE as GC
-# runtime option.  Use CONTEXT in logging.
-function check_no_zygote_gc_runtime_option {
+# check_no_zygote_runtime_option CONTEXT RUNTIME_OPTION
+# -----------------------------------------------------
+# Check that no zygote process is passed RUNTIME_OPTION as runtime option.  Use
+# CONTEXT in logging.
+function check_no_zygote_runtime_option {
   local context=$1
-  local value=$2
+  local runtime_option=$2
 
-  say "[$context] Check no zygote process is passed the flag value as a GC runtime option..."
-  local runtime_option="-Xgc:$value"
+  say "[$context] Check that no zygote process is passed \`$runtime_option\` as runtime option..."
   for zygote in $zygotes; do
-    find_zygote_runtime_option "$zygote" "$runtime_option"\
+    find_zygote_runtime_option "$zygote" "$runtime_option" \
       && fail "Found \`$runtime_option\` among runtime options passed to \`$zygote\`"
   done
 }
 
-# test_android_runtime_flag FLAG VALUE GC_RUNTIME_OPTION
-# ------------------------------------------------------
-# Test device configuration FLAG with VALUE. Check that GC_RUNTIME_OPTION is
-# passed as GC Runtime option by the zygote.
+# check_android_runtime_message CONTEXT MESSAGE
+# ---------------------------------------------
+# Return whether AndroidRuntime generated MESSAGE in logcat. Use CONTEXT in
+# logging.
+function check_android_runtime_message {
+  local context=$1
+  local message=$2
+
+  say "[$context] Check that AndroidRuntime generated expected message in logcat..."
+  adb logcat -d -s AndroidRuntime | grep -F -q "$message" \
+    || fail "Found no message \"$message\" generated by AndroidRuntime"
+}
+
+# check_no_android_runtime_message CONTEXT MESSAGE
+# ------------------------------------------------
+# Return whether AndroidRuntime did not generate MESSAGE in logcat. Use CONTEXT
+# in logging.
+function check_no_android_runtime_message {
+  local context=$1
+  local message=$2
+
+  say "[$context] Check that AndroidRuntime did not generate unexpected message in logcat..."
+  adb logcat -d -s AndroidRuntime | grep -F -q -v "$message" \
+    || fail "Found message \"$message\" generated by AndroidRuntime"
+}
+
+# test_android_runtime_flag FLAG VALUE CHECK_EFFECT CHECK_NO_EFFECT
+# -----------------------------------------------------------------
+# Test device configuration FLAG with VALUE. CHECK_EFFECT and CHECK_NO_EFFECT
+# are functions that are passed a context as sole argument and that respectively
+# check the effect or the absence of effect of the flag.
 function test_android_runtime_flag {
   local flag=$1
   local value=$2
-  local gc_runtime_option=$3
+  local check_effect=$3
+  local check_no_effect=$4
 
   # Persistent system property (set after a reboot) associated with the device
   # configuration flag.
@@ -193,26 +219,26 @@
   sleep 3
 
   # Check that both the device configuration flag and the associated system
-  # property are set, but that the zygote hasn't had the flag passed to it as a
-  # GC runtime option (as we haven't rebooted yet).
+  # property are set, but that flag has not produced an effect on the system (as
+  # we haven't rebooted yet).
   local context="Flag set, before reboot"
   check_device_config_flag "$context" "$flag" "$value"
   check_system_property "$context" "$prop" "$value"
-  check_no_zygote_gc_runtime_option "$context" "$gc_runtime_option"
+  $check_no_effect "$context"
 
   # Reboot device for the flag value to take effect.
   reboot_and_wait_for_device
   context="Flag set, after 1st reboot"
   check_device_config_flag "$context" "$flag" "$value"
   check_system_property "$context" "$prop" "$value"
-  check_zygote_gc_runtime_option "$context" "$gc_runtime_option"
+  $check_effect "$context"
 
   # Reboot device a second time and check that the state has persisted.
   reboot_and_wait_for_device
   context="Flag set, after 2nd reboot"
   check_device_config_flag "$context" "$flag" "$value"
   check_system_property "$context" "$prop" "$value"
-  check_zygote_gc_runtime_option "$context" "$gc_runtime_option"
+  $check_effect "$context"
 
   say "Unsetting device configuration flag..."
   adb shell device_config delete "$namespace" "$flag" >/dev/null
@@ -224,9 +250,13 @@
   context="Flag unset, after 3rd reboot"
   check_no_device_config_flag "$context" "$flag"
   check_no_system_property "$context" "$prop"
-  check_no_zygote_gc_runtime_option "$context" "$gc_runtime_option"
+  $check_no_effect "$context"
 }
 
+
+# Pre-test actions.
+# =================
+
 # Enumerate Zygote processes.
 case $(adb shell getprop ro.zygote) in
   (zygote32) zygotes="zygote";;
@@ -235,8 +265,56 @@
 esac
 
 # Test "enable_generational_cc" flag values.
-test_android_runtime_flag enable_generational_cc false nogenerational_cc
-test_android_runtime_flag enable_generational_cc true generational_cc
+# ==========================================
+
+function check_nogenerational_cc {
+  check_zygote_runtime_option "$1" "-Xgc:nogenerational_cc"
+}
+function check_no_nogenerational_cc {
+  check_no_zygote_runtime_option "$1" "-Xgc:nogenerational_cc"
+}
+
+function check_generational_cc {
+  check_zygote_runtime_option "$1" "-Xgc:generational_cc"
+}
+function check_no_generational_cc {
+  check_no_zygote_runtime_option "$1" "-Xgc:generational_cc"
+}
+
+test_android_runtime_flag \
+  enable_generational_cc false check_nogenerational_cc check_no_nogenerational_cc
+test_android_runtime_flag \
+  enable_generational_cc true check_generational_cc check_no_generational_cc
+
+# Test "enable_apex_image" flag values.
+# =====================================
+
+default_boot_image_message="Using default boot image"
+function check_default_boot_image {
+  check_android_runtime_message "$1" "$default_boot_image_message"
+}
+function check_no_default_boot_image {
+  check_no_android_runtime_message "$1" "$default_boot_image_message"
+}
+
+apex_boot_image_option="-Ximage:/system/framework/apex.art"
+apex_boot_image_message="Using Apex boot image: '$apex_boot_image_option'"
+function check_apex_boot_image {
+  check_zygote_runtime_option "$1" "$apex_boot_image_option"
+  check_android_runtime_message "$1" "$apex_boot_image_message"
+}
+function check_no_apex_boot_image {
+  check_no_zygote_runtime_option "$1" "$apex_boot_image_option"
+  check_no_android_runtime_message "$1" "$apex_boot_image_message"
+}
+
+test_android_runtime_flag \
+  enable_apex_image false check_default_boot_image check_no_default_boot_image
+test_android_runtime_flag \
+  enable_apex_image true check_apex_boot_image check_no_apex_boot_image
+
+# Post-test actions.
+# ==================
 
 if [[ "$exit_status" -eq 0 ]]; then
   banner "All tests passed."
diff --git a/core/res/res/values/colors_device_defaults.xml b/core/res/res/values/colors_device_defaults.xml
index 0fe80a1..256c531 100644
--- a/core/res/res/values/colors_device_defaults.xml
+++ b/core/res/res/values/colors_device_defaults.xml
@@ -26,6 +26,8 @@
     <color name="primary_dark_device_default_settings">@color/primary_dark_material_settings</color>
     <color name="primary_dark_device_default_settings_light">@color/primary_dark_material_settings_light</color>
 
+    <color name="navigation_bar_divider_device_default_settings">#1f000000</color>
+
     <color name="secondary_device_default_settings">@color/secondary_material_settings</color>
     <color name="secondary_device_default_settings_light">@color/secondary_material_settings_light</color>
     <color name="tertiary_device_default_settings">@color/tertiary_material_settings</color>
diff --git a/core/res/res/values/config.xml b/core/res/res/values/config.xml
index de07b86..5444c69 100644
--- a/core/res/res/values/config.xml
+++ b/core/res/res/values/config.xml
@@ -477,22 +477,16 @@
              - the return value of TelephonyManager.getTetherApnRequired()
                determines how the array is further modified:
 
-                   * DUN_REQUIRED
-                     TYPE_MOBILE is removed (if present)
-                     TYPE_MOBILE_HIPRI is removed (if present)
-                     TYPE_MOBILE_DUN is appended (if not already present)
+                   * TRUE (DUN REQUIRED).
+                     TYPE_MOBILE is removed (if present).
+                     TYPE_MOBILE_HIPRI is removed (if present).
+                     TYPE_MOBILE_DUN is appended (if not already present).
 
-                   * DUN_NOT_REQUIRED
-                     TYPE_MOBILE_DUN is removed (if present)
-                     TYPE_MOBILE is appended (if not already present)
-                     TYPE_MOBILE_HIPRI is appended (if not already present)
-
-                   * DUN_UNSPECIFIED
-                     if any of TYPE_MOBILE{,_DUN,_HIPRI} are present:
-                         change nothing
-                     else:
-                         TYPE_MOBILE is appended
-                         TYPE_MOBILE_HIPRI is appended
+                   * FALSE (DUN NOT REQUIRED).
+                     TYPE_MOBILE_DUN is removed (if present).
+                     If both of TYPE_MOBILE{,_HIPRI} are not present:
+                        TYPE_MOBILE is appended.
+                        TYPE_MOBILE_HIPRI is appended.
 
          For other changes applied to this list, now and in the future, see
          com.android.server.connectivity.tethering.TetheringConfiguration.
diff --git a/core/res/res/values/themes_device_defaults.xml b/core/res/res/values/themes_device_defaults.xml
index 14e5082..83edeac 100644
--- a/core/res/res/values/themes_device_defaults.xml
+++ b/core/res/res/values/themes_device_defaults.xml
@@ -1447,7 +1447,7 @@
         <item name="colorEdgeEffect">@android:color/black</item>
 
         <!-- Add white nav bar with divider that matches material -->
-        <item name="navigationBarDividerColor">#1f000000</item>
+        <item name="navigationBarDividerColor">@color/navigation_bar_divider_device_default_settings</item>
         <item name="navigationBarColor">@android:color/white</item>
         <item name="windowLightNavigationBar">true</item>
 
diff --git a/graphics/java/android/graphics/drawable/GradientDrawable.java b/graphics/java/android/graphics/drawable/GradientDrawable.java
index d34d461..2a286af 100644
--- a/graphics/java/android/graphics/drawable/GradientDrawable.java
+++ b/graphics/java/android/graphics/drawable/GradientDrawable.java
@@ -579,9 +579,9 @@
      * The default value for this property is {@code false}.
      * <p>
      * <strong>Note</strong>: This property corresponds to the
-     * {@code android:useLevel} attribute on the inner {@code &lt;gradient&gt;}
+     * {@code android:useLevel} attribute on the inner {@code <gradient>}
      * tag, NOT the {@code android:useLevel} attribute on the outer
-     * {@code &lt;shape&gt;} tag. For example,
+     * {@code <shape>} tag. For example,
      * <pre>{@code
      * <shape ...>
      *     <gradient
diff --git a/media/java/android/media/MediaHTTPConnection.java b/media/java/android/media/MediaHTTPConnection.java
index 5f324f7..d724762 100644
--- a/media/java/android/media/MediaHTTPConnection.java
+++ b/media/java/android/media/MediaHTTPConnection.java
@@ -37,7 +37,6 @@
 import java.net.UnknownServiceException;
 import java.util.HashMap;
 import java.util.Map;
-import java.util.concurrent.atomic.AtomicBoolean;
 
 /** @hide */
 public class MediaHTTPConnection extends IMediaHTTPConnection.Stub {
@@ -67,7 +66,6 @@
     // from com.squareup.okhttp.internal.http
     private final static int HTTP_TEMP_REDIRECT = 307;
     private final static int MAX_REDIRECTS = 20;
-    private AtomicBoolean mIsConnected = new AtomicBoolean(false);
 
     @UnsupportedAppUsage
     public MediaHTTPConnection() {
@@ -91,7 +89,6 @@
             mAllowCrossDomainRedirect = true;
             mURL = new URL(uri);
             mHeaders = convertHeaderStringToMap(headers);
-            mIsConnected.set(true);
         } catch (MalformedURLException e) {
             return null;
         }
@@ -142,14 +139,7 @@
     @Override
     @UnsupportedAppUsage
     public void disconnect() {
-        if (mIsConnected.getAndSet(false)) {
-            (new Thread() {
-                @Override
-                public void run() {
-                    teardownConnection();
-                }
-            }).start();
-        }
+        teardownConnection();
         mHeaders = null;
         mURL = null;
     }
@@ -334,14 +324,7 @@
     @Override
     @UnsupportedAppUsage
     public int readAt(long offset, int size) {
-        if (!mIsConnected.get()) {
-            return -1;
-        }
-        int result = native_readAt(offset, size);
-        if (!mIsConnected.get()) {
-            return -1;
-        }
-        return result;
+        return native_readAt(offset, size);
     }
 
     private int readAt(long offset, byte[] data, int size) {
diff --git a/media/jni/Android.bp b/media/jni/Android.bp
index 25c7b5c..5966192 100644
--- a/media/jni/Android.bp
+++ b/media/jni/Android.bp
@@ -20,8 +20,8 @@
         "android_media_MediaScanner.cpp",
         "android_media_MediaSync.cpp",
         "android_media_ResampleInputStream.cpp",
+        "android_media_Streams.cpp",
         "android_media_SyncParams.cpp",
-        "android_media_Utils.cpp",
         "android_mtp_MtpDatabase.cpp",
         "android_mtp_MtpDevice.cpp",
         "android_mtp_MtpServer.cpp",
@@ -36,6 +36,7 @@
         "libbinder",
         "libmedia",
         "libmediaextractor",
+        "libmedia_jni_utils",
         "libmedia_omx",
         "libmediametrics",
         "libmediadrm",
@@ -91,6 +92,36 @@
 }
 
 cc_library_shared {
+    name: "libmedia_jni_utils",
+    srcs: [
+        "android_media_Utils.cpp",
+    ],
+
+    shared_libs: [
+        "liblog",
+        "libmedia_omx",
+        "libnativewindow",
+        "libui",
+        "libutils",
+        "android.hidl.token@1.0-utils",
+    ],
+
+    include_dirs: [
+        "system/media/camera/include",
+    ],
+
+    export_include_dirs: ["."],
+
+    cflags: [
+        "-Wall",
+        "-Werror",
+        "-Wno-error=deprecated-declarations",
+        "-Wunused",
+        "-Wunreachable-code",
+    ],
+}
+
+cc_library_shared {
     name: "libmedia2_jni",
 
     srcs: [
diff --git a/media/jni/android_media_MediaCodec.cpp b/media/jni/android_media_MediaCodec.cpp
index 3490ff8..cf73b21 100644
--- a/media/jni/android_media_MediaCodec.cpp
+++ b/media/jni/android_media_MediaCodec.cpp
@@ -23,7 +23,7 @@
 #include "android_media_MediaCrypto.h"
 #include "android_media_MediaDescrambler.h"
 #include "android_media_MediaMetricsJNI.h"
-#include "android_media_Utils.h"
+#include "android_media_Streams.h"
 #include "android_runtime/AndroidRuntime.h"
 #include "android_runtime/android_view_Surface.h"
 #include "android_util_Binder.h"
diff --git a/media/jni/android_media_MediaCodecList.cpp b/media/jni/android_media_MediaCodecList.cpp
index 8de11ca..878910a 100644
--- a/media/jni/android_media_MediaCodecList.cpp
+++ b/media/jni/android_media_MediaCodecList.cpp
@@ -27,7 +27,7 @@
 #include "android_runtime/AndroidRuntime.h"
 #include "jni.h"
 #include <nativehelper/JNIHelp.h>
-#include "android_media_Utils.h"
+#include "android_media_Streams.h"
 
 using namespace android;
 
diff --git a/media/jni/android_media_MediaExtractor.cpp b/media/jni/android_media_MediaExtractor.cpp
index dad0e53..3edac44 100644
--- a/media/jni/android_media_MediaExtractor.cpp
+++ b/media/jni/android_media_MediaExtractor.cpp
@@ -21,7 +21,7 @@
 #include "android_media_MediaDataSource.h"
 #include "android_media_MediaExtractor.h"
 #include "android_media_MediaMetricsJNI.h"
-#include "android_media_Utils.h"
+#include "android_media_Streams.h"
 #include "android_os_HwRemoteBinder.h"
 #include "android_runtime/AndroidRuntime.h"
 #include "android_runtime/Log.h"
diff --git a/media/jni/android_media_MediaMetadataRetriever.cpp b/media/jni/android_media_MediaMetadataRetriever.cpp
index c1226fa..a480784 100644
--- a/media/jni/android_media_MediaMetadataRetriever.cpp
+++ b/media/jni/android_media_MediaMetadataRetriever.cpp
@@ -18,6 +18,7 @@
 //#define LOG_NDEBUG 0
 #define LOG_TAG "MediaMetadataRetrieverJNI"
 
+#include <cmath>
 #include <assert.h>
 #include <utils/Log.h>
 #include <utils/threads.h>
@@ -32,7 +33,7 @@
 #include <nativehelper/JNIHelp.h>
 #include "android_runtime/AndroidRuntime.h"
 #include "android_media_MediaDataSource.h"
-#include "android_media_Utils.h"
+#include "android_media_Streams.h"
 #include "android_util_Binder.h"
 
 #include "android/graphics/GraphicsJNI.h"
diff --git a/media/jni/android_media_MediaMuxer.cpp b/media/jni/android_media_MediaMuxer.cpp
index f11452a..f0aa4c3 100644
--- a/media/jni/android_media_MediaMuxer.cpp
+++ b/media/jni/android_media_MediaMuxer.cpp
@@ -18,7 +18,7 @@
 #define LOG_TAG "MediaMuxer-JNI"
 #include <utils/Log.h>
 
-#include "android_media_Utils.h"
+#include "android_media_Streams.h"
 #include "android_runtime/AndroidRuntime.h"
 #include "jni.h"
 #include <nativehelper/JNIHelp.h>
diff --git a/media/jni/android_media_MediaPlayer.cpp b/media/jni/android_media_MediaPlayer.cpp
index 5dd01b0..2acb0e5 100644
--- a/media/jni/android_media_MediaPlayer.cpp
+++ b/media/jni/android_media_MediaPlayer.cpp
@@ -45,7 +45,7 @@
 #include "android_media_PlaybackParams.h"
 #include "android_media_SyncParams.h"
 #include "android_media_VolumeShaper.h"
-#include "android_media_Utils.h"
+#include "android_media_Streams.h"
 
 #include "android_os_Parcel.h"
 #include "android_util_Binder.h"
diff --git a/media/jni/android_media_Streams.cpp b/media/jni/android_media_Streams.cpp
new file mode 100644
index 0000000..b7cbd97
--- /dev/null
+++ b/media/jni/android_media_Streams.cpp
@@ -0,0 +1,559 @@
+/*
+ * Copyright 2019, The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+// #define LOG_NDEBUG 0
+#define LOG_TAG "AndroidMediaStreams"
+
+#include <utils/Log.h>
+#include "android_media_Streams.h"
+
+#include <media/stagefright/foundation/ADebug.h>
+#include <media/stagefright/foundation/ABuffer.h>
+#include <media/stagefright/foundation/AMessage.h>
+
+#include <nativehelper/ScopedLocalRef.h>
+
+namespace android {
+
+AssetStream::AssetStream(SkStream* stream)
+    : mStream(stream), mPosition(0) {
+}
+
+AssetStream::~AssetStream() {
+}
+
+piex::Error AssetStream::GetData(
+        const size_t offset, const size_t length, std::uint8_t* data) {
+    // Seek first.
+    if (mPosition != offset) {
+        if (!mStream->seek(offset)) {
+            return piex::Error::kFail;
+        }
+    }
+
+    // Read bytes.
+    size_t size = mStream->read((void*)data, length);
+    mPosition = offset + size;
+
+    return size == length ? piex::Error::kOk : piex::Error::kFail;
+}
+
+BufferedStream::BufferedStream(SkStream* stream)
+    : mStream(stream) {
+}
+
+BufferedStream::~BufferedStream() {
+}
+
+piex::Error BufferedStream::GetData(
+        const size_t offset, const size_t length, std::uint8_t* data) {
+    // Seek first.
+    if (offset + length > mStreamBuffer.bytesWritten()) {
+        size_t sizeToRead = offset + length - mStreamBuffer.bytesWritten();
+        if (sizeToRead <= kMinSizeToRead) {
+            sizeToRead = kMinSizeToRead;
+        }
+
+        void* tempBuffer = malloc(sizeToRead);
+        if (tempBuffer == NULL) {
+          return piex::Error::kFail;
+        }
+
+        size_t bytesRead = mStream->read(tempBuffer, sizeToRead);
+        if (bytesRead != sizeToRead) {
+            free(tempBuffer);
+            return piex::Error::kFail;
+        }
+        mStreamBuffer.write(tempBuffer, bytesRead);
+        free(tempBuffer);
+    }
+
+    // Read bytes.
+    if (mStreamBuffer.read((void*)data, offset, length)) {
+        return piex::Error::kOk;
+    } else {
+        return piex::Error::kFail;
+    }
+}
+
+FileStream::FileStream(const int fd)
+    : mPosition(0) {
+    mFile = fdopen(fd, "r");
+    if (mFile == NULL) {
+        return;
+    }
+}
+
+FileStream::FileStream(const String8 filename)
+    : mPosition(0) {
+    mFile = fopen(filename.string(), "r");
+    if (mFile == NULL) {
+        return;
+    }
+}
+
+FileStream::~FileStream() {
+    if (mFile != NULL) {
+        fclose(mFile);
+        mFile = NULL;
+    }
+}
+
+piex::Error FileStream::GetData(
+        const size_t offset, const size_t length, std::uint8_t* data) {
+    if (mFile == NULL) {
+        return piex::Error::kFail;
+    }
+
+    // Seek first.
+    if (mPosition != offset) {
+        fseek(mFile, offset, SEEK_SET);
+    }
+
+    // Read bytes.
+    size_t size = fread((void*)data, sizeof(std::uint8_t), length, mFile);
+    mPosition += size;
+
+    // Handle errors and verify the size.
+    if (ferror(mFile) || size != length) {
+        ALOGV("GetData read failed: (offset: %zu, length: %zu)", offset, length);
+        return piex::Error::kFail;
+    }
+    return piex::Error::kOk;
+}
+
+bool FileStream::exists() const {
+    return mFile != NULL;
+}
+
+bool GetExifFromRawImage(
+        piex::StreamInterface* stream, const String8& filename,
+        piex::PreviewImageData& image_data) {
+    // Reset the PreviewImageData to its default.
+    image_data = piex::PreviewImageData();
+
+    if (!piex::IsRaw(stream)) {
+        // Format not supported.
+        ALOGV("Format not supported: %s", filename.string());
+        return false;
+    }
+
+    piex::Error err = piex::GetPreviewImageData(stream, &image_data);
+
+    if (err != piex::Error::kOk) {
+        // The input data seems to be broken.
+        ALOGV("Raw image not detected: %s (piex error code: %d)", filename.string(), (int32_t)err);
+        return false;
+    }
+
+    return true;
+}
+
+bool ConvertKeyValueArraysToKeyedVector(
+        JNIEnv *env, jobjectArray keys, jobjectArray values,
+        KeyedVector<String8, String8>* keyedVector) {
+
+    int nKeyValuePairs = 0;
+    bool failed = false;
+    if (keys != NULL && values != NULL) {
+        nKeyValuePairs = env->GetArrayLength(keys);
+        failed = (nKeyValuePairs != env->GetArrayLength(values));
+    }
+
+    if (!failed) {
+        failed = ((keys != NULL && values == NULL) ||
+                  (keys == NULL && values != NULL));
+    }
+
+    if (failed) {
+        ALOGE("keys and values arrays have different length");
+        jniThrowException(env, "java/lang/IllegalArgumentException", NULL);
+        return false;
+    }
+
+    for (int i = 0; i < nKeyValuePairs; ++i) {
+        // No need to check on the ArrayIndexOutOfBoundsException, since
+        // it won't happen here.
+        jstring key = (jstring) env->GetObjectArrayElement(keys, i);
+        jstring value = (jstring) env->GetObjectArrayElement(values, i);
+
+        const char* keyStr = env->GetStringUTFChars(key, NULL);
+        if (!keyStr) {  // OutOfMemoryError
+            return false;
+        }
+
+        const char* valueStr = env->GetStringUTFChars(value, NULL);
+        if (!valueStr) {  // OutOfMemoryError
+            env->ReleaseStringUTFChars(key, keyStr);
+            return false;
+        }
+
+        keyedVector->add(String8(keyStr), String8(valueStr));
+
+        env->ReleaseStringUTFChars(key, keyStr);
+        env->ReleaseStringUTFChars(value, valueStr);
+        env->DeleteLocalRef(key);
+        env->DeleteLocalRef(value);
+    }
+    return true;
+}
+
+static jobject makeIntegerObject(JNIEnv *env, int32_t value) {
+    ScopedLocalRef<jclass> clazz(env, env->FindClass("java/lang/Integer"));
+    CHECK(clazz.get() != NULL);
+
+    jmethodID integerConstructID =
+        env->GetMethodID(clazz.get(), "<init>", "(I)V");
+    CHECK(integerConstructID != NULL);
+
+    return env->NewObject(clazz.get(), integerConstructID, value);
+}
+
+static jobject makeLongObject(JNIEnv *env, int64_t value) {
+    ScopedLocalRef<jclass> clazz(env, env->FindClass("java/lang/Long"));
+    CHECK(clazz.get() != NULL);
+
+    jmethodID longConstructID = env->GetMethodID(clazz.get(), "<init>", "(J)V");
+    CHECK(longConstructID != NULL);
+
+    return env->NewObject(clazz.get(), longConstructID, value);
+}
+
+static jobject makeFloatObject(JNIEnv *env, float value) {
+    ScopedLocalRef<jclass> clazz(env, env->FindClass("java/lang/Float"));
+    CHECK(clazz.get() != NULL);
+
+    jmethodID floatConstructID =
+        env->GetMethodID(clazz.get(), "<init>", "(F)V");
+    CHECK(floatConstructID != NULL);
+
+    return env->NewObject(clazz.get(), floatConstructID, value);
+}
+
+static jobject makeByteBufferObject(
+        JNIEnv *env, const void *data, size_t size) {
+    jbyteArray byteArrayObj = env->NewByteArray(size);
+    env->SetByteArrayRegion(byteArrayObj, 0, size, (const jbyte *)data);
+
+    ScopedLocalRef<jclass> clazz(env, env->FindClass("java/nio/ByteBuffer"));
+    CHECK(clazz.get() != NULL);
+
+    jmethodID byteBufWrapID =
+        env->GetStaticMethodID(
+                clazz.get(), "wrap", "([B)Ljava/nio/ByteBuffer;");
+    CHECK(byteBufWrapID != NULL);
+
+    jobject byteBufObj = env->CallStaticObjectMethod(
+            clazz.get(), byteBufWrapID, byteArrayObj);
+
+    env->DeleteLocalRef(byteArrayObj); byteArrayObj = NULL;
+
+    return byteBufObj;
+}
+
+static void SetMapInt32(
+        JNIEnv *env, jobject hashMapObj, jmethodID hashMapPutID,
+        const char *key, int32_t value) {
+    jstring keyObj = env->NewStringUTF(key);
+    jobject valueObj = makeIntegerObject(env, value);
+
+    env->CallObjectMethod(hashMapObj, hashMapPutID, keyObj, valueObj);
+
+    env->DeleteLocalRef(valueObj); valueObj = NULL;
+    env->DeleteLocalRef(keyObj); keyObj = NULL;
+}
+
+status_t ConvertMessageToMap(
+        JNIEnv *env, const sp<AMessage> &msg, jobject *map) {
+    ScopedLocalRef<jclass> hashMapClazz(
+            env, env->FindClass("java/util/HashMap"));
+
+    if (hashMapClazz.get() == NULL) {
+        return -EINVAL;
+    }
+
+    jmethodID hashMapConstructID =
+        env->GetMethodID(hashMapClazz.get(), "<init>", "()V");
+
+    if (hashMapConstructID == NULL) {
+        return -EINVAL;
+    }
+
+    jmethodID hashMapPutID =
+        env->GetMethodID(
+                hashMapClazz.get(),
+                "put",
+                "(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;");
+
+    if (hashMapPutID == NULL) {
+        return -EINVAL;
+    }
+
+    jobject hashMap = env->NewObject(hashMapClazz.get(), hashMapConstructID);
+
+    for (size_t i = 0; i < msg->countEntries(); ++i) {
+        AMessage::Type valueType;
+        const char *key = msg->getEntryNameAt(i, &valueType);
+
+        if (!strncmp(key, "android._", 9)) {
+            // don't expose private keys (starting with android._)
+            continue;
+        }
+
+        jobject valueObj = NULL;
+
+        switch (valueType) {
+            case AMessage::kTypeInt32:
+            {
+                int32_t val;
+                CHECK(msg->findInt32(key, &val));
+
+                valueObj = makeIntegerObject(env, val);
+                break;
+            }
+
+            case AMessage::kTypeInt64:
+            {
+                int64_t val;
+                CHECK(msg->findInt64(key, &val));
+
+                valueObj = makeLongObject(env, val);
+                break;
+            }
+
+            case AMessage::kTypeFloat:
+            {
+                float val;
+                CHECK(msg->findFloat(key, &val));
+
+                valueObj = makeFloatObject(env, val);
+                break;
+            }
+
+            case AMessage::kTypeString:
+            {
+                AString val;
+                CHECK(msg->findString(key, &val));
+
+                valueObj = env->NewStringUTF(val.c_str());
+                break;
+            }
+
+            case AMessage::kTypeBuffer:
+            {
+                sp<ABuffer> buffer;
+                CHECK(msg->findBuffer(key, &buffer));
+
+                valueObj = makeByteBufferObject(
+                        env, buffer->data(), buffer->size());
+                break;
+            }
+
+            case AMessage::kTypeRect:
+            {
+                int32_t left, top, right, bottom;
+                CHECK(msg->findRect(key, &left, &top, &right, &bottom));
+
+                SetMapInt32(
+                        env,
+                        hashMap,
+                        hashMapPutID,
+                        AStringPrintf("%s-left", key).c_str(),
+                        left);
+
+                SetMapInt32(
+                        env,
+                        hashMap,
+                        hashMapPutID,
+                        AStringPrintf("%s-top", key).c_str(),
+                        top);
+
+                SetMapInt32(
+                        env,
+                        hashMap,
+                        hashMapPutID,
+                        AStringPrintf("%s-right", key).c_str(),
+                        right);
+
+                SetMapInt32(
+                        env,
+                        hashMap,
+                        hashMapPutID,
+                        AStringPrintf("%s-bottom", key).c_str(),
+                        bottom);
+                break;
+            }
+
+            default:
+                break;
+        }
+
+        if (valueObj != NULL) {
+            jstring keyObj = env->NewStringUTF(key);
+
+            env->CallObjectMethod(hashMap, hashMapPutID, keyObj, valueObj);
+
+            env->DeleteLocalRef(keyObj); keyObj = NULL;
+            env->DeleteLocalRef(valueObj); valueObj = NULL;
+        }
+    }
+
+    *map = hashMap;
+
+    return OK;
+}
+
+status_t ConvertKeyValueArraysToMessage(
+        JNIEnv *env, jobjectArray keys, jobjectArray values,
+        sp<AMessage> *out) {
+    ScopedLocalRef<jclass> stringClass(env, env->FindClass("java/lang/String"));
+    CHECK(stringClass.get() != NULL);
+    ScopedLocalRef<jclass> integerClass(env, env->FindClass("java/lang/Integer"));
+    CHECK(integerClass.get() != NULL);
+    ScopedLocalRef<jclass> longClass(env, env->FindClass("java/lang/Long"));
+    CHECK(longClass.get() != NULL);
+    ScopedLocalRef<jclass> floatClass(env, env->FindClass("java/lang/Float"));
+    CHECK(floatClass.get() != NULL);
+    ScopedLocalRef<jclass> byteBufClass(env, env->FindClass("java/nio/ByteBuffer"));
+    CHECK(byteBufClass.get() != NULL);
+
+    sp<AMessage> msg = new AMessage;
+
+    jsize numEntries = 0;
+
+    if (keys != NULL) {
+        if (values == NULL) {
+            return -EINVAL;
+        }
+
+        numEntries = env->GetArrayLength(keys);
+
+        if (numEntries != env->GetArrayLength(values)) {
+            return -EINVAL;
+        }
+    } else if (values != NULL) {
+        return -EINVAL;
+    }
+
+    for (jsize i = 0; i < numEntries; ++i) {
+        jobject keyObj = env->GetObjectArrayElement(keys, i);
+
+        if (!env->IsInstanceOf(keyObj, stringClass.get())) {
+            return -EINVAL;
+        }
+
+        const char *tmp = env->GetStringUTFChars((jstring)keyObj, NULL);
+
+        if (tmp == NULL) {
+            return -ENOMEM;
+        }
+
+        AString key = tmp;
+
+        env->ReleaseStringUTFChars((jstring)keyObj, tmp);
+        tmp = NULL;
+
+        if (key.startsWith("android._")) {
+            // don't propagate private keys (starting with android._)
+            continue;
+        }
+
+        jobject valueObj = env->GetObjectArrayElement(values, i);
+
+        if (env->IsInstanceOf(valueObj, stringClass.get())) {
+            const char *value = env->GetStringUTFChars((jstring)valueObj, NULL);
+
+            if (value == NULL) {
+                return -ENOMEM;
+            }
+
+            msg->setString(key.c_str(), value);
+
+            env->ReleaseStringUTFChars((jstring)valueObj, value);
+            value = NULL;
+        } else if (env->IsInstanceOf(valueObj, integerClass.get())) {
+            jmethodID intValueID =
+                env->GetMethodID(integerClass.get(), "intValue", "()I");
+            CHECK(intValueID != NULL);
+
+            jint value = env->CallIntMethod(valueObj, intValueID);
+
+            msg->setInt32(key.c_str(), value);
+        } else if (env->IsInstanceOf(valueObj, longClass.get())) {
+            jmethodID longValueID =
+                env->GetMethodID(longClass.get(), "longValue", "()J");
+            CHECK(longValueID != NULL);
+
+            jlong value = env->CallLongMethod(valueObj, longValueID);
+
+            msg->setInt64(key.c_str(), value);
+        } else if (env->IsInstanceOf(valueObj, floatClass.get())) {
+            jmethodID floatValueID =
+                env->GetMethodID(floatClass.get(), "floatValue", "()F");
+            CHECK(floatValueID != NULL);
+
+            jfloat value = env->CallFloatMethod(valueObj, floatValueID);
+
+            msg->setFloat(key.c_str(), value);
+        } else if (env->IsInstanceOf(valueObj, byteBufClass.get())) {
+            jmethodID positionID =
+                env->GetMethodID(byteBufClass.get(), "position", "()I");
+            CHECK(positionID != NULL);
+
+            jmethodID limitID =
+                env->GetMethodID(byteBufClass.get(), "limit", "()I");
+            CHECK(limitID != NULL);
+
+            jint position = env->CallIntMethod(valueObj, positionID);
+            jint limit = env->CallIntMethod(valueObj, limitID);
+
+            sp<ABuffer> buffer = new ABuffer(limit - position);
+
+            void *data = env->GetDirectBufferAddress(valueObj);
+
+            if (data != NULL) {
+                memcpy(buffer->data(),
+                       (const uint8_t *)data + position,
+                       buffer->size());
+            } else {
+                jmethodID arrayID =
+                    env->GetMethodID(byteBufClass.get(), "array", "()[B");
+                CHECK(arrayID != NULL);
+
+                jbyteArray byteArray =
+                    (jbyteArray)env->CallObjectMethod(valueObj, arrayID);
+                CHECK(byteArray != NULL);
+
+                env->GetByteArrayRegion(
+                        byteArray,
+                        position,
+                        buffer->size(),
+                        (jbyte *)buffer->data());
+
+                env->DeleteLocalRef(byteArray); byteArray = NULL;
+            }
+
+            msg->setBuffer(key.c_str(), buffer);
+        }
+    }
+
+    *out = msg;
+
+    return OK;
+}
+
+}  // namespace android
+
diff --git a/media/jni/android_media_Streams.h b/media/jni/android_media_Streams.h
new file mode 100644
index 0000000..d174f9a
--- /dev/null
+++ b/media/jni/android_media_Streams.h
@@ -0,0 +1,116 @@
+/*
+ * Copyright 2019, The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _ANDROID_MEDIA_STREAMS_H_
+#define _ANDROID_MEDIA_STREAMS_H_
+
+#include "src/piex_types.h"
+#include "src/piex.h"
+
+#include <jni.h>
+#include <nativehelper/JNIHelp.h>
+#include <utils/KeyedVector.h>
+#include <utils/String8.h>
+#include <utils/StrongPointer.h>
+#include <SkStream.h>
+
+
+namespace android {
+
+class AssetStream : public piex::StreamInterface {
+private:
+    SkStream *mStream;
+    size_t mPosition;
+
+public:
+    explicit AssetStream(SkStream* stream);
+    ~AssetStream();
+
+    // Reads 'length' amount of bytes from 'offset' to 'data'. The 'data' buffer
+    // provided by the caller, guaranteed to be at least "length" bytes long.
+    // On 'kOk' the 'data' pointer contains 'length' valid bytes beginning at
+    // 'offset' bytes from the start of the stream.
+    // Returns 'kFail' if 'offset' + 'length' exceeds the stream and does not
+    // change the contents of 'data'.
+    piex::Error GetData(
+            const size_t offset, const size_t length, std::uint8_t* data) override;
+};
+
+class BufferedStream : public piex::StreamInterface {
+private:
+    SkStream *mStream;
+    // Growable memory stream
+    SkDynamicMemoryWStream mStreamBuffer;
+
+    // Minimum size to read on filling the buffer.
+    const size_t kMinSizeToRead = 8192;
+
+public:
+    explicit BufferedStream(SkStream* stream);
+    ~BufferedStream();
+
+    // Reads 'length' amount of bytes from 'offset' to 'data'. The 'data' buffer
+    // provided by the caller, guaranteed to be at least "length" bytes long.
+    // On 'kOk' the 'data' pointer contains 'length' valid bytes beginning at
+    // 'offset' bytes from the start of the stream.
+    // Returns 'kFail' if 'offset' + 'length' exceeds the stream and does not
+    // change the contents of 'data'.
+    piex::Error GetData(
+            const size_t offset, const size_t length, std::uint8_t* data) override;
+};
+
+class FileStream : public piex::StreamInterface {
+private:
+    FILE *mFile;
+    size_t mPosition;
+
+public:
+    explicit FileStream(const int fd);
+    explicit FileStream(const String8 filename);
+    ~FileStream();
+
+    // Reads 'length' amount of bytes from 'offset' to 'data'. The 'data' buffer
+    // provided by the caller, guaranteed to be at least "length" bytes long.
+    // On 'kOk' the 'data' pointer contains 'length' valid bytes beginning at
+    // 'offset' bytes from the start of the stream.
+    // Returns 'kFail' if 'offset' + 'length' exceeds the stream and does not
+    // change the contents of 'data'.
+    piex::Error GetData(
+            const size_t offset, const size_t length, std::uint8_t* data) override;
+    bool exists() const;
+};
+
+// Reads EXIF metadata from a given raw image via piex.
+// And returns true if the operation is successful; otherwise, false.
+bool GetExifFromRawImage(
+        piex::StreamInterface* stream, const String8& filename, piex::PreviewImageData& image_data);
+
+// Returns true if the conversion is successful; otherwise, false.
+bool ConvertKeyValueArraysToKeyedVector(
+        JNIEnv *env, jobjectArray keys, jobjectArray values,
+        KeyedVector<String8, String8>* vector);
+
+struct AMessage;
+status_t ConvertMessageToMap(
+        JNIEnv *env, const sp<AMessage> &msg, jobject *map);
+
+status_t ConvertKeyValueArraysToMessage(
+        JNIEnv *env, jobjectArray keys, jobjectArray values,
+        sp<AMessage> *msg);
+
+};  // namespace android
+
+#endif //  _ANDROID_MEDIA_STREAMS_H_
diff --git a/media/jni/android_media_Utils.cpp b/media/jni/android_media_Utils.cpp
index 458d847..8bdf534 100644
--- a/media/jni/android_media_Utils.cpp
+++ b/media/jni/android_media_Utils.cpp
@@ -21,543 +21,10 @@
 #include <utils/Log.h>
 #include "android_media_Utils.h"
 
-#include <media/stagefright/foundation/ADebug.h>
-#include <media/stagefright/foundation/ABuffer.h>
-#include <media/stagefright/foundation/AMessage.h>
-
-#include <nativehelper/ScopedLocalRef.h>
-
 #define ALIGN(x, mask) ( ((x) + (mask) - 1) & ~((mask) - 1) )
 
 namespace android {
 
-AssetStream::AssetStream(SkStream* stream)
-    : mStream(stream), mPosition(0) {
-}
-
-AssetStream::~AssetStream() {
-}
-
-piex::Error AssetStream::GetData(
-        const size_t offset, const size_t length, std::uint8_t* data) {
-    // Seek first.
-    if (mPosition != offset) {
-        if (!mStream->seek(offset)) {
-            return piex::Error::kFail;
-        }
-    }
-
-    // Read bytes.
-    size_t size = mStream->read((void*)data, length);
-    mPosition = offset + size;
-
-    return size == length ? piex::Error::kOk : piex::Error::kFail;
-}
-
-BufferedStream::BufferedStream(SkStream* stream)
-    : mStream(stream) {
-}
-
-BufferedStream::~BufferedStream() {
-}
-
-piex::Error BufferedStream::GetData(
-        const size_t offset, const size_t length, std::uint8_t* data) {
-    // Seek first.
-    if (offset + length > mStreamBuffer.bytesWritten()) {
-        size_t sizeToRead = offset + length - mStreamBuffer.bytesWritten();
-        if (sizeToRead <= kMinSizeToRead) {
-            sizeToRead = kMinSizeToRead;
-        }
-
-        void* tempBuffer = malloc(sizeToRead);
-        if (tempBuffer == NULL) {
-          return piex::Error::kFail;
-        }
-
-        size_t bytesRead = mStream->read(tempBuffer, sizeToRead);
-        if (bytesRead != sizeToRead) {
-            free(tempBuffer);
-            return piex::Error::kFail;
-        }
-        mStreamBuffer.write(tempBuffer, bytesRead);
-        free(tempBuffer);
-    }
-
-    // Read bytes.
-    if (mStreamBuffer.read((void*)data, offset, length)) {
-        return piex::Error::kOk;
-    } else {
-        return piex::Error::kFail;
-    }
-}
-
-FileStream::FileStream(const int fd)
-    : mPosition(0) {
-    mFile = fdopen(fd, "r");
-    if (mFile == NULL) {
-        return;
-    }
-}
-
-FileStream::FileStream(const String8 filename)
-    : mPosition(0) {
-    mFile = fopen(filename.string(), "r");
-    if (mFile == NULL) {
-        return;
-    }
-}
-
-FileStream::~FileStream() {
-    if (mFile != NULL) {
-        fclose(mFile);
-        mFile = NULL;
-    }
-}
-
-piex::Error FileStream::GetData(
-        const size_t offset, const size_t length, std::uint8_t* data) {
-    if (mFile == NULL) {
-        return piex::Error::kFail;
-    }
-
-    // Seek first.
-    if (mPosition != offset) {
-        fseek(mFile, offset, SEEK_SET);
-    }
-
-    // Read bytes.
-    size_t size = fread((void*)data, sizeof(std::uint8_t), length, mFile);
-    mPosition += size;
-
-    // Handle errors and verify the size.
-    if (ferror(mFile) || size != length) {
-        ALOGV("GetData read failed: (offset: %zu, length: %zu)", offset, length);
-        return piex::Error::kFail;
-    }
-    return piex::Error::kOk;
-}
-
-bool FileStream::exists() const {
-    return mFile != NULL;
-}
-
-bool GetExifFromRawImage(
-        piex::StreamInterface* stream, const String8& filename,
-        piex::PreviewImageData& image_data) {
-    // Reset the PreviewImageData to its default.
-    image_data = piex::PreviewImageData();
-
-    if (!piex::IsRaw(stream)) {
-        // Format not supported.
-        ALOGV("Format not supported: %s", filename.string());
-        return false;
-    }
-
-    piex::Error err = piex::GetPreviewImageData(stream, &image_data);
-
-    if (err != piex::Error::kOk) {
-        // The input data seems to be broken.
-        ALOGV("Raw image not detected: %s (piex error code: %d)", filename.string(), (int32_t)err);
-        return false;
-    }
-
-    return true;
-}
-
-bool ConvertKeyValueArraysToKeyedVector(
-        JNIEnv *env, jobjectArray keys, jobjectArray values,
-        KeyedVector<String8, String8>* keyedVector) {
-
-    int nKeyValuePairs = 0;
-    bool failed = false;
-    if (keys != NULL && values != NULL) {
-        nKeyValuePairs = env->GetArrayLength(keys);
-        failed = (nKeyValuePairs != env->GetArrayLength(values));
-    }
-
-    if (!failed) {
-        failed = ((keys != NULL && values == NULL) ||
-                  (keys == NULL && values != NULL));
-    }
-
-    if (failed) {
-        ALOGE("keys and values arrays have different length");
-        jniThrowException(env, "java/lang/IllegalArgumentException", NULL);
-        return false;
-    }
-
-    for (int i = 0; i < nKeyValuePairs; ++i) {
-        // No need to check on the ArrayIndexOutOfBoundsException, since
-        // it won't happen here.
-        jstring key = (jstring) env->GetObjectArrayElement(keys, i);
-        jstring value = (jstring) env->GetObjectArrayElement(values, i);
-
-        const char* keyStr = env->GetStringUTFChars(key, NULL);
-        if (!keyStr) {  // OutOfMemoryError
-            return false;
-        }
-
-        const char* valueStr = env->GetStringUTFChars(value, NULL);
-        if (!valueStr) {  // OutOfMemoryError
-            env->ReleaseStringUTFChars(key, keyStr);
-            return false;
-        }
-
-        keyedVector->add(String8(keyStr), String8(valueStr));
-
-        env->ReleaseStringUTFChars(key, keyStr);
-        env->ReleaseStringUTFChars(value, valueStr);
-        env->DeleteLocalRef(key);
-        env->DeleteLocalRef(value);
-    }
-    return true;
-}
-
-static jobject makeIntegerObject(JNIEnv *env, int32_t value) {
-    ScopedLocalRef<jclass> clazz(env, env->FindClass("java/lang/Integer"));
-    CHECK(clazz.get() != NULL);
-
-    jmethodID integerConstructID =
-        env->GetMethodID(clazz.get(), "<init>", "(I)V");
-    CHECK(integerConstructID != NULL);
-
-    return env->NewObject(clazz.get(), integerConstructID, value);
-}
-
-static jobject makeLongObject(JNIEnv *env, int64_t value) {
-    ScopedLocalRef<jclass> clazz(env, env->FindClass("java/lang/Long"));
-    CHECK(clazz.get() != NULL);
-
-    jmethodID longConstructID = env->GetMethodID(clazz.get(), "<init>", "(J)V");
-    CHECK(longConstructID != NULL);
-
-    return env->NewObject(clazz.get(), longConstructID, value);
-}
-
-static jobject makeFloatObject(JNIEnv *env, float value) {
-    ScopedLocalRef<jclass> clazz(env, env->FindClass("java/lang/Float"));
-    CHECK(clazz.get() != NULL);
-
-    jmethodID floatConstructID =
-        env->GetMethodID(clazz.get(), "<init>", "(F)V");
-    CHECK(floatConstructID != NULL);
-
-    return env->NewObject(clazz.get(), floatConstructID, value);
-}
-
-static jobject makeByteBufferObject(
-        JNIEnv *env, const void *data, size_t size) {
-    jbyteArray byteArrayObj = env->NewByteArray(size);
-    env->SetByteArrayRegion(byteArrayObj, 0, size, (const jbyte *)data);
-
-    ScopedLocalRef<jclass> clazz(env, env->FindClass("java/nio/ByteBuffer"));
-    CHECK(clazz.get() != NULL);
-
-    jmethodID byteBufWrapID =
-        env->GetStaticMethodID(
-                clazz.get(), "wrap", "([B)Ljava/nio/ByteBuffer;");
-    CHECK(byteBufWrapID != NULL);
-
-    jobject byteBufObj = env->CallStaticObjectMethod(
-            clazz.get(), byteBufWrapID, byteArrayObj);
-
-    env->DeleteLocalRef(byteArrayObj); byteArrayObj = NULL;
-
-    return byteBufObj;
-}
-
-static void SetMapInt32(
-        JNIEnv *env, jobject hashMapObj, jmethodID hashMapPutID,
-        const char *key, int32_t value) {
-    jstring keyObj = env->NewStringUTF(key);
-    jobject valueObj = makeIntegerObject(env, value);
-
-    env->CallObjectMethod(hashMapObj, hashMapPutID, keyObj, valueObj);
-
-    env->DeleteLocalRef(valueObj); valueObj = NULL;
-    env->DeleteLocalRef(keyObj); keyObj = NULL;
-}
-
-status_t ConvertMessageToMap(
-        JNIEnv *env, const sp<AMessage> &msg, jobject *map) {
-    ScopedLocalRef<jclass> hashMapClazz(
-            env, env->FindClass("java/util/HashMap"));
-
-    if (hashMapClazz.get() == NULL) {
-        return -EINVAL;
-    }
-
-    jmethodID hashMapConstructID =
-        env->GetMethodID(hashMapClazz.get(), "<init>", "()V");
-
-    if (hashMapConstructID == NULL) {
-        return -EINVAL;
-    }
-
-    jmethodID hashMapPutID =
-        env->GetMethodID(
-                hashMapClazz.get(),
-                "put",
-                "(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;");
-
-    if (hashMapPutID == NULL) {
-        return -EINVAL;
-    }
-
-    jobject hashMap = env->NewObject(hashMapClazz.get(), hashMapConstructID);
-
-    for (size_t i = 0; i < msg->countEntries(); ++i) {
-        AMessage::Type valueType;
-        const char *key = msg->getEntryNameAt(i, &valueType);
-
-        if (!strncmp(key, "android._", 9)) {
-            // don't expose private keys (starting with android._)
-            continue;
-        }
-
-        jobject valueObj = NULL;
-
-        switch (valueType) {
-            case AMessage::kTypeInt32:
-            {
-                int32_t val;
-                CHECK(msg->findInt32(key, &val));
-
-                valueObj = makeIntegerObject(env, val);
-                break;
-            }
-
-            case AMessage::kTypeInt64:
-            {
-                int64_t val;
-                CHECK(msg->findInt64(key, &val));
-
-                valueObj = makeLongObject(env, val);
-                break;
-            }
-
-            case AMessage::kTypeFloat:
-            {
-                float val;
-                CHECK(msg->findFloat(key, &val));
-
-                valueObj = makeFloatObject(env, val);
-                break;
-            }
-
-            case AMessage::kTypeString:
-            {
-                AString val;
-                CHECK(msg->findString(key, &val));
-
-                valueObj = env->NewStringUTF(val.c_str());
-                break;
-            }
-
-            case AMessage::kTypeBuffer:
-            {
-                sp<ABuffer> buffer;
-                CHECK(msg->findBuffer(key, &buffer));
-
-                valueObj = makeByteBufferObject(
-                        env, buffer->data(), buffer->size());
-                break;
-            }
-
-            case AMessage::kTypeRect:
-            {
-                int32_t left, top, right, bottom;
-                CHECK(msg->findRect(key, &left, &top, &right, &bottom));
-
-                SetMapInt32(
-                        env,
-                        hashMap,
-                        hashMapPutID,
-                        AStringPrintf("%s-left", key).c_str(),
-                        left);
-
-                SetMapInt32(
-                        env,
-                        hashMap,
-                        hashMapPutID,
-                        AStringPrintf("%s-top", key).c_str(),
-                        top);
-
-                SetMapInt32(
-                        env,
-                        hashMap,
-                        hashMapPutID,
-                        AStringPrintf("%s-right", key).c_str(),
-                        right);
-
-                SetMapInt32(
-                        env,
-                        hashMap,
-                        hashMapPutID,
-                        AStringPrintf("%s-bottom", key).c_str(),
-                        bottom);
-                break;
-            }
-
-            default:
-                break;
-        }
-
-        if (valueObj != NULL) {
-            jstring keyObj = env->NewStringUTF(key);
-
-            env->CallObjectMethod(hashMap, hashMapPutID, keyObj, valueObj);
-
-            env->DeleteLocalRef(keyObj); keyObj = NULL;
-            env->DeleteLocalRef(valueObj); valueObj = NULL;
-        }
-    }
-
-    *map = hashMap;
-
-    return OK;
-}
-
-status_t ConvertKeyValueArraysToMessage(
-        JNIEnv *env, jobjectArray keys, jobjectArray values,
-        sp<AMessage> *out) {
-    ScopedLocalRef<jclass> stringClass(env, env->FindClass("java/lang/String"));
-    CHECK(stringClass.get() != NULL);
-    ScopedLocalRef<jclass> integerClass(env, env->FindClass("java/lang/Integer"));
-    CHECK(integerClass.get() != NULL);
-    ScopedLocalRef<jclass> longClass(env, env->FindClass("java/lang/Long"));
-    CHECK(longClass.get() != NULL);
-    ScopedLocalRef<jclass> floatClass(env, env->FindClass("java/lang/Float"));
-    CHECK(floatClass.get() != NULL);
-    ScopedLocalRef<jclass> byteBufClass(env, env->FindClass("java/nio/ByteBuffer"));
-    CHECK(byteBufClass.get() != NULL);
-
-    sp<AMessage> msg = new AMessage;
-
-    jsize numEntries = 0;
-
-    if (keys != NULL) {
-        if (values == NULL) {
-            return -EINVAL;
-        }
-
-        numEntries = env->GetArrayLength(keys);
-
-        if (numEntries != env->GetArrayLength(values)) {
-            return -EINVAL;
-        }
-    } else if (values != NULL) {
-        return -EINVAL;
-    }
-
-    for (jsize i = 0; i < numEntries; ++i) {
-        jobject keyObj = env->GetObjectArrayElement(keys, i);
-
-        if (!env->IsInstanceOf(keyObj, stringClass.get())) {
-            return -EINVAL;
-        }
-
-        const char *tmp = env->GetStringUTFChars((jstring)keyObj, NULL);
-
-        if (tmp == NULL) {
-            return -ENOMEM;
-        }
-
-        AString key = tmp;
-
-        env->ReleaseStringUTFChars((jstring)keyObj, tmp);
-        tmp = NULL;
-
-        if (key.startsWith("android._")) {
-            // don't propagate private keys (starting with android._)
-            continue;
-        }
-
-        jobject valueObj = env->GetObjectArrayElement(values, i);
-
-        if (env->IsInstanceOf(valueObj, stringClass.get())) {
-            const char *value = env->GetStringUTFChars((jstring)valueObj, NULL);
-
-            if (value == NULL) {
-                return -ENOMEM;
-            }
-
-            msg->setString(key.c_str(), value);
-
-            env->ReleaseStringUTFChars((jstring)valueObj, value);
-            value = NULL;
-        } else if (env->IsInstanceOf(valueObj, integerClass.get())) {
-            jmethodID intValueID =
-                env->GetMethodID(integerClass.get(), "intValue", "()I");
-            CHECK(intValueID != NULL);
-
-            jint value = env->CallIntMethod(valueObj, intValueID);
-
-            msg->setInt32(key.c_str(), value);
-        } else if (env->IsInstanceOf(valueObj, longClass.get())) {
-            jmethodID longValueID =
-                env->GetMethodID(longClass.get(), "longValue", "()J");
-            CHECK(longValueID != NULL);
-
-            jlong value = env->CallLongMethod(valueObj, longValueID);
-
-            msg->setInt64(key.c_str(), value);
-        } else if (env->IsInstanceOf(valueObj, floatClass.get())) {
-            jmethodID floatValueID =
-                env->GetMethodID(floatClass.get(), "floatValue", "()F");
-            CHECK(floatValueID != NULL);
-
-            jfloat value = env->CallFloatMethod(valueObj, floatValueID);
-
-            msg->setFloat(key.c_str(), value);
-        } else if (env->IsInstanceOf(valueObj, byteBufClass.get())) {
-            jmethodID positionID =
-                env->GetMethodID(byteBufClass.get(), "position", "()I");
-            CHECK(positionID != NULL);
-
-            jmethodID limitID =
-                env->GetMethodID(byteBufClass.get(), "limit", "()I");
-            CHECK(limitID != NULL);
-
-            jint position = env->CallIntMethod(valueObj, positionID);
-            jint limit = env->CallIntMethod(valueObj, limitID);
-
-            sp<ABuffer> buffer = new ABuffer(limit - position);
-
-            void *data = env->GetDirectBufferAddress(valueObj);
-
-            if (data != NULL) {
-                memcpy(buffer->data(),
-                       (const uint8_t *)data + position,
-                       buffer->size());
-            } else {
-                jmethodID arrayID =
-                    env->GetMethodID(byteBufClass.get(), "array", "()[B");
-                CHECK(arrayID != NULL);
-
-                jbyteArray byteArray =
-                    (jbyteArray)env->CallObjectMethod(valueObj, arrayID);
-                CHECK(byteArray != NULL);
-
-                env->GetByteArrayRegion(
-                        byteArray,
-                        position,
-                        buffer->size(),
-                        (jbyte *)buffer->data());
-
-                env->DeleteLocalRef(byteArray); byteArray = NULL;
-            }
-
-            msg->setBuffer(key.c_str(), buffer);
-        }
-    }
-
-    *out = msg;
-
-    return OK;
-}
-
 // -----------Utility functions used by ImageReader/Writer JNI-----------------
 
 enum {
diff --git a/media/jni/android_media_Utils.h b/media/jni/android_media_Utils.h
index 821c6b2..24f1610 100644
--- a/media/jni/android_media_Utils.h
+++ b/media/jni/android_media_Utils.h
@@ -17,100 +17,10 @@
 #ifndef _ANDROID_MEDIA_UTILS_H_
 #define _ANDROID_MEDIA_UTILS_H_
 
-#include "src/piex_types.h"
-#include "src/piex.h"
-
-#include <android_runtime/AndroidRuntime.h>
 #include <gui/CpuConsumer.h>
-#include <jni.h>
-#include <nativehelper/JNIHelp.h>
-#include <utils/KeyedVector.h>
-#include <utils/String8.h>
-#include <SkStream.h>
 
 namespace android {
 
-class AssetStream : public piex::StreamInterface {
-private:
-    SkStream *mStream;
-    size_t mPosition;
-
-public:
-    explicit AssetStream(SkStream* stream);
-    ~AssetStream();
-
-    // Reads 'length' amount of bytes from 'offset' to 'data'. The 'data' buffer
-    // provided by the caller, guaranteed to be at least "length" bytes long.
-    // On 'kOk' the 'data' pointer contains 'length' valid bytes beginning at
-    // 'offset' bytes from the start of the stream.
-    // Returns 'kFail' if 'offset' + 'length' exceeds the stream and does not
-    // change the contents of 'data'.
-    piex::Error GetData(
-            const size_t offset, const size_t length, std::uint8_t* data) override;
-};
-
-class BufferedStream : public piex::StreamInterface {
-private:
-    SkStream *mStream;
-    // Growable memory stream
-    SkDynamicMemoryWStream mStreamBuffer;
-
-    // Minimum size to read on filling the buffer.
-    const size_t kMinSizeToRead = 8192;
-
-public:
-    explicit BufferedStream(SkStream* stream);
-    ~BufferedStream();
-
-    // Reads 'length' amount of bytes from 'offset' to 'data'. The 'data' buffer
-    // provided by the caller, guaranteed to be at least "length" bytes long.
-    // On 'kOk' the 'data' pointer contains 'length' valid bytes beginning at
-    // 'offset' bytes from the start of the stream.
-    // Returns 'kFail' if 'offset' + 'length' exceeds the stream and does not
-    // change the contents of 'data'.
-    piex::Error GetData(
-            const size_t offset, const size_t length, std::uint8_t* data) override;
-};
-
-class FileStream : public piex::StreamInterface {
-private:
-    FILE *mFile;
-    size_t mPosition;
-
-public:
-    explicit FileStream(const int fd);
-    explicit FileStream(const String8 filename);
-    ~FileStream();
-
-    // Reads 'length' amount of bytes from 'offset' to 'data'. The 'data' buffer
-    // provided by the caller, guaranteed to be at least "length" bytes long.
-    // On 'kOk' the 'data' pointer contains 'length' valid bytes beginning at
-    // 'offset' bytes from the start of the stream.
-    // Returns 'kFail' if 'offset' + 'length' exceeds the stream and does not
-    // change the contents of 'data'.
-    piex::Error GetData(
-            const size_t offset, const size_t length, std::uint8_t* data) override;
-    bool exists() const;
-};
-
-// Reads EXIF metadata from a given raw image via piex.
-// And returns true if the operation is successful; otherwise, false.
-bool GetExifFromRawImage(
-        piex::StreamInterface* stream, const String8& filename, piex::PreviewImageData& image_data);
-
-// Returns true if the conversion is successful; otherwise, false.
-bool ConvertKeyValueArraysToKeyedVector(
-        JNIEnv *env, jobjectArray keys, jobjectArray values,
-        KeyedVector<String8, String8>* vector);
-
-struct AMessage;
-status_t ConvertMessageToMap(
-        JNIEnv *env, const sp<AMessage> &msg, jobject *map);
-
-status_t ConvertKeyValueArraysToMessage(
-        JNIEnv *env, jobjectArray keys, jobjectArray values,
-        sp<AMessage> *msg);
-
 // -----------Utility functions used by ImageReader/Writer JNI-----------------
 
 typedef CpuConsumer::LockedBuffer LockedImage;
diff --git a/media/jni/android_mtp_MtpDatabase.cpp b/media/jni/android_mtp_MtpDatabase.cpp
index 213c3d9..a6c5fc8 100644
--- a/media/jni/android_mtp_MtpDatabase.cpp
+++ b/media/jni/android_mtp_MtpDatabase.cpp
@@ -18,7 +18,7 @@
 #include "utils/Log.h"
 #include "utils/String8.h"
 
-#include "android_media_Utils.h"
+#include "android_media_Streams.h"
 #include "mtp.h"
 #include "IMtpDatabase.h"
 #include "MtpDataPacket.h"
diff --git a/packages/CaptivePortalLogin/AndroidManifest.xml b/packages/CaptivePortalLogin/AndroidManifest.xml
index 2a43238..a5f3b88fe 100644
--- a/packages/CaptivePortalLogin/AndroidManifest.xml
+++ b/packages/CaptivePortalLogin/AndroidManifest.xml
@@ -21,6 +21,7 @@
     android:versionCode="10"
     android:versionName="Q-initial">
 
+    <uses-sdk android:minSdkVersion="28" android:targetSdkVersion="28" />
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
     <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
diff --git a/packages/ExtServices/tests/Android.mk b/packages/ExtServices/tests/Android.mk
index 0a95b85..36e573a 100644
--- a/packages/ExtServices/tests/Android.mk
+++ b/packages/ExtServices/tests/Android.mk
@@ -8,9 +8,9 @@
 LOCAL_JAVA_LIBRARIES := android.test.runner android.test.base
 
 LOCAL_STATIC_JAVA_LIBRARIES := \
-    android-support-test \
+    androidx.test.rules \
     mockito-target-minus-junit4 \
-    espresso-core \
+    androidx.test.espresso.core \
     truth-prebuilt \
     testables
 
diff --git a/packages/ExtServices/tests/AndroidManifest.xml b/packages/ExtServices/tests/AndroidManifest.xml
index ddf725b..42293b5 100644
--- a/packages/ExtServices/tests/AndroidManifest.xml
+++ b/packages/ExtServices/tests/AndroidManifest.xml
@@ -23,7 +23,7 @@
         <uses-library android:name="android.test.runner" />
     </application>
 
-    <instrumentation android:name="android.support.test.runner.AndroidJUnitRunner"
+    <instrumentation android:name="androidx.test.runner.AndroidJUnitRunner"
                      android:targetPackage="android.ext.services"
                      android:label="ExtServices Test Cases">
     </instrumentation>
diff --git a/packages/ExtServices/tests/AndroidTest.xml b/packages/ExtServices/tests/AndroidTest.xml
index c3d32de..cd26ebc 100644
--- a/packages/ExtServices/tests/AndroidTest.xml
+++ b/packages/ExtServices/tests/AndroidTest.xml
@@ -23,7 +23,7 @@
     <option name="test-tag" value="ExtServicesUnitTests" />
     <test class="com.android.tradefed.testtype.AndroidJUnitTest" >
         <option name="package" value="android.ext.services.tests.unit" />
-        <option name="runner" value="android.support.test.runner.AndroidJUnitRunner" />
+        <option name="runner" value="androidx.test.runner.AndroidJUnitRunner" />
         <option name="hidden-api-checks" value="false"/>
     </test>
 </configuration>
\ No newline at end of file
diff --git a/packages/ExtServices/tests/src/android/ext/services/notification/AssistantTest.java b/packages/ExtServices/tests/src/android/ext/services/notification/AssistantTest.java
index a6b6a6b..6ef25e5 100644
--- a/packages/ExtServices/tests/src/android/ext/services/notification/AssistantTest.java
+++ b/packages/ExtServices/tests/src/android/ext/services/notification/AssistantTest.java
@@ -21,6 +21,7 @@
 import static android.app.NotificationManager.IMPORTANCE_MIN;
 
 import static junit.framework.Assert.assertEquals;
+
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.never;
@@ -33,7 +34,6 @@
 import android.app.Notification;
 import android.app.NotificationChannel;
 import android.content.ContentResolver;
-import android.content.IContentProvider;
 import android.content.Intent;
 import android.os.UserHandle;
 import android.provider.Settings;
@@ -43,11 +43,11 @@
 import android.service.notification.NotificationListenerService.RankingMap;
 import android.service.notification.NotificationStats;
 import android.service.notification.StatusBarNotification;
-import android.support.test.InstrumentationRegistry;
 import android.test.ServiceTestCase;
 import android.testing.TestableContext;
 import android.util.AtomicFile;
-import android.util.Xml;
+
+import androidx.test.InstrumentationRegistry;
 
 import com.android.internal.util.FastXmlSerializer;
 
@@ -57,7 +57,6 @@
 import org.mockito.ArgumentCaptor;
 import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
-import org.xmlpull.v1.XmlPullParser;
 import org.xmlpull.v1.XmlSerializer;
 
 import java.io.BufferedInputStream;
diff --git a/packages/NetworkStack/AndroidManifest.xml b/packages/NetworkStack/AndroidManifest.xml
index 90521de..740c573 100644
--- a/packages/NetworkStack/AndroidManifest.xml
+++ b/packages/NetworkStack/AndroidManifest.xml
@@ -21,6 +21,7 @@
           android:sharedUserId="android.uid.networkstack"
           android:versionCode="10"
           android:versionName="Q-initial">
+    <uses-sdk android:minSdkVersion="28" android:targetSdkVersion="28" />
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
diff --git a/packages/NetworkStack/tests/Android.bp b/packages/NetworkStack/tests/Android.bp
index 5c7b514..f22b647 100644
--- a/packages/NetworkStack/tests/Android.bp
+++ b/packages/NetworkStack/tests/Android.bp
@@ -21,7 +21,7 @@
     test_suites: ["device-tests"],
     resource_dirs: ["res"],
     static_libs: [
-        "android-support-test",
+        "androidx.test.rules",
         "frameworks-base-testutils",
         "mockito-target-extended-minus-junit4",
         "NetworkStackLib",
diff --git a/packages/NetworkStack/tests/AndroidManifest.xml b/packages/NetworkStack/tests/AndroidManifest.xml
index 9cb2c21..5dcf6ff 100644
--- a/packages/NetworkStack/tests/AndroidManifest.xml
+++ b/packages/NetworkStack/tests/AndroidManifest.xml
@@ -47,7 +47,7 @@
     <application android:debuggable="true">
         <uses-library android:name="android.test.runner" />
     </application>
-    <instrumentation android:name="android.support.test.runner.AndroidJUnitRunner"
+    <instrumentation android:name="androidx.test.runner.AndroidJUnitRunner"
         android:targetPackage="com.android.server.networkstack.tests"
         android:label="Networking service tests">
     </instrumentation>
diff --git a/packages/NetworkStack/tests/AndroidTest.xml b/packages/NetworkStack/tests/AndroidTest.xml
index 6b08b57..047bc2e 100644
--- a/packages/NetworkStack/tests/AndroidTest.xml
+++ b/packages/NetworkStack/tests/AndroidTest.xml
@@ -23,7 +23,7 @@
     <option name="test-tag" value="NetworkStackTests" />
     <test class="com.android.tradefed.testtype.AndroidJUnitTest" >
         <option name="package" value="com.android.server.networkstack.tests" />
-        <option name="runner" value="android.support.test.runner.AndroidJUnitRunner" />
+        <option name="runner" value="androidx.test.runner.AndroidJUnitRunner" />
         <option name="hidden-api-checks" value="false"/>
     </test>
 </configuration>
\ No newline at end of file
diff --git a/packages/NetworkStack/tests/src/android/net/apf/ApfTest.java b/packages/NetworkStack/tests/src/android/net/apf/ApfTest.java
index 3414397..88a05d5 100644
--- a/packages/NetworkStack/tests/src/android/net/apf/ApfTest.java
+++ b/packages/NetworkStack/tests/src/android/net/apf/ApfTest.java
@@ -53,14 +53,15 @@
 import android.os.ConditionVariable;
 import android.os.Parcelable;
 import android.os.SystemClock;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.system.ErrnoException;
 import android.system.Os;
 import android.text.format.DateUtils;
 import android.util.Log;
 
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.internal.util.HexDump;
 import com.android.server.networkstack.tests.R;
 import com.android.server.util.NetworkStackConstants;
diff --git a/packages/NetworkStack/tests/src/android/net/dhcp/DhcpLeaseRepositoryTest.java b/packages/NetworkStack/tests/src/android/net/dhcp/DhcpLeaseRepositoryTest.java
index 4abd77e..27d7255 100644
--- a/packages/NetworkStack/tests/src/android/net/dhcp/DhcpLeaseRepositoryTest.java
+++ b/packages/NetworkStack/tests/src/android/net/dhcp/DhcpLeaseRepositoryTest.java
@@ -31,16 +31,15 @@
 import static org.junit.Assert.fail;
 import static org.mockito.Mockito.when;
 
-import static java.lang.String.format;
-
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.net.IpPrefix;
 import android.net.MacAddress;
 import android.net.dhcp.DhcpServer.Clock;
 import android.net.util.SharedLog;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Before;
 import org.junit.Test;
@@ -48,6 +47,8 @@
 import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
 
+import static java.lang.String.format;
+
 import java.net.Inet4Address;
 import java.util.Arrays;
 import java.util.Collections;
diff --git a/packages/NetworkStack/tests/src/android/net/dhcp/DhcpPacketTest.java b/packages/NetworkStack/tests/src/android/net/dhcp/DhcpPacketTest.java
index 7544e72..4d98403 100644
--- a/packages/NetworkStack/tests/src/android/net/dhcp/DhcpPacketTest.java
+++ b/packages/NetworkStack/tests/src/android/net/dhcp/DhcpPacketTest.java
@@ -48,8 +48,9 @@
 import android.net.LinkAddress;
 import android.net.NetworkUtils;
 import android.net.metrics.DhcpErrorEvent;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.internal.util.HexDump;
 
@@ -324,7 +325,7 @@
     @Test
     public void testOffer1() throws Exception {
         // TODO: Turn all of these into golden files. This will probably require using
-        // android.support.test.InstrumentationRegistry for obtaining a Context object
+        // androidx.test.InstrumentationRegistry for obtaining a Context object
         // to read such golden files, along with an appropriate Android.mk.
         final ByteBuffer packet = ByteBuffer.wrap(HexDump.hexStringToByteArray(
             // IP header.
diff --git a/packages/NetworkStack/tests/src/android/net/dhcp/DhcpServerTest.java b/packages/NetworkStack/tests/src/android/net/dhcp/DhcpServerTest.java
index d4c1e2e..7d5e9e3 100644
--- a/packages/NetworkStack/tests/src/android/net/dhcp/DhcpServerTest.java
+++ b/packages/NetworkStack/tests/src/android/net/dhcp/DhcpServerTest.java
@@ -51,11 +51,12 @@
 import android.net.dhcp.DhcpServer.Dependencies;
 import android.net.util.SharedLog;
 import android.os.HandlerThread;
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper;
 import android.testing.TestableLooper.RunWithLooper;
 
+import androidx.test.filters.SmallTest;
+
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
diff --git a/packages/NetworkStack/tests/src/android/net/dhcp/DhcpServingParamsTest.java b/packages/NetworkStack/tests/src/android/net/dhcp/DhcpServingParamsTest.java
index 1004382..57a87a4 100644
--- a/packages/NetworkStack/tests/src/android/net/dhcp/DhcpServingParamsTest.java
+++ b/packages/NetworkStack/tests/src/android/net/dhcp/DhcpServingParamsTest.java
@@ -29,8 +29,9 @@
 import android.net.LinkAddress;
 import android.net.dhcp.DhcpServingParams.InvalidParameterException;
 import android.net.shared.Inet4AddressUtils;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Before;
 import org.junit.Test;
diff --git a/packages/NetworkStack/tests/src/android/net/ip/IpClientTest.java b/packages/NetworkStack/tests/src/android/net/ip/IpClientTest.java
index aaaff02..1990229 100644
--- a/packages/NetworkStack/tests/src/android/net/ip/IpClientTest.java
+++ b/packages/NetworkStack/tests/src/android/net/ip/IpClientTest.java
@@ -47,10 +47,11 @@
 import android.net.shared.ProvisioningConfiguration;
 import android.net.util.InterfaceParams;
 import android.provider.Settings;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.test.mock.MockContentResolver;
 
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.internal.R;
 import com.android.internal.util.test.FakeSettingsProvider;
 import com.android.server.NetworkObserver;
diff --git a/packages/NetworkStack/tests/src/android/net/ip/IpReachabilityMonitorTest.java b/packages/NetworkStack/tests/src/android/net/ip/IpReachabilityMonitorTest.java
index e3b5ddf..64b168a 100644
--- a/packages/NetworkStack/tests/src/android/net/ip/IpReachabilityMonitorTest.java
+++ b/packages/NetworkStack/tests/src/android/net/ip/IpReachabilityMonitorTest.java
@@ -24,8 +24,9 @@
 import android.net.util.SharedLog;
 import android.os.Handler;
 import android.os.Looper;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Before;
 import org.junit.Test;
@@ -33,7 +34,6 @@
 import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
 
-
 /**
  * Tests for IpReachabilityMonitor.
  */
diff --git a/packages/NetworkStack/tests/src/android/net/util/ConnectivityPacketSummaryTest.java b/packages/NetworkStack/tests/src/android/net/util/ConnectivityPacketSummaryTest.java
index dfaf52a..71be8b3 100644
--- a/packages/NetworkStack/tests/src/android/net/util/ConnectivityPacketSummaryTest.java
+++ b/packages/NetworkStack/tests/src/android/net/util/ConnectivityPacketSummaryTest.java
@@ -20,8 +20,9 @@
 import static org.junit.Assert.assertTrue;
 
 import android.net.MacAddress;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import libcore.util.HexEncoding;
 
diff --git a/packages/NetworkStack/tests/src/android/net/util/PacketReaderTest.java b/packages/NetworkStack/tests/src/android/net/util/PacketReaderTest.java
index 6e11c40..289dcad 100644
--- a/packages/NetworkStack/tests/src/android/net/util/PacketReaderTest.java
+++ b/packages/NetworkStack/tests/src/android/net/util/PacketReaderTest.java
@@ -31,12 +31,13 @@
 
 import android.os.Handler;
 import android.os.HandlerThread;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.system.ErrnoException;
 import android.system.Os;
 import android.system.StructTimeval;
 
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
diff --git a/packages/NetworkStack/tests/src/com/android/server/connectivity/NetworkMonitorTest.java b/packages/NetworkStack/tests/src/com/android/server/connectivity/NetworkMonitorTest.java
index ddb7030..04b906b 100644
--- a/packages/NetworkStack/tests/src/com/android/server/connectivity/NetworkMonitorTest.java
+++ b/packages/NetworkStack/tests/src/com/android/server/connectivity/NetworkMonitorTest.java
@@ -60,12 +60,13 @@
 import android.os.Handler;
 import android.os.SystemClock;
 import android.provider.Settings;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.telephony.CellSignalStrength;
 import android.telephony.TelephonyManager;
 import android.util.ArrayMap;
 
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -82,7 +83,6 @@
 
 import javax.net.ssl.SSLHandshakeException;
 
-
 @RunWith(AndroidJUnit4.class)
 @SmallTest
 public class NetworkMonitorTest {
diff --git a/packages/NetworkStack/tests/src/com/android/server/util/SharedLogTest.java b/packages/NetworkStack/tests/src/com/android/server/util/SharedLogTest.java
index 07ad3123..b1db051 100644
--- a/packages/NetworkStack/tests/src/com/android/server/util/SharedLogTest.java
+++ b/packages/NetworkStack/tests/src/com/android/server/util/SharedLogTest.java
@@ -20,8 +20,9 @@
 import static org.junit.Assert.assertTrue;
 
 import android.net.util.SharedLog;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/packages/NetworkStackPermissionStub/AndroidManifest.xml b/packages/NetworkStackPermissionStub/AndroidManifest.xml
index ba8a178..62bf3de 100644
--- a/packages/NetworkStackPermissionStub/AndroidManifest.xml
+++ b/packages/NetworkStackPermissionStub/AndroidManifest.xml
@@ -21,6 +21,7 @@
     android:sharedUserId="android.uid.networkstack"
     android:versionCode="10"
     android:versionName="Q-initial">
+    <uses-sdk android:minSdkVersion="28" android:targetSdkVersion="28" />
     <!--
     This package only exists to define the below permissions, and enforce that they are only
     granted to apps sharing the same signature.
@@ -36,4 +37,4 @@
                 android:protectionLevel="signature"/>
 
     <application android:name="com.android.server.NetworkStackPermissionStub"/>
-</manifest>
\ No newline at end of file
+</manifest>
diff --git a/packages/SystemUI/shared/tests/Android.mk b/packages/SystemUI/shared/tests/Android.mk
index 02774c9..34069ef 100644
--- a/packages/SystemUI/shared/tests/Android.mk
+++ b/packages/SystemUI/shared/tests/Android.mk
@@ -35,7 +35,7 @@
 LOCAL_STATIC_JAVA_LIBRARIES := \
 	SystemUISharedLib \
     metrics-helper-lib \
-    android-support-test \
+    androidx.test.rules \
     mockito-target-inline-minus-junit4 \
     SystemUI-proto \
     SystemUI-tags \
diff --git a/packages/SystemUI/shared/tests/src/com/android/systemui/shared/SysuiSharedLibTestCase.java b/packages/SystemUI/shared/tests/src/com/android/systemui/shared/SysuiSharedLibTestCase.java
index 04b341e..4f4d878 100644
--- a/packages/SystemUI/shared/tests/src/com/android/systemui/shared/SysuiSharedLibTestCase.java
+++ b/packages/SystemUI/shared/tests/src/com/android/systemui/shared/SysuiSharedLibTestCase.java
@@ -20,7 +20,8 @@
 import android.os.Handler;
 import android.os.Looper;
 import android.os.MessageQueue;
-import android.support.test.InstrumentationRegistry;
+
+import androidx.test.InstrumentationRegistry;
 
 import org.junit.After;
 import org.junit.Before;
diff --git a/packages/SystemUI/shared/tests/src/com/android/systemui/shared/recents/model/HighResThumbnailLoaderTest.java b/packages/SystemUI/shared/tests/src/com/android/systemui/shared/recents/model/HighResThumbnailLoaderTest.java
index 3b647c1..e7f3388 100644
--- a/packages/SystemUI/shared/tests/src/com/android/systemui/shared/recents/model/HighResThumbnailLoaderTest.java
+++ b/packages/SystemUI/shared/tests/src/com/android/systemui/shared/recents/model/HighResThumbnailLoaderTest.java
@@ -26,10 +26,10 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-import android.content.ComponentName;
 import android.os.Looper;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.systemui.shared.SysuiSharedLibTestCase;
 import com.android.systemui.shared.recents.model.Task.TaskKey;
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarIconControllerImpl.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarIconControllerImpl.java
index 24a5896..72da591 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarIconControllerImpl.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarIconControllerImpl.java
@@ -43,6 +43,7 @@
 import java.io.FileDescriptor;
 import java.io.PrintWriter;
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.List;
 
 import static com.android.systemui.statusbar.phone.StatusBarIconController.TAG_PRIMARY;
@@ -121,7 +122,7 @@
         // Remove all the icons.
         for (int i = currentSlots.size() - 1; i >= 0; i--) {
             Slot s = currentSlots.get(i);
-            slotsToReAdd.put(s, s.getHolderListInViewOrder());
+            slotsToReAdd.put(s, s.getHolderList());
             removeAllIconsForSlot(s.getName());
         }
 
@@ -200,6 +201,10 @@
         Slot mobileSlot = getSlot(slot);
         int slotIndex = getSlotIndex(slot);
 
+        // Reverse the sort order to show icons with left to right([Slot1][Slot2]..).
+        // StatusBarIconList has UI design that first items go to the right of second items.
+        Collections.reverse(iconStates);
+
         for (MobileIconState state : iconStates) {
             StatusBarIconHolder holder = mobileSlot.getHolderForTag(state.subId);
             if (holder == null) {
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarIconList.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarIconList.java
index b7e1cfb..fc41225 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarIconList.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarIconList.java
@@ -249,6 +249,25 @@
             return holders;
         }
 
+        /**
+         * Build a list of the {@link StatusBarIconHolder}s in the same order.
+         * This provides a safe list that can be iterated and inserted into its group.
+         *
+         * @return all holders contained here
+         */
+        public List<StatusBarIconHolder> getHolderList() {
+            ArrayList<StatusBarIconHolder> holders = new ArrayList<>();
+            if (mHolder != null) {
+                holders.add(mHolder);
+            }
+
+            if (mSubSlots != null) {
+                holders.addAll(mSubSlots);
+            }
+
+            return holders;
+        }
+
         @Override
         public String toString() {
             return String.format("(%s) %s", mName, subSlotsString());
diff --git a/packages/SystemUI/tests/Android.mk b/packages/SystemUI/tests/Android.mk
index 9ee5532..aa3d2d3 100644
--- a/packages/SystemUI/tests/Android.mk
+++ b/packages/SystemUI/tests/Android.mk
@@ -39,7 +39,8 @@
 
 LOCAL_STATIC_JAVA_LIBRARIES := \
     metrics-helper-lib \
-    android-support-test \
+    androidx.test.rules \
+    hamcrest-library \
     mockito-target-inline-minus-junit4 \
     testables \
     truth-prebuilt \
diff --git a/packages/SystemUI/tests/src/com/android/AAAPlusPlusVerifySysuiRequiredTestPropertiesTest.java b/packages/SystemUI/tests/src/com/android/AAAPlusPlusVerifySysuiRequiredTestPropertiesTest.java
index fe23541..1472243 100644
--- a/packages/SystemUI/tests/src/com/android/AAAPlusPlusVerifySysuiRequiredTestPropertiesTest.java
+++ b/packages/SystemUI/tests/src/com/android/AAAPlusPlusVerifySysuiRequiredTestPropertiesTest.java
@@ -16,22 +16,22 @@
 
 import static org.junit.Assert.assertFalse;
 
-import android.support.test.filters.LargeTest;
-import android.support.test.filters.MediumTest;
-import android.support.test.filters.SmallTest;
-import android.support.test.internal.runner.ClassPathScanner;
-import android.support.test.internal.runner.ClassPathScanner.ChainedClassNameFilter;
-import android.support.test.internal.runner.ClassPathScanner.ExternalClassNameFilter;
 import android.testing.AndroidTestingRunner;
 import android.text.TextUtils;
 import android.util.Log;
 
+import androidx.test.filters.LargeTest;
+import androidx.test.filters.MediumTest;
+import androidx.test.filters.SmallTest;
+import androidx.test.internal.runner.ClassPathScanner;
+import androidx.test.internal.runner.ClassPathScanner.ChainedClassNameFilter;
+import androidx.test.internal.runner.ClassPathScanner.ExternalClassNameFilter;
+
 import com.android.systemui.SysuiBaseFragmentTest;
 import com.android.systemui.SysuiTestCase;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.junit.internal.builders.AllDefaultPossibilitiesBuilder;
 
 import java.io.IOException;
 import java.lang.reflect.Method;
diff --git a/packages/SystemUI/tests/src/com/android/keyguard/KeyguardClockAccessibilityDelegateTest.java b/packages/SystemUI/tests/src/com/android/keyguard/KeyguardClockAccessibilityDelegateTest.java
index e37ea95..dcafa72 100644
--- a/packages/SystemUI/tests/src/com/android/keyguard/KeyguardClockAccessibilityDelegateTest.java
+++ b/packages/SystemUI/tests/src/com/android/keyguard/KeyguardClockAccessibilityDelegateTest.java
@@ -20,12 +20,13 @@
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
 
-import android.support.test.filters.SmallTest;
 import android.text.TextUtils;
 import android.view.accessibility.AccessibilityEvent;
 import android.view.accessibility.AccessibilityNodeInfo;
 import android.widget.TextView;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.systemui.SysuiTestCase;
 
 import org.junit.Before;
diff --git a/packages/SystemUI/tests/src/com/android/keyguard/KeyguardPinBasedInputViewTest.java b/packages/SystemUI/tests/src/com/android/keyguard/KeyguardPinBasedInputViewTest.java
index 359832f..d1a1ad6 100644
--- a/packages/SystemUI/tests/src/com/android/keyguard/KeyguardPinBasedInputViewTest.java
+++ b/packages/SystemUI/tests/src/com/android/keyguard/KeyguardPinBasedInputViewTest.java
@@ -21,12 +21,13 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.verifyZeroInteractions;
 
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper.RunWithLooper;
 import android.view.KeyEvent;
 import android.view.LayoutInflater;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.systemui.SysuiTestCase;
 
 import org.junit.Before;
diff --git a/packages/SystemUI/tests/src/com/android/keyguard/KeyguardSecurityContainerTest.java b/packages/SystemUI/tests/src/com/android/keyguard/KeyguardSecurityContainerTest.java
index fcf327b..8db195a 100644
--- a/packages/SystemUI/tests/src/com/android/keyguard/KeyguardSecurityContainerTest.java
+++ b/packages/SystemUI/tests/src/com/android/keyguard/KeyguardSecurityContainerTest.java
@@ -16,19 +16,18 @@
 
 package com.android.keyguard;
 
-import org.junit.Test;
-import org.junit.runner.RunWith;
-
 import android.content.Context;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.test.UiThreadTest;
-import android.util.Log;
 import android.view.LayoutInflater;
-import android.view.View;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.systemui.SysuiTestCase;
 
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
 @SmallTest
 @RunWith(AndroidJUnit4.class)
 public class KeyguardSecurityContainerTest extends SysuiTestCase {
diff --git a/packages/SystemUI/tests/src/com/android/systemui/BatteryMeterDrawableTest.java b/packages/SystemUI/tests/src/com/android/systemui/BatteryMeterDrawableTest.java
index e1f56a47..d1573c3 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/BatteryMeterDrawableTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/BatteryMeterDrawableTest.java
@@ -16,8 +16,6 @@
 
 package com.android.systemui;
 
-import com.android.settingslib.graph.BatteryMeterDrawableBase;
-
 import static org.mockito.Mockito.any;
 import static org.mockito.Mockito.anyFloat;
 import static org.mockito.Mockito.anyString;
@@ -30,9 +28,12 @@
 
 import android.content.res.Resources;
 import android.graphics.Canvas;
-import android.support.test.runner.AndroidJUnit4;
 import android.test.suitebuilder.annotation.SmallTest;
 
+import androidx.test.runner.AndroidJUnit4;
+
+import com.android.settingslib.graph.BatteryMeterDrawableBase;
+
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/DependencyTest.java b/packages/SystemUI/tests/src/com/android/systemui/DependencyTest.java
index 3426e11..5513a54 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/DependencyTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/DependencyTest.java
@@ -21,7 +21,8 @@
 import static org.mockito.Mockito.verify;
 
 import android.os.Looper;
-import android.support.test.filters.SmallTest;
+
+import androidx.test.filters.SmallTest;
 
 import com.android.systemui.Dependency.DependencyKey;
 import com.android.systemui.statusbar.policy.FlashlightController;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/ExpandHelperTest.java b/packages/SystemUI/tests/src/com/android/systemui/ExpandHelperTest.java
index 08c4235..4d14c05 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/ExpandHelperTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/ExpandHelperTest.java
@@ -16,15 +16,18 @@
 
 package com.android.systemui;
 
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
 import android.animation.ObjectAnimator;
 import android.content.Context;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.annotation.UiThreadTest;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper.RunWithLooper;
 
+import androidx.test.annotation.UiThreadTest;
+import androidx.test.filters.SmallTest;
+
 import com.android.systemui.statusbar.ExpandableNotificationRow;
 import com.android.systemui.statusbar.NotificationTestHelper;
 
@@ -32,10 +35,6 @@
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
-import static org.mockito.ArgumentMatchers.any;
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.when;
-
 @SmallTest
 @RunWith(AndroidTestingRunner.class)
 @RunWithLooper(setAsMainLooper = true)
diff --git a/packages/SystemUI/tests/src/com/android/systemui/ForegroundServiceControllerTest.java b/packages/SystemUI/tests/src/com/android/systemui/ForegroundServiceControllerTest.java
index f278a17..4090b1d 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/ForegroundServiceControllerTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/ForegroundServiceControllerTest.java
@@ -30,10 +30,11 @@
 import android.os.Bundle;
 import android.os.UserHandle;
 import android.service.notification.StatusBarNotification;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.widget.RemoteViews;
 
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.internal.messages.nano.SystemMessageProto;
 
 import org.junit.Before;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/ScreenDecorationsTest.java b/packages/SystemUI/tests/src/com/android/systemui/ScreenDecorationsTest.java
index cc96917..1b9d283 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/ScreenDecorationsTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/ScreenDecorationsTest.java
@@ -20,8 +20,8 @@
 import static com.android.systemui.tuner.TunablePadding.FLAG_START;
 
 import static org.hamcrest.Matchers.is;
-import static org.junit.Assert.assertThat;
 import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertThat;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.anyInt;
 import static org.mockito.ArgumentMatchers.anyString;
@@ -36,7 +36,6 @@
 import android.app.Fragment;
 import android.content.res.Configuration;
 import android.os.Handler;
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper;
 import android.testing.TestableLooper.RunWithLooper;
@@ -44,6 +43,8 @@
 import android.view.View;
 import android.view.WindowManager;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.systemui.R.dimen;
 import com.android.systemui.ScreenDecorations.TunablePaddingTagListener;
 import com.android.systemui.fragments.FragmentHostManager;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/SliceBroadcastRelayHandlerTest.java b/packages/SystemUI/tests/src/com/android/systemui/SliceBroadcastRelayHandlerTest.java
index 383db05..c6e85c3 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/SliceBroadcastRelayHandlerTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/SliceBroadcastRelayHandlerTest.java
@@ -29,9 +29,10 @@
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.net.Uri;
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.settingslib.SliceBroadcastRelay;
 
 import org.junit.Test;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/SysuiBaseFragmentTest.java b/packages/SystemUI/tests/src/com/android/systemui/SysuiBaseFragmentTest.java
index b6335f3..256cfb2 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/SysuiBaseFragmentTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/SysuiBaseFragmentTest.java
@@ -19,10 +19,11 @@
 
 import android.app.Fragment;
 import android.app.Instrumentation;
-import android.support.test.InstrumentationRegistry;
 import android.testing.BaseFragmentTest;
 import android.testing.DexmakerShareClassLoaderRule;
 
+import androidx.test.InstrumentationRegistry;
+
 import com.android.systemui.utils.leaks.LeakCheckedTest;
 import com.android.systemui.utils.leaks.LeakCheckedTest.SysuiLeakCheck;
 
diff --git a/packages/SystemUI/tests/src/com/android/systemui/SysuiTestCase.java b/packages/SystemUI/tests/src/com/android/systemui/SysuiTestCase.java
index a35ca46..4ad103c 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/SysuiTestCase.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/SysuiTestCase.java
@@ -23,11 +23,12 @@
 import android.os.Looper;
 import android.os.MessageQueue;
 import android.os.ParcelFileDescriptor;
-import android.support.test.InstrumentationRegistry;
 import android.testing.DexmakerShareClassLoaderRule;
 import android.testing.LeakCheck;
 import android.util.Log;
 
+import androidx.test.InstrumentationRegistry;
+
 import com.android.keyguard.KeyguardUpdateMonitor;
 
 import org.junit.After;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/colorextraction/SysuiColorExtractorTests.java b/packages/SystemUI/tests/src/com/android/systemui/colorextraction/SysuiColorExtractorTests.java
index 13dc36d..1649f98 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/colorextraction/SysuiColorExtractorTests.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/colorextraction/SysuiColorExtractorTests.java
@@ -22,8 +22,9 @@
 import android.app.WallpaperColors;
 import android.app.WallpaperManager;
 import android.graphics.Color;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.internal.colorextraction.ColorExtractor;
 import com.android.systemui.SysuiTestCase;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/doze/AlwaysOnDisplayPolicyTest.java b/packages/SystemUI/tests/src/com/android/systemui/doze/AlwaysOnDisplayPolicyTest.java
index 0bbdeb5..ec9acdf 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/doze/AlwaysOnDisplayPolicyTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/doze/AlwaysOnDisplayPolicyTest.java
@@ -19,10 +19,11 @@
 import static com.google.common.truth.Truth.assertThat;
 
 import android.provider.Settings;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.text.format.DateUtils;
 
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.systemui.R;
 import com.android.systemui.SysuiTestCase;
 
diff --git a/packages/SystemUI/tests/src/com/android/systemui/doze/DozeConfigurationTest.java b/packages/SystemUI/tests/src/com/android/systemui/doze/DozeConfigurationTest.java
index bb67d6e..3062b8f 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/doze/DozeConfigurationTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/doze/DozeConfigurationTest.java
@@ -20,8 +20,9 @@
 
 import android.os.UserHandle;
 import android.provider.Settings;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.internal.hardware.AmbientDisplayConfiguration;
 import com.android.systemui.SysuiTestCase;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/doze/DozeMachineTest.java b/packages/SystemUI/tests/src/com/android/systemui/doze/DozeMachineTest.java
index 368c814f..43836de 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/doze/DozeMachineTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/doze/DozeMachineTest.java
@@ -28,8 +28,8 @@
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
-import static org.mockito.ArgumentMatchers.anyInt;
 import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.anyInt;
 import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.doAnswer;
 import static org.mockito.Mockito.mock;
@@ -38,16 +38,15 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
-import android.view.Display;
+import android.testing.UiThreadTest;
+
+import androidx.test.filters.SmallTest;
 
 import com.android.internal.hardware.AmbientDisplayConfiguration;
 import com.android.systemui.SysuiTestCase;
 import com.android.systemui.util.wakelock.WakeLockFake;
 
-import android.testing.UiThreadTest;
-
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/doze/DozeScreenBrightnessTest.java b/packages/SystemUI/tests/src/com/android/systemui/doze/DozeScreenBrightnessTest.java
index 5e12781..912a95a 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/doze/DozeScreenBrightnessTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/doze/DozeScreenBrightnessTest.java
@@ -28,14 +28,13 @@
 import static com.android.systemui.doze.DozeMachine.State.UNINITIALIZED;
 
 import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotEquals;
-import static org.junit.Assert.assertThat;
 import static org.junit.Assert.assertTrue;
 
 import android.os.PowerManager;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.systemui.SysuiTestCase;
 import com.android.systemui.utils.hardware.FakeSensorManager;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/doze/DozeScreenStatePreventingAdapterTest.java b/packages/SystemUI/tests/src/com/android/systemui/doze/DozeScreenStatePreventingAdapterTest.java
index a17a95f..903e4a1 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/doze/DozeScreenStatePreventingAdapterTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/doze/DozeScreenStatePreventingAdapterTest.java
@@ -22,9 +22,10 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-import android.support.test.filters.SmallTest;
 import android.view.Display;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.systemui.SysuiTestCase;
 import com.android.systemui.statusbar.phone.DozeParameters;
 
diff --git a/packages/SystemUI/tests/src/com/android/systemui/doze/DozeScreenStateTest.java b/packages/SystemUI/tests/src/com/android/systemui/doze/DozeScreenStateTest.java
index b6039b6..bfd448a 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/doze/DozeScreenStateTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/doze/DozeScreenStateTest.java
@@ -30,19 +30,16 @@
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertThat;
 import static org.junit.Assert.assertTrue;
-import static org.mockito.Mockito.never;
-import static org.mockito.Mockito.reset;
-import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
 import android.os.Looper;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.view.Display;
 
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.systemui.SysuiTestCase;
 import com.android.systemui.statusbar.phone.DozeParameters;
-import com.android.systemui.util.wakelock.WakeLock;
 import com.android.systemui.util.wakelock.WakeLockFake;
 import com.android.systemui.utils.os.FakeHandler;
 
diff --git a/packages/SystemUI/tests/src/com/android/systemui/doze/DozeSuspendScreenStatePreventingAdapterTest.java b/packages/SystemUI/tests/src/com/android/systemui/doze/DozeSuspendScreenStatePreventingAdapterTest.java
index ed93561..fac58a0 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/doze/DozeSuspendScreenStatePreventingAdapterTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/doze/DozeSuspendScreenStatePreventingAdapterTest.java
@@ -22,9 +22,10 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-import android.support.test.filters.SmallTest;
 import android.view.Display;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.systemui.SysuiTestCase;
 import com.android.systemui.statusbar.phone.DozeParameters;
 
diff --git a/packages/SystemUI/tests/src/com/android/systemui/doze/DozeTriggersTest.java b/packages/SystemUI/tests/src/com/android/systemui/doze/DozeTriggersTest.java
index c2da7f5..e18b625 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/doze/DozeTriggersTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/doze/DozeTriggersTest.java
@@ -27,11 +27,12 @@
 import android.app.Instrumentation;
 import android.os.Handler;
 import android.os.Looper;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper.RunWithLooper;
 
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+
 import com.android.internal.hardware.AmbientDisplayConfiguration;
 import com.android.systemui.SysuiTestCase;
 import com.android.systemui.statusbar.phone.DozeParameters;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/doze/DozeUiTest.java b/packages/SystemUI/tests/src/com/android/systemui/doze/DozeUiTest.java
index 0d8d952..25231bc 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/doze/DozeUiTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/doze/DozeUiTest.java
@@ -27,19 +27,17 @@
 import static org.mockito.ArgumentMatchers.anyLong;
 import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.clearInvocations;
-import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.never;
 import static org.mockito.Mockito.reset;
-import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
 import android.app.AlarmManager;
 import android.os.Handler;
 import android.os.HandlerThread;
-import android.os.PowerManager;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.keyguard.KeyguardUpdateMonitor;
 import com.android.systemui.SysuiTestCase;
@@ -47,7 +45,6 @@
 import com.android.systemui.util.wakelock.WakeLockFake;
 
 import org.junit.After;
-import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -172,4 +169,4 @@
         mDozeUi.transitionTo(UNINITIALIZED, DOZE);
         verify(mHost).setAnimateWakeup(eq(false));
     }
-}
\ No newline at end of file
+}
diff --git a/packages/SystemUI/tests/src/com/android/systemui/doze/DozeWallpaperStateTest.java b/packages/SystemUI/tests/src/com/android/systemui/doze/DozeWallpaperStateTest.java
index 6ac4462..1ea2e29 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/doze/DozeWallpaperStateTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/doze/DozeWallpaperStateTest.java
@@ -18,16 +18,15 @@
 
 import static org.mockito.ArgumentMatchers.anyBoolean;
 import static org.mockito.ArgumentMatchers.eq;
-import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.reset;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
 import android.app.IWallpaperManager;
 import android.os.RemoteException;
-import android.support.test.filters.SmallTest;
 
-import com.android.keyguard.KeyguardUpdateMonitor;
+import androidx.test.filters.SmallTest;
+
 import com.android.systemui.SysuiTestCase;
 import com.android.systemui.statusbar.phone.DozeParameters;
 
diff --git a/packages/SystemUI/tests/src/com/android/systemui/keyguard/DismissCallbackRegistryTest.java b/packages/SystemUI/tests/src/com/android/systemui/keyguard/DismissCallbackRegistryTest.java
index 308670d..d35fc30 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/keyguard/DismissCallbackRegistryTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/keyguard/DismissCallbackRegistryTest.java
@@ -19,12 +19,11 @@
 import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
 
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.internal.policy.IKeyguardDismissCallback;
 import com.android.systemui.SysuiTestCase;
-import com.android.systemui.UiOffloadThread;
 
 import org.junit.Before;
 import org.junit.Test;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/keyguard/KeyguardSliceProviderTest.java b/packages/SystemUI/tests/src/com/android/systemui/keyguard/KeyguardSliceProviderTest.java
index 46e2bfb..7ae7aa4 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/keyguard/KeyguardSliceProviderTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/keyguard/KeyguardSliceProviderTest.java
@@ -19,25 +19,28 @@
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.anyString;
 import static org.mockito.ArgumentMatchers.eq;
-import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.never;
 import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.when;
 
 import android.app.AlarmManager;
 import android.content.ContentResolver;
 import android.content.Intent;
 import android.net.Uri;
 import android.provider.Settings;
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper;
 import android.testing.TestableLooper.RunWithLooper;
-import android.util.Log;
+
+import androidx.slice.Slice;
+import androidx.slice.SliceItem;
+import androidx.slice.SliceProvider;
+import androidx.slice.SliceSpecs;
+import androidx.slice.builders.ListBuilder;
+import androidx.slice.core.SliceQuery;
+import androidx.test.filters.SmallTest;
 
 import com.android.systemui.SysuiTestCase;
-import com.android.systemui.statusbar.policy.ZenModeController;
 
 import org.junit.Assert;
 import org.junit.Before;
@@ -50,13 +53,6 @@
 import java.util.HashSet;
 import java.util.concurrent.TimeUnit;
 
-import androidx.slice.Slice;
-import androidx.slice.SliceItem;
-import androidx.slice.SliceProvider;
-import androidx.slice.SliceSpecs;
-import androidx.slice.builders.ListBuilder;
-import androidx.slice.core.SliceQuery;
-
 @SmallTest
 @RunWith(AndroidTestingRunner.class)
 @RunWithLooper(setAsMainLooper = true)
diff --git a/packages/SystemUI/tests/src/com/android/systemui/keyguard/LifecycleTest.java b/packages/SystemUI/tests/src/com/android/systemui/keyguard/LifecycleTest.java
index e0807d6..50914c8 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/keyguard/LifecycleTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/keyguard/LifecycleTest.java
@@ -19,9 +19,10 @@
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
 
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.systemui.SysuiTestCase;
 
 import org.junit.Before;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/keyguard/ScreenLifecycleTest.java b/packages/SystemUI/tests/src/com/android/systemui/keyguard/ScreenLifecycleTest.java
index 8c918f6..06e597e 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/keyguard/ScreenLifecycleTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/keyguard/ScreenLifecycleTest.java
@@ -21,9 +21,10 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.verifyNoMoreInteractions;
 
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.systemui.SysuiTestCase;
 
 import org.junit.Before;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/keyguard/WakefulnessLifecycleTest.java b/packages/SystemUI/tests/src/com/android/systemui/keyguard/WakefulnessLifecycleTest.java
index 9eba9b8..1dc4150 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/keyguard/WakefulnessLifecycleTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/keyguard/WakefulnessLifecycleTest.java
@@ -22,9 +22,10 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.verifyNoMoreInteractions;
 
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.systemui.SysuiTestCase;
 
 import org.junit.Before;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/keyguard/WorkLockActivityControllerTest.java b/packages/SystemUI/tests/src/com/android/systemui/keyguard/WorkLockActivityControllerTest.java
index cf32760..7ccf905 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/keyguard/WorkLockActivityControllerTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/keyguard/WorkLockActivityControllerTest.java
@@ -16,13 +16,13 @@
 
 package com.android.systemui.keyguard;
 
+import static org.mockito.Matchers.any;
+import static org.mockito.Matchers.anyInt;
+import static org.mockito.Matchers.argThat;
 import static org.mockito.Mockito.doReturn;
 import static org.mockito.Mockito.eq;
 import static org.mockito.Mockito.never;
 import static org.mockito.Mockito.verify;
-import static org.mockito.Matchers.any;
-import static org.mockito.Matchers.anyInt;
-import static org.mockito.Matchers.argThat;
 
 import android.app.Activity;
 import android.app.ActivityManager;
@@ -36,8 +36,9 @@
 import android.os.Bundle;
 import android.os.IBinder;
 import android.os.UserHandle;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.systemui.SysuiTestCase;
 import com.android.systemui.recents.misc.SysUiTaskStackChangeListener;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/keyguard/WorkLockActivityTest.java b/packages/SystemUI/tests/src/com/android/systemui/keyguard/WorkLockActivityTest.java
index 9f3573f..6e726cf 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/keyguard/WorkLockActivityTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/keyguard/WorkLockActivityTest.java
@@ -17,13 +17,11 @@
 package com.android.systemui.keyguard;
 
 import static android.app.ActivityManager.TaskDescription;
+
 import static org.junit.Assert.assertEquals;
 import static org.mockito.Mockito.eq;
 import static org.mockito.Mockito.when;
 
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
-
 import android.annotation.ColorInt;
 import android.annotation.UserIdInt;
 import android.app.KeyguardManager;
@@ -33,6 +31,9 @@
 import android.graphics.Color;
 import android.os.Looper;
 
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.systemui.SysuiTestCase;
 import com.android.systemui.keyguard.WorkLockActivity;
 
diff --git a/packages/SystemUI/tests/src/com/android/systemui/pip/phone/PipTouchStateTest.java b/packages/SystemUI/tests/src/com/android/systemui/pip/phone/PipTouchStateTest.java
index b7c1e8e..3155e57 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/pip/phone/PipTouchStateTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/pip/phone/PipTouchStateTest.java
@@ -26,13 +26,14 @@
 import android.os.Handler;
 import android.os.Looper;
 import android.os.SystemClock;
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper;
 import android.testing.TestableLooper.RunWithLooper;
 import android.view.MotionEvent;
 import android.view.ViewConfiguration;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.systemui.SysuiTestCase;
 
 import org.junit.Before;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/plugins/PluginInstanceManagerTest.java b/packages/SystemUI/tests/src/com/android/systemui/plugins/PluginInstanceManagerTest.java
index 04441ab..0045d9d 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/plugins/PluginInstanceManagerTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/plugins/PluginInstanceManagerTest.java
@@ -17,6 +17,7 @@
 import static junit.framework.Assert.assertFalse;
 import static junit.framework.Assert.assertNotNull;
 import static junit.framework.Assert.assertTrue;
+
 import static org.mockito.Matchers.any;
 import static org.mockito.Matchers.anyInt;
 import static org.mockito.Matchers.eq;
@@ -25,19 +26,6 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-import com.android.internal.messages.nano.SystemMessageProto.SystemMessage;
-import com.android.systemui.SysuiTestCase;
-import com.android.systemui.plugins.PluginInstanceManager.PluginInfo;
-import com.android.systemui.plugins.VersionInfo.InvalidVersionException;
-import com.android.systemui.plugins.annotations.Requires;
-
-import org.junit.After;
-import org.junit.Before;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.mockito.ArgumentCaptor;
-import org.mockito.Mockito;
-
 import android.app.Activity;
 import android.app.NotificationManager;
 import android.content.BroadcastReceiver;
@@ -52,10 +40,24 @@
 import android.content.pm.ServiceInfo;
 import android.os.HandlerThread;
 import android.os.UserHandle;
-import android.support.test.annotation.UiThreadTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.test.suitebuilder.annotation.SmallTest;
 
+import androidx.test.annotation.UiThreadTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import com.android.internal.messages.nano.SystemMessageProto.SystemMessage;
+import com.android.systemui.SysuiTestCase;
+import com.android.systemui.plugins.PluginInstanceManager.PluginInfo;
+import com.android.systemui.plugins.VersionInfo.InvalidVersionException;
+import com.android.systemui.plugins.annotations.Requires;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.ArgumentCaptor;
+import org.mockito.Mockito;
+
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/plugins/PluginManagerTest.java b/packages/SystemUI/tests/src/com/android/systemui/plugins/PluginManagerTest.java
index 94dbc2a..dfbb855 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/plugins/PluginManagerTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/plugins/PluginManagerTest.java
@@ -26,8 +26,6 @@
 import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.net.Uri;
-import android.support.test.annotation.UiThreadTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.test.suitebuilder.annotation.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper;
@@ -36,11 +34,10 @@
 import com.android.internal.messages.nano.SystemMessageProto.SystemMessage;
 import com.android.systemui.Dependency;
 import com.android.systemui.SysuiTestCase;
-import com.android.systemui.plugins.annotations.ProvidesInterface;
 import com.android.systemui.plugins.PluginInstanceManager.PluginInfo;
 import com.android.systemui.plugins.PluginManagerImpl.PluginInstanceManagerFactory;
+import com.android.systemui.plugins.annotations.ProvidesInterface;
 
-import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/plugins/VersionInfoTest.java b/packages/SystemUI/tests/src/com/android/systemui/plugins/VersionInfoTest.java
index 0b4d9b5..6a2f739 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/plugins/VersionInfoTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/plugins/VersionInfoTest.java
@@ -17,13 +17,13 @@
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
 
-import android.support.test.filters.SmallTest;
+import androidx.test.filters.SmallTest;
 
 import com.android.systemui.SysuiTestCase;
 import com.android.systemui.plugins.VersionInfo.InvalidVersionException;
 import com.android.systemui.plugins.annotations.Requires;
-import com.android.systemui.plugins.qs.QS;
 import com.android.systemui.plugins.qs.DetailAdapter;
+import com.android.systemui.plugins.qs.QS;
 import com.android.systemui.plugins.qs.QS.HeightListener;
 
 import org.junit.Rule;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/power/PowerNotificationWarningsTest.java b/packages/SystemUI/tests/src/com/android/systemui/power/PowerNotificationWarningsTest.java
index bf6cc53..47a969b 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/power/PowerNotificationWarningsTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/power/PowerNotificationWarningsTest.java
@@ -16,9 +16,6 @@
 
 package com.android.systemui.power;
 
-import static android.test.MoreAsserts.assertNotEqual;
-
-import static junit.framework.Assert.assertEquals;
 import static junit.framework.Assert.assertFalse;
 import static junit.framework.Assert.assertTrue;
 
@@ -31,14 +28,14 @@
 
 import android.app.Notification;
 import android.app.NotificationManager;
-import android.support.test.runner.AndroidJUnit4;
 import android.test.suitebuilder.annotation.SmallTest;
 
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.internal.messages.nano.SystemMessageProto.SystemMessage;
 import com.android.systemui.SysuiTestCase;
 import com.android.systemui.util.NotificationChannels;
 
-import java.util.concurrent.TimeUnit;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/qs/AutoAddTrackerTest.java b/packages/SystemUI/tests/src/com/android/systemui/qs/AutoAddTrackerTest.java
index dfc1852..0ae9461 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/qs/AutoAddTrackerTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/qs/AutoAddTrackerTest.java
@@ -22,10 +22,11 @@
 import static org.junit.Assert.assertTrue;
 
 import android.provider.Settings.Secure;
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper.RunWithLooper;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.systemui.Prefs;
 import com.android.systemui.Prefs.Key;
 import com.android.systemui.SysuiTestCase;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/qs/QSDetailTest.java b/packages/SystemUI/tests/src/com/android/systemui/qs/QSDetailTest.java
index f845f3a..8879e83 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/qs/QSDetailTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/qs/QSDetailTest.java
@@ -23,7 +23,6 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper;
 import android.testing.TestableLooper.RunWithLooper;
@@ -31,6 +30,8 @@
 import android.view.LayoutInflater;
 import android.view.View;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.internal.logging.MetricsLogger;
 import com.android.systemui.R;
 import com.android.systemui.SysuiTestCase;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/qs/QSFooterImplTest.java b/packages/SystemUI/tests/src/com/android/systemui/qs/QSFooterImplTest.java
index 703b4d5..d963689 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/qs/QSFooterImplTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/qs/QSFooterImplTest.java
@@ -20,13 +20,14 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper;
 import android.testing.TestableLooper.RunWithLooper;
 import android.view.LayoutInflater;
 import android.view.View;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.systemui.R;
 import com.android.systemui.R.id;
 import com.android.systemui.plugins.ActivityStarter;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/qs/QSFragmentTest.java b/packages/SystemUI/tests/src/com/android/systemui/qs/QSFragmentTest.java
index 8cece92..8a27f12 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/qs/QSFragmentTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/qs/QSFragmentTest.java
@@ -18,37 +18,31 @@
 import static org.junit.Assert.assertTrue;
 import static org.mockito.Mockito.mock;
 
-import android.app.FragmentController;
-import android.app.FragmentManagerNonConfig;
+import android.content.Context;
 import android.os.Looper;
-import android.support.test.filters.FlakyTest;
+import android.testing.AndroidTestingRunner;
+import android.testing.LayoutInflaterBuilder;
+import android.testing.TestableLooper;
+import android.testing.TestableLooper.RunWithLooper;
+import android.view.View;
+import android.widget.FrameLayout;
+
+import androidx.test.filters.SmallTest;
 
 import com.android.internal.logging.MetricsLogger;
 import com.android.keyguard.CarrierText;
 import com.android.systemui.Dependency;
 import com.android.systemui.R;
-
-import android.os.Parcelable;
-import android.support.test.filters.SmallTest;
-import android.testing.AndroidTestingRunner;
-
 import com.android.systemui.SysuiBaseFragmentTest;
 import com.android.systemui.statusbar.phone.StatusBarIconController;
 import com.android.systemui.statusbar.policy.Clock;
 import com.android.systemui.statusbar.policy.UserSwitcherController;
-import android.testing.LayoutInflaterBuilder;
-import android.testing.TestableLooper;
-import android.testing.TestableLooper.RunWithLooper;
 
 import org.junit.Before;
 import org.junit.Ignore;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
-import android.content.Context;
-import android.view.View;
-import android.widget.FrameLayout;
-
 @RunWith(AndroidTestingRunner.class)
 @RunWithLooper(setAsMainLooper = true)
 @SmallTest
diff --git a/packages/SystemUI/tests/src/com/android/systemui/qs/QSPanelTest.java b/packages/SystemUI/tests/src/com/android/systemui/qs/QSPanelTest.java
index 85cdfcc..973a5e9e 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/qs/QSPanelTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/qs/QSPanelTest.java
@@ -19,11 +19,12 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper;
 import android.testing.TestableLooper.RunWithLooper;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.internal.logging.MetricsLogger;
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.systemui.SysuiTestCase;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/qs/SlashImageViewTest.java b/packages/SystemUI/tests/src/com/android/systemui/qs/SlashImageViewTest.java
index e2159d2..ea8c64a 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/qs/SlashImageViewTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/qs/SlashImageViewTest.java
@@ -16,26 +16,25 @@
 
 package com.android.systemui.qs;
 
-import android.content.Context;
-import android.graphics.drawable.Drawable;
-import android.support.test.filters.SmallTest;
-import android.testing.AndroidTestingRunner;
-import android.testing.TestableLooper.RunWithLooper;
-import com.android.systemui.SysuiTestCase;
-import com.android.systemui.plugins.qs.QSTile.SlashState;
-import com.android.systemui.qs.tileimpl.SlashImageView;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-
-import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
-import static org.mockito.ArgumentMatchers.anyInt;
 import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.never;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
+import android.content.Context;
+import android.graphics.drawable.Drawable;
+import android.testing.AndroidTestingRunner;
+import android.testing.TestableLooper.RunWithLooper;
+
+import androidx.test.filters.SmallTest;
+
+import com.android.systemui.SysuiTestCase;
+import com.android.systemui.plugins.qs.QSTile.SlashState;
+import com.android.systemui.qs.tileimpl.SlashImageView;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
 
 @SmallTest
 @RunWith(AndroidTestingRunner.class)
diff --git a/packages/SystemUI/tests/src/com/android/systemui/qs/TileLayoutTest.java b/packages/SystemUI/tests/src/com/android/systemui/qs/TileLayoutTest.java
index 2040e75..fef47bd 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/qs/TileLayoutTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/qs/TileLayoutTest.java
@@ -27,12 +27,12 @@
 import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
 
-import android.support.test.runner.AndroidJUnit4;
 import android.test.suitebuilder.annotation.SmallTest;
 
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.systemui.R;
 import com.android.systemui.SysuiTestCase;
-import com.android.systemui.plugins.qs.QSIconView;
 import com.android.systemui.plugins.qs.QSTile;
 import com.android.systemui.qs.tileimpl.QSIconViewImpl;
 import com.android.systemui.qs.tileimpl.QSTileView;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/qs/TouchAnimatorTest.java b/packages/SystemUI/tests/src/com/android/systemui/qs/TouchAnimatorTest.java
index 4cc0e20..c43c3e6 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/qs/TouchAnimatorTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/qs/TouchAnimatorTest.java
@@ -14,17 +14,20 @@
 
 package com.android.systemui.qs;
 
-import android.support.test.runner.AndroidJUnit4;
+import static junit.framework.Assert.assertEquals;
+
 import android.test.suitebuilder.annotation.SmallTest;
 import android.view.View;
-import com.android.systemui.qs.TouchAnimator.Listener;
-import com.android.systemui.SysuiTestCase;
-import org.junit.Before;
-import org.junit.runner.RunWith;
-import org.junit.Test;
-import org.mockito.Mockito;
 
-import static junit.framework.Assert.assertEquals;
+import androidx.test.runner.AndroidJUnit4;
+
+import com.android.systemui.SysuiTestCase;
+import com.android.systemui.qs.TouchAnimator.Listener;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mockito;
 
 @SmallTest
 @RunWith(AndroidJUnit4.class)
diff --git a/packages/SystemUI/tests/src/com/android/systemui/qs/car/CarQsFragmentTest.java b/packages/SystemUI/tests/src/com/android/systemui/qs/car/CarQsFragmentTest.java
index c3defa4..24a0b69 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/qs/car/CarQsFragmentTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/qs/car/CarQsFragmentTest.java
@@ -17,7 +17,6 @@
 import static org.mockito.Mockito.mock;
 
 import android.content.Context;
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.LayoutInflaterBuilder;
 import android.testing.TestableLooper;
@@ -25,6 +24,8 @@
 import android.view.View;
 import android.widget.FrameLayout;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.keyguard.CarrierText;
 import com.android.systemui.Dependency;
 import com.android.systemui.SysuiBaseFragmentTest;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/qs/customize/TileAdapterTest.java b/packages/SystemUI/tests/src/com/android/systemui/qs/customize/TileAdapterTest.java
index 0239ab0..25bac7a 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/qs/customize/TileAdapterTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/qs/customize/TileAdapterTest.java
@@ -18,11 +18,12 @@
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.verify;
 
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper;
 import android.testing.TestableLooper.RunWithLooper;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.systemui.SysuiTestCase;
 import com.android.systemui.qs.QSTileHost;
 
diff --git a/packages/SystemUI/tests/src/com/android/systemui/qs/customize/TileQueryHelperTest.java b/packages/SystemUI/tests/src/com/android/systemui/qs/customize/TileQueryHelperTest.java
index f63d236..c10ad58 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/qs/customize/TileQueryHelperTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/qs/customize/TileQueryHelperTest.java
@@ -14,7 +14,6 @@
 
 package com.android.systemui.qs.customize;
 
-import static junit.framework.Assert.assertEquals;
 import static junit.framework.Assert.assertTrue;
 
 import static org.junit.Assert.assertFalse;
@@ -23,11 +22,12 @@
 import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
 
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper;
 import android.testing.TestableLooper.RunWithLooper;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.systemui.Dependency;
 import com.android.systemui.SysuiTestCase;
 import com.android.systemui.qs.QSTileHost;
@@ -38,8 +38,6 @@
 import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
 
-import java.util.ArrayList;
-
 @SmallTest
 @RunWith(AndroidTestingRunner.class)
 @RunWithLooper
diff --git a/packages/SystemUI/tests/src/com/android/systemui/qs/external/TileColorPickerTest.java b/packages/SystemUI/tests/src/com/android/systemui/qs/external/TileColorPickerTest.java
index ba451e1..ec8552b 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/qs/external/TileColorPickerTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/qs/external/TileColorPickerTest.java
@@ -15,17 +15,20 @@
  */
 package com.android.systemui.qs.external;
 
+import static junit.framework.Assert.assertEquals;
+
 import android.content.res.ColorStateList;
 import android.service.quicksettings.Tile;
-import android.support.test.runner.AndroidJUnit4;
 import android.test.suitebuilder.annotation.SmallTest;
+
+import androidx.test.runner.AndroidJUnit4;
+
+import com.android.systemui.R;
 import com.android.systemui.SysuiTestCase;
+
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import com.android.systemui.R;
-
-import static junit.framework.Assert.assertEquals;
 
 @SmallTest
 @RunWith(AndroidJUnit4.class)
diff --git a/packages/SystemUI/tests/src/com/android/systemui/qs/external/TileLifecycleManagerTest.java b/packages/SystemUI/tests/src/com/android/systemui/qs/external/TileLifecycleManagerTest.java
index e5e8ae3..f35295c 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/qs/external/TileLifecycleManagerTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/qs/external/TileLifecycleManagerTest.java
@@ -40,9 +40,10 @@
 import android.service.quicksettings.IQSTileService;
 import android.service.quicksettings.Tile;
 import android.service.quicksettings.TileService;
-import android.support.test.runner.AndroidJUnit4;
 import android.test.suitebuilder.annotation.SmallTest;
 
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.systemui.SysuiTestCase;
 
 import org.junit.After;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/qs/external/TileServiceManagerTest.java b/packages/SystemUI/tests/src/com/android/systemui/qs/external/TileServiceManagerTest.java
index cc743245..683e8f4 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/qs/external/TileServiceManagerTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/qs/external/TileServiceManagerTest.java
@@ -15,12 +15,19 @@
  */
 package com.android.systemui.qs.external;
 
+import static junit.framework.Assert.assertEquals;
+import static junit.framework.Assert.assertFalse;
+import static junit.framework.Assert.assertTrue;
+
 import android.content.ComponentName;
 import android.os.Handler;
 import android.os.HandlerThread;
-import android.support.test.runner.AndroidJUnit4;
 import android.test.suitebuilder.annotation.SmallTest;
+
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.systemui.SysuiTestCase;
+
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
@@ -28,10 +35,6 @@
 import org.mockito.ArgumentCaptor;
 import org.mockito.Mockito;
 
-import static junit.framework.Assert.assertEquals;
-import static junit.framework.Assert.assertFalse;
-import static junit.framework.Assert.assertTrue;
-
 @SmallTest
 @RunWith(AndroidJUnit4.class)
 public class TileServiceManagerTest extends SysuiTestCase {
diff --git a/packages/SystemUI/tests/src/com/android/systemui/qs/tileimpl/QSIconViewImplTest.java b/packages/SystemUI/tests/src/com/android/systemui/qs/tileimpl/QSIconViewImplTest.java
index f9f4f497..633315e 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/qs/tileimpl/QSIconViewImplTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/qs/tileimpl/QSIconViewImplTest.java
@@ -21,14 +21,14 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-import android.content.res.ColorStateList;
 import android.graphics.drawable.Drawable;
 import android.service.quicksettings.Tile;
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.UiThreadTest;
 import android.widget.ImageView;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.systemui.SysuiTestCase;
 import com.android.systemui.plugins.qs.QSTile.Icon;
 import com.android.systemui.plugins.qs.QSTile.State;
@@ -36,7 +36,6 @@
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.mockito.ArgumentMatcher;
 
 @RunWith(AndroidTestingRunner.class)
 @UiThreadTest
diff --git a/packages/SystemUI/tests/src/com/android/systemui/qs/tileimpl/QSTileImplTest.java b/packages/SystemUI/tests/src/com/android/systemui/qs/tileimpl/QSTileImplTest.java
index 6764634..03e67af 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/qs/tileimpl/QSTileImplTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/qs/tileimpl/QSTileImplTest.java
@@ -32,16 +32,14 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-import static java.lang.Thread.sleep;
-
 import android.content.Intent;
 import android.metrics.LogMaker;
-import android.support.test.filters.SmallTest;
-import android.support.test.InstrumentationRegistry;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper;
 import android.testing.TestableLooper.RunWithLooper;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.internal.logging.MetricsLogger;
 import com.android.systemui.Dependency;
 import com.android.systemui.SysuiTestCase;
@@ -55,6 +53,8 @@
 import org.junit.runner.RunWith;
 import org.mockito.ArgumentMatcher;
 
+import static java.lang.Thread.sleep;
+
 @RunWith(AndroidTestingRunner.class)
 @RunWithLooper
 @SmallTest
diff --git a/packages/SystemUI/tests/src/com/android/systemui/recents/RecentsTest.java b/packages/SystemUI/tests/src/com/android/systemui/recents/RecentsTest.java
index bdbd244..6bbe249 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/recents/RecentsTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/recents/RecentsTest.java
@@ -27,8 +27,9 @@
 import android.app.ActivityManager.RunningTaskInfo;
 import android.app.IActivityManager;
 import android.os.SystemClock;
-import android.support.test.filters.MediumTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.MediumTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.systemui.SysuiTestCase;
 
diff --git a/packages/SystemUI/tests/src/com/android/systemui/settings/CurrentUserTrackerTest.java b/packages/SystemUI/tests/src/com/android/systemui/settings/CurrentUserTrackerTest.java
index 17d7a41..4162bc1 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/settings/CurrentUserTrackerTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/settings/CurrentUserTrackerTest.java
@@ -17,7 +17,8 @@
 package com.android.systemui.settings;
 
 import android.content.Intent;
-import android.support.test.filters.SmallTest;
+
+import androidx.test.filters.SmallTest;
 
 import com.android.systemui.SysuiTestCase;
 
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/AppOpsListenerTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/AppOpsListenerTest.java
index 0feaa5a..ee4fbc8 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/AppOpsListenerTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/AppOpsListenerTest.java
@@ -23,10 +23,11 @@
 import android.app.AppOpsManager;
 import android.os.Handler;
 import android.os.Looper;
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.systemui.ForegroundServiceController;
 import com.android.systemui.SysuiTestCase;
 
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/CommandQueueTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/CommandQueueTest.java
index a02ef98..9659235 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/CommandQueueTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/CommandQueueTest.java
@@ -22,7 +22,8 @@
 import android.content.ComponentName;
 import android.graphics.Rect;
 import android.os.Bundle;
-import android.support.test.filters.SmallTest;
+
+import androidx.test.filters.SmallTest;
 
 import com.android.internal.statusbar.StatusBarIcon;
 import com.android.systemui.SysuiTestCase;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/ExpandableNotificationRowTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/ExpandableNotificationRowTest.java
index ff12c53..210aa56 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/ExpandableNotificationRowTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/ExpandableNotificationRowTest.java
@@ -33,13 +33,14 @@
 
 import android.app.AppOpsManager;
 import android.app.NotificationChannel;
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper.RunWithLooper;
 import android.util.ArraySet;
 import android.view.NotificationHeaderView;
 import android.view.View;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.systemui.SysuiTestCase;
 import com.android.systemui.plugins.statusbar.NotificationMenuRowPlugin;
 import com.android.systemui.statusbar.notification.AboveShelfChangedListener;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/FooterViewTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/FooterViewTest.java
index e6fdfa4..a7e14dc7 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/FooterViewTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/FooterViewTest.java
@@ -16,23 +16,18 @@
 
 package com.android.systemui.statusbar;
 
-import static junit.framework.Assert.assertEquals;
 import static junit.framework.Assert.assertFalse;
 import static junit.framework.Assert.assertNotNull;
-import static junit.framework.Assert.assertNull;
 import static junit.framework.Assert.assertTrue;
 
-import static org.mockito.ArgumentMatchers.any;
-import static org.mockito.ArgumentMatchers.eq;
-import static org.mockito.Mockito.doReturn;
 import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.spy;
 
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.view.LayoutInflater;
 import android.view.View;
 
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.systemui.R;
 import com.android.systemui.SysuiTestCase;
 
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/KeyguardIndicationControllerTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/KeyguardIndicationControllerTest.java
index bdd05c7..6e5af99 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/KeyguardIndicationControllerTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/KeyguardIndicationControllerTest.java
@@ -30,12 +30,13 @@
 import android.content.Context;
 import android.hardware.fingerprint.FingerprintManager;
 import android.os.Looper;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.view.View;
 import android.view.ViewGroup;
 
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.keyguard.KeyguardUpdateMonitorCallback;
 import com.android.systemui.R;
 import com.android.systemui.SysuiTestCase;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/NonPhoneDependencyTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/NonPhoneDependencyTest.java
index 2af0c3e..4a8f287 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/NonPhoneDependencyTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/NonPhoneDependencyTest.java
@@ -21,10 +21,11 @@
 
 import android.os.Handler;
 import android.os.Looper;
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.systemui.Dependency;
 import com.android.systemui.SysuiTestCase;
 import com.android.systemui.statusbar.phone.NotificationGroupManager;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationBlockingHelperManagerTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationBlockingHelperManagerTest.java
index 9638541..41ee732 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationBlockingHelperManagerTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationBlockingHelperManagerTest.java
@@ -16,27 +16,10 @@
 
 package com.android.systemui.statusbar;
 
-import com.android.systemui.SysuiTestCase;
-import com.android.systemui.plugins.statusbar.NotificationMenuRowPlugin;
-
-import android.content.Context;
-import android.support.test.filters.FlakyTest;
-import android.support.test.filters.SmallTest;
-import android.testing.AndroidTestingRunner;
-import android.testing.TestableLooper;
-import android.view.View;
-
-import org.junit.Before;
-import org.junit.Rule;
-import org.junit.Test;
-import org.mockito.Mock;
-import org.mockito.MockitoAnnotations;
-import org.mockito.junit.MockitoJUnit;
-import org.mockito.junit.MockitoRule;
-
 import static android.service.notification.NotificationListenerService.Ranking.USER_SENTIMENT_NEGATIVE;
 import static android.service.notification.NotificationListenerService.Ranking.USER_SENTIMENT_NEUTRAL;
 import static android.service.notification.NotificationListenerService.Ranking.USER_SENTIMENT_POSITIVE;
+
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
 import static org.mockito.ArgumentMatchers.any;
@@ -46,6 +29,22 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
+import android.content.Context;
+import android.testing.AndroidTestingRunner;
+import android.testing.TestableLooper;
+import android.view.View;
+
+import androidx.test.filters.FlakyTest;
+import androidx.test.filters.SmallTest;
+
+import com.android.systemui.SysuiTestCase;
+import com.android.systemui.plugins.statusbar.NotificationMenuRowPlugin;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
 /**
  * Tests for {@link NotificationBlockingHelperManager}.
  */
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationContentViewTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationContentViewTest.java
index 1fb4c37..c4a80a7 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationContentViewTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationContentViewTest.java
@@ -28,13 +28,14 @@
 import static org.mockito.Mockito.when;
 
 import android.app.AppOpsManager;
-import android.support.test.annotation.UiThreadTest;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.ArraySet;
 import android.view.NotificationHeaderView;
 import android.view.View;
 
+import androidx.test.annotation.UiThreadTest;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.systemui.SysuiTestCase;
 
 import org.junit.Assert;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationCustomViewWrapperTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationCustomViewWrapperTest.java
index a34588d..99fe445 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationCustomViewWrapperTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationCustomViewWrapperTest.java
@@ -16,12 +16,13 @@
 
 package com.android.systemui.statusbar;
 
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper.RunWithLooper;
 import android.view.View;
 import android.widget.RemoteViews;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.systemui.R;
 import com.android.systemui.SysuiTestCase;
 import com.android.systemui.statusbar.notification.NotificationCustomViewWrapper;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationDataTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationDataTest.java
index 77522e4..f62b13c 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationDataTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationDataTest.java
@@ -44,12 +44,13 @@
 import android.os.Bundle;
 import android.service.notification.NotificationListenerService;
 import android.service.notification.StatusBarNotification;
-import android.support.test.annotation.UiThreadTest;
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper.RunWithLooper;
 import android.util.ArraySet;
 
+import androidx.test.annotation.UiThreadTest;
+import androidx.test.filters.SmallTest;
+
 import com.android.systemui.ForegroundServiceController;
 import com.android.systemui.SysuiTestCase;
 import com.android.systemui.statusbar.phone.NotificationGroupManager;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationEntryManagerTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationEntryManagerTest.java
index afe16cf..2e14e71 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationEntryManagerTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationEntryManagerTest.java
@@ -19,7 +19,6 @@
 import static junit.framework.Assert.assertNotNull;
 import static junit.framework.Assert.assertNull;
 import static junit.framework.Assert.assertTrue;
-import static junit.framework.Assert.assertFalse;
 
 import static org.junit.Assert.assertEquals;
 import static org.mockito.ArgumentMatchers.any;
@@ -43,12 +42,13 @@
 import android.os.UserHandle;
 import android.service.notification.NotificationListenerService;
 import android.service.notification.StatusBarNotification;
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper;
 import android.util.ArraySet;
 import android.widget.FrameLayout;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.internal.logging.MetricsLogger;
 import com.android.internal.statusbar.IStatusBarService;
 import com.android.systemui.ForegroundServiceController;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationGutsManagerTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationGutsManagerTest.java
index cba1b54..72e932c 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationGutsManagerTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationGutsManagerTest.java
@@ -19,8 +19,8 @@
 import static android.app.AppOpsManager.OP_CAMERA;
 import static android.app.AppOpsManager.OP_RECORD_AUDIO;
 import static android.app.AppOpsManager.OP_SYSTEM_ALERT_WINDOW;
-
 import static android.service.notification.NotificationListenerService.Ranking.USER_SENTIMENT_NEGATIVE;
+
 import static junit.framework.Assert.assertNotNull;
 
 import static org.junit.Assert.assertEquals;
@@ -32,10 +32,10 @@
 import static org.mockito.ArgumentMatchers.isNull;
 import static org.mockito.Mockito.doNothing;
 import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.when;
 import static org.mockito.Mockito.spy;
-import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
 
 import android.app.INotificationManager;
 import android.app.Notification;
@@ -47,12 +47,13 @@
 import android.os.Handler;
 import android.provider.Settings;
 import android.service.notification.StatusBarNotification;
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper;
 import android.util.ArraySet;
 import android.view.View;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.systemui.SysuiTestCase;
 import com.android.systemui.plugins.statusbar.NotificationMenuRowPlugin;
 import com.android.systemui.statusbar.stack.NotificationStackScrollLayout;
@@ -63,11 +64,8 @@
 import org.junit.runner.RunWith;
 import org.mockito.ArgumentCaptor;
 import org.mockito.Mock;
-import org.mockito.junit.MockitoRule;
 import org.mockito.junit.MockitoJUnit;
-
-import java.util.HashSet;
-import java.util.Set;
+import org.mockito.junit.MockitoRule;
 
 /**
  * Tests for {@link NotificationGutsManager}.
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationListenerTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationListenerTest.java
index 26f91b3..cab762c 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationListenerTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationListenerTest.java
@@ -16,8 +16,6 @@
 
 package com.android.systemui.statusbar;
 
-import static junit.framework.Assert.assertTrue;
-
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
@@ -28,10 +26,11 @@
 import android.os.UserHandle;
 import android.service.notification.NotificationListenerService;
 import android.service.notification.StatusBarNotification;
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.systemui.SysuiTestCase;
 
 import org.junit.Before;
@@ -40,9 +39,6 @@
 import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
 
-import java.util.HashSet;
-import java.util.Set;
-
 @SmallTest
 @RunWith(AndroidTestingRunner.class)
 @TestableLooper.RunWithLooper
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationLockscreenUserManagerTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationLockscreenUserManagerTest.java
index 2401519..849ae89 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationLockscreenUserManagerTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationLockscreenUserManagerTest.java
@@ -36,10 +36,11 @@
 import android.os.Looper;
 import android.os.UserManager;
 import android.provider.Settings;
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.systemui.SysuiTestCase;
 import com.android.systemui.statusbar.policy.DeviceProvisionedController;
 
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationLoggerTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationLoggerTest.java
index 42bf290..760c66d 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationLoggerTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationLoggerTest.java
@@ -30,10 +30,11 @@
 import android.os.RemoteException;
 import android.os.UserHandle;
 import android.service.notification.StatusBarNotification;
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.internal.statusbar.IStatusBarService;
 import com.android.internal.statusbar.NotificationVisibility;
 import com.android.systemui.SysuiTestCase;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationMenuRowTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationMenuRowTest.java
index 2a5a1ee..088b01d 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationMenuRowTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationMenuRowTest.java
@@ -22,15 +22,14 @@
 
 import android.app.Notification;
 import android.service.notification.StatusBarNotification;
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper;
 import android.testing.TestableLooper.RunWithLooper;
 import android.testing.ViewUtils;
-import android.testing.ViewUtils;
-import android.view.View;
 import android.view.ViewGroup;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.systemui.plugins.statusbar.NotificationMenuRowPlugin;
 import com.android.systemui.utils.leaks.LeakCheckedTest;
 
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationRemoteInputManagerTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationRemoteInputManagerTest.java
index 7a2cb3a..9066b88 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationRemoteInputManagerTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationRemoteInputManagerTest.java
@@ -13,10 +13,11 @@
 import android.os.UserHandle;
 import android.service.notification.NotificationListenerService;
 import android.service.notification.StatusBarNotification;
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.systemui.SysuiTestCase;
 
 import com.google.android.collect.Sets;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationTestHelper.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationTestHelper.java
index 2b0c6bf..ae89e5c 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationTestHelper.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationTestHelper.java
@@ -23,11 +23,12 @@
 import android.content.Context;
 import android.os.UserHandle;
 import android.service.notification.StatusBarNotification;
-import android.support.test.InstrumentationRegistry;
 import android.text.TextUtils;
 import android.view.LayoutInflater;
 import android.widget.RemoteViews;
 
+import androidx.test.InstrumentationRegistry;
+
 import com.android.systemui.R;
 import com.android.systemui.statusbar.notification.NotificationInflaterTest;
 import com.android.systemui.statusbar.phone.HeadsUpManagerPhone;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationViewHierarchyManagerTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationViewHierarchyManagerTest.java
index 0d0d1f86..a64ca5c 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationViewHierarchyManagerTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationViewHierarchyManagerTest.java
@@ -25,13 +25,14 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.LinearLayout;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.systemui.SysuiTestCase;
 import com.android.systemui.plugins.statusbar.NotificationSwipeActionHelper;
 import com.android.systemui.statusbar.notification.VisualStabilityManager;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/ScrimViewTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/ScrimViewTest.java
index 42dad11..0c1fa4e 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/ScrimViewTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/ScrimViewTest.java
@@ -28,13 +28,14 @@
 import android.graphics.Rect;
 import android.graphics.drawable.ColorDrawable;
 import android.graphics.drawable.Drawable;
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper;
 import android.testing.TestableLooper.RunWithLooper;
 import android.testing.ViewUtils;
 import android.view.View;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.internal.colorextraction.ColorExtractor;
 import com.android.internal.colorextraction.drawable.GradientDrawable;
 import com.android.systemui.statusbar.policy.ConfigurationController;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/SmartReplyControllerTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/SmartReplyControllerTest.java
index e91530d..8d5e381 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/SmartReplyControllerTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/SmartReplyControllerTest.java
@@ -16,6 +16,7 @@
 
 import static junit.framework.Assert.assertFalse;
 import static junit.framework.Assert.assertTrue;
+
 import static org.mockito.ArgumentMatchers.argThat;
 import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.ArgumentMatchers.isNull;
@@ -26,10 +27,11 @@
 import android.app.Notification;
 import android.os.RemoteException;
 import android.service.notification.StatusBarNotification;
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.internal.statusbar.IStatusBarService;
 import com.android.systemui.R;
 import com.android.systemui.SysuiTestCase;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/StatusBarIconListTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/StatusBarIconListTest.java
index e529e4c..4c20b61 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/StatusBarIconListTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/StatusBarIconListTest.java
@@ -1,6 +1,7 @@
 package com.android.systemui.statusbar;
 
 import static com.android.systemui.statusbar.phone.StatusBarIconController.TAG_PRIMARY;
+
 import static junit.framework.Assert.assertEquals;
 import static junit.framework.Assert.assertNull;
 import static junit.framework.Assert.assertTrue;
@@ -8,19 +9,21 @@
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.when;
 
-import android.support.test.runner.AndroidJUnit4;
 import android.test.suitebuilder.annotation.SmallTest;
 
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.systemui.SysuiTestCase;
 import com.android.systemui.statusbar.phone.StatusBarIconHolder;
 import com.android.systemui.statusbar.phone.StatusBarIconList;
 import com.android.systemui.statusbar.phone.StatusBarIconList.Slot;
 
-import java.util.ArrayList;
-import java.util.List;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
+import java.util.ArrayList;
+import java.util.List;
+
 @SmallTest
 @RunWith(AndroidJUnit4.class)
 public class StatusBarIconListTest extends SysuiTestCase {
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/StatusBarIconViewTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/StatusBarIconViewTest.java
index 7b2071c..c995ab2 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/StatusBarIconViewTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/StatusBarIconViewTest.java
@@ -38,8 +38,9 @@
 import android.graphics.Color;
 import android.graphics.drawable.Icon;
 import android.os.UserHandle;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.internal.statusbar.StatusBarIcon;
 import com.android.internal.util.NotificationColorUtil;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/AboveShelfObserverTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/AboveShelfObserverTest.java
index 00e9995..82e4b08 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/AboveShelfObserverTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/AboveShelfObserverTest.java
@@ -19,7 +19,6 @@
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.verify;
 
-import android.support.test.runner.AndroidJUnit4;
 import android.test.suitebuilder.annotation.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper.RunWithLooper;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/MediaNotificationProcessorTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/MediaNotificationProcessorTest.java
index 5d3a86d..b03abec 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/MediaNotificationProcessorTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/MediaNotificationProcessorTest.java
@@ -27,10 +27,11 @@
 import android.app.Notification;
 import android.graphics.Bitmap;
 import android.graphics.drawable.Drawable;
-import android.support.test.runner.AndroidJUnit4;
 import android.test.suitebuilder.annotation.SmallTest;
 import android.widget.RemoteViews;
 
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.systemui.R;
 import com.android.systemui.SysuiTestCase;
 
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/NotificationInflaterTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/NotificationInflaterTest.java
index aa8a08c..a9ee8a8 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/NotificationInflaterTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/NotificationInflaterTest.java
@@ -29,13 +29,14 @@
 import android.os.Handler;
 import android.os.Looper;
 import android.service.notification.StatusBarNotification;
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper.RunWithLooper;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.RemoteViews;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.systemui.R;
 import com.android.systemui.SysuiTestCase;
 import com.android.systemui.statusbar.ExpandableNotificationRow;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/NotificationViewWrapperTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/NotificationViewWrapperTest.java
index 7e2e505..6071c7b 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/NotificationViewWrapperTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/NotificationViewWrapperTest.java
@@ -17,18 +17,16 @@
 package com.android.systemui.statusbar.notification;
 
 import android.content.Context;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper.RunWithLooper;
 import android.view.View;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.systemui.SysuiTestCase;
 import com.android.systemui.statusbar.ExpandableNotificationRow;
 import com.android.systemui.statusbar.NotificationTestHelper;
 
-import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/VisualStabilityManagerTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/VisualStabilityManagerTest.java
index 95ce0d8..52c8049 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/VisualStabilityManagerTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/VisualStabilityManagerTest.java
@@ -16,10 +16,18 @@
 
 package com.android.systemui.statusbar.notification;
 
+import static junit.framework.Assert.assertEquals;
+
+import static org.mockito.Matchers.anyObject;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
 import android.service.notification.StatusBarNotification;
-import android.support.test.runner.AndroidJUnit4;
 import android.test.suitebuilder.annotation.SmallTest;
 
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.systemui.SysuiTestCase;
 import com.android.systemui.statusbar.ExpandableNotificationRow;
 import com.android.systemui.statusbar.NotificationData;
@@ -30,12 +38,6 @@
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
-import static junit.framework.Assert.assertEquals;
-import static org.mockito.Matchers.anyObject;
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.when;
-
 @SmallTest
 @RunWith(AndroidJUnit4.class)
 public class VisualStabilityManagerTest extends SysuiTestCase {
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/AutoTileManagerTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/AutoTileManagerTest.java
index 23365a4..8a6bdc2 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/AutoTileManagerTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/AutoTileManagerTest.java
@@ -20,21 +20,21 @@
 import static org.mockito.Mockito.verify;
 
 import android.os.Handler;
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper;
 import android.testing.TestableLooper.RunWithLooper;
+
+import androidx.test.filters.SmallTest;
+
 import com.android.internal.app.ColorDisplayController;
-import com.android.systemui.Dependency;
-import com.android.systemui.Prefs;
 import com.android.systemui.SysuiTestCase;
 import com.android.systemui.qs.AutoAddTracker;
 import com.android.systemui.qs.QSTileHost;
+
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.Mock;
-import org.mockito.Mockito;
 import org.mockito.MockitoAnnotations;
 
 @RunWith(AndroidTestingRunner.class)
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/CollapsedStatusBarFragmentTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/CollapsedStatusBarFragmentTest.java
index 231cdf5..2e2d4f3 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/CollapsedStatusBarFragmentTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/CollapsedStatusBarFragmentTest.java
@@ -21,21 +21,21 @@
 import static org.mockito.Mockito.when;
 
 import android.app.StatusBarManager;
-import android.support.test.filters.SmallTest;
+import android.testing.AndroidTestingRunner;
+import android.testing.TestableLooper.RunWithLooper;
 import android.view.View;
 import android.view.ViewPropertyAnimator;
 
-import com.android.systemui.R;
-import android.testing.AndroidTestingRunner;
+import androidx.test.filters.SmallTest;
 
+import com.android.systemui.R;
 import com.android.systemui.SysuiBaseFragmentTest;
 import com.android.systemui.statusbar.CommandQueue;
 import com.android.systemui.tuner.TunerService;
-import android.testing.TestableLooper.RunWithLooper;
 
 import org.junit.Before;
-import org.junit.runner.RunWith;
 import org.junit.Test;
+import org.junit.runner.RunWith;
 import org.mockito.Mockito;
 
 @RunWith(AndroidTestingRunner.class)
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/DozeParametersTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/DozeParametersTest.java
index 532019f..f6f4eb48 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/DozeParametersTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/DozeParametersTest.java
@@ -16,11 +16,21 @@
 
 package com.android.systemui.statusbar.phone;
 
+import static junit.framework.Assert.assertFalse;
+import static junit.framework.Assert.assertTrue;
+import static junit.framework.Assert.fail;
+
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.reset;
+import static org.mockito.Mockito.verify;
+
 import android.content.Context;
 import android.os.PowerManager;
-import android.support.test.runner.AndroidJUnit4;
 import android.test.suitebuilder.annotation.SmallTest;
 
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.systemui.SysuiTestCase;
 import com.android.systemui.doze.DozeScreenState;
 import com.android.systemui.statusbar.phone.DozeParameters.IntInOutMatcher;
@@ -29,18 +39,6 @@
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
-import static junit.framework.Assert.assertTrue;
-import static junit.framework.Assert.assertFalse;
-import static junit.framework.Assert.fail;
-
-import static org.mockito.ArgumentMatchers.any;
-import static org.mockito.ArgumentMatchers.eq;
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.never;
-import static org.mockito.Mockito.reset;
-import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.when;
-
 @SmallTest
 @RunWith(AndroidJUnit4.class)
 public class DozeParametersTest extends SysuiTestCase {
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/DozeScrimControllerTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/DozeScrimControllerTest.java
index 203ebe6..b2128a6 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/DozeScrimControllerTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/DozeScrimControllerTest.java
@@ -23,11 +23,11 @@
 import static org.mockito.Mockito.never;
 import static org.mockito.Mockito.verify;
 
-import android.os.Debug;
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.systemui.SysuiTestCase;
 import com.android.systemui.doze.DozeHost;
 
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/HeadsUpAppearanceControllerTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/HeadsUpAppearanceControllerTest.java
index 952d086..32e1429 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/HeadsUpAppearanceControllerTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/HeadsUpAppearanceControllerTest.java
@@ -17,24 +17,19 @@
 package com.android.systemui.statusbar.phone;
 
 import static org.mockito.ArgumentMatchers.any;
-import static org.mockito.ArgumentMatchers.anyObject;
-import static org.mockito.Mockito.atLeast;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.reset;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper.RunWithLooper;
 import android.view.View;
 import android.widget.TextView;
 
-import com.android.systemui.Dependency;
+import androidx.test.filters.SmallTest;
+
 import com.android.systemui.SysuiTestCase;
-import com.android.systemui.TestableDependency;
-import com.android.systemui.statusbar.CommandQueue;
 import com.android.systemui.statusbar.ExpandableNotificationRow;
 import com.android.systemui.statusbar.HeadsUpStatusBarView;
 import com.android.systemui.statusbar.NotificationTestHelper;
@@ -46,8 +41,6 @@
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
-import java.util.HashSet;
-
 @SmallTest
 @RunWith(AndroidTestingRunner.class)
 @RunWithLooper(setAsMainLooper = true)
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/HeadsUpManagerPhoneTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/HeadsUpManagerPhoneTest.java
index aa991cb..d258750 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/HeadsUpManagerPhoneTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/HeadsUpManagerPhoneTest.java
@@ -16,16 +16,26 @@
 
 package com.android.systemui.statusbar.phone;
 
+import static junit.framework.Assert.assertFalse;
+import static junit.framework.Assert.assertNotNull;
+import static junit.framework.Assert.assertNull;
+import static junit.framework.Assert.assertTrue;
+
+import static org.junit.Assert.assertEquals;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
 import android.app.ActivityManager;
 import android.app.Instrumentation;
 import android.app.Notification;
 import android.os.UserHandle;
-import android.view.View;
 import android.service.notification.StatusBarNotification;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper;
+import android.view.View;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
 
 import com.android.systemui.R;
 import com.android.systemui.SysuiTestCase;
@@ -42,15 +52,6 @@
 import org.mockito.junit.MockitoJUnit;
 import org.mockito.junit.MockitoRule;
 
-import static junit.framework.Assert.assertNotNull;
-import static junit.framework.Assert.assertNull;
-import static junit.framework.Assert.assertTrue;
-import static junit.framework.Assert.assertFalse;
-
-import static org.junit.Assert.assertEquals;
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.when;
-
 @SmallTest
 @RunWith(AndroidTestingRunner.class)
 @TestableLooper.RunWithLooper
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/KeyguardBouncerTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/KeyguardBouncerTest.java
index 12b14c8..2832e88 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/KeyguardBouncerTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/KeyguardBouncerTest.java
@@ -29,13 +29,14 @@
 import static org.mockito.Mockito.when;
 
 import android.graphics.Color;
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper;
 import android.view.ViewGroup;
 import android.view.ViewTreeObserver;
 import android.widget.FrameLayout;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.internal.widget.LockPatternUtils;
 import com.android.keyguard.KeyguardHostView;
 import com.android.keyguard.KeyguardSecurityModel;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/KeyguardPresentationTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/KeyguardPresentationTest.java
index 5429153..d4e8687 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/KeyguardPresentationTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/KeyguardPresentationTest.java
@@ -16,16 +16,15 @@
 
 package com.android.systemui.statusbar.phone;
 
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper;
 import android.view.LayoutInflater;
-import android.view.View;
+
+import androidx.test.filters.SmallTest;
 
 import com.android.systemui.R;
 import com.android.systemui.SysuiTestCase;
 
-import org.junit.Assert;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/NavigationBarFragmentTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/NavigationBarFragmentTest.java
index 17df800..3231be0 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/NavigationBarFragmentTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/NavigationBarFragmentTest.java
@@ -19,14 +19,16 @@
 
 import android.content.Context;
 import android.os.Looper;
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.LeakCheck.Tracker;
+import android.testing.TestableLooper.RunWithLooper;
 import android.view.Display;
 import android.view.WindowManager;
+import android.view.accessibility.AccessibilityManager.AccessibilityServicesStateChangeListener;
+
+import androidx.test.filters.SmallTest;
 
 import com.android.systemui.Dependency;
-
 import com.android.systemui.OverviewProxyService;
 import com.android.systemui.SysuiBaseFragmentTest;
 import com.android.systemui.recents.Recents;
@@ -34,9 +36,6 @@
 import com.android.systemui.statusbar.CommandQueue;
 import com.android.systemui.statusbar.policy.AccessibilityManagerWrapper;
 
-import android.testing.TestableLooper.RunWithLooper;
-import android.view.accessibility.AccessibilityManager.AccessibilityServicesStateChangeListener;
-
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/NavigationBarTransitionsTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/NavigationBarTransitionsTest.java
index 76f57f0..695e26f 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/NavigationBarTransitionsTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/NavigationBarTransitionsTest.java
@@ -21,11 +21,12 @@
 import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.when;
 
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper.RunWithLooper;
 import android.view.IWindowManager;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.systemui.SysuiTestCase;
 import com.android.systemui.statusbar.CommandQueue;
 
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/NearestTouchFrameTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/NearestTouchFrameTest.java
index 667a508..52b8867 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/NearestTouchFrameTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/NearestTouchFrameTest.java
@@ -17,19 +17,19 @@
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.doAnswer;
-import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.never;
 import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
 import android.content.res.Configuration;
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper.RunWithLooper;
 import android.view.MotionEvent;
 import android.view.View;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.systemui.SysuiTestCase;
 
 import org.junit.Before;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/ScrimControllerTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/ScrimControllerTest.java
index 9c55874..ac5ed95 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/ScrimControllerTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/ScrimControllerTest.java
@@ -37,11 +37,12 @@
 import android.graphics.Color;
 import android.os.Handler;
 import android.os.Looper;
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper;
 import android.view.View;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.internal.colorextraction.ColorExtractor.GradientColors;
 import com.android.internal.util.function.TriConsumer;
 import com.android.systemui.SysuiTestCase;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/StatusBarIconControllerTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/StatusBarIconControllerTest.java
index 72b0156..9ccc3522 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/StatusBarIconControllerTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/StatusBarIconControllerTest.java
@@ -14,28 +14,26 @@
 
 package com.android.systemui.statusbar.phone;
 
-import static junit.framework.Assert.assertEquals;
-import static junit.framework.Assert.assertTrue;
-
 import static com.android.systemui.statusbar.phone.StatusBarIconHolder.TYPE_ICON;
 import static com.android.systemui.statusbar.phone.StatusBarIconHolder.TYPE_MOBILE;
 import static com.android.systemui.statusbar.phone.StatusBarIconHolder.TYPE_WIFI;
-import static org.mockito.ArgumentMatchers.eq;
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.verify;
 
-import android.graphics.Rect;
-import android.support.test.filters.SmallTest;
+import static junit.framework.Assert.assertTrue;
+
+import static org.mockito.Mockito.mock;
+
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper.RunWithLooper;
 import android.view.ViewGroup;
 import android.widget.LinearLayout;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.internal.statusbar.StatusBarIcon;
-import com.android.systemui.statusbar.StatusIconDisplayable;
 import com.android.systemui.statusbar.StatusBarIconView;
 import com.android.systemui.statusbar.StatusBarMobileView;
 import com.android.systemui.statusbar.StatusBarWifiView;
+import com.android.systemui.statusbar.StatusIconDisplayable;
 import com.android.systemui.statusbar.phone.StatusBarIconController.DarkIconManager;
 import com.android.systemui.statusbar.phone.StatusBarIconController.IconManager;
 import com.android.systemui.statusbar.phone.StatusBarSignalPolicy.MobileIconState;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/StatusBarKeyguardViewManagerTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/StatusBarKeyguardViewManagerTest.java
index 94ab9d2..91c47ca 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/StatusBarKeyguardViewManagerTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/StatusBarKeyguardViewManagerTest.java
@@ -25,11 +25,12 @@
 import static org.mockito.Mockito.when;
 
 import android.content.Context;
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper;
 import android.view.ViewGroup;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.internal.widget.LockPatternUtils;
 import com.android.keyguard.KeyguardHostView;
 import com.android.keyguard.ViewMediatorCallback;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/StatusBarTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/StatusBarTest.java
index 0a412b9..a2d60c0 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/StatusBarTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/StatusBarTest.java
@@ -41,28 +41,25 @@
 import android.app.StatusBarManager;
 import android.app.trust.TrustManager;
 import android.content.Context;
-import android.content.pm.UserInfo;
 import android.hardware.fingerprint.FingerprintManager;
 import android.metrics.LogMaker;
 import android.os.Binder;
 import android.os.Handler;
-import android.os.HandlerThread;
 import android.os.IPowerManager;
 import android.os.Looper;
 import android.os.PowerManager;
 import android.os.RemoteException;
 import android.os.UserHandle;
 import android.service.notification.StatusBarNotification;
-import android.support.test.filters.SmallTest;
 import android.support.test.metricshelper.MetricsAsserts;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper;
 import android.testing.TestableLooper.RunWithLooper;
 import android.util.SparseArray;
-import android.view.Gravity;
-import android.view.View;
 import android.view.ViewGroup.LayoutParams;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.internal.logging.MetricsLogger;
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.internal.logging.testing.FakeMetricsLogger;
@@ -72,8 +69,8 @@
 import com.android.systemui.R;
 import com.android.systemui.SysuiTestCase;
 import com.android.systemui.assist.AssistManager;
-import com.android.systemui.keyguard.KeyguardViewMediator;
 import com.android.systemui.classifier.FalsingManager;
+import com.android.systemui.keyguard.KeyguardViewMediator;
 import com.android.systemui.keyguard.WakefulnessLifecycle;
 import com.android.systemui.recents.misc.SystemServicesProxy;
 import com.android.systemui.statusbar.ActivatableNotificationView;
@@ -81,7 +78,6 @@
 import com.android.systemui.statusbar.CommandQueue;
 import com.android.systemui.statusbar.ExpandableNotificationRow;
 import com.android.systemui.statusbar.FooterView;
-import com.android.systemui.statusbar.FooterViewButton;
 import com.android.systemui.statusbar.KeyguardIndicationController;
 import com.android.systemui.statusbar.NotificationData;
 import com.android.systemui.statusbar.NotificationData.Entry;
@@ -116,7 +112,6 @@
 import java.io.ByteArrayOutputStream;
 import java.io.PrintWriter;
 import java.util.ArrayList;
-import java.util.function.Predicate;
 
 @SmallTest
 @RunWith(AndroidTestingRunner.class)
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/StatusBarWindowViewTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/StatusBarWindowViewTest.java
index a068a5e..d915618 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/StatusBarWindowViewTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/StatusBarWindowViewTest.java
@@ -20,19 +20,14 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-import android.content.Context;
 import android.os.SystemClock;
-import android.service.notification.StatusBarNotification;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.view.MotionEvent;
-import android.view.View;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.systemui.SysuiTestCase;
 import com.android.systemui.statusbar.DragDownHelper;
-import com.android.systemui.statusbar.ExpandableNotificationRow;
-import com.android.systemui.statusbar.NotificationData;
 import com.android.systemui.statusbar.StatusBarState;
 
 import org.junit.Before;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/SystemUIDialogTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/SystemUIDialogTest.java
index dcd531d..b299841 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/SystemUIDialogTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/SystemUIDialogTest.java
@@ -15,6 +15,7 @@
 package com.android.systemui.statusbar.phone;
 
 import static junit.framework.Assert.assertTrue;
+
 import static org.mockito.Matchers.any;
 import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.verify;
@@ -22,10 +23,11 @@
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper.RunWithLooper;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.systemui.SysuiTestCase;
 
 import org.junit.Before;
@@ -33,7 +35,6 @@
 import org.junit.runner.RunWith;
 import org.mockito.ArgumentCaptor;
 
-
 @RunWith(AndroidTestingRunner.class)
 @RunWithLooper(setAsMainLooper = true)
 @SmallTest
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/BluetoothControllerImplTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/BluetoothControllerImplTest.java
index d246350..79db3ac 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/BluetoothControllerImplTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/BluetoothControllerImplTest.java
@@ -15,8 +15,8 @@
 package com.android.systemui.statusbar.policy;
 
 import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
@@ -25,11 +25,11 @@
 import android.bluetooth.BluetoothDevice;
 import android.bluetooth.BluetoothProfile;
 import android.os.Looper;
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper;
 import android.testing.TestableLooper.RunWithLooper;
-import android.util.Log;
+
+import androidx.test.filters.SmallTest;
 
 import com.android.settingslib.bluetooth.BluetoothEventManager;
 import com.android.settingslib.bluetooth.CachedBluetoothDevice;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/CallbackHandlerTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/CallbackHandlerTest.java
index ed0f9ab..85f6033 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/CallbackHandlerTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/CallbackHandlerTest.java
@@ -15,29 +15,33 @@
  */
 package com.android.systemui.statusbar.policy;
 
+import static junit.framework.Assert.assertEquals;
+import static junit.framework.Assert.assertTrue;
+
+import static org.mockito.Matchers.eq;
+
 import android.os.HandlerThread;
-import android.support.test.runner.AndroidJUnit4;
 import android.telephony.SubscriptionInfo;
 import android.test.suitebuilder.annotation.SmallTest;
+
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.systemui.R;
 import com.android.systemui.SysuiTestCase;
 import com.android.systemui.statusbar.policy.NetworkController.EmergencyListener;
 import com.android.systemui.statusbar.policy.NetworkController.IconState;
 import com.android.systemui.statusbar.policy.NetworkController.SignalCallback;
-import java.util.ArrayList;
-import java.util.List;
+
 import org.junit.Before;
-import org.junit.runner.RunWith;
 import org.junit.Test;
+import org.junit.runner.RunWith;
 import org.mockito.ArgumentCaptor;
 import org.mockito.Mock;
 import org.mockito.Mockito;
 import org.mockito.MockitoAnnotations;
 
-import static junit.framework.Assert.assertTrue;
-import static junit.framework.Assert.assertEquals;
-
-import static org.mockito.Matchers.eq;
+import java.util.ArrayList;
+import java.util.List;
 
 @SmallTest
 @RunWith(AndroidJUnit4.class)
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/ExtensionControllerImplTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/ExtensionControllerImplTest.java
index b22a646..97eaad6 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/ExtensionControllerImplTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/ExtensionControllerImplTest.java
@@ -23,11 +23,12 @@
 import static org.mockito.Mockito.when;
 
 import android.content.res.Configuration;
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper;
 import android.testing.TestableLooper.RunWithLooper;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.systemui.Dependency;
 import com.android.systemui.SysuiTestCase;
 import com.android.systemui.plugins.OverlayPlugin;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/IconLoggerImplTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/IconLoggerImplTest.java
index 5c34730..7e3507a 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/IconLoggerImplTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/IconLoggerImplTest.java
@@ -31,21 +31,20 @@
 
 import static java.lang.Thread.sleep;
 
-import android.metrics.LogMaker;
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper;
 import android.testing.TestableLooper.MessageHandler;
 import android.testing.TestableLooper.RunWithLooper;
 import android.util.Log;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.internal.logging.MetricsLogger;
 import com.android.systemui.SysuiTestCase;
 
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.mockito.ArgumentMatcher;
 
 @RunWith(AndroidTestingRunner.class)
 @RunWithLooper
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/KeyButtonViewTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/KeyButtonViewTest.java
index f859235..39bdf20 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/KeyButtonViewTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/KeyButtonViewTest.java
@@ -21,12 +21,13 @@
 import static org.mockito.ArgumentMatchers.argThat;
 
 import android.metrics.LogMaker;
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper;
 import android.testing.TestableLooper.RunWithLooper;
 import android.view.KeyEvent;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.internal.logging.MetricsLogger;
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.systemui.SysuiTestCase;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/LocationControllerImplTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/LocationControllerImplTest.java
index e1b97bda..99023e2 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/LocationControllerImplTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/LocationControllerImplTest.java
@@ -20,11 +20,12 @@
 
 import android.content.Intent;
 import android.location.LocationManager;
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper;
 import android.testing.TestableLooper.RunWithLooper;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.systemui.SysuiTestCase;
 import com.android.systemui.statusbar.policy.LocationController.LocationChangeCallback;
 
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/NetworkControllerEthernetTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/NetworkControllerEthernetTest.java
index eefdeee..93cf3e8 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/NetworkControllerEthernetTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/NetworkControllerEthernetTest.java
@@ -1,7 +1,8 @@
 package com.android.systemui.statusbar.policy;
 
+import static junit.framework.Assert.assertEquals;
+
 import android.net.NetworkCapabilities;
-import android.support.test.runner.AndroidJUnit4;
 import android.test.suitebuilder.annotation.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper.RunWithLooper;
@@ -13,8 +14,6 @@
 import org.mockito.ArgumentCaptor;
 import org.mockito.Mockito;
 
-import static junit.framework.Assert.assertEquals;
-
 @SmallTest
 @RunWith(AndroidTestingRunner.class)
 @RunWithLooper
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/NetworkControllerSignalTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/NetworkControllerSignalTest.java
index c24336d..bcbba8b 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/NetworkControllerSignalTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/NetworkControllerSignalTest.java
@@ -15,11 +15,16 @@
  */
 package com.android.systemui.statusbar.policy;
 
+import static junit.framework.Assert.assertEquals;
+import static junit.framework.Assert.assertFalse;
+import static junit.framework.Assert.assertTrue;
+
+import static org.mockito.Mockito.mock;
+
 import android.content.Intent;
 import android.net.ConnectivityManager;
 import android.net.NetworkCapabilities;
 import android.os.Looper;
-import android.support.test.runner.AndroidJUnit4;
 import android.telephony.ServiceState;
 import android.telephony.SignalStrength;
 import android.telephony.SubscriptionInfo;
@@ -42,11 +47,6 @@
 import java.util.ArrayList;
 import java.util.List;
 
-import static junit.framework.Assert.assertEquals;
-import static junit.framework.Assert.assertTrue;
-import static junit.framework.Assert.assertFalse;
-import static org.mockito.Mockito.mock;
-
 @SmallTest
 @RunWith(AndroidTestingRunner.class)
 @RunWithLooper
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/RemoteInputQuickSettingsDisablerTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/RemoteInputQuickSettingsDisablerTest.java
index 3b47eae..02c9b92 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/RemoteInputQuickSettingsDisablerTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/RemoteInputQuickSettingsDisablerTest.java
@@ -14,9 +14,8 @@
 
 package com.android.systemui.statusbar.policy;
 
-import static com.google.common.truth.Truth.assertThat;
-
 import static junit.framework.TestCase.assertTrue;
+
 import static org.junit.Assert.assertFalse;
 import static org.mockito.ArgumentMatchers.anyBoolean;
 import static org.mockito.Mockito.atLeastOnce;
@@ -24,9 +23,10 @@
 import static org.mockito.Mockito.verify;
 
 import android.content.res.Configuration;
-import android.support.test.runner.AndroidJUnit4;
 import android.test.suitebuilder.annotation.SmallTest;
 
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.systemui.SysuiTestCase;
 import com.android.systemui.statusbar.CommandQueue;
 
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/RemoteInputViewTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/RemoteInputViewTest.java
index a6fa4f5..36c89b8 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/RemoteInputViewTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/RemoteInputViewTest.java
@@ -22,13 +22,14 @@
 import android.content.IntentFilter;
 import android.content.pm.ShortcutManager;
 import android.os.Handler;
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper;
 import android.view.View;
 import android.widget.EditText;
 import android.widget.ImageButton;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.systemui.Dependency;
 import com.android.systemui.R;
 import com.android.systemui.SysuiTestCase;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/SecurityControllerTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/SecurityControllerTest.java
index f76de5a..552ecc6 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/SecurityControllerTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/SecurityControllerTest.java
@@ -23,11 +23,9 @@
 import static org.mockito.Matchers.anyInt;
 import static org.mockito.Matchers.argThat;
 import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.when;
-import static org.mockito.Mockito.doThrow;
-import static org.mockito.Mockito.doNothing;
 import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
 
 import android.app.admin.DevicePolicyManager;
 import android.content.ComponentName;
@@ -37,28 +35,26 @@
 import android.content.pm.UserInfo;
 import android.net.ConnectivityManager;
 import android.net.ConnectivityManager.NetworkCallback;
-import android.net.NetworkCapabilities;
 import android.net.NetworkRequest;
 import android.os.UserManager;
 import android.security.IKeyChainService;
-import android.support.test.runner.AndroidJUnit4;
 import android.test.suitebuilder.annotation.SmallTest;
 
-import com.android.systemui.statusbar.policy.SecurityController.SecurityControllerCallback;
-import com.android.systemui.SysuiTestCase;
+import androidx.test.runner.AndroidJUnit4;
 
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.concurrent.CountDownLatch;
-import java.util.concurrent.TimeUnit;
-import java.util.List;
+import com.android.systemui.SysuiTestCase;
+import com.android.systemui.statusbar.policy.SecurityController.SecurityControllerCallback;
 
 import org.junit.After;
 import org.junit.Before;
-import org.junit.Ignore;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
 
 @SmallTest
 @RunWith(AndroidJUnit4.class)
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/SmartReplyViewTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/SmartReplyViewTest.java
index c573ca8..dbc88a0 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/SmartReplyViewTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/SmartReplyViewTest.java
@@ -33,7 +33,6 @@
 import android.content.IntentFilter;
 import android.content.res.Resources;
 import android.service.notification.StatusBarNotification;
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper;
 import android.view.View;
@@ -41,6 +40,8 @@
 import android.widget.Button;
 import android.widget.LinearLayout;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.keyguard.KeyguardHostView.OnDismissAction;
 import com.android.systemui.R;
 import com.android.systemui.SysuiTestCase;
@@ -48,8 +49,6 @@
 import com.android.systemui.statusbar.SmartReplyController;
 import com.android.systemui.statusbar.phone.KeyguardDismissUtil;
 
-import java.util.concurrent.atomic.AtomicReference;
-
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
@@ -57,6 +56,8 @@
 import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
 
+import java.util.concurrent.atomic.AtomicReference;
+
 @RunWith(AndroidTestingRunner.class)
 @TestableLooper.RunWithLooper
 @SmallTest
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/ZenModeControllerImplTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/ZenModeControllerImplTest.java
index 7437e834..ee5f2ed 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/ZenModeControllerImplTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/ZenModeControllerImplTest.java
@@ -27,10 +27,11 @@
 import android.os.Looper;
 import android.provider.Settings;
 import android.service.notification.ZenModeConfig;
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper.RunWithLooper;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.systemui.SysuiTestCase;
 import com.android.systemui.statusbar.policy.ZenModeController.Callback;
 
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/stack/NotificationChildrenContainerTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/stack/NotificationChildrenContainerTest.java
index 8a74019..2b0ad80 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/stack/NotificationChildrenContainerTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/stack/NotificationChildrenContainerTest.java
@@ -16,13 +16,13 @@
 
 package com.android.systemui.statusbar.stack;
 
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper.RunWithLooper;
 import android.view.NotificationHeaderView;
 import android.view.View;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.systemui.SysuiTestCase;
 import com.android.systemui.statusbar.ExpandableNotificationRow;
 import com.android.systemui.statusbar.NotificationTestHelper;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/stack/NotificationRoundnessManagerTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/stack/NotificationRoundnessManagerTest.java
index 16e69f4..01df783 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/stack/NotificationRoundnessManagerTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/stack/NotificationRoundnessManagerTest.java
@@ -20,11 +20,12 @@
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.verify;
 
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper.RunWithLooper;
 import android.view.View;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.systemui.SysuiTestCase;
 import com.android.systemui.statusbar.ExpandableNotificationRow;
 import com.android.systemui.statusbar.NotificationTestHelper;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/stack/NotificationStackScrollLayoutTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/stack/NotificationStackScrollLayoutTest.java
index 5400e3b..aaa691d 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/stack/NotificationStackScrollLayoutTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/stack/NotificationStackScrollLayoutTest.java
@@ -26,9 +26,9 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-import android.support.test.annotation.UiThreadTest;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+import androidx.test.annotation.UiThreadTest;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.systemui.ExpandHelper;
 import com.android.systemui.R;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/tuner/TunablePaddingTest.java b/packages/SystemUI/tests/src/com/android/systemui/tuner/TunablePaddingTest.java
index 3bfefe7..2af526b 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/tuner/TunablePaddingTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/tuner/TunablePaddingTest.java
@@ -20,14 +20,14 @@
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
-import static org.mockito.Mockito.withSettings;
 
-import android.support.test.filters.SmallTest;
 import android.testing.LeakCheck.Tracker;
 import android.util.DisplayMetrics;
 import android.view.View;
 import android.view.WindowManager;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.systemui.utils.leaks.LeakCheckedTest;
 
 import org.junit.Before;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/util/AsyncSensorManagerTest.java b/packages/SystemUI/tests/src/com/android/systemui/util/AsyncSensorManagerTest.java
index 469bdc0..6b605d7 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/util/AsyncSensorManagerTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/util/AsyncSensorManagerTest.java
@@ -24,9 +24,10 @@
 
 import android.hardware.SensorEventListener;
 import android.hardware.SensorManager;
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.systemui.SysuiTestCase;
 import com.android.systemui.utils.hardware.FakeSensorManager;
 
diff --git a/packages/SystemUI/tests/src/com/android/systemui/util/ChannelsTest.java b/packages/SystemUI/tests/src/com/android/systemui/util/ChannelsTest.java
index 50b4f3f..f5bcb0b 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/util/ChannelsTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/util/ChannelsTest.java
@@ -15,22 +15,20 @@
 package com.android.systemui.util;
 
 import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
-import static org.mockito.Matchers.eq;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.when;
 
-import android.app.Notification;
 import android.app.NotificationChannel;
 import android.app.NotificationManager;
 import android.content.Context;
 import android.net.Uri;
 import android.provider.Settings;
-import android.support.test.runner.AndroidJUnit4;
 import android.test.suitebuilder.annotation.SmallTest;
 import android.util.ArraySet;
+
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.systemui.SysuiTestCase;
 import com.android.systemui.util.NotificationChannels;
 
diff --git a/packages/SystemUI/tests/src/com/android/systemui/util/leak/GarbageMonitorTest.java b/packages/SystemUI/tests/src/com/android/systemui/util/leak/GarbageMonitorTest.java
index c095472..bcc20c2 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/util/leak/GarbageMonitorTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/util/leak/GarbageMonitorTest.java
@@ -24,11 +24,12 @@
 
 import android.content.Context;
 import android.os.Looper;
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper;
 import android.testing.TestableLooper.RunWithLooper;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.systemui.SysuiTestCase;
 
 import org.junit.Before;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/util/leak/LeakDetectorTest.java b/packages/SystemUI/tests/src/com/android/systemui/util/leak/LeakDetectorTest.java
index 11bb398..c68c920 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/util/leak/LeakDetectorTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/util/leak/LeakDetectorTest.java
@@ -17,8 +17,8 @@
 package com.android.systemui.util.leak;
 
 
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.systemui.SysuiTestCase;
 import com.android.systemui.util.leak.ReferenceTestUtils.CollectionWaiter;
@@ -28,8 +28,6 @@
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
-import java.io.FileDescriptor;
-import java.io.FileNotFoundException;
 import java.io.FileOutputStream;
 import java.io.PrintWriter;
 import java.util.ArrayList;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/util/leak/LeakReporterTest.java b/packages/SystemUI/tests/src/com/android/systemui/util/leak/LeakReporterTest.java
index 6711ce8..abec80e 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/util/leak/LeakReporterTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/util/leak/LeakReporterTest.java
@@ -24,8 +24,9 @@
 import static org.mockito.Mockito.verify;
 
 import android.app.NotificationManager;
-import android.support.test.filters.MediumTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.MediumTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.systemui.SysuiTestCase;
 
diff --git a/packages/SystemUI/tests/src/com/android/systemui/util/leak/ReferenceTestUtilsTest.java b/packages/SystemUI/tests/src/com/android/systemui/util/leak/ReferenceTestUtilsTest.java
index b8a3e39..726187d 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/util/leak/ReferenceTestUtilsTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/util/leak/ReferenceTestUtilsTest.java
@@ -18,8 +18,8 @@
 
 import static org.junit.Assert.assertEquals;
 
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.systemui.SysuiTestCase;
 
diff --git a/packages/SystemUI/tests/src/com/android/systemui/util/leak/WeakIdentityHashMapTest.java b/packages/SystemUI/tests/src/com/android/systemui/util/leak/WeakIdentityHashMapTest.java
index ce6212e..2b28e2f 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/util/leak/WeakIdentityHashMapTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/util/leak/WeakIdentityHashMapTest.java
@@ -20,8 +20,8 @@
 import static org.junit.Assert.assertNotSame;
 import static org.junit.Assert.assertTrue;
 
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.systemui.SysuiTestCase;
 import com.android.systemui.util.leak.ReferenceTestUtils.CollectionWaiter;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/util/wakelock/KeepAwakeAnimationListenerTest.java b/packages/SystemUI/tests/src/com/android/systemui/util/wakelock/KeepAwakeAnimationListenerTest.java
index 43942f7..f91e313 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/util/wakelock/KeepAwakeAnimationListenerTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/util/wakelock/KeepAwakeAnimationListenerTest.java
@@ -20,10 +20,11 @@
 import static org.mockito.Mockito.verify;
 
 import android.animation.Animator;
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.systemui.SysuiTestCase;
 
 import org.junit.Before;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/util/wakelock/SettableWakeLockTest.java b/packages/SystemUI/tests/src/com/android/systemui/util/wakelock/SettableWakeLockTest.java
index 39316ed..73a9e7e 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/util/wakelock/SettableWakeLockTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/util/wakelock/SettableWakeLockTest.java
@@ -21,8 +21,8 @@
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.systemui.SysuiTestCase;
 
diff --git a/packages/SystemUI/tests/src/com/android/systemui/util/wakelock/WakeLockTest.java b/packages/SystemUI/tests/src/com/android/systemui/util/wakelock/WakeLockTest.java
index d925364..4682b86 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/util/wakelock/WakeLockTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/util/wakelock/WakeLockTest.java
@@ -19,11 +19,10 @@
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
 
-import android.content.Context;
 import android.os.PowerManager;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.systemui.SysuiTestCase;
 
diff --git a/packages/SystemUI/tests/src/com/android/systemui/volume/UtilTest.java b/packages/SystemUI/tests/src/com/android/systemui/volume/UtilTest.java
index 6b20a1e..fb82b8f 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/volume/UtilTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/volume/UtilTest.java
@@ -16,7 +16,8 @@
 package com.android.systemui.volume;
 
 import android.media.MediaMetadata;
-import android.support.test.filters.SmallTest;
+
+import androidx.test.filters.SmallTest;
 
 import com.android.systemui.SysuiTestCase;
 
diff --git a/packages/SystemUI/tests/src/com/android/systemui/volume/VolumeDialogControllerImplTest.java b/packages/SystemUI/tests/src/com/android/systemui/volume/VolumeDialogControllerImplTest.java
index a4ed459..f4d0854 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/volume/VolumeDialogControllerImplTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/volume/VolumeDialogControllerImplTest.java
@@ -25,7 +25,9 @@
 import android.content.Context;
 import android.media.AudioManager;
 import android.media.session.MediaSession;
-import android.support.test.filters.SmallTest;
+
+import androidx.test.filters.SmallTest;
+
 import com.android.systemui.SysuiTestCase;
 import com.android.systemui.keyguard.WakefulnessLifecycle;
 import com.android.systemui.statusbar.phone.StatusBar;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/volume/VolumeDialogImplTest.java b/packages/SystemUI/tests/src/com/android/systemui/volume/VolumeDialogImplTest.java
index 43d60e4..329bbf4 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/volume/VolumeDialogImplTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/volume/VolumeDialogImplTest.java
@@ -16,32 +16,19 @@
 
 package com.android.systemui.volume;
 
-import static android.media.AudioManager.RINGER_MODE_NORMAL;
-import static android.media.AudioManager.RINGER_MODE_SILENT;
-import static android.media.AudioManager.RINGER_MODE_VIBRATE;
-import static android.media.AudioManager.STREAM_RING;
-
-import static com.android.systemui.volume.Events.DISMISS_REASON_UNKNOWN;
-import static com.android.systemui.volume.Events.SHOW_REASON_UNKNOWN;
 import static com.android.systemui.volume.VolumeDialogControllerImpl.STREAMS;
 
 import static junit.framework.Assert.assertTrue;
 
-import static org.mockito.Mockito.times;
-import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.when;
-
 import android.app.KeyguardManager;
 import android.media.AudioManager;
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper;
-import android.text.TextUtils;
 import android.view.View;
 import android.view.ViewGroup;
-import android.widget.ImageView;
 
-import com.android.systemui.R;
+import androidx.test.filters.SmallTest;
+
 import com.android.systemui.SysuiTestCase;
 import com.android.systemui.plugins.VolumeDialogController;
 import com.android.systemui.plugins.VolumeDialogController.State;
@@ -49,7 +36,6 @@
 
 import org.junit.Before;
 import org.junit.Ignore;
-import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
diff --git a/services/core/java/com/android/server/ConnectivityService.java b/services/core/java/com/android/server/ConnectivityService.java
index 6022887..ac71ae5 100644
--- a/services/core/java/com/android/server/ConnectivityService.java
+++ b/services/core/java/com/android/server/ConnectivityService.java
@@ -4095,12 +4095,14 @@
     }
 
     /**
-     * Return the information of all ongoing VPNs. This method is used by NetworkStatsService
-     * and not available in ConnectivityManager.
+     * Return the information of all ongoing VPNs.
+     *
+     * <p>This method is used to update NetworkStatsService.
+     *
+     * <p>Must be called on the handler thread.
      */
-    @Override
-    public VpnInfo[] getAllVpnInfo() {
-        enforceConnectivityInternalPermission();
+    private VpnInfo[] getAllVpnInfo() {
+        ensureRunningOnConnectivityServiceThread();
         synchronized (mVpns) {
             if (mLockdownEnabled) {
                 return new VpnInfo[0];
@@ -5562,6 +5564,8 @@
     }
 
     public void handleUpdateLinkProperties(NetworkAgentInfo nai, LinkProperties newLp) {
+        ensureRunningOnConnectivityServiceThread();
+
         if (getNetworkAgentInfoForNetId(nai.network.netId) != nai) {
             // Ignore updates for disconnected networks
             return;
@@ -6396,6 +6400,7 @@
      * Must be called on the handler thread.
      */
     private Network[] getDefaultNetworks() {
+        ensureRunningOnConnectivityServiceThread();
         ArrayList<Network> defaultNetworks = new ArrayList<>();
         NetworkAgentInfo defaultNetwork = getDefaultNetwork();
         for (NetworkAgentInfo nai : mNetworkAgentInfos.values()) {
@@ -6411,8 +6416,15 @@
      * properties tracked by NetworkStatsService on an active iface has changed.
      */
     private void notifyIfacesChangedForNetworkStats() {
+        ensureRunningOnConnectivityServiceThread();
+        String activeIface = null;
+        LinkProperties activeLinkProperties = getActiveLinkProperties();
+        if (activeLinkProperties != null) {
+            activeIface = activeLinkProperties.getInterfaceName();
+        }
         try {
-            mStatsService.forceUpdateIfaces(getDefaultNetworks());
+            mStatsService.forceUpdateIfaces(
+                    getDefaultNetworks(), getAllVpnInfo(), getAllNetworkState(), activeIface);
         } catch (Exception ignored) {
         }
     }
diff --git a/services/core/java/com/android/server/TelephonyRegistry.java b/services/core/java/com/android/server/TelephonyRegistry.java
index b4d45d4..d8a54f7 100644
--- a/services/core/java/com/android/server/TelephonyRegistry.java
+++ b/services/core/java/com/android/server/TelephonyRegistry.java
@@ -1454,7 +1454,7 @@
         synchronized (mRecords) {
             mPreciseDataConnectionState = new PreciseDataConnectionState(
                     TelephonyManager.DATA_UNKNOWN,TelephonyManager.NETWORK_TYPE_UNKNOWN,
-                    ApnSetting.getApnTypesBitmaskFromString(apnType), "", null,
+                    ApnSetting.getApnTypesBitmaskFromString(apnType), null, null,
                     DataFailCause.NONE);
             for (Record r : mRecords) {
                 if (r.matchPhoneStateListenerEvent(
@@ -1470,7 +1470,7 @@
         }
         broadcastDataConnectionFailed(apnType, subId);
         broadcastPreciseDataConnectionStateChanged(TelephonyManager.DATA_UNKNOWN,
-                TelephonyManager.NETWORK_TYPE_UNKNOWN, apnType, "", null,
+                TelephonyManager.NETWORK_TYPE_UNKNOWN, apnType, null, null,
                 DataFailCause.NONE);
     }
 
diff --git a/services/core/java/com/android/server/connectivity/TcpKeepaliveController.java b/services/core/java/com/android/server/connectivity/TcpKeepaliveController.java
index 8a9ac23..65de83b 100644
--- a/services/core/java/com/android/server/connectivity/TcpKeepaliveController.java
+++ b/services/core/java/com/android/server/connectivity/TcpKeepaliveController.java
@@ -16,10 +16,12 @@
 package com.android.server.connectivity;
 
 import static android.net.SocketKeepalive.DATA_RECEIVED;
+import static android.net.SocketKeepalive.ERROR_HARDWARE_UNSUPPORTED;
 import static android.net.SocketKeepalive.ERROR_INVALID_SOCKET;
 import static android.net.SocketKeepalive.ERROR_SOCKET_NOT_IDLE;
 import static android.os.MessageQueue.OnFileDescriptorEventListener.EVENT_ERROR;
 import static android.os.MessageQueue.OnFileDescriptorEventListener.EVENT_INPUT;
+import static android.system.OsConstants.ENOPROTOOPT;
 import static android.system.OsConstants.FIONREAD;
 import static android.system.OsConstants.IPPROTO_TCP;
 import static android.system.OsConstants.TIOCOUTQ;
@@ -179,12 +181,13 @@
             trw = NetworkUtils.getTcpRepairWindow(fd);
         } catch (ErrnoException e) {
             Log.e(TAG, "Exception reading TCP state from socket", e);
-            try {
-                Os.setsockoptInt(fd, IPPROTO_TCP, TCP_REPAIR, TCP_REPAIR_OFF);
-            } catch (ErrnoException ex) {
-                Log.e(TAG, "Exception while turning off repair mode due to exception", ex);
+            if (e.errno == ENOPROTOOPT) {
+                // ENOPROTOOPT may happen in kernel version lower than 4.8.
+                // Treat it as ERROR_HARDWARE_UNSUPPORTED.
+                throw new InvalidSocketException(ERROR_HARDWARE_UNSUPPORTED, e);
+            } else {
+                throw new InvalidSocketException(ERROR_INVALID_SOCKET, e);
             }
-            throw new InvalidSocketException(ERROR_INVALID_SOCKET, e);
         } finally {
             dropAllIncomingPackets(fd, false);
         }
diff --git a/services/core/java/com/android/server/connectivity/Tethering.java b/services/core/java/com/android/server/connectivity/Tethering.java
index c91e1a1..13ff30d 100644
--- a/services/core/java/com/android/server/connectivity/Tethering.java
+++ b/services/core/java/com/android/server/connectivity/Tethering.java
@@ -289,8 +289,8 @@
     }
 
     private void maybeUpdateConfiguration() {
-        final int dunCheck = TetheringConfiguration.checkDunRequired(mContext);
-        if (dunCheck == mConfig.dunCheck) return;
+        final boolean isDunRequired = TetheringConfiguration.checkDunRequired(mContext);
+        if (isDunRequired == mConfig.isDunRequired) return;
         updateConfiguration();
     }
 
diff --git a/services/core/java/com/android/server/connectivity/tethering/TetheringConfiguration.java b/services/core/java/com/android/server/connectivity/tethering/TetheringConfiguration.java
index 8a46ff1..935b795 100644
--- a/services/core/java/com/android/server/connectivity/tethering/TetheringConfiguration.java
+++ b/services/core/java/com/android/server/connectivity/tethering/TetheringConfiguration.java
@@ -67,11 +67,6 @@
 
     private static final String[] EMPTY_STRING_ARRAY = new String[0];
 
-    @VisibleForTesting
-    public static final int DUN_NOT_REQUIRED = 0;
-    public static final int DUN_REQUIRED = 1;
-    public static final int DUN_UNSPECIFIED = 2;
-
     // Default ranges used for the legacy DHCP server.
     // USB is  192.168.42.1 and 255.255.255.0
     // Wifi is 192.168.43.1 and 255.255.255.0
@@ -90,7 +85,6 @@
     public final String[] tetherableUsbRegexs;
     public final String[] tetherableWifiRegexs;
     public final String[] tetherableBluetoothRegexs;
-    public final int dunCheck;
     public final boolean isDunRequired;
     public final boolean chooseUpstreamAutomatically;
     public final Collection<Integer> preferredUpstreamIfaceTypes;
@@ -116,12 +110,10 @@
         tetherableWifiRegexs = getResourceStringArray(res, config_tether_wifi_regexs);
         tetherableBluetoothRegexs = getResourceStringArray(res, config_tether_bluetooth_regexs);
 
-        dunCheck = checkDunRequired(ctx);
-        configLog.log("DUN check returned: " + dunCheckString(dunCheck));
+        isDunRequired = checkDunRequired(ctx);
 
         chooseUpstreamAutomatically = getResourceBoolean(res, config_tether_upstream_automatic);
-        preferredUpstreamIfaceTypes = getUpstreamIfaceTypes(res, dunCheck);
-        isDunRequired = preferredUpstreamIfaceTypes.contains(TYPE_MOBILE_DUN);
+        preferredUpstreamIfaceTypes = getUpstreamIfaceTypes(res, isDunRequired);
 
         legacyDhcpRanges = getLegacyDhcpRanges(res);
         defaultIPv4DNS = copy(DEFAULT_IPV4_DNS);
@@ -230,53 +222,43 @@
         return upstreamNames;
     }
 
-    public static int checkDunRequired(Context ctx) {
+    /** Check whether dun is required. */
+    public static boolean checkDunRequired(Context ctx) {
         final TelephonyManager tm = (TelephonyManager) ctx.getSystemService(TELEPHONY_SERVICE);
-        return (tm != null) ? tm.getTetherApnRequired() : DUN_UNSPECIFIED;
+        return (tm != null) ? tm.getTetherApnRequired() : false;
     }
 
-    private static String dunCheckString(int dunCheck) {
-        switch (dunCheck) {
-            case DUN_NOT_REQUIRED: return "DUN_NOT_REQUIRED";
-            case DUN_REQUIRED:     return "DUN_REQUIRED";
-            case DUN_UNSPECIFIED:  return "DUN_UNSPECIFIED";
-            default:
-                return String.format("UNKNOWN (%s)", dunCheck);
-        }
-    }
-
-    private static Collection<Integer> getUpstreamIfaceTypes(Resources res, int dunCheck) {
+    private static Collection<Integer> getUpstreamIfaceTypes(Resources res, boolean dunRequired) {
         final int[] ifaceTypes = res.getIntArray(config_tether_upstream_types);
         final ArrayList<Integer> upstreamIfaceTypes = new ArrayList<>(ifaceTypes.length);
         for (int i : ifaceTypes) {
             switch (i) {
                 case TYPE_MOBILE:
                 case TYPE_MOBILE_HIPRI:
-                    if (dunCheck == DUN_REQUIRED) continue;
+                    if (dunRequired) continue;
                     break;
                 case TYPE_MOBILE_DUN:
-                    if (dunCheck == DUN_NOT_REQUIRED) continue;
+                    if (!dunRequired) continue;
                     break;
             }
             upstreamIfaceTypes.add(i);
         }
 
         // Fix up upstream interface types for DUN or mobile. NOTE: independent
-        // of the value of |dunCheck|, cell data of one form or another is
+        // of the value of |dunRequired|, cell data of one form or another is
         // *always* an upstream, regardless of the upstream interface types
         // specified by configuration resources.
-        if (dunCheck == DUN_REQUIRED) {
+        if (dunRequired) {
             appendIfNotPresent(upstreamIfaceTypes, TYPE_MOBILE_DUN);
-        } else if (dunCheck == DUN_NOT_REQUIRED) {
-            appendIfNotPresent(upstreamIfaceTypes, TYPE_MOBILE);
-            appendIfNotPresent(upstreamIfaceTypes, TYPE_MOBILE_HIPRI);
         } else {
-            // Fix upstream interface types for case DUN_UNSPECIFIED.
             // Do not modify if a cellular interface type is already present in the
             // upstream interface types. Add TYPE_MOBILE and TYPE_MOBILE_HIPRI if no
             // cellular interface types are found in the upstream interface types.
-            if (!(containsOneOf(upstreamIfaceTypes,
-                    TYPE_MOBILE_DUN, TYPE_MOBILE, TYPE_MOBILE_HIPRI))) {
+            // This preserves backwards compatibility and prevents the DUN and default
+            // mobile types incorrectly appearing together, which could happen on
+            // previous releases in the common case where checkDunRequired returned
+            // DUN_UNSPECIFIED.
+            if (!containsOneOf(upstreamIfaceTypes, TYPE_MOBILE, TYPE_MOBILE_HIPRI)) {
                 upstreamIfaceTypes.add(TYPE_MOBILE);
                 upstreamIfaceTypes.add(TYPE_MOBILE_HIPRI);
             }
diff --git a/services/core/java/com/android/server/net/NetworkStatsService.java b/services/core/java/com/android/server/net/NetworkStatsService.java
index 2e7cbc6..8fa435c 100644
--- a/services/core/java/com/android/server/net/NetworkStatsService.java
+++ b/services/core/java/com/android/server/net/NetworkStatsService.java
@@ -82,7 +82,6 @@
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
 import android.net.DataUsageRequest;
-import android.net.IConnectivityManager;
 import android.net.INetworkManagementEventObserver;
 import android.net.INetworkStatsService;
 import android.net.INetworkStatsSession;
@@ -195,8 +194,6 @@
 
     private final boolean mUseBpfTrafficStats;
 
-    private IConnectivityManager mConnManager;
-
     @VisibleForTesting
     public static final String ACTION_NETWORK_STATS_POLL =
             "com.android.server.action.NETWORK_STATS_POLL";
@@ -258,6 +255,7 @@
     private final ArrayMap<String, NetworkIdentitySet> mActiveUidIfaces = new ArrayMap<>();
 
     /** Current default active iface. */
+    @GuardedBy("mStatsLock")
     private String mActiveIface;
 
     /** Set of any ifaces associated with mobile networks since boot. */
@@ -268,6 +266,10 @@
     @GuardedBy("mStatsLock")
     private Network[] mDefaultNetworks = new Network[0];
 
+    /** Set containing info about active VPNs and their underlying networks. */
+    @GuardedBy("mStatsLock")
+    private VpnInfo[] mVpnInfos = new VpnInfo[0];
+
     private final DropBoxNonMonotonicObserver mNonMonotonicObserver =
             new DropBoxNonMonotonicObserver();
 
@@ -375,10 +377,6 @@
         mHandlerCallback = callback;
     }
 
-    public void bindConnectivityManager(IConnectivityManager connManager) {
-        mConnManager = checkNotNull(connManager, "missing IConnectivityManager");
-    }
-
     public void systemReady() {
         mSystemReady = true;
 
@@ -857,13 +855,17 @@
     }
 
     @Override
-    public void forceUpdateIfaces(Network[] defaultNetworks) {
+    public void forceUpdateIfaces(
+            Network[] defaultNetworks,
+            VpnInfo[] vpnArray,
+            NetworkState[] networkStates,
+            String activeIface) {
         mContext.enforceCallingOrSelfPermission(READ_NETWORK_USAGE_HISTORY, TAG);
         assertBandwidthControlEnabled();
 
         final long token = Binder.clearCallingIdentity();
         try {
-            updateIfaces(defaultNetworks);
+            updateIfaces(defaultNetworks, vpnArray, networkStates, activeIface);
         } finally {
             Binder.restoreCallingIdentity(token);
         }
@@ -1127,11 +1129,17 @@
         }
     };
 
-    private void updateIfaces(Network[] defaultNetworks) {
+    private void updateIfaces(
+            Network[] defaultNetworks,
+            VpnInfo[] vpnArray,
+            NetworkState[] networkStates,
+            String activeIface) {
         synchronized (mStatsLock) {
             mWakeLock.acquire();
             try {
-                updateIfacesLocked(defaultNetworks);
+                mVpnInfos = vpnArray;
+                mActiveIface = activeIface;
+                updateIfacesLocked(defaultNetworks, networkStates);
             } finally {
                 mWakeLock.release();
             }
@@ -1145,7 +1153,7 @@
      * {@link NetworkIdentitySet}.
      */
     @GuardedBy("mStatsLock")
-    private void updateIfacesLocked(Network[] defaultNetworks) {
+    private void updateIfacesLocked(Network[] defaultNetworks, NetworkState[] states) {
         if (!mSystemReady) return;
         if (LOGV) Slog.v(TAG, "updateIfacesLocked()");
 
@@ -1157,18 +1165,6 @@
         // will be persisted during next alarm poll event.
         performPollLocked(FLAG_PERSIST_NETWORK);
 
-        final NetworkState[] states;
-        final LinkProperties activeLink;
-        try {
-            states = mConnManager.getAllNetworkState();
-            activeLink = mConnManager.getActiveLinkProperties();
-        } catch (RemoteException e) {
-            // ignored; service lives in system_server
-            return;
-        }
-
-        mActiveIface = activeLink != null ? activeLink.getInterfaceName() : null;
-
         // Rebuild active interfaces based on connected networks
         mActiveIfaces.clear();
         mActiveUidIfaces.clear();
@@ -1280,7 +1276,7 @@
         Trace.traceEnd(TRACE_TAG_NETWORK);
 
         // For per-UID stats, pass the VPN info so VPN traffic is reattributed to responsible apps.
-        VpnInfo[] vpnArray = mConnManager.getAllVpnInfo();
+        VpnInfo[] vpnArray = mVpnInfos;
         Trace.traceBegin(TRACE_TAG_NETWORK, "recordUid");
         mUidRecorder.recordSnapshotLocked(uidSnapshot, mActiveUidIfaces, vpnArray, currentTime);
         Trace.traceEnd(TRACE_TAG_NETWORK);
diff --git a/services/core/java/com/android/server/pm/PackageDexOptimizer.java b/services/core/java/com/android/server/pm/PackageDexOptimizer.java
index 248a2f6..8018c2b 100644
--- a/services/core/java/com/android/server/pm/PackageDexOptimizer.java
+++ b/services/core/java/com/android/server/pm/PackageDexOptimizer.java
@@ -25,10 +25,12 @@
 import android.content.pm.dex.DexMetadataHelper;
 import android.os.FileUtils;
 import android.os.PowerManager;
+import android.os.Process;
 import android.os.SystemClock;
 import android.os.SystemProperties;
 import android.os.UserHandle;
 import android.os.WorkSource;
+import android.os.storage.StorageManager;
 import android.util.Log;
 import android.util.Slog;
 
@@ -148,6 +150,51 @@
         }
     }
 
+    int performDexOpt(SharedLibraryInfo info, String[] instructionSets, DexoptOptions options) {
+        String classLoaderContext = DexoptUtils.getClassLoaderContext(info);
+        final String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets);
+        String compilerFilter = PackageManagerServiceCompilerMapping.getCompilerFilterForReason(
+                PackageManagerService.REASON_SHARED);
+        int result = DEX_OPT_SKIPPED;
+        for (String instructionSet : dexCodeInstructionSets) {
+            int dexoptNeeded = getDexoptNeeded(
+                        info.getPath(), instructionSet, compilerFilter,
+                        classLoaderContext, false /* newProfile */,
+                        false /* downgrade */);
+            if (Math.abs(dexoptNeeded) == DexFile.NO_DEXOPT_NEEDED) {
+                continue;
+            }
+            // Special string recognized by installd.
+            final String packageName = "*";
+            final String outputPath = null;
+            int dexFlags = DEXOPT_PUBLIC
+                    | (options.isBootComplete() ? DEXOPT_BOOTCOMPLETE : 0)
+                    | (options.isDexoptIdleBackgroundJob() ? DEXOPT_IDLE_BACKGROUND_JOB : 0);
+            dexFlags = adjustDexoptFlags(dexFlags);
+            final String uuid = StorageManager.UUID_SYSTEM;
+            final String seInfo = null;
+            final int targetSdkVersion = 0;  // Builtin libraries targets the system's SDK version
+            try {
+                mInstaller.dexopt(info.getPath(), Process.SYSTEM_UID, packageName,
+                        instructionSet, dexoptNeeded, outputPath, dexFlags, compilerFilter,
+                        uuid, classLoaderContext, seInfo, false /* downgrade */,
+                        targetSdkVersion, /*profileName*/ null, /*dexMetadataPath*/ null,
+                        getReasonName(options.getCompilationReason()));
+                // The end result is:
+                //  - FAILED if any path failed,
+                //  - PERFORMED if at least one path needed compilation,
+                //  - SKIPPED when all paths are up to date
+                if (result != DEX_OPT_FAILED) {
+                    result = DEX_OPT_PERFORMED;
+                }
+            } catch (InstallerException e) {
+                Slog.w(TAG, "Failed to dexopt", e);
+                result = DEX_OPT_FAILED;
+            }
+        }
+        return result;
+    }
+
     /**
      * Performs dexopt on all code paths of the given package.
      * It assumes the install lock is held.
diff --git a/services/core/java/com/android/server/pm/PackageManagerService.java b/services/core/java/com/android/server/pm/PackageManagerService.java
index 96441c5..a98e2d3 100644
--- a/services/core/java/com/android/server/pm/PackageManagerService.java
+++ b/services/core/java/com/android/server/pm/PackageManagerService.java
@@ -9443,18 +9443,27 @@
         // at boot, or background job), the passed 'targetCompilerFilter' stays the same,
         // and the first package that uses the library will dexopt it. The
         // others will see that the compiled code for the library is up to date.
-        Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p);
+        Collection<SharedLibraryInfo> deps = findSharedLibraries(p);
         final String[] instructionSets = getAppDexInstructionSets(p.applicationInfo);
         if (!deps.isEmpty()) {
             DexoptOptions libraryOptions = new DexoptOptions(options.getPackageName(),
                     options.getCompilationReason(), options.getCompilerFilter(),
                     options.getSplitName(),
                     options.getFlags() | DexoptOptions.DEXOPT_AS_SHARED_LIBRARY);
-            for (PackageParser.Package depPackage : deps) {
-                // TODO: Analyze and investigate if we (should) profile libraries.
-                pdo.performDexOpt(depPackage, instructionSets,
-                        getOrCreateCompilerPackageStats(depPackage),
-                    mDexManager.getPackageUseInfoOrDefault(depPackage.packageName), libraryOptions);
+            for (SharedLibraryInfo info : deps) {
+                PackageParser.Package depPackage = null;
+                synchronized (mPackages) {
+                    depPackage = mPackages.get(info.getPackageName());
+                }
+                if (depPackage != null) {
+                    // TODO: Analyze and investigate if we (should) profile libraries.
+                    pdo.performDexOpt(depPackage, instructionSets,
+                            getOrCreateCompilerPackageStats(depPackage),
+                            mDexManager.getPackageUseInfoOrDefault(depPackage.packageName),
+                            libraryOptions);
+                } else {
+                    pdo.performDexOpt(info, instructionSets, libraryOptions);
+                }
             }
         }
         return pdo.performDexOpt(p, instructionSets,
@@ -9494,63 +9503,48 @@
         return BackgroundDexOptService.runIdleOptimizationsNow(this, mContext, packageNames);
     }
 
-    List<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) {
-        if (p.usesLibraries != null || p.usesOptionalLibraries != null
-                || p.usesStaticLibraries != null) {
-            ArrayList<PackageParser.Package> retValue = new ArrayList<>();
+    private static List<SharedLibraryInfo> findSharedLibraries(PackageParser.Package p) {
+        if (p.usesLibraryInfos != null) {
+            ArrayList<SharedLibraryInfo> retValue = new ArrayList<>();
             Set<String> collectedNames = new HashSet<>();
-            findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames);
-
-            retValue.remove(p);
-
+            for (SharedLibraryInfo info : p.usesLibraryInfos) {
+                findSharedLibrariesRecursive(info, retValue, collectedNames);
+            }
             return retValue;
         } else {
             return Collections.emptyList();
         }
     }
 
-    private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p,
-            ArrayList<PackageParser.Package> collected, Set<String> collectedNames) {
-        if (!collectedNames.contains(p.packageName)) {
-            collectedNames.add(p.packageName);
-            collected.add(p);
+    private static void findSharedLibrariesRecursive(SharedLibraryInfo info,
+            ArrayList<SharedLibraryInfo> collected, Set<String> collectedNames) {
+        if (!collectedNames.contains(info.getName())) {
+            collectedNames.add(info.getName());
+            collected.add(info);
 
-            if (p.usesLibraries != null) {
-                findSharedNonSystemLibrariesRecursive(p.usesLibraries,
-                        null, collected, collectedNames);
-            }
-            if (p.usesOptionalLibraries != null) {
-                findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries,
-                        null, collected, collectedNames);
-            }
-            if (p.usesStaticLibraries != null) {
-                findSharedNonSystemLibrariesRecursive(p.usesStaticLibraries,
-                        p.usesStaticLibrariesVersions, collected, collectedNames);
+            if (info.getDependencies() != null) {
+                for (SharedLibraryInfo dep : info.getDependencies()) {
+                    findSharedLibrariesRecursive(dep, collected, collectedNames);
+                }
             }
         }
     }
 
-    private void findSharedNonSystemLibrariesRecursive(ArrayList<String> libs, long[] versions,
-            ArrayList<PackageParser.Package> collected, Set<String> collectedNames) {
-        final int libNameCount = libs.size();
-        for (int i = 0; i < libNameCount; i++) {
-            String libName = libs.get(i);
-            long version = (versions != null && versions.length == libNameCount)
-                    ? versions[i] : PackageManager.VERSION_CODE_HIGHEST;
-            PackageParser.Package libPkg = findSharedNonSystemLibrary(libName, version);
-            if (libPkg != null) {
-                findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames);
+    List<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package pkg) {
+        List<SharedLibraryInfo> deps = findSharedLibraries(pkg);
+        if (!deps.isEmpty()) {
+            ArrayList<PackageParser.Package> retValue = new ArrayList<>();
+            synchronized (mPackages) {
+                for (SharedLibraryInfo info : deps) {
+                    PackageParser.Package depPackage = mPackages.get(info.getPackageName());
+                    if (depPackage != null) {
+                        retValue.add(depPackage);
+                    }
+                }
             }
-        }
-    }
-
-    private PackageParser.Package findSharedNonSystemLibrary(String name, long version) {
-        synchronized (mPackages) {
-            SharedLibraryInfo libraryInfo = getSharedLibraryInfoLPr(name, version);
-            if (libraryInfo != null) {
-                return mPackages.get(libraryInfo.getPackageName());
-            }
-            return null;
+            return retValue;
+        } else {
+            return Collections.emptyList();
         }
     }
 
diff --git a/services/core/java/com/android/server/pm/dex/DexoptUtils.java b/services/core/java/com/android/server/pm/dex/DexoptUtils.java
index 91ad11e..5a473c1 100644
--- a/services/core/java/com/android/server/pm/dex/DexoptUtils.java
+++ b/services/core/java/com/android/server/pm/dex/DexoptUtils.java
@@ -174,6 +174,18 @@
     }
 
     /**
+     * Creates the class loader context for the given shared library.
+     */
+    public static String getClassLoaderContext(SharedLibraryInfo info) {
+        String sharedLibrariesContext = "";
+        if (info.getDependencies() != null) {
+            sharedLibrariesContext = encodeSharedLibraries(info.getDependencies());
+        }
+        return encodeClassLoader(
+                "", SHARED_LIBRARY_LOADER_TYPE, sharedLibrariesContext);
+    }
+
+    /**
      * Recursive method to generate the class loader context dependencies for the split with the
      * given index. {@param classLoaderContexts} acts as an accumulator. Upton return
      * {@code classLoaderContexts[index]} will contain the split dependency.
diff --git a/services/java/com/android/server/SystemServer.java b/services/java/com/android/server/SystemServer.java
index 2733da9..6cbb35b 100644
--- a/services/java/com/android/server/SystemServer.java
+++ b/services/java/com/android/server/SystemServer.java
@@ -1235,7 +1235,6 @@
                 ServiceManager.addService(Context.CONNECTIVITY_SERVICE, connectivity,
                             /* allowIsolated= */ false,
                     DUMP_FLAG_PRIORITY_HIGH | DUMP_FLAG_PRIORITY_NORMAL);
-                networkStats.bindConnectivityManager(connectivity);
                 networkPolicy.bindConnectivityManager(connectivity);
             } catch (Throwable e) {
                 reportWtf("starting Connectivity Service", e);
diff --git a/services/tests/servicestests/Android.bp b/services/tests/servicestests/Android.bp
index d2d6e32..d148ea1 100644
--- a/services/tests/servicestests/Android.bp
+++ b/services/tests/servicestests/Android.bp
@@ -27,7 +27,7 @@
         "services.net",
         "services.usage",
         "guava",
-        "android-support-test",
+        "androidx.test.rules",
         "mockito-target-minus-junit4",
         "platform-test-annotations",
         "ShortcutManagerTestUtils",
@@ -85,7 +85,7 @@
         "utils/**/*.java",
     ],
     static_libs: [
-        "android-support-test",
+        "androidx.test.rules",
         "mockito-target-minus-junit4",
     ],
     libs: [
diff --git a/services/tests/servicestests/AndroidManifest.xml b/services/tests/servicestests/AndroidManifest.xml
index 13ba229..5a0f3a4 100644
--- a/services/tests/servicestests/AndroidManifest.xml
+++ b/services/tests/servicestests/AndroidManifest.xml
@@ -222,7 +222,7 @@
     </application>
 
     <instrumentation
-        android:name="android.support.test.runner.AndroidJUnitRunner"
+        android:name="androidx.test.runner.AndroidJUnitRunner"
         android:targetPackage="com.android.frameworks.servicestests"
         android:label="Frameworks Services Tests" />
 </manifest>
diff --git a/services/tests/servicestests/AndroidTest.xml b/services/tests/servicestests/AndroidTest.xml
index 5ac68d4..4d653b9 100644
--- a/services/tests/servicestests/AndroidTest.xml
+++ b/services/tests/servicestests/AndroidTest.xml
@@ -28,7 +28,7 @@
     <option name="test-tag" value="FrameworksServicesTests" />
     <test class="com.android.tradefed.testtype.AndroidJUnitTest" >
         <option name="package" value="com.android.frameworks.servicestests" />
-        <option name="runner" value="android.support.test.runner.AndroidJUnitRunner" />
+        <option name="runner" value="androidx.test.runner.AndroidJUnitRunner" />
         <option name="hidden-api-checks" value="false"/>
     </test>
 </configuration>
diff --git a/services/tests/servicestests/src/com/android/server/AlarmManagerServiceTest.java b/services/tests/servicestests/src/com/android/server/AlarmManagerServiceTest.java
index 918807d..1f63d61 100644
--- a/services/tests/servicestests/src/com/android/server/AlarmManagerServiceTest.java
+++ b/services/tests/servicestests/src/com/android/server/AlarmManagerServiceTest.java
@@ -20,10 +20,11 @@
 
 import static org.junit.Assert.assertEquals;
 
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.SparseArray;
 
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.internal.util.ObjectUtils;
 import com.android.server.AlarmManagerService.Alarm;
 
diff --git a/services/tests/servicestests/src/com/android/server/AppOpsUpgradeTest.java b/services/tests/servicestests/src/com/android/server/AppOpsUpgradeTest.java
index 4d77fab..aac96a1 100644
--- a/services/tests/servicestests/src/com/android/server/AppOpsUpgradeTest.java
+++ b/services/tests/servicestests/src/com/android/server/AppOpsUpgradeTest.java
@@ -25,13 +25,14 @@
 import android.content.res.AssetManager;
 import android.os.Handler;
 import android.os.HandlerThread;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.Log;
 import android.util.SparseArray;
 import android.util.Xml;
 
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/services/tests/servicestests/src/com/android/server/BatteryServiceTest.java b/services/tests/servicestests/src/com/android/server/BatteryServiceTest.java
index 106f9e8..cb12ba7 100644
--- a/services/tests/servicestests/src/com/android/server/BatteryServiceTest.java
+++ b/services/tests/servicestests/src/com/android/server/BatteryServiceTest.java
@@ -17,28 +17,25 @@
 package com.android.server;
 
 import static junit.framework.Assert.*;
+
 import static org.mockito.Mockito.*;
 
 import android.hardware.health.V2_0.IHealth;
 import android.hidl.manager.V1_0.IServiceManager;
 import android.hidl.manager.V1_0.IServiceNotification;
-import android.os.RemoteException;
-import android.support.test.filters.SmallTest;
 import android.test.AndroidTestCase;
-import android.util.Slog;
+
+import androidx.test.filters.SmallTest;
+
+import org.mockito.ArgumentMatcher;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.mockito.invocation.InvocationOnMock;
 
 import java.util.Arrays;
 import java.util.Collection;
 import java.util.NoSuchElementException;
 
-import org.junit.runner.RunWith;
-import org.mockito.ArgumentMatcher;
-import org.mockito.Mock;
-import org.mockito.MockitoAnnotations;
-import org.mockito.Spy;
-import org.mockito.invocation.InvocationOnMock;
-
-
 public class BatteryServiceTest extends AndroidTestCase {
 
     @Mock IServiceManager mMockedManager;
diff --git a/services/tests/servicestests/src/com/android/server/BootReceiverFixFsckFsStatTest.java b/services/tests/servicestests/src/com/android/server/BootReceiverFixFsckFsStatTest.java
index 69c1499..9ba3308 100644
--- a/services/tests/servicestests/src/com/android/server/BootReceiverFixFsckFsStatTest.java
+++ b/services/tests/servicestests/src/com/android/server/BootReceiverFixFsckFsStatTest.java
@@ -18,10 +18,8 @@
 
 import static junit.framework.Assert.*;
 
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
-
-import junit.framework.Assert;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/services/tests/servicestests/src/com/android/server/GestureLauncherServiceTest.java b/services/tests/servicestests/src/com/android/server/GestureLauncherServiceTest.java
index 33e4165..2ec6830 100644
--- a/services/tests/servicestests/src/com/android/server/GestureLauncherServiceTest.java
+++ b/services/tests/servicestests/src/com/android/server/GestureLauncherServiceTest.java
@@ -33,12 +33,13 @@
 import android.os.UserHandle;
 import android.platform.test.annotations.Presubmit;
 import android.provider.Settings;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.test.mock.MockContentResolver;
-import android.view.KeyEvent;
 import android.util.MutableBoolean;
+import android.view.KeyEvent;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.internal.logging.MetricsLogger;
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
@@ -46,17 +47,16 @@
 import com.android.server.LocalServices;
 import com.android.server.statusbar.StatusBarManagerInternal;
 
-import java.util.List;
-
 import org.junit.Before;
 import org.junit.BeforeClass;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.junit.runners.JUnit4;
 import org.mockito.ArgumentCaptor;
 import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
 
+import java.util.List;
+
 /**
  * Unit tests for {@link GestureLauncherService}.
  * runtest frameworks-services -c com.android.server.GestureLauncherServiceTest
diff --git a/services/tests/servicestests/src/com/android/server/NetworkManagementInternalTest.java b/services/tests/servicestests/src/com/android/server/NetworkManagementInternalTest.java
index a5ac20e..ebbebcb 100644
--- a/services/tests/servicestests/src/com/android/server/NetworkManagementInternalTest.java
+++ b/services/tests/servicestests/src/com/android/server/NetworkManagementInternalTest.java
@@ -29,10 +29,11 @@
 import static org.junit.Assert.assertTrue;
 
 import android.net.NetworkPolicyManager;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.ArrayMap;
 
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -52,7 +53,7 @@
  * Install: adb install -r \
  *     ${ANDROID_PRODUCT_OUT}/data/app/FrameworksServicesTests/FrameworksServicesTests.apk
  * Run: adb shell am instrument -e class com.android.server.NetworkManagementInternalTest -w \
- *     com.android.frameworks.servicestests/android.support.test.runner.AndroidJUnitRunner
+ *     com.android.frameworks.servicestests/androidx.test.runner.AndroidJUnitRunner
  */
 @SmallTest
 @RunWith(AndroidJUnit4.class)
diff --git a/services/tests/servicestests/src/com/android/server/NetworkPolicyManagerServiceTest.java b/services/tests/servicestests/src/com/android/server/NetworkPolicyManagerServiceTest.java
index 39b6391..85d0c4c 100644
--- a/services/tests/servicestests/src/com/android/server/NetworkPolicyManagerServiceTest.java
+++ b/services/tests/servicestests/src/com/android/server/NetworkPolicyManagerServiceTest.java
@@ -122,8 +122,6 @@
 import android.os.SimpleClock;
 import android.os.SystemClock;
 import android.os.UserHandle;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.runner.AndroidJUnit4;
 import android.telephony.CarrierConfigManager;
 import android.telephony.SubscriptionManager;
 import android.telephony.SubscriptionPlan;
@@ -137,6 +135,9 @@
 import android.util.Range;
 import android.util.RecurrenceRule;
 
+import androidx.test.InstrumentationRegistry;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.internal.telephony.PhoneConstants;
 import com.android.internal.util.test.BroadcastInterceptingContext;
 import com.android.internal.util.test.BroadcastInterceptingContext.FutureIntent;
@@ -144,11 +145,11 @@
 import com.android.server.net.NetworkPolicyManagerService;
 import com.android.server.net.NetworkStatsManagerInternal;
 
+import com.google.common.util.concurrent.AbstractFuture;
+
 import libcore.io.IoUtils;
 import libcore.io.Streams;
 
-import com.google.common.util.concurrent.AbstractFuture;
-
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Rule;
@@ -200,7 +201,7 @@
     m -j32 FrameworksServicesTests && adb install -r -g \
     ${ANDROID_PRODUCT_OUT}/data/app/FrameworksServicesTests/FrameworksServicesTests.apk && \
     adb shell am instrument -e class "com.android.server.NetworkPolicyManagerServiceTest" -w \
-    "com.android.frameworks.servicestests/android.support.test.runner.AndroidJUnitRunner"
+    "com.android.frameworks.servicestests/androidx.test.runner.AndroidJUnitRunner"
  * </code></pre>
  */
 @RunWith(AndroidJUnit4.class)
diff --git a/services/tests/servicestests/src/com/android/server/NetworkScoreServiceTest.java b/services/tests/servicestests/src/com/android/server/NetworkScoreServiceTest.java
index 4176d2a..e9e96c9 100644
--- a/services/tests/servicestests/src/com/android/server/NetworkScoreServiceTest.java
+++ b/services/tests/servicestests/src/com/android/server/NetworkScoreServiceTest.java
@@ -24,14 +24,12 @@
 import static junit.framework.Assert.fail;
 
 import static org.mockito.Matchers.any;
-import static org.mockito.Matchers.anyBoolean;
 import static org.mockito.Matchers.anyListOf;
 import static org.mockito.Matchers.anyString;
 import static org.mockito.Matchers.eq;
 import static org.mockito.Mockito.atLeastOnce;
 import static org.mockito.Mockito.doThrow;
 import static org.mockito.Mockito.never;
-import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.timeout;
 import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
@@ -47,7 +45,6 @@
 import android.content.pm.PackageManager;
 import android.content.pm.PackageManagerInternal;
 import android.content.res.Resources;
-import android.database.ContentObserver;
 import android.net.INetworkRecommendationProvider;
 import android.net.INetworkScoreCache;
 import android.net.NetworkKey;
@@ -69,9 +66,10 @@
 import android.os.RemoteException;
 import android.os.UserHandle;
 import android.provider.Settings;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.MediumTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.MediumTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.server.devicepolicy.MockUtils;
 
diff --git a/services/tests/servicestests/src/com/android/server/NetworkScorerAppManagerTest.java b/services/tests/servicestests/src/com/android/server/NetworkScorerAppManagerTest.java
index 6874624..52428e8 100644
--- a/services/tests/servicestests/src/com/android/server/NetworkScorerAppManagerTest.java
+++ b/services/tests/servicestests/src/com/android/server/NetworkScorerAppManagerTest.java
@@ -34,7 +34,6 @@
 import android.app.AppOpsManager;
 import android.content.ComponentName;
 import android.content.Context;
-import android.content.Intent;
 import android.content.pm.ActivityInfo;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
@@ -45,14 +44,14 @@
 import android.net.NetworkScorerAppData;
 import android.os.Bundle;
 import android.provider.Settings;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.internal.R;
 
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.mockito.ArgumentMatcher;
 import org.mockito.Mock;
 import org.mockito.Mockito;
 import org.mockito.MockitoAnnotations;
diff --git a/services/tests/servicestests/src/com/android/server/WatchdogDiagnosticsTest.java b/services/tests/servicestests/src/com/android/server/WatchdogDiagnosticsTest.java
index 6e76b67..4d229ef 100644
--- a/services/tests/servicestests/src/com/android/server/WatchdogDiagnosticsTest.java
+++ b/services/tests/servicestests/src/com/android/server/WatchdogDiagnosticsTest.java
@@ -18,14 +18,14 @@
 
 import static org.junit.Assert.assertEquals;
 
-import android.support.test.runner.AndroidJUnit4;
-
-import java.io.PrintWriter;
-import java.io.StringWriter;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
+import java.io.PrintWriter;
+import java.io.StringWriter;
+
 /**
  * Unit tests for {@link WatchdogDiagnostics}
  */
diff --git a/services/tests/servicestests/src/com/android/server/accessibility/AccessibilityManagerTest.java b/services/tests/servicestests/src/com/android/server/accessibility/AccessibilityManagerTest.java
index 5d09e31..4c0f38a 100644
--- a/services/tests/servicestests/src/com/android/server/accessibility/AccessibilityManagerTest.java
+++ b/services/tests/servicestests/src/com/android/server/accessibility/AccessibilityManagerTest.java
@@ -18,6 +18,7 @@
 
 import static junit.framework.TestCase.assertFalse;
 import static junit.framework.TestCase.assertSame;
+
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
@@ -30,13 +31,14 @@
 import android.app.Instrumentation;
 import android.os.Looper;
 import android.os.UserHandle;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.runner.AndroidJUnit4;
 import android.view.accessibility.AccessibilityEvent;
 import android.view.accessibility.AccessibilityManager;
 import android.view.accessibility.IAccessibilityManager;
 import android.view.accessibility.IAccessibilityManagerClient;
 
+import androidx.test.InstrumentationRegistry;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.internal.util.IntPair;
 
 import org.junit.Before;
diff --git a/services/tests/servicestests/src/com/android/server/accessibility/KeyEventDispatcherTest.java b/services/tests/servicestests/src/com/android/server/accessibility/KeyEventDispatcherTest.java
index 1819398..236b458 100644
--- a/services/tests/servicestests/src/com/android/server/accessibility/KeyEventDispatcherTest.java
+++ b/services/tests/servicestests/src/com/android/server/accessibility/KeyEventDispatcherTest.java
@@ -19,6 +19,7 @@
 import static junit.framework.TestCase.assertEquals;
 import static junit.framework.TestCase.assertFalse;
 import static junit.framework.TestCase.assertTrue;
+
 import static org.mockito.Matchers.anyInt;
 import static org.mockito.Matchers.anyLong;
 import static org.mockito.Matchers.anyObject;
@@ -30,11 +31,6 @@
 import static org.mockito.Mockito.when;
 import static org.mockito.hamcrest.MockitoHamcrest.argThat;
 
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collections;
-import java.util.List;
-
 import android.content.Context;
 import android.os.Handler;
 import android.os.IPowerManager;
@@ -42,9 +38,10 @@
 import android.os.Message;
 import android.os.PowerManager;
 import android.os.RemoteException;
-import android.support.test.runner.AndroidJUnit4;
 import android.view.KeyEvent;
 
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.server.accessibility.KeyEventDispatcher.KeyEventFilter;
 import com.android.server.policy.WindowManagerPolicy;
 
@@ -56,6 +53,11 @@
 import org.junit.runner.RunWith;
 import org.mockito.ArgumentCaptor;
 
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+
 /**
  * Tests for KeyEventDispatcher
  */
diff --git a/services/tests/servicestests/src/com/android/server/accessibility/KeyboardInterceptorTest.java b/services/tests/servicestests/src/com/android/server/accessibility/KeyboardInterceptorTest.java
index ceb3f9d..851e221 100644
--- a/services/tests/servicestests/src/com/android/server/accessibility/KeyboardInterceptorTest.java
+++ b/services/tests/servicestests/src/com/android/server/accessibility/KeyboardInterceptorTest.java
@@ -23,14 +23,19 @@
 import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Matchers.anyInt;
 import static org.mockito.Matchers.anyObject;
-import static org.mockito.Matchers.isNull;
-import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 import static org.mockito.hamcrest.MockitoHamcrest.argThat;
 
-import org.hamcrest.BaseMatcher;
+import android.os.Looper;
+import android.view.KeyEvent;
+
+import androidx.test.runner.AndroidJUnit4;
+
+import com.android.server.policy.WindowManagerPolicy;
+import com.android.server.policy.WindowManagerPolicy.WindowState;
+
 import org.hamcrest.Description;
 import org.hamcrest.TypeSafeMatcher;
 import org.junit.Before;
@@ -42,13 +47,6 @@
 import org.mockito.Mockito;
 import org.mockito.MockitoAnnotations;
 
-import android.os.Looper;
-import android.support.test.runner.AndroidJUnit4;
-import android.view.KeyEvent;
-
-import com.android.server.policy.WindowManagerPolicy;
-import com.android.server.policy.WindowManagerPolicy.WindowState;
-
 /**
  * Tests for KeyboardInterceptor
  */
diff --git a/services/tests/servicestests/src/com/android/server/accessibility/MagnificationControllerTest.java b/services/tests/servicestests/src/com/android/server/accessibility/MagnificationControllerTest.java
index d3a30909..cda4a4b 100644
--- a/services/tests/servicestests/src/com/android/server/accessibility/MagnificationControllerTest.java
+++ b/services/tests/servicestests/src/com/android/server/accessibility/MagnificationControllerTest.java
@@ -17,9 +17,9 @@
 package com.android.server.accessibility;
 
 import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertThat;
 import static org.junit.Assert.assertTrue;
-import static org.junit.Assert.assertFalse;
 import static org.mockito.ArgumentMatchers.anyFloat;
 import static org.mockito.Matchers.anyObject;
 import static org.mockito.Matchers.eq;
@@ -43,9 +43,10 @@
 import android.os.Handler;
 import android.os.Looper;
 import android.os.Message;
-import android.support.test.runner.AndroidJUnit4;
 import android.view.MagnificationSpec;
 
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.internal.R;
 import com.android.server.wm.WindowManagerInternal;
 import com.android.server.wm.WindowManagerInternal.MagnificationCallbacks;
diff --git a/services/tests/servicestests/src/com/android/server/accessibility/MagnificationGestureHandlerTest.java b/services/tests/servicestests/src/com/android/server/accessibility/MagnificationGestureHandlerTest.java
index 23fe0ff..79e4d70 100644
--- a/services/tests/servicestests/src/com/android/server/accessibility/MagnificationGestureHandlerTest.java
+++ b/services/tests/servicestests/src/com/android/server/accessibility/MagnificationGestureHandlerTest.java
@@ -35,12 +35,13 @@
 import android.annotation.NonNull;
 import android.content.Context;
 import android.os.Message;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.DebugUtils;
 import android.view.InputDevice;
 import android.view.MotionEvent;
 
+import androidx.test.InstrumentationRegistry;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.server.testutils.OffsettableClock;
 import com.android.server.testutils.TestHandler;
 
@@ -50,7 +51,6 @@
 
 import java.util.function.IntConsumer;
 
-
 /**
  * Tests the state transitions of {@link MagnificationGestureHandler}
  *
diff --git a/services/tests/servicestests/src/com/android/server/accessibility/MotionEventInjectorTest.java b/services/tests/servicestests/src/com/android/server/accessibility/MotionEventInjectorTest.java
index 6cacb1f..5f0fa87 100644
--- a/services/tests/servicestests/src/com/android/server/accessibility/MotionEventInjectorTest.java
+++ b/services/tests/servicestests/src/com/android/server/accessibility/MotionEventInjectorTest.java
@@ -19,6 +19,7 @@
 import static android.view.MotionEvent.ACTION_DOWN;
 import static android.view.MotionEvent.ACTION_UP;
 import static android.view.WindowManagerPolicyConstants.FLAG_PASS_TO_USER;
+
 import static org.hamcrest.CoreMatchers.allOf;
 import static org.hamcrest.CoreMatchers.anyOf;
 import static org.hamcrest.CoreMatchers.everyItem;
@@ -45,18 +46,14 @@
 import android.os.Looper;
 import android.os.Message;
 import android.os.RemoteException;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.Log;
-import android.util.Pair;
 import android.view.InputDevice;
 import android.view.KeyEvent;
 import android.view.MotionEvent;
-
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.List;
-
 import android.view.accessibility.AccessibilityEvent;
+
+import androidx.test.runner.AndroidJUnit4;
+
 import org.hamcrest.Description;
 import org.hamcrest.Matcher;
 import org.hamcrest.TypeSafeMatcher;
@@ -66,6 +63,10 @@
 import org.junit.runner.RunWith;
 import org.mockito.ArgumentCaptor;
 
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
 /**
  * Tests for MotionEventInjector
  */
diff --git a/services/tests/servicestests/src/com/android/server/accounts/AccountManagerServiceTest.java b/services/tests/servicestests/src/com/android/server/accounts/AccountManagerServiceTest.java
index f2057c5..7a96f4c 100644
--- a/services/tests/servicestests/src/com/android/server/accounts/AccountManagerServiceTest.java
+++ b/services/tests/servicestests/src/com/android/server/accounts/AccountManagerServiceTest.java
@@ -17,6 +17,7 @@
 package com.android.server.accounts;
 
 import static android.database.sqlite.SQLiteDatabase.deleteDatabase;
+
 import static org.mockito.Matchers.any;
 import static org.mockito.Matchers.anyBoolean;
 import static org.mockito.Matchers.anyInt;
@@ -25,7 +26,6 @@
 import static org.mockito.Mockito.atLeast;
 import static org.mockito.Mockito.never;
 import static org.mockito.Mockito.nullable;
-import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
@@ -35,11 +35,10 @@
 import android.accounts.CantAddAccountActivity;
 import android.accounts.IAccountManagerResponse;
 import android.app.AppOpsManager;
+import android.app.INotificationManager;
 import android.app.admin.DevicePolicyManager;
 import android.app.admin.DevicePolicyManagerInternal;
-import android.app.INotificationManager;
 import android.content.BroadcastReceiver;
-import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
@@ -68,7 +67,6 @@
 import android.test.suitebuilder.annotation.SmallTest;
 import android.util.Log;
 
-import com.android.frameworks.servicestests.R;
 import com.android.server.LocalServices;
 
 import org.mockito.ArgumentCaptor;
@@ -91,7 +89,6 @@
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.atomic.AtomicLong;
 
-
 /**
  * Tests for {@link AccountManagerService}.
  * <p>Run with:<pre>
@@ -99,7 +96,7 @@
  * adb install -r ${OUT}/data/app/FrameworksServicesTests/FrameworksServicesTests.apk
  * adb shell am instrument -w -e package com.android.server.accounts \
  * com.android.frameworks.servicestests\
- * /android.support.test.runner.AndroidJUnitRunner
+ * /androidx.test.runner.AndroidJUnitRunner
  * </pre>
  */
 public class AccountManagerServiceTest extends AndroidTestCase {
diff --git a/services/tests/servicestests/src/com/android/server/accounts/AccountsDbTest.java b/services/tests/servicestests/src/com/android/server/accounts/AccountsDbTest.java
index 65920fd..6b53002 100644
--- a/services/tests/servicestests/src/com/android/server/accounts/AccountsDbTest.java
+++ b/services/tests/servicestests/src/com/android/server/accounts/AccountsDbTest.java
@@ -30,11 +30,12 @@
 import android.database.Cursor;
 import android.database.sqlite.SQLiteStatement;
 import android.os.Build;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.runner.AndroidJUnit4;
 import android.test.suitebuilder.annotation.SmallTest;
 import android.util.Pair;
 
+import androidx.test.InstrumentationRegistry;
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
@@ -55,7 +56,7 @@
  * adb install \
  * -r out/target/product/marlin/data/app/FrameworksServicesTests/FrameworksServicesTests.apk &&
  * adb shell am instrument -e class com.android.server.accounts.AccountsDbTest \
- * -w com.android.frameworks.servicestests/android.support.test.runner.AndroidJUnitRunner
+ * -w com.android.frameworks.servicestests/androidx.test.runner.AndroidJUnitRunner
  * </pre>
  */
 @RunWith(AndroidJUnit4.class)
diff --git a/services/tests/servicestests/src/com/android/server/am/ActivityLaunchParamsModifierTests.java b/services/tests/servicestests/src/com/android/server/am/ActivityLaunchParamsModifierTests.java
index f741c70..d75a3fc 100644
--- a/services/tests/servicestests/src/com/android/server/am/ActivityLaunchParamsModifierTests.java
+++ b/services/tests/servicestests/src/com/android/server/am/ActivityLaunchParamsModifierTests.java
@@ -16,28 +16,29 @@
 
 package com.android.server.am;
 
+import static android.app.WindowConfiguration.ACTIVITY_TYPE_STANDARD;
+import static android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN;
+
+import static com.android.server.am.LaunchParamsController.LaunchParamsModifier.RESULT_DONE;
+import static com.android.server.am.LaunchParamsController.LaunchParamsModifier.RESULT_SKIP;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
 import android.app.ActivityOptions;
 import android.content.pm.ActivityInfo;
 import android.graphics.Rect;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.MediumTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.MediumTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.server.am.LaunchParamsController.LaunchParams;
-import org.junit.runner.RunWith;
+
 import org.junit.Before;
 import org.junit.Test;
-
-import static android.app.WindowConfiguration.ACTIVITY_TYPE_STANDARD;
-import static android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN;
-import static com.android.server.am.LaunchParamsController.LaunchParamsModifier.RESULT_DONE;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertTrue;
-import static org.mockito.Mockito.spy;
-import static org.mockito.Mockito.doAnswer;
-
-import static com.android.server.am.LaunchParamsController.LaunchParamsModifier.RESULT_SKIP;
+import org.junit.runner.RunWith;
 
 /**
  * Tests for exercising resizing bounds due to activity options.
diff --git a/services/tests/servicestests/src/com/android/server/am/ActivityManagerInternalTest.java b/services/tests/servicestests/src/com/android/server/am/ActivityManagerInternalTest.java
index bce87dc..9a7488e 100644
--- a/services/tests/servicestests/src/com/android/server/am/ActivityManagerInternalTest.java
+++ b/services/tests/servicestests/src/com/android/server/am/ActivityManagerInternalTest.java
@@ -21,8 +21,9 @@
 
 import android.app.ActivityManagerInternal;
 import android.os.SystemClock;
-import android.support.test.filters.MediumTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.MediumTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Before;
 import org.junit.Test;
@@ -43,7 +44,7 @@
  * Install: adb install -r \
  *     ${ANDROID_PRODUCT_OUT}/data/app/FrameworksServicesTests/FrameworksServicesTests.apk
  * Run: adb shell am instrument -e class com.android.server.am.ActivityManagerInternalTest -w \
- *     com.android.frameworks.servicestests/android.support.test.runner.AndroidJUnitRunner
+ *     com.android.frameworks.servicestests/androidx.test.runner.AndroidJUnitRunner
  */
 @RunWith(AndroidJUnit4.class)
 public class ActivityManagerInternalTest {
diff --git a/services/tests/servicestests/src/com/android/server/am/ActivityManagerServiceTest.java b/services/tests/servicestests/src/com/android/server/am/ActivityManagerServiceTest.java
index 7ca06f9..c1df6af 100644
--- a/services/tests/servicestests/src/com/android/server/am/ActivityManagerServiceTest.java
+++ b/services/tests/servicestests/src/com/android/server/am/ActivityManagerServiceTest.java
@@ -28,6 +28,7 @@
 import static android.app.ActivityManager.PROCESS_STATE_SERVICE;
 import static android.app.ActivityManager.PROCESS_STATE_TOP;
 import static android.util.DebugUtils.valueToString;
+
 import static com.android.server.am.ActivityManagerInternalTest.CustomThread;
 import static com.android.server.am.ActivityManagerService.DISPATCH_UIDS_CHANGED_UI_MSG;
 import static com.android.server.am.ActivityManagerService.Injector;
@@ -62,10 +63,11 @@
 import android.os.Process;
 import android.os.RemoteException;
 import android.os.SystemClock;
-import android.support.test.filters.FlakyTest;
-import android.support.test.filters.MediumTest;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.FlakyTest;
+import androidx.test.filters.MediumTest;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.internal.os.BatteryStatsImpl;
 import com.android.server.AppOpsService;
@@ -99,7 +101,7 @@
  * Install: adb install -r \
  *     ${ANDROID_PRODUCT_OUT}/data/app/FrameworksServicesTests/FrameworksServicesTests.apk
  * Run: adb shell am instrument -e class com.android.server.am.ActivityManagerServiceTest -w \
- *     com.android.frameworks.servicestests/android.support.test.runner.AndroidJUnitRunner
+ *     com.android.frameworks.servicestests/androidx.test.runner.AndroidJUnitRunner
  */
 @SmallTest
 @FlakyTest(bugId = 113616538)
diff --git a/services/tests/servicestests/src/com/android/server/am/ActivityRecordTests.java b/services/tests/servicestests/src/com/android/server/am/ActivityRecordTests.java
index 5ee1c40..5ee7477 100644
--- a/services/tests/servicestests/src/com/android/server/am/ActivityRecordTests.java
+++ b/services/tests/servicestests/src/com/android/server/am/ActivityRecordTests.java
@@ -22,11 +22,7 @@
 import static android.content.pm.ActivityInfo.RESIZE_MODE_UNRESIZEABLE;
 import static android.view.Display.DEFAULT_DISPLAY;
 
-import static com.android.server.am.ActivityStack.ActivityState.DESTROYED;
-import static com.android.server.am.ActivityStack.ActivityState.DESTROYING;
-import static com.android.server.am.ActivityStack.ActivityState.FINISHING;
 import static com.android.server.am.ActivityStack.ActivityState.INITIALIZING;
-import static com.android.server.am.ActivityStack.ActivityState.PAUSED;
 import static com.android.server.am.ActivityStack.ActivityState.PAUSING;
 import static com.android.server.am.ActivityStack.ActivityState.STOPPED;
 import static com.android.server.am.ActivityStack.REMOVE_TASK_MODE_MOVING;
@@ -53,14 +49,14 @@
 import android.app.servertransaction.PauseActivityItem;
 import android.graphics.Rect;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.MediumTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.MutableBoolean;
 
-import org.junit.runner.RunWith;
+import androidx.test.filters.MediumTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.Before;
-import org.junit.Ignore;
 import org.junit.Test;
+import org.junit.runner.RunWith;
 import org.mockito.invocation.InvocationOnMock;
 
 /**
diff --git a/services/tests/servicestests/src/com/android/server/am/ActivityStackSupervisorTests.java b/services/tests/servicestests/src/com/android/server/am/ActivityStackSupervisorTests.java
index 1ce41a6..f36c5797 100644
--- a/services/tests/servicestests/src/com/android/server/am/ActivityStackSupervisorTests.java
+++ b/services/tests/servicestests/src/com/android/server/am/ActivityStackSupervisorTests.java
@@ -47,10 +47,11 @@
 import android.app.WaitResult;
 import android.graphics.Rect;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.MediumTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.SparseIntArray;
 
+import androidx.test.filters.MediumTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/services/tests/servicestests/src/com/android/server/am/ActivityStackTests.java b/services/tests/servicestests/src/com/android/server/am/ActivityStackTests.java
index e2b7c06..be0c689 100644
--- a/services/tests/servicestests/src/com/android/server/am/ActivityStackTests.java
+++ b/services/tests/servicestests/src/com/android/server/am/ActivityStackTests.java
@@ -33,23 +33,20 @@
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
-import static org.mockito.ArgumentMatchers.any;
-import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.anyInt;
 import static org.mockito.Mockito.doReturn;
 import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.times;
-import static org.mockito.Mockito.verify;
 
 import android.content.pm.ActivityInfo;
 import android.os.UserHandle;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 
-import org.junit.runner.RunWith;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.Before;
 import org.junit.Test;
+import org.junit.runner.RunWith;
 
 /**
  * Tests for the {@link ActivityStack} class.
diff --git a/services/tests/servicestests/src/com/android/server/am/ActivityStartControllerTests.java b/services/tests/servicestests/src/com/android/server/am/ActivityStartControllerTests.java
index 7948e4c..3464ac2 100644
--- a/services/tests/servicestests/src/com/android/server/am/ActivityStartControllerTests.java
+++ b/services/tests/servicestests/src/com/android/server/am/ActivityStartControllerTests.java
@@ -19,23 +19,24 @@
 import static android.app.WindowConfiguration.ACTIVITY_TYPE_STANDARD;
 import static android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN;
 
-import android.content.Intent;
-import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
-
-import com.android.server.am.ActivityStackSupervisor.PendingActivityLaunch;
-import com.android.server.am.ActivityStarter.Factory;
-
-import org.junit.runner.RunWith;
-import org.junit.Test;
-
 import static org.mockito.Mockito.doReturn;
 import static org.mockito.Mockito.eq;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.spy;
-import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+
+import android.content.Intent;
+import android.platform.test.annotations.Presubmit;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import com.android.server.am.ActivityStackSupervisor.PendingActivityLaunch;
+import com.android.server.am.ActivityStarter.Factory;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
 
 import java.util.Random;
 
diff --git a/services/tests/servicestests/src/com/android/server/am/ActivityStartInterceptorTest.java b/services/tests/servicestests/src/com/android/server/am/ActivityStartInterceptorTest.java
index b4b34c5..d1550d7 100644
--- a/services/tests/servicestests/src/com/android/server/am/ActivityStartInterceptorTest.java
+++ b/services/tests/servicestests/src/com/android/server/am/ActivityStartInterceptorTest.java
@@ -37,9 +37,10 @@
 import android.content.pm.UserInfo;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.test.filters.SmallTest;
 import android.testing.DexmakerShareClassLoaderRule;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.internal.app.SuspendedAppActivity;
 import com.android.internal.app.UnlaunchableAppActivity;
 import com.android.server.LocalServices;
diff --git a/services/tests/servicestests/src/com/android/server/am/ActivityStarterTests.java b/services/tests/servicestests/src/com/android/server/am/ActivityStarterTests.java
index 8d056fc..f956a36 100644
--- a/services/tests/servicestests/src/com/android/server/am/ActivityStarterTests.java
+++ b/services/tests/servicestests/src/com/android/server/am/ActivityStarterTests.java
@@ -32,29 +32,9 @@
 import static android.app.WindowConfiguration.WINDOWING_MODE_PINNED;
 import static android.app.WindowConfiguration.WINDOWING_MODE_SPLIT_SCREEN_PRIMARY;
 import static android.app.WindowConfiguration.WINDOWING_MODE_SPLIT_SCREEN_SECONDARY;
-
-import android.app.ActivityOptions;
-import android.app.IApplicationThread;
-import android.content.ComponentName;
-import android.content.Intent;
-import android.content.pm.ActivityInfo;
-import android.content.pm.ActivityInfo.WindowLayout;
-import android.content.pm.ApplicationInfo;
-import android.content.pm.IPackageManager;
-import android.graphics.Rect;
-import android.os.IBinder;
-import android.os.RemoteException;
-import android.platform.test.annotations.Presubmit;
-import android.service.voice.IVoiceInteractionSession;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
-import android.view.Gravity;
-
-import org.junit.runner.RunWith;
-import org.junit.Test;
-
 import static android.content.Intent.FLAG_ACTIVITY_NEW_TASK;
 import static android.content.Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED;
+
 import static com.android.server.am.ActivityManagerService.ANIMATE;
 
 import static org.junit.Assert.assertEquals;
@@ -65,21 +45,37 @@
 import static org.mockito.Mockito.anyObject;
 import static org.mockito.Mockito.clearInvocations;
 import static org.mockito.Mockito.doAnswer;
-import static org.mockito.Mockito.doNothing;
 import static org.mockito.Mockito.doReturn;
 import static org.mockito.Mockito.eq;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.never;
 import static org.mockito.Mockito.spy;
-import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+
+import android.app.ActivityOptions;
+import android.app.IApplicationThread;
+import android.content.Intent;
+import android.content.pm.ActivityInfo;
+import android.content.pm.ActivityInfo.WindowLayout;
+import android.content.pm.ApplicationInfo;
+import android.content.pm.IPackageManager;
+import android.graphics.Rect;
+import android.os.IBinder;
+import android.os.RemoteException;
+import android.platform.test.annotations.Presubmit;
+import android.service.voice.IVoiceInteractionSession;
+import android.view.Gravity;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.internal.os.BatteryStatsImpl;
-import com.android.server.am.ActivityStarter.Factory;
 import com.android.server.am.LaunchParamsController.LaunchParamsModifier;
 import com.android.server.am.TaskRecord.TaskRecordFactory;
 
-import java.util.ArrayList;
+import org.junit.Test;
+import org.junit.runner.RunWith;
 
 /**
  * Tests for the {@link ActivityStarter} class.
diff --git a/services/tests/servicestests/src/com/android/server/am/ActivityTestsBase.java b/services/tests/servicestests/src/com/android/server/am/ActivityTestsBase.java
index 1cd111f..deb9f62 100644
--- a/services/tests/servicestests/src/com/android/server/am/ActivityTestsBase.java
+++ b/services/tests/servicestests/src/com/android/server/am/ActivityTestsBase.java
@@ -21,21 +21,17 @@
 import static android.app.WindowConfiguration.WINDOWING_MODE_PINNED;
 import static android.app.WindowConfiguration.WINDOWING_MODE_SPLIT_SCREEN_PRIMARY;
 import static android.view.Display.DEFAULT_DISPLAY;
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.doNothing;
-import static org.mockito.Mockito.doReturn;
+
 import static org.mockito.Mockito.any;
 import static org.mockito.Mockito.anyBoolean;
 import static org.mockito.Mockito.anyInt;
 import static org.mockito.Mockito.doAnswer;
+import static org.mockito.Mockito.doNothing;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.spy;
 
 import android.app.ActivityOptions;
-import com.android.server.wm.DisplayWindowController;
-
-import org.junit.Rule;
-import org.mockito.invocation.InvocationOnMock;
-
 import android.app.IApplicationThread;
 import android.content.ComponentName;
 import android.content.Context;
@@ -49,23 +45,25 @@
 import android.os.HandlerThread;
 import android.os.Looper;
 import android.service.voice.IVoiceInteractionSession;
-import android.support.test.InstrumentationRegistry;
 import android.testing.DexmakerShareClassLoaderRule;
 
+import androidx.test.InstrumentationRegistry;
 
 import com.android.internal.app.IVoiceInteractor;
-
 import com.android.server.AttributeCache;
 import com.android.server.wm.AppWindowContainerController;
+import com.android.server.wm.DisplayWindowController;
 import com.android.server.wm.PinnedStackWindowController;
 import com.android.server.wm.StackWindowController;
 import com.android.server.wm.TaskWindowContainerController;
 import com.android.server.wm.WindowManagerService;
 import com.android.server.wm.WindowTestUtils;
+
 import org.junit.After;
 import org.junit.Before;
+import org.junit.Rule;
 import org.mockito.MockitoAnnotations;
-
+import org.mockito.invocation.InvocationOnMock;
 
 /**
  * A base class to handle common operations in activity related unit tests.
diff --git a/services/tests/servicestests/src/com/android/server/am/AppErrorDialogTest.java b/services/tests/servicestests/src/com/android/server/am/AppErrorDialogTest.java
index eee8ef3..d08cac1 100644
--- a/services/tests/servicestests/src/com/android/server/am/AppErrorDialogTest.java
+++ b/services/tests/servicestests/src/com/android/server/am/AppErrorDialogTest.java
@@ -18,11 +18,12 @@
 
 import android.content.Context;
 import android.os.Handler;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.annotation.UiThreadTest;
-import android.support.test.filters.FlakyTest;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.annotation.UiThreadTest;
+import androidx.test.filters.FlakyTest;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.server.AppOpsService;
 
diff --git a/services/tests/servicestests/src/com/android/server/am/AssistDataRequesterTest.java b/services/tests/servicestests/src/com/android/server/am/AssistDataRequesterTest.java
index 5b1c260..d985364 100644
--- a/services/tests/servicestests/src/com/android/server/am/AssistDataRequesterTest.java
+++ b/services/tests/servicestests/src/com/android/server/am/AssistDataRequesterTest.java
@@ -41,13 +41,14 @@
 import android.os.Handler;
 import android.os.IBinder;
 import android.os.Looper;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.FlakyTest;
-import android.support.test.filters.MediumTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.Log;
 import android.view.IWindowManager;
 
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.FlakyTest;
+import androidx.test.filters.MediumTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.server.am.AssistDataRequester.AssistDataRequesterCallbacks;
 
 import org.junit.Before;
diff --git a/services/tests/servicestests/src/com/android/server/am/ClientLifecycleManagerTests.java b/services/tests/servicestests/src/com/android/server/am/ClientLifecycleManagerTests.java
index ef6d5e8..b4ad183 100644
--- a/services/tests/servicestests/src/com/android/server/am/ClientLifecycleManagerTests.java
+++ b/services/tests/servicestests/src/com/android/server/am/ClientLifecycleManagerTests.java
@@ -9,8 +9,9 @@
 import android.app.servertransaction.ClientTransaction;
 import android.os.Binder;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/services/tests/servicestests/src/com/android/server/am/CoreSettingsObserverTest.java b/services/tests/servicestests/src/com/android/server/am/CoreSettingsObserverTest.java
index da30c11..fe8256e 100644
--- a/services/tests/servicestests/src/com/android/server/am/CoreSettingsObserverTest.java
+++ b/services/tests/servicestests/src/com/android/server/am/CoreSettingsObserverTest.java
@@ -26,18 +26,18 @@
 import android.os.Bundle;
 import android.os.Handler;
 import android.provider.Settings;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.test.mock.MockContentResolver;
 
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.internal.util.test.FakeSettingsProvider;
 import com.android.server.AppOpsService;
 
 import org.junit.AfterClass;
 import org.junit.Before;
 import org.junit.BeforeClass;
-import org.junit.Ignore;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.Mock;
@@ -58,7 +58,7 @@
  * Install: adb install -r \
  *     ${ANDROID_PRODUCT_OUT}/data/app/FrameworksServicesTests/FrameworksServicesTests.apk
  * Run: adb shell am instrument -e class com.android.server.am.CoreSettingsObserverTest -w \
- *     com.android.frameworks.servicestests/android.support.test.runner.AndroidJUnitRunner
+ *     com.android.frameworks.servicestests/androidx.test.runner.AndroidJUnitRunner
  */
 @SmallTest
 @RunWith(AndroidJUnit4.class)
diff --git a/services/tests/servicestests/src/com/android/server/am/GlobalSettingsToPropertiesMapperTest.java b/services/tests/servicestests/src/com/android/server/am/GlobalSettingsToPropertiesMapperTest.java
index d9b3e1c..765aaad 100644
--- a/services/tests/servicestests/src/com/android/server/am/GlobalSettingsToPropertiesMapperTest.java
+++ b/services/tests/servicestests/src/com/android/server/am/GlobalSettingsToPropertiesMapperTest.java
@@ -18,11 +18,12 @@
 
 import android.content.ContentResolver;
 import android.provider.Settings;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.test.mock.MockContentResolver;
 
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.internal.util.Preconditions;
 import com.android.internal.util.test.FakeSettingsProvider;
 
diff --git a/services/tests/servicestests/src/com/android/server/am/LaunchParamsControllerTests.java b/services/tests/servicestests/src/com/android/server/am/LaunchParamsControllerTests.java
index 161c287..8d675dd 100644
--- a/services/tests/servicestests/src/com/android/server/am/LaunchParamsControllerTests.java
+++ b/services/tests/servicestests/src/com/android/server/am/LaunchParamsControllerTests.java
@@ -16,20 +16,14 @@
 
 package com.android.server.am;
 
-import android.app.ActivityOptions;
-import android.content.pm.ActivityInfo.WindowLayout;
-import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.MediumTest;
-import android.support.test.runner.AndroidJUnit4;
-
-import com.android.server.am.LaunchParamsController.LaunchParams;
-import org.junit.runner.RunWith;
-import org.junit.Before;
-import org.junit.Test;
-
-import com.android.server.am.LaunchParamsController.LaunchParamsModifier;
-
 import static android.app.WindowConfiguration.WINDOWING_MODE_FREEFORM;
+
+import static com.android.server.am.LaunchParamsController.LaunchParamsModifier.RESULT_CONTINUE;
+import static com.android.server.am.LaunchParamsController.LaunchParamsModifier.RESULT_DONE;
+import static com.android.server.am.LaunchParamsController.LaunchParamsModifier.RESULT_SKIP;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotEquals;
 import static org.mockito.Mockito.any;
 import static org.mockito.Mockito.anyInt;
 import static org.mockito.Mockito.doNothing;
@@ -40,12 +34,19 @@
 import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
 
-import static com.android.server.am.LaunchParamsController.LaunchParamsModifier.RESULT_DONE;
-import static com.android.server.am.LaunchParamsController.LaunchParamsModifier.RESULT_CONTINUE;
-import static com.android.server.am.LaunchParamsController.LaunchParamsModifier.RESULT_SKIP;
+import android.app.ActivityOptions;
+import android.content.pm.ActivityInfo.WindowLayout;
+import android.platform.test.annotations.Presubmit;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNotEquals;
+import androidx.test.filters.MediumTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import com.android.server.am.LaunchParamsController.LaunchParams;
+import com.android.server.am.LaunchParamsController.LaunchParamsModifier;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
 
 /**
  * Tests for exercising {@link LaunchParamsController}.
diff --git a/services/tests/servicestests/src/com/android/server/am/LockTaskControllerTest.java b/services/tests/servicestests/src/com/android/server/am/LockTaskControllerTest.java
index f46d712..863a0d8 100644
--- a/services/tests/servicestests/src/com/android/server/am/LockTaskControllerTest.java
+++ b/services/tests/servicestests/src/com/android/server/am/LockTaskControllerTest.java
@@ -52,12 +52,13 @@
 import android.os.UserHandle;
 import android.platform.test.annotations.Presubmit;
 import android.provider.Settings;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
 import android.telecom.TelecomManager;
 import android.testing.DexmakerShareClassLoaderRule;
 import android.util.Pair;
 
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+
 import com.android.internal.statusbar.IStatusBarService;
 import com.android.internal.widget.LockPatternUtils;
 import com.android.server.LocalServices;
diff --git a/services/tests/servicestests/src/com/android/server/am/MemoryStatUtilTest.java b/services/tests/servicestests/src/com/android/server/am/MemoryStatUtilTest.java
index 5518ca5..06c7437 100644
--- a/services/tests/servicestests/src/com/android/server/am/MemoryStatUtilTest.java
+++ b/services/tests/servicestests/src/com/android/server/am/MemoryStatUtilTest.java
@@ -16,15 +16,15 @@
 
 package com.android.server.am;
 
+import static com.android.server.am.MemoryStatUtil.MemoryStat;
 import static com.android.server.am.MemoryStatUtil.parseMemoryStatFromMemcg;
 import static com.android.server.am.MemoryStatUtil.parseMemoryStatFromProcfs;
-import static com.android.server.am.MemoryStatUtil.MemoryStat;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNull;
 
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/services/tests/servicestests/src/com/android/server/am/PendingRemoteAnimationRegistryTest.java b/services/tests/servicestests/src/com/android/server/am/PendingRemoteAnimationRegistryTest.java
index 2baf995..f5f507f 100644
--- a/services/tests/servicestests/src/com/android/server/am/PendingRemoteAnimationRegistryTest.java
+++ b/services/tests/servicestests/src/com/android/server/am/PendingRemoteAnimationRegistryTest.java
@@ -20,16 +20,14 @@
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
 
-import android.annotation.Nullable;
 import android.app.ActivityOptions;
-import android.os.Handler;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.FlakyTest;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
-import android.util.ArrayMap;
 import android.view.RemoteAnimationAdapter;
 
+import androidx.test.filters.FlakyTest;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.server.testutils.OffsettableClock;
 import com.android.server.testutils.TestHandler;
 
diff --git a/services/tests/servicestests/src/com/android/server/am/RecentTasksTest.java b/services/tests/servicestests/src/com/android/server/am/RecentTasksTest.java
index b73ac89..aa9123b 100644
--- a/services/tests/servicestests/src/com/android/server/am/RecentTasksTest.java
+++ b/services/tests/servicestests/src/com/android/server/am/RecentTasksTest.java
@@ -35,16 +35,10 @@
 import static org.mockito.ArgumentMatchers.anyInt;
 import static org.mockito.ArgumentMatchers.anyString;
 import static org.mockito.Mockito.doReturn;
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.spy;
 
-import static java.lang.Integer.MAX_VALUE;
-
-import android.annotation.TestApi;
 import android.app.ActivityManager;
 import android.app.ActivityManager.RecentTaskInfo;
 import android.app.ActivityManager.RunningTaskInfo;
-import android.app.WindowConfiguration;
 import android.content.ComponentName;
 import android.content.Context;
 import android.content.pm.PackageManager;
@@ -53,24 +47,26 @@
 import android.content.res.Configuration;
 import android.graphics.Rect;
 import android.os.Bundle;
-import android.os.Debug;
 import android.os.Looper;
 import android.os.RemoteException;
 import android.os.SystemClock;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.MediumTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.MutableLong;
 import android.util.SparseArray;
 import android.util.SparseBooleanArray;
 
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.MediumTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.server.am.RecentTasks.Callbacks;
 
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
+import static java.lang.Integer.MAX_VALUE;
+
 import java.io.File;
 import java.util.ArrayList;
 import java.util.Arrays;
diff --git a/services/tests/servicestests/src/com/android/server/am/RecentsAnimationTest.java b/services/tests/servicestests/src/com/android/server/am/RecentsAnimationTest.java
index eefd973..fa6a95c 100644
--- a/services/tests/servicestests/src/com/android/server/am/RecentsAnimationTest.java
+++ b/services/tests/servicestests/src/com/android/server/am/RecentsAnimationTest.java
@@ -16,15 +16,13 @@
 
 package com.android.server.am;
 
-import static android.app.WindowConfiguration.ACTIVITY_TYPE_HOME;
 import static android.app.WindowConfiguration.ACTIVITY_TYPE_RECENTS;
 import static android.app.WindowConfiguration.ACTIVITY_TYPE_STANDARD;
 import static android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN;
-import static android.content.Intent.FLAG_ACTIVITY_MULTIPLE_TASK;
-import static android.content.Intent.FLAG_ACTIVITY_NEW_TASK;
+
 import static com.android.server.wm.RecentsAnimationController.REORDER_KEEP_IN_PLACE;
+
 import static org.mockito.Mockito.any;
-import static org.mockito.Mockito.anyInt;
 import static org.mockito.Mockito.doReturn;
 import static org.mockito.Mockito.eq;
 import static org.mockito.Mockito.mock;
@@ -35,11 +33,14 @@
 import android.content.Context;
 import android.content.Intent;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.MediumTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.view.IRecentsAnimationRunner;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.MediumTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.server.AttributeCache;
+
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/services/tests/servicestests/src/com/android/server/am/RunningTasksTest.java b/services/tests/servicestests/src/com/android/server/am/RunningTasksTest.java
index c6ce7e1..19288a9 100644
--- a/services/tests/servicestests/src/com/android/server/am/RunningTasksTest.java
+++ b/services/tests/servicestests/src/com/android/server/am/RunningTasksTest.java
@@ -30,11 +30,12 @@
 import android.content.ComponentName;
 import android.content.Context;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.MediumTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.SparseArray;
 
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.MediumTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/services/tests/servicestests/src/com/android/server/am/SafeActivityOptionsTest.java b/services/tests/servicestests/src/com/android/server/am/SafeActivityOptionsTest.java
index 168bc17..8e4e7e6 100644
--- a/services/tests/servicestests/src/com/android/server/am/SafeActivityOptionsTest.java
+++ b/services/tests/servicestests/src/com/android/server/am/SafeActivityOptionsTest.java
@@ -20,9 +20,10 @@
 
 import android.app.ActivityOptions;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.FlakyTest;
-import android.support.test.filters.MediumTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.FlakyTest;
+import androidx.test.filters.MediumTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/services/tests/servicestests/src/com/android/server/am/TaskLaunchParamsModifierTests.java b/services/tests/servicestests/src/com/android/server/am/TaskLaunchParamsModifierTests.java
index 3d323f0..eec55b1 100644
--- a/services/tests/servicestests/src/com/android/server/am/TaskLaunchParamsModifierTests.java
+++ b/services/tests/servicestests/src/com/android/server/am/TaskLaunchParamsModifierTests.java
@@ -16,31 +16,24 @@
 
 package com.android.server.am;
 
-import android.content.pm.ActivityInfo.WindowLayout;
-import android.graphics.Rect;
-import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.MediumTest;
-import android.support.test.runner.AndroidJUnit4;
-
-import android.view.Gravity;
-
-import org.junit.runner.RunWith;
-import org.junit.Before;
-import org.junit.Test;
-
-import org.mockito.invocation.InvocationOnMock;
-
 import static android.app.WindowConfiguration.ACTIVITY_TYPE_STANDARD;
 import static android.app.WindowConfiguration.WINDOWING_MODE_FREEFORM;
 
 import static com.android.server.am.LaunchParamsController.LaunchParamsModifier.RESULT_CONTINUE;
 
-import static org.mockito.Mockito.any;
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.when;
-import static org.mockito.Mockito.doAnswer;
 import static org.junit.Assert.assertEquals;
 
+import android.content.pm.ActivityInfo.WindowLayout;
+import android.graphics.Rect;
+import android.platform.test.annotations.Presubmit;
+import android.view.Gravity;
+
+import androidx.test.filters.MediumTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
 
 /**
  * Tests for exercising resizing task bounds.
diff --git a/services/tests/servicestests/src/com/android/server/am/TaskRecordTests.java b/services/tests/servicestests/src/com/android/server/am/TaskRecordTests.java
index 057fdc8..5aecec0 100644
--- a/services/tests/servicestests/src/com/android/server/am/TaskRecordTests.java
+++ b/services/tests/servicestests/src/com/android/server/am/TaskRecordTests.java
@@ -29,20 +29,17 @@
 import android.content.ComponentName;
 import android.content.Intent;
 import android.content.pm.ActivityInfo;
-import android.content.res.XmlResourceParser;
 import android.graphics.Rect;
 import android.platform.test.annotations.Presubmit;
 import android.service.voice.IVoiceInteractionSession;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.MediumTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.Xml;
 
-import com.android.frameworks.servicestests.R;
+import androidx.test.filters.MediumTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.internal.app.IVoiceInteractor;
 import com.android.server.am.TaskRecord.TaskRecordFactory;
 
-import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -57,9 +54,7 @@
 import java.io.IOException;
 import java.io.OutputStream;
 import java.io.Reader;
-import java.nio.file.Files;
 import java.util.ArrayList;
-import java.util.Comparator;
 
 /**
  * Tests for exercising {@link TaskRecord}.
diff --git a/services/tests/servicestests/src/com/android/server/am/TaskStackChangedListenerTest.java b/services/tests/servicestests/src/com/android/server/am/TaskStackChangedListenerTest.java
index 0359096..9406160 100644
--- a/services/tests/servicestests/src/com/android/server/am/TaskStackChangedListenerTest.java
+++ b/services/tests/servicestests/src/com/android/server/am/TaskStackChangedListenerTest.java
@@ -16,7 +16,8 @@
 
 package com.android.server.am;
 
-import static android.support.test.InstrumentationRegistry.getInstrumentation;
+import static androidx.test.InstrumentationRegistry.getInstrumentation;
+
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
@@ -32,23 +33,25 @@
 import android.content.Context;
 import android.content.Intent;
 import android.content.pm.ActivityInfo;
-import android.content.res.Resources.Theme;
 import android.os.RemoteException;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.MediumTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.support.test.uiautomator.UiDevice;
 import android.text.TextUtils;
-import android.util.Pair;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.MediumTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.internal.annotations.GuardedBy;
-import java.util.concurrent.CountDownLatch;
-import java.util.concurrent.TimeUnit;
+
 import org.junit.After;
 import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
+
 @MediumTest
 @RunWith(AndroidJUnit4.class)
 public class TaskStackChangedListenerTest {
diff --git a/services/tests/servicestests/src/com/android/server/appops/AppOpsActiveWatcherTest.java b/services/tests/servicestests/src/com/android/server/appops/AppOpsActiveWatcherTest.java
index 7f397d6..7e0dfcf 100644
--- a/services/tests/servicestests/src/com/android/server/appops/AppOpsActiveWatcherTest.java
+++ b/services/tests/servicestests/src/com/android/server/appops/AppOpsActiveWatcherTest.java
@@ -31,9 +31,10 @@
 import android.app.AppOpsManager.OnOpActiveChangedListener;
 import android.content.Context;
 import android.os.Process;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/services/tests/servicestests/src/com/android/server/appops/AppOpsServiceTest.java b/services/tests/servicestests/src/com/android/server/appops/AppOpsServiceTest.java
index ad21a78..2c255cb 100644
--- a/services/tests/servicestests/src/com/android/server/appops/AppOpsServiceTest.java
+++ b/services/tests/servicestests/src/com/android/server/appops/AppOpsServiceTest.java
@@ -29,9 +29,10 @@
 import android.os.Handler;
 import android.os.HandlerThread;
 import android.os.Process;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Before;
 import org.junit.Test;
diff --git a/services/tests/servicestests/src/com/android/server/appwidget/AppWidgetServiceImplTest.java b/services/tests/servicestests/src/com/android/server/appwidget/AppWidgetServiceImplTest.java
index 1bb93cc..f3c76b6 100644
--- a/services/tests/servicestests/src/com/android/server/appwidget/AppWidgetServiceImplTest.java
+++ b/services/tests/servicestests/src/com/android/server/appwidget/AppWidgetServiceImplTest.java
@@ -53,7 +53,6 @@
 import java.util.Random;
 import java.util.concurrent.CountDownLatch;
 
-
 /**
  * Tests for {@link AppWidgetManager} and {@link AppWidgetServiceImpl}.
  *
@@ -61,7 +60,7 @@
  adb install \
  -r -g ${ANDROID_PRODUCT_OUT}/data/app/FrameworksServicesTests/FrameworksServicesTests.apk &&
  adb shell am instrument -e class com.android.server.appwidget.AppWidgetServiceImplTest \
- -w com.android.frameworks.servicestests/android.support.test.runner.AndroidJUnitRunner
+ -w com.android.frameworks.servicestests/androidx.test.runner.AndroidJUnitRunner
  */
 @SmallTest
 public class AppWidgetServiceImplTest extends InstrumentationTestCase {
diff --git a/services/tests/servicestests/src/com/android/server/backup/BackupPasswordManagerTest.java b/services/tests/servicestests/src/com/android/server/backup/BackupPasswordManagerTest.java
index bc16297..bcf4c08 100644
--- a/services/tests/servicestests/src/com/android/server/backup/BackupPasswordManagerTest.java
+++ b/services/tests/servicestests/src/com/android/server/backup/BackupPasswordManagerTest.java
@@ -25,8 +25,9 @@
 
 import android.content.Context;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.server.backup.utils.PasswordUtils;
 
diff --git a/services/tests/servicestests/src/com/android/server/backup/DataChangedJournalTest.java b/services/tests/servicestests/src/com/android/server/backup/DataChangedJournalTest.java
index c27fd07..ff450af 100644
--- a/services/tests/servicestests/src/com/android/server/backup/DataChangedJournalTest.java
+++ b/services/tests/servicestests/src/com/android/server/backup/DataChangedJournalTest.java
@@ -19,8 +19,9 @@
 import static com.google.common.truth.Truth.assertThat;
 
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Before;
 import org.junit.Rule;
diff --git a/services/tests/servicestests/src/com/android/server/backup/ProcessedPackagesJournalTest.java b/services/tests/servicestests/src/com/android/server/backup/ProcessedPackagesJournalTest.java
index b4a1f18..cf4f975 100644
--- a/services/tests/servicestests/src/com/android/server/backup/ProcessedPackagesJournalTest.java
+++ b/services/tests/servicestests/src/com/android/server/backup/ProcessedPackagesJournalTest.java
@@ -19,8 +19,9 @@
 import static com.google.common.truth.Truth.assertThat;
 
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.google.android.collect.Sets;
 
diff --git a/services/tests/servicestests/src/com/android/server/backup/TrampolineTest.java b/services/tests/servicestests/src/com/android/server/backup/TrampolineTest.java
index bbd999b..79eba68 100644
--- a/services/tests/servicestests/src/com/android/server/backup/TrampolineTest.java
+++ b/services/tests/servicestests/src/com/android/server/backup/TrampolineTest.java
@@ -43,8 +43,9 @@
 import android.os.RemoteException;
 import android.os.UserHandle;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Before;
 import org.junit.Test;
diff --git a/services/tests/servicestests/src/com/android/server/backup/restore/PerformAdbRestoreTaskTest.java b/services/tests/servicestests/src/com/android/server/backup/restore/PerformAdbRestoreTaskTest.java
index 05f4c13..00c6391 100644
--- a/services/tests/servicestests/src/com/android/server/backup/restore/PerformAdbRestoreTaskTest.java
+++ b/services/tests/servicestests/src/com/android/server/backup/restore/PerformAdbRestoreTaskTest.java
@@ -20,9 +20,10 @@
 
 import android.content.Context;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.frameworks.servicestests.R;
 
diff --git a/services/tests/servicestests/src/com/android/server/backup/utils/AppBackupUtilsTest.java b/services/tests/servicestests/src/com/android/server/backup/utils/AppBackupUtilsTest.java
index 4f18be7..944a558 100644
--- a/services/tests/servicestests/src/com/android/server/backup/utils/AppBackupUtilsTest.java
+++ b/services/tests/servicestests/src/com/android/server/backup/utils/AppBackupUtilsTest.java
@@ -20,7 +20,6 @@
 
 import static org.mockito.Mockito.doReturn;
 import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.when;
 
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageInfo;
@@ -31,8 +30,9 @@
 import android.content.pm.SigningInfo;
 import android.os.Process;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.server.backup.BackupManagerService;
 import com.android.server.backup.testutils.PackageManagerStub;
diff --git a/services/tests/servicestests/src/com/android/server/backup/utils/BackupManagerMonitorUtilsTest.java b/services/tests/servicestests/src/com/android/server/backup/utils/BackupManagerMonitorUtilsTest.java
index c40b411..d3fd89c 100644
--- a/services/tests/servicestests/src/com/android/server/backup/utils/BackupManagerMonitorUtilsTest.java
+++ b/services/tests/servicestests/src/com/android/server/backup/utils/BackupManagerMonitorUtilsTest.java
@@ -18,9 +18,9 @@
 
 import static android.app.backup.BackupManagerMonitor.EXTRA_LOG_EVENT_CATEGORY;
 import static android.app.backup.BackupManagerMonitor.EXTRA_LOG_EVENT_ID;
+import static android.app.backup.BackupManagerMonitor.EXTRA_LOG_EVENT_PACKAGE_LONG_VERSION;
 import static android.app.backup.BackupManagerMonitor.EXTRA_LOG_EVENT_PACKAGE_NAME;
 import static android.app.backup.BackupManagerMonitor.EXTRA_LOG_EVENT_PACKAGE_VERSION;
-import static android.app.backup.BackupManagerMonitor.EXTRA_LOG_EVENT_PACKAGE_LONG_VERSION;
 
 import static com.google.common.truth.Truth.assertThat;
 
@@ -33,8 +33,9 @@
 import android.os.Bundle;
 import android.os.RemoteException;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Before;
 import org.junit.Test;
diff --git a/services/tests/servicestests/src/com/android/server/backup/utils/BackupObserverUtilsTest.java b/services/tests/servicestests/src/com/android/server/backup/utils/BackupObserverUtilsTest.java
index ebe6133..cdffd35 100644
--- a/services/tests/servicestests/src/com/android/server/backup/utils/BackupObserverUtilsTest.java
+++ b/services/tests/servicestests/src/com/android/server/backup/utils/BackupObserverUtilsTest.java
@@ -23,8 +23,9 @@
 import android.app.backup.IBackupObserver;
 import android.os.RemoteException;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Before;
 import org.junit.Test;
diff --git a/services/tests/servicestests/src/com/android/server/backup/utils/DataStreamFileCodecTest.java b/services/tests/servicestests/src/com/android/server/backup/utils/DataStreamFileCodecTest.java
index bfb95c1..efd4603 100644
--- a/services/tests/servicestests/src/com/android/server/backup/utils/DataStreamFileCodecTest.java
+++ b/services/tests/servicestests/src/com/android/server/backup/utils/DataStreamFileCodecTest.java
@@ -19,8 +19,10 @@
 import static com.google.common.truth.Truth.assertThat;
 
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.rules.TemporaryFolder;
diff --git a/services/tests/servicestests/src/com/android/server/backup/utils/FullBackupRestoreObserverUtilsTest.java b/services/tests/servicestests/src/com/android/server/backup/utils/FullBackupRestoreObserverUtilsTest.java
index 2f56598..9b861a4 100644
--- a/services/tests/servicestests/src/com/android/server/backup/utils/FullBackupRestoreObserverUtilsTest.java
+++ b/services/tests/servicestests/src/com/android/server/backup/utils/FullBackupRestoreObserverUtilsTest.java
@@ -24,8 +24,9 @@
 import android.app.backup.IFullBackupRestoreObserver;
 import android.os.RemoteException;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Before;
 import org.junit.Test;
diff --git a/services/tests/servicestests/src/com/android/server/backup/utils/FullBackupUtilsTest.java b/services/tests/servicestests/src/com/android/server/backup/utils/FullBackupUtilsTest.java
index 4e3de64..ae0452a 100644
--- a/services/tests/servicestests/src/com/android/server/backup/utils/FullBackupUtilsTest.java
+++ b/services/tests/servicestests/src/com/android/server/backup/utils/FullBackupUtilsTest.java
@@ -25,8 +25,9 @@
 
 import android.os.ParcelFileDescriptor;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.After;
 import org.junit.Before;
@@ -40,7 +41,6 @@
 import java.io.EOFException;
 import java.io.File;
 import java.io.FileOutputStream;
-import java.io.IOException;
 import java.io.OutputStream;
 import java.util.Random;
 
diff --git a/services/tests/servicestests/src/com/android/server/backup/utils/SparseArrayUtilsTest.java b/services/tests/servicestests/src/com/android/server/backup/utils/SparseArrayUtilsTest.java
index db55120..679e098 100644
--- a/services/tests/servicestests/src/com/android/server/backup/utils/SparseArrayUtilsTest.java
+++ b/services/tests/servicestests/src/com/android/server/backup/utils/SparseArrayUtilsTest.java
@@ -19,10 +19,11 @@
 import static com.google.common.truth.Truth.assertThat;
 
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.SparseArray;
 
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.google.android.collect.Sets;
 
 import org.junit.Test;
diff --git a/services/tests/servicestests/src/com/android/server/backup/utils/TarBackupReaderTest.java b/services/tests/servicestests/src/com/android/server/backup/utils/TarBackupReaderTest.java
index 2830a74..12f2991 100644
--- a/services/tests/servicestests/src/com/android/server/backup/utils/TarBackupReaderTest.java
+++ b/services/tests/servicestests/src/com/android/server/backup/utils/TarBackupReaderTest.java
@@ -29,8 +29,6 @@
 import static com.google.common.truth.Truth.assertThat;
 
 import static org.mockito.Mockito.doReturn;
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.when;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.verifyNoMoreInteractions;
 import static org.mockito.Mockito.verifyZeroInteractions;
@@ -47,13 +45,14 @@
 import android.os.Bundle;
 import android.os.Process;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.frameworks.servicestests.R;
-import com.android.server.backup.FileMetadata;
 import com.android.server.backup.BackupManagerService;
+import com.android.server.backup.FileMetadata;
 import com.android.server.backup.restore.PerformAdbRestoreTask;
 import com.android.server.backup.restore.RestorePolicy;
 import com.android.server.backup.testutils.PackageManagerStub;
diff --git a/services/tests/servicestests/src/com/android/server/devicepolicy/DevicePolicyConstantsTest.java b/services/tests/servicestests/src/com/android/server/devicepolicy/DevicePolicyConstantsTest.java
index 175fdd8..be05245 100644
--- a/services/tests/servicestests/src/com/android/server/devicepolicy/DevicePolicyConstantsTest.java
+++ b/services/tests/servicestests/src/com/android/server/devicepolicy/DevicePolicyConstantsTest.java
@@ -28,7 +28,7 @@
  -w com.android.frameworks.servicestests
 
 
- -w com.android.frameworks.servicestests/android.support.test.runner.AndroidJUnitRunner
+ -w com.android.frameworks.servicestests/androidx.test.runner.AndroidJUnitRunner
  */
 @SmallTest
 public class DevicePolicyConstantsTest extends AndroidTestCase {
diff --git a/services/tests/servicestests/src/com/android/server/devicepolicy/DevicePolicyManagerServiceTestable.java b/services/tests/servicestests/src/com/android/server/devicepolicy/DevicePolicyManagerServiceTestable.java
index cd39285..3f47054 100644
--- a/services/tests/servicestests/src/com/android/server/devicepolicy/DevicePolicyManagerServiceTestable.java
+++ b/services/tests/servicestests/src/com/android/server/devicepolicy/DevicePolicyManagerServiceTestable.java
@@ -37,12 +37,13 @@
 import android.os.UserManager;
 import android.os.UserManagerInternal;
 import android.security.KeyChain;
-import android.support.annotation.NonNull;
 import android.telephony.TelephonyManager;
 import android.util.ArrayMap;
 import android.util.Pair;
 import android.view.IWindowManager;
 
+import androidx.annotation.NonNull;
+
 import com.android.internal.util.FunctionalUtils.ThrowingRunnable;
 import com.android.internal.widget.LockPatternUtils;
 import com.android.server.net.NetworkPolicyManagerInternal;
diff --git a/services/tests/servicestests/src/com/android/server/devicepolicy/DevicePolicyManagerTest.java b/services/tests/servicestests/src/com/android/server/devicepolicy/DevicePolicyManagerTest.java
index 26ce7e4..7c2c841 100644
--- a/services/tests/servicestests/src/com/android/server/devicepolicy/DevicePolicyManagerTest.java
+++ b/services/tests/servicestests/src/com/android/server/devicepolicy/DevicePolicyManagerTest.java
@@ -117,7 +117,7 @@
  adb install \
    -r ${ANDROID_PRODUCT_OUT}/data/app/FrameworksServicesTests/FrameworksServicesTests.apk &&
  adb shell am instrument -e class com.android.server.devicepolicy.DevicePolicyManagerTest \
-   -w com.android.frameworks.servicestests/android.support.test.runner.AndroidJUnitRunner
+   -w com.android.frameworks.servicestests/androidx.test.runner.AndroidJUnitRunner
 
  (mmma frameworks/base/services/tests/servicestests/ for non-ninja build)
  *
diff --git a/services/tests/servicestests/src/com/android/server/devicepolicy/DpmMockContext.java b/services/tests/servicestests/src/com/android/server/devicepolicy/DpmMockContext.java
index 213961c..be00bb6 100644
--- a/services/tests/servicestests/src/com/android/server/devicepolicy/DpmMockContext.java
+++ b/services/tests/servicestests/src/com/android/server/devicepolicy/DpmMockContext.java
@@ -30,11 +30,12 @@
 import android.os.Handler;
 import android.os.UserHandle;
 import android.os.UserManagerInternal;
-import android.support.annotation.NonNull;
 import android.test.mock.MockContext;
 import android.util.ArrayMap;
 import android.util.ExceptionUtils;
 
+import androidx.annotation.NonNull;
+
 import com.android.internal.util.FunctionalUtils;
 
 import org.junit.Assert;
diff --git a/services/tests/servicestests/src/com/android/server/devicepolicy/OverlayPackagesProviderTest.java b/services/tests/servicestests/src/com/android/server/devicepolicy/OverlayPackagesProviderTest.java
index 939a272..34edd9f 100644
--- a/services/tests/servicestests/src/com/android/server/devicepolicy/OverlayPackagesProviderTest.java
+++ b/services/tests/servicestests/src/com/android/server/devicepolicy/OverlayPackagesProviderTest.java
@@ -33,11 +33,12 @@
 import android.content.pm.ServiceInfo;
 import android.content.res.Resources;
 import android.os.RemoteException;
-import android.support.test.InstrumentationRegistry;
 import android.test.AndroidTestCase;
 import android.test.mock.MockPackageManager;
 import android.view.inputmethod.InputMethodInfo;
 
+import androidx.test.InstrumentationRegistry;
+
 import com.android.internal.R;
 import com.android.internal.view.IInputMethodManager;
 
diff --git a/services/tests/servicestests/src/com/android/server/devicepolicy/OwnersTest.java b/services/tests/servicestests/src/com/android/server/devicepolicy/OwnersTest.java
index cb6a747..5899bb0 100644
--- a/services/tests/servicestests/src/com/android/server/devicepolicy/OwnersTest.java
+++ b/services/tests/servicestests/src/com/android/server/devicepolicy/OwnersTest.java
@@ -16,12 +16,12 @@
 
 package com.android.server.devicepolicy;
 
-import com.android.server.devicepolicy.DevicePolicyManagerServiceTestable.OwnersTestable;
-
 import android.content.ComponentName;
 import android.os.UserHandle;
 import android.test.suitebuilder.annotation.SmallTest;
 
+import com.android.server.devicepolicy.DevicePolicyManagerServiceTestable.OwnersTestable;
+
 /**
  * Tests for the DeviceOwner object that saves & loads device and policy owner information.
  * run this test with:
@@ -29,7 +29,7 @@
  adb install \
    -r out/target/product/hammerhead/data/app/FrameworksServicesTests/FrameworksServicesTests.apk &&
  adb shell am instrument -e class com.android.server.devicepolicy.OwnersTest \
-   -w com.android.frameworks.servicestests/android.support.test.runner.AndroidJUnitRunner
+   -w com.android.frameworks.servicestests/androidx.test.runner.AndroidJUnitRunner
 
  (mmma frameworks/base/services/tests/servicestests/ for non-ninja build)
  */
diff --git a/services/tests/servicestests/src/com/android/server/devicepolicy/SystemUpdatePolicyTest.java b/services/tests/servicestests/src/com/android/server/devicepolicy/SystemUpdatePolicyTest.java
index e4e9701..e51859b 100644
--- a/services/tests/servicestests/src/com/android/server/devicepolicy/SystemUpdatePolicyTest.java
+++ b/services/tests/servicestests/src/com/android/server/devicepolicy/SystemUpdatePolicyTest.java
@@ -20,6 +20,7 @@
 import static android.app.admin.SystemUpdatePolicy.ValidationFailedException.ERROR_DUPLICATE_OR_OVERLAP;
 import static android.app.admin.SystemUpdatePolicy.ValidationFailedException.ERROR_NEW_FREEZE_PERIOD_TOO_CLOSE;
 import static android.app.admin.SystemUpdatePolicy.ValidationFailedException.ERROR_NEW_FREEZE_PERIOD_TOO_LONG;
+
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
@@ -27,10 +28,10 @@
 import android.app.admin.FreezePeriod;
 import android.app.admin.SystemUpdatePolicy;
 import android.os.Parcel;
-import android.support.test.runner.AndroidJUnit4;
-import android.util.Pair;
 import android.util.Xml;
 
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.internal.util.FastXmlSerializer;
 
 import org.junit.Test;
@@ -50,7 +51,6 @@
 import java.util.List;
 import java.util.concurrent.TimeUnit;
 
-
 /**
  * Unit tests for {@link android.app.admin.SystemUpdatePolicy}.
  * Throughout this test, we use "MM-DD" format to denote dates without year.
diff --git a/services/tests/servicestests/src/com/android/server/devicepolicy/TransferOwnershipMetadataManagerTest.java b/services/tests/servicestests/src/com/android/server/devicepolicy/TransferOwnershipMetadataManagerTest.java
index e3e61ac..257acb8 100644
--- a/services/tests/servicestests/src/com/android/server/devicepolicy/TransferOwnershipMetadataManagerTest.java
+++ b/services/tests/servicestests/src/com/android/server/devicepolicy/TransferOwnershipMetadataManagerTest.java
@@ -30,9 +30,10 @@
 import static org.junit.Assert.assertTrue;
 
 import android.os.Environment;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.Log;
 
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.server.devicepolicy.TransferOwnershipMetadataManager.Injector;
 import com.android.server.devicepolicy.TransferOwnershipMetadataManager.Metadata;
 
diff --git a/services/tests/servicestests/src/com/android/server/display/AmbientBrightnessStatsTrackerTest.java b/services/tests/servicestests/src/com/android/server/display/AmbientBrightnessStatsTrackerTest.java
index 8502e69..e8e6ded 100644
--- a/services/tests/servicestests/src/com/android/server/display/AmbientBrightnessStatsTrackerTest.java
+++ b/services/tests/servicestests/src/com/android/server/display/AmbientBrightnessStatsTrackerTest.java
@@ -25,9 +25,10 @@
 import android.hardware.display.AmbientBrightnessDayStats;
 import android.os.SystemClock;
 import android.os.UserManager;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Before;
 import org.junit.Test;
diff --git a/services/tests/servicestests/src/com/android/server/display/BrightnessMappingStrategyTest.java b/services/tests/servicestests/src/com/android/server/display/BrightnessMappingStrategyTest.java
index 284d443..ccdb76d 100644
--- a/services/tests/servicestests/src/com/android/server/display/BrightnessMappingStrategyTest.java
+++ b/services/tests/servicestests/src/com/android/server/display/BrightnessMappingStrategyTest.java
@@ -30,11 +30,11 @@
 import android.content.res.TypedArray;
 import android.hardware.display.BrightnessConfiguration;
 import android.os.PowerManager;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.MathUtils;
 import android.util.Spline;
-import android.util.Slog;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/services/tests/servicestests/src/com/android/server/display/BrightnessTrackerTest.java b/services/tests/servicestests/src/com/android/server/display/BrightnessTrackerTest.java
index 75dc96f..ece9f42 100644
--- a/services/tests/servicestests/src/com/android/server/display/BrightnessTrackerTest.java
+++ b/services/tests/servicestests/src/com/android/server/display/BrightnessTrackerTest.java
@@ -46,11 +46,12 @@
 import android.os.SystemClock;
 import android.os.UserManager;
 import android.provider.Settings;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.AtomicFile;
 
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/services/tests/servicestests/src/com/android/server/display/ColorDisplayServiceTest.java b/services/tests/servicestests/src/com/android/server/display/ColorDisplayServiceTest.java
index 6bd8011..53711a6 100644
--- a/services/tests/servicestests/src/com/android/server/display/ColorDisplayServiceTest.java
+++ b/services/tests/servicestests/src/com/android/server/display/ColorDisplayServiceTest.java
@@ -16,6 +16,10 @@
 
 package com.android.server.display;
 
+import static com.google.common.truth.Truth.assertWithMessage;
+
+import static org.mockito.Mockito.doReturn;
+
 import android.annotation.NonNull;
 import android.app.ActivityManager;
 import android.app.AlarmManager;
@@ -26,10 +30,11 @@
 import android.provider.Settings;
 import android.provider.Settings.Secure;
 import android.provider.Settings.System;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.runner.AndroidJUnit4;
 import android.test.mock.MockContentResolver;
 
+import androidx.test.InstrumentationRegistry;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.internal.app.ColorDisplayController;
 import com.android.internal.util.test.FakeSettingsProvider;
 import com.android.server.LocalServices;
@@ -37,24 +42,22 @@
 import com.android.server.twilight.TwilightListener;
 import com.android.server.twilight.TwilightManager;
 import com.android.server.twilight.TwilightState;
-import java.time.LocalDateTime;
-import java.time.ZoneId;
+
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.Mockito;
 
+import java.time.LocalDateTime;
+import java.time.LocalTime;
+import java.time.ZoneId;
 import java.util.Calendar;
 import java.util.HashMap;
-import java.time.LocalTime;
 import java.util.Map;
 import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.TimeUnit;
 
-import static com.google.common.truth.Truth.assertWithMessage;
-import static org.mockito.Mockito.doReturn;
-
 @RunWith(AndroidJUnit4.class)
 public class ColorDisplayServiceTest {
 
diff --git a/services/tests/servicestests/src/com/android/server/display/PersistentDataStoreTest.java b/services/tests/servicestests/src/com/android/server/display/PersistentDataStoreTest.java
index 675000e..196454b 100644
--- a/services/tests/servicestests/src/com/android/server/display/PersistentDataStoreTest.java
+++ b/services/tests/servicestests/src/com/android/server/display/PersistentDataStoreTest.java
@@ -22,23 +22,21 @@
 import static org.junit.Assert.assertTrue;
 
 import android.hardware.display.BrightnessConfiguration;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
-import android.util.AtomicFile;
 import android.util.Pair;
 
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
-import java.io.FileInputStream;
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
 import java.io.FileNotFoundException;
-import java.io.InputStream;
 import java.io.IOException;
+import java.io.InputStream;
 import java.io.OutputStream;
-import java.io.PrintWriter;
 import java.nio.charset.StandardCharsets;
 
 @SmallTest
diff --git a/services/tests/servicestests/src/com/android/server/job/BackgroundRestrictionsTest.java b/services/tests/servicestests/src/com/android/server/job/BackgroundRestrictionsTest.java
index 14b118e..be8e569 100644
--- a/services/tests/servicestests/src/com/android/server/job/BackgroundRestrictionsTest.java
+++ b/services/tests/servicestests/src/com/android/server/job/BackgroundRestrictionsTest.java
@@ -38,11 +38,12 @@
 import android.os.SystemClock;
 import android.os.UserHandle;
 import android.provider.Settings;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.LargeTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.Log;
 
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.LargeTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.servicestests.apps.jobtestapp.TestJobActivity;
 
 import org.junit.After;
diff --git a/services/tests/servicestests/src/com/android/server/job/JobSetTest.java b/services/tests/servicestests/src/com/android/server/job/JobSetTest.java
index 83bd9fc..e62e07d 100644
--- a/services/tests/servicestests/src/com/android/server/job/JobSetTest.java
+++ b/services/tests/servicestests/src/com/android/server/job/JobSetTest.java
@@ -29,13 +29,14 @@
 import android.content.pm.PackageManagerInternal;
 import android.os.Build;
 import android.os.UserHandle;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.ArraySet;
 import android.util.Log;
 import android.util.SparseArray;
 
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.server.LocalServices;
 import com.android.server.job.controllers.JobStatus;
 
diff --git a/services/tests/servicestests/src/com/android/server/job/JobStoreTest.java b/services/tests/servicestests/src/com/android/server/job/JobStoreTest.java
index 4ee2ff4..543f51cba 100644
--- a/services/tests/servicestests/src/com/android/server/job/JobStoreTest.java
+++ b/services/tests/servicestests/src/com/android/server/job/JobStoreTest.java
@@ -22,12 +22,13 @@
 import android.os.Parcelable;
 import android.os.PersistableBundle;
 import android.os.SystemClock;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.runner.AndroidJUnit4;
 import android.test.RenamingDelegatingContext;
 import android.util.Log;
 import android.util.Pair;
 
+import androidx.test.InstrumentationRegistry;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.internal.util.HexDump;
 import com.android.server.IoThread;
 import com.android.server.LocalServices;
diff --git a/services/tests/servicestests/src/com/android/server/job/controllers/JobStatusTest.java b/services/tests/servicestests/src/com/android/server/job/controllers/JobStatusTest.java
index d78af22..1752479 100644
--- a/services/tests/servicestests/src/com/android/server/job/controllers/JobStatusTest.java
+++ b/services/tests/servicestests/src/com/android/server/job/controllers/JobStatusTest.java
@@ -21,7 +21,8 @@
 import android.app.job.JobInfo;
 import android.content.ComponentName;
 import android.os.SystemClock;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.server.job.JobSchedulerService;
 
diff --git a/services/tests/servicestests/src/com/android/server/locksettings/LockSettingsShellCommandTest.java b/services/tests/servicestests/src/com/android/server/locksettings/LockSettingsShellCommandTest.java
index 424c08c..9b6975c3 100644
--- a/services/tests/servicestests/src/com/android/server/locksettings/LockSettingsShellCommandTest.java
+++ b/services/tests/servicestests/src/com/android/server/locksettings/LockSettingsShellCommandTest.java
@@ -29,32 +29,30 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-import static java.io.FileDescriptor.*;
-
 import android.app.ActivityManager;
 import android.content.Context;
 import android.os.Binder;
-import android.os.Debug;
 import android.os.Handler;
 import android.os.Looper;
 import android.os.ResultReceiver;
 import android.os.ShellCallback;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.internal.widget.LockPatternUtils;
 
-import junit.framework.Assert;
-
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
 
-import java.io.FileDescriptor;
+import static java.io.FileDescriptor.err;
+import static java.io.FileDescriptor.in;
+import static java.io.FileDescriptor.out;
 
 /**
  * Test class for {@link LockSettingsShellCommand}.
diff --git a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/KeySyncTaskTest.java b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/KeySyncTaskTest.java
index 90947f4..a82c250 100644
--- a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/KeySyncTaskTest.java
+++ b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/KeySyncTaskTest.java
@@ -20,6 +20,7 @@
 import static android.security.keystore.recovery.KeyChainProtectionParams.UI_FORMAT_PASSWORD;
 import static android.security.keystore.recovery.KeyChainProtectionParams.UI_FORMAT_PATTERN;
 import static android.security.keystore.recovery.KeyChainProtectionParams.UI_FORMAT_PIN;
+
 import static com.android.internal.widget.LockPatternUtils.CREDENTIAL_TYPE_PASSWORD;
 import static com.android.internal.widget.LockPatternUtils.CREDENTIAL_TYPE_PATTERN;
 
@@ -31,7 +32,6 @@
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
-
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.anyInt;
 import static org.mockito.ArgumentMatchers.eq;
@@ -50,9 +50,10 @@
 import android.security.keystore.recovery.RecoveryController;
 import android.security.keystore.recovery.TrustedRootCertificates;
 import android.security.keystore.recovery.WrappedApplicationKey;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.server.locksettings.recoverablekeystore.storage.RecoverableKeyStoreDb;
 import com.android.server.locksettings.recoverablekeystore.storage.RecoverySnapshotStorage;
diff --git a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/KeySyncUtilsTest.java b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/KeySyncUtilsTest.java
index fae48c6..f832d3c 100644
--- a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/KeySyncUtilsTest.java
+++ b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/KeySyncUtilsTest.java
@@ -22,8 +22,8 @@
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.google.common.collect.ImmutableMap;
 
diff --git a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/PlatformKeyManagerTest.java b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/PlatformKeyManagerTest.java
index 0f0e3f3..13436e7 100644
--- a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/PlatformKeyManagerTest.java
+++ b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/PlatformKeyManagerTest.java
@@ -32,9 +32,10 @@
 import android.content.Context;
 import android.security.keystore.KeyProperties;
 import android.security.keystore.KeyProtection;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.server.locksettings.recoverablekeystore.storage.RecoverableKeyStoreDb;
 
diff --git a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/RecoverableKeyGeneratorTest.java b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/RecoverableKeyGeneratorTest.java
index fd8b319..48afb8b 100644
--- a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/RecoverableKeyGeneratorTest.java
+++ b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/RecoverableKeyGeneratorTest.java
@@ -25,9 +25,10 @@
 import android.security.keystore.AndroidKeyStoreSecretKey;
 import android.security.keystore.KeyGenParameterSpec;
 import android.security.keystore.KeyProperties;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.server.locksettings.recoverablekeystore.storage.RecoverableKeyStoreDb;
 
diff --git a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/RecoverableKeyStoreManagerTest.java b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/RecoverableKeyStoreManagerTest.java
index 8e86a87..b15863d 100644
--- a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/RecoverableKeyStoreManagerTest.java
+++ b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/RecoverableKeyStoreManagerTest.java
@@ -23,6 +23,7 @@
 import static android.security.keystore.recovery.RecoveryController.ERROR_INVALID_CERTIFICATE;
 
 import static com.google.common.truth.Truth.assertThat;
+
 import static org.junit.Assert.assertArrayEquals;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.fail;
@@ -35,16 +36,14 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
+import android.Manifest;
 import android.app.KeyguardManager;
 import android.app.PendingIntent;
 import android.content.Context;
 import android.content.Intent;
-import android.Manifest;
 import android.os.Binder;
 import android.os.ServiceSpecificException;
 import android.os.UserHandle;
-import android.security.KeyStore;
-import android.security.keystore.AndroidKeyStoreProvider;
 import android.security.keystore.AndroidKeyStoreSecretKey;
 import android.security.keystore.KeyGenParameterSpec;
 import android.security.keystore.KeyProperties;
@@ -53,9 +52,10 @@
 import android.security.keystore.recovery.RecoveryCertPath;
 import android.security.keystore.recovery.TrustedRootCertificates;
 import android.security.keystore.recovery.WrappedApplicationKey;
-import android.support.test.filters.SmallTest;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.server.locksettings.recoverablekeystore.storage.ApplicationKeyStorage;
 import com.android.server.locksettings.recoverablekeystore.storage.RecoverableKeyStoreDb;
@@ -75,19 +75,16 @@
 
 import java.io.File;
 import java.nio.charset.StandardCharsets;
-import java.security.UnrecoverableKeyException;
 import java.security.cert.CertPath;
 import java.security.cert.CertificateFactory;
 import java.security.cert.X509Certificate;
 import java.util.ArrayList;
-import java.util.concurrent.Executors;
 import java.util.Map;
 import java.util.Random;
+import java.util.concurrent.Executors;
 
-import javax.crypto.Cipher;
 import javax.crypto.KeyGenerator;
 import javax.crypto.SecretKey;
-import javax.crypto.spec.GCMParameterSpec;
 import javax.crypto.spec.SecretKeySpec;
 
 @SmallTest
diff --git a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/RecoverySnapshotListenersStorageTest.java b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/RecoverySnapshotListenersStorageTest.java
index acc200f..33038aa 100644
--- a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/RecoverySnapshotListenersStorageTest.java
+++ b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/RecoverySnapshotListenersStorageTest.java
@@ -8,9 +8,10 @@
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/SecureBoxTest.java b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/SecureBoxTest.java
index 35ec23b..15b0708 100644
--- a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/SecureBoxTest.java
+++ b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/SecureBoxTest.java
@@ -17,11 +17,16 @@
 package com.android.server.locksettings.recoverablekeystore;
 
 import static com.google.common.truth.Truth.assertThat;
+
 import static org.testng.Assert.assertThrows;
 import static org.testng.Assert.expectThrows;
 
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
 import java.math.BigInteger;
 import java.nio.charset.StandardCharsets;
 import java.security.InvalidKeyException;
@@ -31,9 +36,8 @@
 import java.security.PrivateKey;
 import java.security.PublicKey;
 import java.security.spec.ECPrivateKeySpec;
+
 import javax.crypto.AEADBadTagException;
-import org.junit.Test;
-import org.junit.runner.RunWith;
 
 @SmallTest
 @RunWith(AndroidJUnit4.class)
diff --git a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/TestOnlyInsecureCertificateHelperTest.java b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/TestOnlyInsecureCertificateHelperTest.java
index 67436cc..944d6e0 100644
--- a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/TestOnlyInsecureCertificateHelperTest.java
+++ b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/TestOnlyInsecureCertificateHelperTest.java
@@ -3,8 +3,9 @@
 import static com.google.common.truth.Truth.assertThat;
 
 import android.security.keystore.recovery.TrustedRootCertificates;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.internal.widget.LockPatternUtils;
 
@@ -13,6 +14,7 @@
 
 import java.util.HashMap;
 import java.util.Map;
+
 import javax.crypto.SecretKey;
 
 @SmallTest
diff --git a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/WrappedKeyTest.java b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/WrappedKeyTest.java
index 56122a7..b5ee60e 100644
--- a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/WrappedKeyTest.java
+++ b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/WrappedKeyTest.java
@@ -24,8 +24,9 @@
 import android.security.keystore.AndroidKeyStoreSecretKey;
 import android.security.keystore.KeyGenParameterSpec;
 import android.security.keystore.KeyProperties;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.After;
 import org.junit.Test;
diff --git a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/certificate/CertUtilsTest.java b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/certificate/CertUtilsTest.java
index 9279698..1cbebff 100644
--- a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/certificate/CertUtilsTest.java
+++ b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/certificate/CertUtilsTest.java
@@ -18,13 +18,17 @@
 
 import static com.google.common.truth.Truth.assertThat;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
-
 import static org.testng.Assert.assertThrows;
 import static org.testng.Assert.expectThrows;
 
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.w3c.dom.Element;
+
+import static java.nio.charset.StandardCharsets.UTF_8;
 
 import java.io.InputStream;
 import java.security.KeyPairGenerator;
@@ -39,10 +43,6 @@
 import java.util.Collections;
 import java.util.List;
 
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.w3c.dom.Element;
-
 @SmallTest
 @RunWith(AndroidJUnit4.class)
 public final class CertUtilsTest {
diff --git a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/certificate/CertXmlTest.java b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/certificate/CertXmlTest.java
index 52269d9..bbcc411 100644
--- a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/certificate/CertXmlTest.java
+++ b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/certificate/CertXmlTest.java
@@ -21,17 +21,17 @@
 import static org.testng.Assert.assertThrows;
 import static org.testng.Assert.expectThrows;
 
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
-
-import java.security.cert.CertPath;
-import java.security.cert.X509Certificate;
-import java.util.List;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
+import java.security.cert.CertPath;
+import java.security.cert.X509Certificate;
+import java.util.List;
+
 @SmallTest
 @RunWith(AndroidJUnit4.class)
 public final class CertXmlTest {
diff --git a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/certificate/SigXmlTest.java b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/certificate/SigXmlTest.java
index 4d87006..45adb4b 100644
--- a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/certificate/SigXmlTest.java
+++ b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/certificate/SigXmlTest.java
@@ -21,8 +21,8 @@
 import static org.testng.Assert.assertThrows;
 import static org.testng.Assert.expectThrows;
 
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Before;
 import org.junit.Test;
diff --git a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/certificate/TestData.java b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/certificate/TestData.java
index 5eb4166..c5792ad 100644
--- a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/certificate/TestData.java
+++ b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/certificate/TestData.java
@@ -17,7 +17,8 @@
 package com.android.server.locksettings.recoverablekeystore.certificate;
 
 import android.content.Context;
-import android.support.test.InstrumentationRegistry;
+
+import androidx.test.InstrumentationRegistry;
 
 import com.google.common.io.ByteStreams;
 
diff --git a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/serialization/KeyChainSnapshotSerializerTest.java b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/serialization/KeyChainSnapshotSerializerTest.java
index a23ac0f..880255d 100644
--- a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/serialization/KeyChainSnapshotSerializerTest.java
+++ b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/serialization/KeyChainSnapshotSerializerTest.java
@@ -22,9 +22,9 @@
 import android.security.keystore.recovery.KeyChainSnapshot;
 import android.security.keystore.recovery.KeyDerivationParams;
 import android.security.keystore.recovery.WrappedApplicationKey;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.server.locksettings.recoverablekeystore.TestData;
 
diff --git a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/storage/RecoverableKeyStoreDbHelperTest.java b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/storage/RecoverableKeyStoreDbHelperTest.java
index 9b09dd1a..7130b42 100644
--- a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/storage/RecoverableKeyStoreDbHelperTest.java
+++ b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/storage/RecoverableKeyStoreDbHelperTest.java
@@ -18,24 +18,25 @@
 
 import static com.google.common.truth.Truth.assertThat;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
+import android.content.ContentValues;
+import android.content.Context;
+import android.database.sqlite.SQLiteDatabase;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import com.android.server.locksettings.recoverablekeystore.storage.RecoverableKeyStoreDbContract.KeysEntry;
+import com.android.server.locksettings.recoverablekeystore.storage.RecoverableKeyStoreDbContract.RecoveryServiceMetadataEntry;
+import com.android.server.locksettings.recoverablekeystore.storage.RecoverableKeyStoreDbContract.RootOfTrustEntry;
+import com.android.server.locksettings.recoverablekeystore.storage.RecoverableKeyStoreDbContract.UserMetadataEntry;
 
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
-import android.content.ContentValues;
-import android.content.Context;
-import android.database.sqlite.SQLiteDatabase;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
-
-import com.android.server.locksettings.recoverablekeystore.storage.RecoverableKeyStoreDbContract.KeysEntry;
-import com.android.server.locksettings.recoverablekeystore.storage.RecoverableKeyStoreDbContract.RecoveryServiceMetadataEntry;
-import com.android.server.locksettings.recoverablekeystore.storage.RecoverableKeyStoreDbContract.RootOfTrustEntry;
-import com.android.server.locksettings.recoverablekeystore.storage.RecoverableKeyStoreDbContract.UserMetadataEntry;
+import static java.nio.charset.StandardCharsets.UTF_8;
 
 @SmallTest
 @RunWith(AndroidJUnit4.class)
diff --git a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/storage/RecoverableKeyStoreDbTest.java b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/storage/RecoverableKeyStoreDbTest.java
index 940745e..6a26f8c 100644
--- a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/storage/RecoverableKeyStoreDbTest.java
+++ b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/storage/RecoverableKeyStoreDbTest.java
@@ -17,25 +17,27 @@
 package com.android.server.locksettings.recoverablekeystore.storage;
 
 import static com.google.common.truth.Truth.assertThat;
+
 import static org.junit.Assert.assertArrayEquals;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
 
+import android.content.Context;
+import android.security.keystore.recovery.RecoveryController;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import com.android.server.locksettings.recoverablekeystore.TestData;
+import com.android.server.locksettings.recoverablekeystore.WrappedKey;
+
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
-import android.content.Context;
-import android.security.keystore.recovery.RecoveryController;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
-
-import com.android.server.locksettings.recoverablekeystore.TestData;
-import com.android.server.locksettings.recoverablekeystore.WrappedKey;
-
 import java.io.File;
 import java.nio.charset.StandardCharsets;
 import java.security.KeyPairGenerator;
diff --git a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/storage/RecoverySessionStorageTest.java b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/storage/RecoverySessionStorageTest.java
index bb0474e..c2d1440 100644
--- a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/storage/RecoverySessionStorageTest.java
+++ b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/storage/RecoverySessionStorageTest.java
@@ -22,8 +22,8 @@
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
 
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/storage/RecoverySnapshotStorageTest.java b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/storage/RecoverySnapshotStorageTest.java
index ad14c3a..e8614af 100644
--- a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/storage/RecoverySnapshotStorageTest.java
+++ b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/storage/RecoverySnapshotStorageTest.java
@@ -12,9 +12,10 @@
 import android.security.keystore.recovery.KeyChainSnapshot;
 import android.security.keystore.recovery.KeyDerivationParams;
 import android.security.keystore.recovery.WrappedApplicationKey;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.server.locksettings.recoverablekeystore.TestData;
 
diff --git a/services/tests/servicestests/src/com/android/server/net/ConnOnActivityStartTest.java b/services/tests/servicestests/src/com/android/server/net/ConnOnActivityStartTest.java
index 28b54ef..fe7a376 100644
--- a/services/tests/servicestests/src/com/android/server/net/ConnOnActivityStartTest.java
+++ b/services/tests/servicestests/src/com/android/server/net/ConnOnActivityStartTest.java
@@ -20,10 +20,6 @@
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
 
-import com.android.frameworks.servicestests.R;
-import com.android.servicestests.aidl.ICmdReceiverService;
-import com.android.servicestests.aidl.INetworkStateObserver;
-
 import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
@@ -34,13 +30,17 @@
 import android.os.IBinder;
 import android.os.SystemClock;
 import android.provider.Settings;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.LargeTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.support.test.uiautomator.UiDevice;
 import android.text.TextUtils;
 import android.util.Log;
 
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.LargeTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import com.android.servicestests.aidl.ICmdReceiverService;
+import com.android.servicestests.aidl.INetworkStateObserver;
+
 import org.junit.AfterClass;
 import org.junit.Assert;
 import org.junit.BeforeClass;
@@ -64,7 +64,7 @@
  * Install: adb install -r \
  *     ${ANDROID_PRODUCT_OUT}/data/app/FrameworksServicesTests/FrameworksServicesTests.apk
  * Run: adb shell am instrument -e class com.android.server.net.ConnOnActivityStartTest -w \
- *     com.android.frameworks.servicestests/android.support.test.runner.AndroidJUnitRunner
+ *     com.android.frameworks.servicestests/androidx.test.runner.AndroidJUnitRunner
  */
 @LargeTest
 @RunWith(AndroidJUnit4.class)
diff --git a/services/tests/servicestests/src/com/android/server/net/IpConfigStoreTest.java b/services/tests/servicestests/src/com/android/server/net/IpConfigStoreTest.java
index 9f4b754..7767a28 100644
--- a/services/tests/servicestests/src/com/android/server/net/IpConfigStoreTest.java
+++ b/services/tests/servicestests/src/com/android/server/net/IpConfigStoreTest.java
@@ -27,9 +27,10 @@
 import android.net.NetworkUtils;
 import android.net.ProxyInfo;
 import android.net.StaticIpConfiguration;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.ArrayMap;
 
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
diff --git a/services/tests/servicestests/src/com/android/server/net/watchlist/HarmfulDigestsTests.java b/services/tests/servicestests/src/com/android/server/net/watchlist/HarmfulDigestsTests.java
index a34f95e..be56855 100644
--- a/services/tests/servicestests/src/com/android/server/net/watchlist/HarmfulDigestsTests.java
+++ b/services/tests/servicestests/src/com/android/server/net/watchlist/HarmfulDigestsTests.java
@@ -19,8 +19,8 @@
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
 
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.internal.util.HexDump;
 
diff --git a/services/tests/servicestests/src/com/android/server/net/watchlist/NetworkWatchlistServiceTests.java b/services/tests/servicestests/src/com/android/server/net/watchlist/NetworkWatchlistServiceTests.java
index a802ff7..9c8a382 100644
--- a/services/tests/servicestests/src/com/android/server/net/watchlist/NetworkWatchlistServiceTests.java
+++ b/services/tests/servicestests/src/com/android/server/net/watchlist/NetworkWatchlistServiceTests.java
@@ -17,7 +17,6 @@
 package com.android.server.net.watchlist;
 
 import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
@@ -30,9 +29,10 @@
 import android.os.Message;
 import android.os.Process;
 import android.os.RemoteException;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.MediumTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.MediumTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.server.ServiceThread;
 
diff --git a/services/tests/servicestests/src/com/android/server/net/watchlist/PrivacyUtilsTests.java b/services/tests/servicestests/src/com/android/server/net/watchlist/PrivacyUtilsTests.java
index 6f2237f..9d2c409 100644
--- a/services/tests/servicestests/src/com/android/server/net/watchlist/PrivacyUtilsTests.java
+++ b/services/tests/servicestests/src/com/android/server/net/watchlist/PrivacyUtilsTests.java
@@ -21,8 +21,9 @@
 import static org.junit.Assert.assertTrue;
 
 import android.privacy.DifferentialPrivacyEncoder;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/services/tests/servicestests/src/com/android/server/net/watchlist/ReportEncoderTests.java b/services/tests/servicestests/src/com/android/server/net/watchlist/ReportEncoderTests.java
index cb4f6c5..bf125f8 100644
--- a/services/tests/servicestests/src/com/android/server/net/watchlist/ReportEncoderTests.java
+++ b/services/tests/servicestests/src/com/android/server/net/watchlist/ReportEncoderTests.java
@@ -19,9 +19,13 @@
 import static org.junit.Assert.assertEquals;
 
 import android.content.Context;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import com.android.service.nano.NetworkWatchlistAppResultProto;
+import com.android.service.nano.NetworkWatchlistReportProto;
 
 import org.junit.After;
 import org.junit.Before;
@@ -35,9 +39,6 @@
 import java.io.InputStreamReader;
 import java.util.HashMap;
 
-import com.android.service.nano.NetworkWatchlistReportProto;
-import com.android.service.nano.NetworkWatchlistAppResultProto;
-
 /**
  * runtest frameworks-services -c com.android.server.net.watchlist.ReportEncoderTests
  */
diff --git a/services/tests/servicestests/src/com/android/server/net/watchlist/WatchlistConfigTests.java b/services/tests/servicestests/src/com/android/server/net/watchlist/WatchlistConfigTests.java
index 678f018..fa61c59 100644
--- a/services/tests/servicestests/src/com/android/server/net/watchlist/WatchlistConfigTests.java
+++ b/services/tests/servicestests/src/com/android/server/net/watchlist/WatchlistConfigTests.java
@@ -18,13 +18,14 @@
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertTrue;
 
 import android.content.Context;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.internal.util.HexDump;
 
@@ -40,8 +41,6 @@
 import java.io.IOException;
 import java.io.InputStreamReader;
 import java.io.PrintWriter;
-import java.util.Arrays;
-
 
 /**
  * runtest frameworks-services -c com.android.server.net.watchlist.WatchlistConfigTests
diff --git a/services/tests/servicestests/src/com/android/server/net/watchlist/WatchlistLoggingHandlerTests.java b/services/tests/servicestests/src/com/android/server/net/watchlist/WatchlistLoggingHandlerTests.java
index 8399dac..8bbad8d 100644
--- a/services/tests/servicestests/src/com/android/server/net/watchlist/WatchlistLoggingHandlerTests.java
+++ b/services/tests/servicestests/src/com/android/server/net/watchlist/WatchlistLoggingHandlerTests.java
@@ -17,11 +17,12 @@
 package com.android.server.net.watchlist;
 
 import static org.junit.Assert.assertEquals;
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.doAnswer;
-
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.ArgumentMatchers.anyString;
+import static org.mockito.Mockito.doAnswer;
+import static org.mockito.Mockito.mock;
 
 import android.content.Context;
 import android.content.ContextWrapper;
@@ -32,21 +33,18 @@
 import android.os.FileUtils;
 import android.os.Looper;
 import android.os.UserManager;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
-import android.support.test.InstrumentationRegistry;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
 import org.mockito.invocation.InvocationOnMock;
 
-import static org.mockito.ArgumentMatchers.anyInt;
-import static org.mockito.ArgumentMatchers.anyString;
-
 import java.io.File;
 import java.util.ArrayList;
 import java.util.Arrays;
diff --git a/services/tests/servicestests/src/com/android/server/net/watchlist/WatchlistSettingsTests.java b/services/tests/servicestests/src/com/android/server/net/watchlist/WatchlistSettingsTests.java
index 07158af..03b1c41 100644
--- a/services/tests/servicestests/src/com/android/server/net/watchlist/WatchlistSettingsTests.java
+++ b/services/tests/servicestests/src/com/android/server/net/watchlist/WatchlistSettingsTests.java
@@ -20,9 +20,10 @@
 import static org.junit.Assert.assertNotEquals;
 
 import android.content.Context;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.internal.util.HexDump;
 
diff --git a/services/tests/servicestests/src/com/android/server/pm/InstallerTest.java b/services/tests/servicestests/src/com/android/server/pm/InstallerTest.java
index b2eb572..6591d6f 100644
--- a/services/tests/servicestests/src/com/android/server/pm/InstallerTest.java
+++ b/services/tests/servicestests/src/com/android/server/pm/InstallerTest.java
@@ -22,10 +22,11 @@
 import android.content.pm.PackageStats;
 import android.os.SystemClock;
 import android.os.UserHandle;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.Log;
 
+import androidx.test.InstrumentationRegistry;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.internal.util.ArrayUtils;
 
 import org.junit.After;
diff --git a/services/tests/servicestests/src/com/android/server/pm/PackageManagerServiceTest.java b/services/tests/servicestests/src/com/android/server/pm/PackageManagerServiceTest.java
index cdac516..e379cd0 100644
--- a/services/tests/servicestests/src/com/android/server/pm/PackageManagerServiceTest.java
+++ b/services/tests/servicestests/src/com/android/server/pm/PackageManagerServiceTest.java
@@ -18,7 +18,8 @@
 
 import android.content.IIntentReceiver;
 import android.os.Bundle;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.After;
 import org.junit.Assert;
diff --git a/services/tests/servicestests/src/com/android/server/pm/PackageManagerSettingsTests.java b/services/tests/servicestests/src/com/android/server/pm/PackageManagerSettingsTests.java
index 97ff94f..ee41c0b 100644
--- a/services/tests/servicestests/src/com/android/server/pm/PackageManagerSettingsTests.java
+++ b/services/tests/servicestests/src/com/android/server/pm/PackageManagerSettingsTests.java
@@ -42,14 +42,15 @@
 import android.os.PersistableBundle;
 import android.os.UserHandle;
 import android.os.UserManagerInternal;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.ArrayMap;
 import android.util.ArraySet;
 import android.util.Log;
 import android.util.LongSparseArray;
 
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.internal.os.AtomicFile;
 import com.android.server.LocalServices;
 import com.android.server.pm.permission.PermissionManagerInternal;
diff --git a/services/tests/servicestests/src/com/android/server/pm/PackageParserTest.java b/services/tests/servicestests/src/com/android/server/pm/PackageParserTest.java
index 69c0c0f..9736e68 100644
--- a/services/tests/servicestests/src/com/android/server/pm/PackageParserTest.java
+++ b/services/tests/servicestests/src/com/android/server/pm/PackageParserTest.java
@@ -15,6 +15,8 @@
  */
 package com.android.server.pm;
 
+import static org.junit.Assert.*;
+
 import android.content.pm.ActivityInfo;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.ConfigurationInfo;
@@ -29,9 +31,18 @@
 import android.os.Bundle;
 import android.os.Parcel;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.MediumTest;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+import android.util.ArrayMap;
+import android.util.ArraySet;
+
+import androidx.test.filters.MediumTest;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import libcore.io.IoUtils;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
 
 import java.io.File;
 import java.lang.reflect.Array;
@@ -43,16 +54,6 @@
 import java.util.List;
 import java.util.Set;
 
-import static org.junit.Assert.*;
-
-import android.util.ArrayMap;
-import android.util.ArraySet;
-import org.junit.Before;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-
-import libcore.io.IoUtils;
-
 @RunWith(AndroidJUnit4.class)
 @MediumTest
 public class PackageParserTest {
diff --git a/services/tests/servicestests/src/com/android/server/pm/PackageUserStateTest.java b/services/tests/servicestests/src/com/android/server/pm/PackageUserStateTest.java
index 2a4ea8c..4a33ca3 100644
--- a/services/tests/servicestests/src/com/android/server/pm/PackageUserStateTest.java
+++ b/services/tests/servicestests/src/com/android/server/pm/PackageUserStateTest.java
@@ -24,10 +24,11 @@
 
 import android.content.pm.PackageUserState;
 import android.os.PersistableBundle;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.ArraySet;
 
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
diff --git a/services/tests/servicestests/src/com/android/server/pm/ParallelPackageParserTest.java b/services/tests/servicestests/src/com/android/server/pm/ParallelPackageParserTest.java
index d665094..41489dc 100644
--- a/services/tests/servicestests/src/com/android/server/pm/ParallelPackageParserTest.java
+++ b/services/tests/servicestests/src/com/android/server/pm/ParallelPackageParserTest.java
@@ -17,9 +17,10 @@
 package com.android.server.pm;
 
 import android.content.pm.PackageParser;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.Log;
 
+import androidx.test.runner.AndroidJUnit4;
+
 import junit.framework.Assert;
 
 import org.junit.Before;
diff --git a/services/tests/servicestests/src/com/android/server/pm/ShortcutManagerTest1.java b/services/tests/servicestests/src/com/android/server/pm/ShortcutManagerTest1.java
index 7815004..c42c596 100644
--- a/services/tests/servicestests/src/com/android/server/pm/ShortcutManagerTest1.java
+++ b/services/tests/servicestests/src/com/android/server/pm/ShortcutManagerTest1.java
@@ -117,7 +117,7 @@
  adb install \
  -r -g ${ANDROID_PRODUCT_OUT}/data/app/FrameworksServicesTests/FrameworksServicesTests.apk &&
  adb shell am instrument -e class com.android.server.pm.ShortcutManagerTest1 \
- -w com.android.frameworks.servicestests/android.support.test.runner.AndroidJUnitRunner
+ -w com.android.frameworks.servicestests/androidx.test.runner.AndroidJUnitRunner
  */
 @SmallTest
 public class ShortcutManagerTest1 extends BaseShortcutManagerTest {
diff --git a/services/tests/servicestests/src/com/android/server/pm/ShortcutManagerTest10.java b/services/tests/servicestests/src/com/android/server/pm/ShortcutManagerTest10.java
index ca1e6af..ae01b40 100644
--- a/services/tests/servicestests/src/com/android/server/pm/ShortcutManagerTest10.java
+++ b/services/tests/servicestests/src/com/android/server/pm/ShortcutManagerTest10.java
@@ -37,7 +37,7 @@
  adb install \
  -r -g ${ANDROID_PRODUCT_OUT}/data/app/FrameworksServicesTests/FrameworksServicesTests.apk &&
  adb shell am instrument -e class com.android.server.pm.ShortcutManagerTest10 \
- -w com.android.frameworks.servicestests/android.support.test.runner.AndroidJUnitRunner
+ -w com.android.frameworks.servicestests/androidx.test.runner.AndroidJUnitRunner
  */
 @SmallTest
 public class ShortcutManagerTest10 extends BaseShortcutManagerTest {
diff --git a/services/tests/servicestests/src/com/android/server/pm/ShortcutManagerTest2.java b/services/tests/servicestests/src/com/android/server/pm/ShortcutManagerTest2.java
index fcdadac..76d52fd 100644
--- a/services/tests/servicestests/src/com/android/server/pm/ShortcutManagerTest2.java
+++ b/services/tests/servicestests/src/com/android/server/pm/ShortcutManagerTest2.java
@@ -50,8 +50,6 @@
 import java.io.File;
 import java.io.FileWriter;
 import java.io.IOException;
-import java.io.PrintWriter;
-import java.io.StringWriter;
 import java.io.Writer;
 import java.util.Locale;
 
@@ -62,7 +60,7 @@
  adb install \
  -r -g ${ANDROID_PRODUCT_OUT}/data/app/FrameworksServicesTests/FrameworksServicesTests.apk &&
  adb shell am instrument -e class com.android.server.pm.ShortcutManagerTest2 \
- -w com.android.frameworks.servicestests/android.support.test.runner.AndroidJUnitRunner
+ -w com.android.frameworks.servicestests/androidx.test.runner.AndroidJUnitRunner
  */
 @SmallTest
 public class ShortcutManagerTest2 extends BaseShortcutManagerTest {
diff --git a/services/tests/servicestests/src/com/android/server/pm/ShortcutManagerTest8.java b/services/tests/servicestests/src/com/android/server/pm/ShortcutManagerTest8.java
index e9a329c..8a489d2 100644
--- a/services/tests/servicestests/src/com/android/server/pm/ShortcutManagerTest8.java
+++ b/services/tests/servicestests/src/com/android/server/pm/ShortcutManagerTest8.java
@@ -56,7 +56,7 @@
  adb install \
  -r -g ${ANDROID_PRODUCT_OUT}/data/app/FrameworksServicesTests/FrameworksServicesTests.apk &&
  adb shell am instrument -e class com.android.server.pm.ShortcutManagerTest8 \
- -w com.android.frameworks.servicestests/android.support.test.runner.AndroidJUnitRunner
+ -w com.android.frameworks.servicestests/androidx.test.runner.AndroidJUnitRunner
 
  * TODO for CTS
  * - Foreground check.
diff --git a/services/tests/servicestests/src/com/android/server/pm/ShortcutManagerTest9.java b/services/tests/servicestests/src/com/android/server/pm/ShortcutManagerTest9.java
index 012024f1..edb9df5 100644
--- a/services/tests/servicestests/src/com/android/server/pm/ShortcutManagerTest9.java
+++ b/services/tests/servicestests/src/com/android/server/pm/ShortcutManagerTest9.java
@@ -44,7 +44,7 @@
  adb install \
  -r -g ${ANDROID_PRODUCT_OUT}/data/app/FrameworksServicesTests/FrameworksServicesTests.apk &&
  adb shell am instrument -e class com.android.server.pm.ShortcutManagerTest9 \
- -w com.android.frameworks.servicestests/android.support.test.runner.AndroidJUnitRunner
+ -w com.android.frameworks.servicestests/androidx.test.runner.AndroidJUnitRunner
  */
 @SmallTest
 public class ShortcutManagerTest9 extends BaseShortcutManagerTest {
diff --git a/services/tests/servicestests/src/com/android/server/pm/SuspendPackagesTest.java b/services/tests/servicestests/src/com/android/server/pm/SuspendPackagesTest.java
index c186e48..f115b9c 100644
--- a/services/tests/servicestests/src/com/android/server/pm/SuspendPackagesTest.java
+++ b/services/tests/servicestests/src/com/android/server/pm/SuspendPackagesTest.java
@@ -41,9 +41,6 @@
 import android.os.PersistableBundle;
 import android.os.RemoteException;
 import android.os.UserHandle;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.LargeTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.support.test.uiautomator.By;
 import android.support.test.uiautomator.UiDevice;
 import android.support.test.uiautomator.UiObject2;
@@ -52,6 +49,10 @@
 import android.view.IWindowManager;
 import android.view.WindowManagerGlobal;
 
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.LargeTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.servicestests.apps.suspendtestapp.SuspendTestActivity;
 import com.android.servicestests.apps.suspendtestapp.SuspendTestReceiver;
 
diff --git a/services/tests/servicestests/src/com/android/server/pm/UserDataPreparerTest.java b/services/tests/servicestests/src/com/android/server/pm/UserDataPreparerTest.java
index bb35beb..c489cf0 100644
--- a/services/tests/servicestests/src/com/android/server/pm/UserDataPreparerTest.java
+++ b/services/tests/servicestests/src/com/android/server/pm/UserDataPreparerTest.java
@@ -16,15 +16,22 @@
 
 package com.android.server.pm;
 
+import static org.junit.Assert.assertEquals;
+import static org.mockito.Matchers.eq;
+import static org.mockito.Matchers.isNull;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
 import android.content.Context;
 import android.content.pm.UserInfo;
 import android.os.FileUtils;
 import android.os.storage.StorageManager;
 import android.os.storage.VolumeInfo;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Before;
 import org.junit.Test;
@@ -39,19 +46,13 @@
 import java.util.Arrays;
 import java.util.Collections;
 
-import static org.junit.Assert.assertEquals;
-import static org.mockito.Matchers.eq;
-import static org.mockito.Matchers.isNull;
-import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.when;
-
 /**
  * <p>Run with:<pre>
  * m FrameworksServicesTests &&
  * adb install \
  * -r out/target/product/hammerhead/data/app/FrameworksServicesTests/FrameworksServicesTests.apk &&
  * adb shell am instrument -e class com.android.server.pm.UserDataPreparerTest \
- * -w com.android.frameworks.servicestests/android.support.test.runner.AndroidJUnitRunner
+ * -w com.android.frameworks.servicestests/androidx.test.runner.AndroidJUnitRunner
  * </pre>
  */
 @RunWith(AndroidJUnit4.class)
diff --git a/services/tests/servicestests/src/com/android/server/pm/UserLifecycleStressTest.java b/services/tests/servicestests/src/com/android/server/pm/UserLifecycleStressTest.java
index 304e0e9..d6f7e37 100644
--- a/services/tests/servicestests/src/com/android/server/pm/UserLifecycleStressTest.java
+++ b/services/tests/servicestests/src/com/android/server/pm/UserLifecycleStressTest.java
@@ -24,11 +24,12 @@
 import android.content.pm.UserInfo;
 import android.os.RemoteException;
 import android.os.UserManager;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.LargeTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.Log;
 
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.LargeTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/services/tests/servicestests/src/com/android/server/pm/UserManagerServiceCreateProfileTest.java b/services/tests/servicestests/src/com/android/server/pm/UserManagerServiceCreateProfileTest.java
index c314de4..8dd8967 100644
--- a/services/tests/servicestests/src/com/android/server/pm/UserManagerServiceCreateProfileTest.java
+++ b/services/tests/servicestests/src/com/android/server/pm/UserManagerServiceCreateProfileTest.java
@@ -24,20 +24,21 @@
 import android.os.Looper;
 import android.os.UserHandle;
 import android.os.UserManagerInternal;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.MediumTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.IconDrawableFactory;
 
-import com.android.server.LocalServices;
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.MediumTest;
+import androidx.test.runner.AndroidJUnit4;
 
-import java.util.List;
+import com.android.server.LocalServices;
 
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
+import java.util.List;
+
 /**
  * <p>Run with:<pre>
  * runtest -c com.android.server.pm.UserManagerServiceCreateProfileTest frameworks-services
diff --git a/services/tests/servicestests/src/com/android/server/pm/UserManagerServiceIdRecyclingTest.java b/services/tests/servicestests/src/com/android/server/pm/UserManagerServiceIdRecyclingTest.java
index 35967fb..a9ce618 100644
--- a/services/tests/servicestests/src/com/android/server/pm/UserManagerServiceIdRecyclingTest.java
+++ b/services/tests/servicestests/src/com/android/server/pm/UserManagerServiceIdRecyclingTest.java
@@ -16,12 +16,17 @@
 
 package com.android.server.pm;
 
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.fail;
+
 import android.content.pm.UserInfo;
 import android.os.Looper;
 import android.os.UserManagerInternal;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.runner.AndroidJUnit4;
-import android.support.test.filters.MediumTest;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.MediumTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.server.LocalServices;
 
@@ -31,17 +36,13 @@
 
 import java.util.LinkedHashSet;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertTrue;
-import static org.junit.Assert.fail;
-
 /**
  * <p>Run with:<pre>
  * m FrameworksServicesTests &&
  * adb install \
  * -r out/target/product/hammerhead/data/app/FrameworksServicesTests/FrameworksServicesTests.apk &&
  * adb shell am instrument -e class com.android.server.pm.UserManagerServiceIdRecyclingTest \
- * -w com.android.frameworks.servicestests/android.support.test.runner.AndroidJUnitRunner
+ * -w com.android.frameworks.servicestests/androidx.test.runner.AndroidJUnitRunner
  * </pre>
  */
 @RunWith(AndroidJUnit4.class)
diff --git a/services/tests/servicestests/src/com/android/server/pm/UserManagerServiceUserInfoTest.java b/services/tests/servicestests/src/com/android/server/pm/UserManagerServiceUserInfoTest.java
index 092119e..806c71a 100644
--- a/services/tests/servicestests/src/com/android/server/pm/UserManagerServiceUserInfoTest.java
+++ b/services/tests/servicestests/src/com/android/server/pm/UserManagerServiceUserInfoTest.java
@@ -16,16 +16,21 @@
 
 package com.android.server.pm;
 
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
 import android.content.pm.UserInfo;
 import android.os.Looper;
 import android.os.Parcel;
-import android.os.UserManagerInternal;
 import android.os.UserHandle;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.runner.AndroidJUnit4;
-import android.support.test.filters.MediumTest;
+import android.os.UserManagerInternal;
 import android.text.TextUtils;
 
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.MediumTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.server.LocalServices;
 import com.android.server.pm.UserManagerService.UserData;
 
@@ -38,10 +43,6 @@
 import java.io.DataOutputStream;
 import java.util.List;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertTrue;
-
 /**
  * <p>Run with:<pre>
  * runtest -c com.android.server.pm.UserManagerServiceUserInfoTest frameworks-services
diff --git a/services/tests/servicestests/src/com/android/server/pm/UserRestrictionsUtilsTest.java b/services/tests/servicestests/src/com/android/server/pm/UserRestrictionsUtilsTest.java
index 882bf32..2cc5323 100644
--- a/services/tests/servicestests/src/com/android/server/pm/UserRestrictionsUtilsTest.java
+++ b/services/tests/servicestests/src/com/android/server/pm/UserRestrictionsUtilsTest.java
@@ -35,7 +35,7 @@
    adb install \
      -r out/target/product/hammerhead/data/app/FrameworksServicesTests/FrameworksServicesTests.apk &&
    adb shell am instrument -e class com.android.server.pm.UserRestrictionsUtilsTest \
-     -w com.android.frameworks.servicestests/android.support.test.runner.AndroidJUnitRunner
+     -w com.android.frameworks.servicestests/androidx.test.runner.AndroidJUnitRunner
  * </pre>
  */
 @SmallTest
diff --git a/services/tests/servicestests/src/com/android/server/pm/backup/BackupUtilsTest.java b/services/tests/servicestests/src/com/android/server/pm/backup/BackupUtilsTest.java
index caa1d02..13612a1 100644
--- a/services/tests/servicestests/src/com/android/server/pm/backup/BackupUtilsTest.java
+++ b/services/tests/servicestests/src/com/android/server/pm/backup/BackupUtilsTest.java
@@ -17,24 +17,22 @@
 
 import static com.google.common.truth.Truth.assertThat;
 
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
 import static org.mockito.Mockito.doReturn;
 import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.when;
 
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageInfo;
 import android.content.pm.PackageManagerInternal;
 import android.content.pm.PackageParser;
-import android.content.pm.PackageParser.Package;
 import android.content.pm.Signature;
 import android.content.pm.SigningInfo;
-import android.test.MoreAsserts;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+import android.test.MoreAsserts;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.server.backup.BackupUtils;
 
diff --git a/services/tests/servicestests/src/com/android/server/pm/dex/DexLoggerTests.java b/services/tests/servicestests/src/com/android/server/pm/dex/DexLoggerTests.java
index bf8d405..792b25a 100644
--- a/services/tests/servicestests/src/com/android/server/pm/dex/DexLoggerTests.java
+++ b/services/tests/servicestests/src/com/android/server/pm/dex/DexLoggerTests.java
@@ -16,13 +16,20 @@
 
 package com.android.server.pm.dex;
 
+import static com.android.server.pm.dex.PackageDexUsage.DexUseInfo;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.doThrow;
+
 import android.content.pm.ApplicationInfo;
 import android.content.pm.IPackageManager;
-import android.content.pm.PackageInfo;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.os.storage.StorageManager;
 
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.server.pm.Installer;
 import com.android.server.pm.Installer.InstallerException;
 
@@ -40,14 +47,6 @@
 
 import java.util.Arrays;
 
-import static com.google.common.truth.Truth.assertThat;
-
-import static org.mockito.Mockito.doReturn;
-import static org.mockito.Mockito.doThrow;
-
-import static com.android.server.pm.dex.PackageDexUsage.PackageUseInfo;
-import static com.android.server.pm.dex.PackageDexUsage.DexUseInfo;
-
 @RunWith(AndroidJUnit4.class)
 @SmallTest
 public class DexLoggerTests {
diff --git a/services/tests/servicestests/src/com/android/server/pm/dex/DexManagerTests.java b/services/tests/servicestests/src/com/android/server/pm/dex/DexManagerTests.java
index b30c043..2a3ccbd 100644
--- a/services/tests/servicestests/src/com/android/server/pm/dex/DexManagerTests.java
+++ b/services/tests/servicestests/src/com/android/server/pm/dex/DexManagerTests.java
@@ -16,13 +16,28 @@
 
 package com.android.server.pm.dex;
 
+import static com.android.server.pm.dex.PackageDexUsage.DexUseInfo;
+import static com.android.server.pm.dex.PackageDexUsage.PackageUseInfo;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.ArgumentMatchers.anyString;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
 import android.content.pm.ApplicationInfo;
 import android.content.pm.IPackageManager;
 import android.content.pm.PackageInfo;
 import android.os.Build;
 import android.os.UserHandle;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.server.pm.Installer;
 
@@ -30,14 +45,6 @@
 import dalvik.system.PathClassLoader;
 import dalvik.system.VMRuntime;
 
-import java.io.File;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collections;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-
 import org.junit.Before;
 import org.junit.Rule;
 import org.junit.Test;
@@ -47,21 +54,13 @@
 import org.mockito.junit.MockitoRule;
 import org.mockito.quality.Strictness;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertNull;
-import static org.junit.Assert.assertTrue;
-import static org.junit.Assert.fail;
-import static org.mockito.ArgumentMatchers.any;
-import static org.mockito.ArgumentMatchers.anyInt;
-import static org.mockito.ArgumentMatchers.anyString;
-import static org.mockito.Mockito.times;
-import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.when;
-
-import static com.android.server.pm.dex.PackageDexUsage.PackageUseInfo;
-import static com.android.server.pm.dex.PackageDexUsage.DexUseInfo;
+import java.io.File;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
 
 @RunWith(AndroidJUnit4.class)
 @SmallTest
diff --git a/services/tests/servicestests/src/com/android/server/pm/dex/DexoptOptionsTests.java b/services/tests/servicestests/src/com/android/server/pm/dex/DexoptOptionsTests.java
index 93064bc..62589eb 100644
--- a/services/tests/servicestests/src/com/android/server/pm/dex/DexoptOptionsTests.java
+++ b/services/tests/servicestests/src/com/android/server/pm/dex/DexoptOptionsTests.java
@@ -19,19 +19,19 @@
 
 import static com.android.server.pm.PackageManagerServiceCompilerMapping.getCompilerFilterForReason;
 
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
-
-import org.junit.Test;
-import org.junit.runner.RunWith;
-
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
 
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.server.pm.PackageManagerService;
 import com.android.server.pm.PackageManagerServiceCompilerMapping;
 
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
 @RunWith(AndroidJUnit4.class)
 @SmallTest
 public class DexoptOptionsTests {
diff --git a/services/tests/servicestests/src/com/android/server/pm/dex/DexoptUtilsTest.java b/services/tests/servicestests/src/com/android/server/pm/dex/DexoptUtilsTest.java
index aa51ecd..3a55c22 100644
--- a/services/tests/servicestests/src/com/android/server/pm/dex/DexoptUtilsTest.java
+++ b/services/tests/servicestests/src/com/android/server/pm/dex/DexoptUtilsTest.java
@@ -23,11 +23,12 @@
 import static org.junit.Assert.fail;
 
 import android.content.pm.ApplicationInfo;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.content.pm.SharedLibraryInfo;
 import android.util.SparseArray;
 
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import dalvik.system.DelegateLastClassLoader;
 import dalvik.system.DexClassLoader;
 import dalvik.system.PathClassLoader;
@@ -36,8 +37,8 @@
 import org.junit.runner.RunWith;
 
 import java.io.File;
-import java.util.Arrays;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
 
@@ -332,6 +333,20 @@
     }
 
     @Test
+    public void testSharedLibraryContext() {
+        SharedLibraryInfo sharedLibrary =
+                createMockSharedLibrary(new String[] {"a.dex", "b.dex"}).get(0);
+        String context = DexoptUtils.getClassLoaderContext(sharedLibrary);
+        assertEquals("PCL[]", context);
+
+        SharedLibraryInfo otherSharedLibrary =
+                createMockSharedLibrary(new String[] {"c.dex"}).get(0);
+        otherSharedLibrary.addDependency(sharedLibrary);
+        context = DexoptUtils.getClassLoaderContext(otherSharedLibrary);
+        assertEquals("PCL[]{PCL[a.dex:b.dex]}", context);
+    }
+
+    @Test
     public void testProcessContextForDexLoad() {
         List<String> classLoaders = Arrays.asList(
                 DELEGATE_LAST_CLASS_LOADER_NAME,
diff --git a/services/tests/servicestests/src/com/android/server/pm/dex/PackageDexUsageTests.java b/services/tests/servicestests/src/com/android/server/pm/dex/PackageDexUsageTests.java
index 0de0503..3107813 100644
--- a/services/tests/servicestests/src/com/android/server/pm/dex/PackageDexUsageTests.java
+++ b/services/tests/servicestests/src/com/android/server/pm/dex/PackageDexUsageTests.java
@@ -16,12 +16,23 @@
 
 package com.android.server.pm.dex;
 
+import static com.android.server.pm.dex.PackageDexUsage.DexUseInfo;
+import static com.android.server.pm.dex.PackageDexUsage.PackageUseInfo;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.fail;
+
 import android.os.Build;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import dalvik.system.VMRuntime;
 
-import java.util.Collections;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -35,16 +46,6 @@
 import java.util.Map;
 import java.util.Set;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertNull;
-import static org.junit.Assert.assertTrue;
-import static org.junit.Assert.fail;
-
-import static com.android.server.pm.dex.PackageDexUsage.PackageUseInfo;
-import static com.android.server.pm.dex.PackageDexUsage.DexUseInfo;
-
 @RunWith(AndroidJUnit4.class)
 @SmallTest
 public class PackageDexUsageTests {
diff --git a/services/tests/servicestests/src/com/android/server/policy/PhoneWindowManagerInsetsTest.java b/services/tests/servicestests/src/com/android/server/policy/PhoneWindowManagerInsetsTest.java
index 7e18ce7..cce6ba7 100644
--- a/services/tests/servicestests/src/com/android/server/policy/PhoneWindowManagerInsetsTest.java
+++ b/services/tests/servicestests/src/com/android/server/policy/PhoneWindowManagerInsetsTest.java
@@ -22,16 +22,15 @@
 import static android.view.Surface.ROTATION_90;
 
 import static org.hamcrest.Matchers.equalTo;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertThat;
 
 import android.graphics.Rect;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.view.Display;
 import android.view.DisplayInfo;
 
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.Before;
 import org.junit.Rule;
 import org.junit.Test;
diff --git a/services/tests/servicestests/src/com/android/server/policy/PhoneWindowManagerLayoutTest.java b/services/tests/servicestests/src/com/android/server/policy/PhoneWindowManagerLayoutTest.java
index 97a716f..64ec9ad 100644
--- a/services/tests/servicestests/src/com/android/server/policy/PhoneWindowManagerLayoutTest.java
+++ b/services/tests/servicestests/src/com/android/server/policy/PhoneWindowManagerLayoutTest.java
@@ -22,7 +22,6 @@
 import static android.view.View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN;
 import static android.view.ViewGroup.LayoutParams.MATCH_PARENT;
 import static android.view.WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS;
-import static android.view.WindowManager.LayoutParams.FLAG_FULLSCREEN;
 import static android.view.WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR;
 import static android.view.WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN;
 import static android.view.WindowManager.LayoutParams.LAYOUT_IN_DISPLAY_CUTOUT_MODE_ALWAYS;
@@ -40,11 +39,12 @@
 import android.graphics.PixelFormat;
 import android.graphics.Rect;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.view.DisplayCutout;
 import android.view.WindowManager;
 
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/services/tests/servicestests/src/com/android/server/policy/PhoneWindowManagerTest.java b/services/tests/servicestests/src/com/android/server/policy/PhoneWindowManagerTest.java
index 30665b5..d92d7e0 100644
--- a/services/tests/servicestests/src/com/android/server/policy/PhoneWindowManagerTest.java
+++ b/services/tests/servicestests/src/com/android/server/policy/PhoneWindowManagerTest.java
@@ -19,6 +19,10 @@
 import static android.view.View.SYSTEM_UI_FLAG_LIGHT_NAVIGATION_BAR;
 import static android.view.ViewGroup.LayoutParams.MATCH_PARENT;
 import static android.view.ViewGroup.LayoutParams.WRAP_CONTENT;
+import static android.view.WindowManager.DOCKED_BOTTOM;
+import static android.view.WindowManager.DOCKED_LEFT;
+import static android.view.WindowManager.DOCKED_RIGHT;
+import static android.view.WindowManager.DOCKED_TOP;
 import static android.view.WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM;
 import static android.view.WindowManager.LayoutParams.FLAG_DIM_BEHIND;
 import static android.view.WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS;
@@ -28,13 +32,9 @@
 import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION;
 import static android.view.WindowManager.LayoutParams.TYPE_BASE_APPLICATION;
 import static android.view.WindowManager.LayoutParams.TYPE_INPUT_METHOD;
-import static android.view.WindowManager.DOCKED_BOTTOM;
-import static android.view.WindowManager.DOCKED_LEFT;
-import static android.view.WindowManager.DOCKED_RIGHT;
-import static android.view.WindowManager.DOCKED_TOP;
 
-import static com.android.server.policy.WindowManagerPolicy.NAV_BAR_LEFT;
 import static com.android.server.policy.WindowManagerPolicy.NAV_BAR_BOTTOM;
+import static com.android.server.policy.WindowManagerPolicy.NAV_BAR_LEFT;
 import static com.android.server.policy.WindowManagerPolicy.NAV_BAR_RIGHT;
 
 import static org.junit.Assert.assertEquals;
@@ -44,10 +44,11 @@
 
 import android.graphics.PixelFormat;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.view.WindowManager;
 
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
diff --git a/services/tests/servicestests/src/com/android/server/policy/PhoneWindowManagerTestBase.java b/services/tests/servicestests/src/com/android/server/policy/PhoneWindowManagerTestBase.java
index 1d37802..140e4ba 100644
--- a/services/tests/servicestests/src/com/android/server/policy/PhoneWindowManagerTestBase.java
+++ b/services/tests/servicestests/src/com/android/server/policy/PhoneWindowManagerTestBase.java
@@ -34,13 +34,11 @@
 import android.content.pm.PackageManager;
 import android.content.res.Resources;
 import android.graphics.Matrix;
-import android.graphics.Path;
 import android.graphics.PixelFormat;
 import android.graphics.Rect;
 import android.graphics.RectF;
 import android.os.IBinder;
 import android.os.UserHandle;
-import android.support.test.InstrumentationRegistry;
 import android.testing.TestableResources;
 import android.util.Pair;
 import android.view.Display;
@@ -53,6 +51,8 @@
 import android.view.accessibility.AccessibilityManager;
 import android.view.accessibility.IAccessibilityManager;
 
+import androidx.test.InstrumentationRegistry;
+
 import com.android.server.policy.keyguard.KeyguardServiceDelegate;
 import com.android.server.wm.DisplayFrames;
 import com.android.server.wm.utils.WmDisplayCutout;
diff --git a/services/tests/servicestests/src/com/android/server/power/batterysaver/BatterySaverStateMachineTest.java b/services/tests/servicestests/src/com/android/server/power/batterysaver/BatterySaverStateMachineTest.java
index 5b24725..e8394fe 100644
--- a/services/tests/servicestests/src/com/android/server/power/batterysaver/BatterySaverStateMachineTest.java
+++ b/services/tests/servicestests/src/com/android/server/power/batterysaver/BatterySaverStateMachineTest.java
@@ -24,10 +24,11 @@
 
 import android.content.ContentResolver;
 import android.provider.Settings.Global;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.test.mock.MockContext;
 
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.google.common.base.Objects;
 
 import org.junit.Before;
diff --git a/services/tests/servicestests/src/com/android/server/power/batterysaver/BatterySavingStatsTest.java b/services/tests/servicestests/src/com/android/server/power/batterysaver/BatterySavingStatsTest.java
index 9bd4cc3..ba61fd2 100644
--- a/services/tests/servicestests/src/com/android/server/power/batterysaver/BatterySavingStatsTest.java
+++ b/services/tests/servicestests/src/com/android/server/power/batterysaver/BatterySavingStatsTest.java
@@ -25,8 +25,9 @@
 import static org.mockito.Mockito.verify;
 
 import android.metrics.LogMaker;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.internal.logging.MetricsLogger;
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
diff --git a/services/tests/servicestests/src/com/android/server/power/batterysaver/CpuFrequenciesTest.java b/services/tests/servicestests/src/com/android/server/power/batterysaver/CpuFrequenciesTest.java
index f72ec34..8371e9c 100644
--- a/services/tests/servicestests/src/com/android/server/power/batterysaver/CpuFrequenciesTest.java
+++ b/services/tests/servicestests/src/com/android/server/power/batterysaver/CpuFrequenciesTest.java
@@ -17,10 +17,11 @@
 
 import static org.junit.Assert.assertEquals;
 
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.ArrayMap;
 
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
diff --git a/services/tests/servicestests/src/com/android/server/power/batterysaver/FileUpdaterTest.java b/services/tests/servicestests/src/com/android/server/power/batterysaver/FileUpdaterTest.java
index 7324fe6..89c7dd4 100644
--- a/services/tests/servicestests/src/com/android/server/power/batterysaver/FileUpdaterTest.java
+++ b/services/tests/servicestests/src/com/android/server/power/batterysaver/FileUpdaterTest.java
@@ -27,14 +27,14 @@
 import static org.mockito.Mockito.verify;
 
 import android.content.Context;
-import android.hardware.camera2.impl.GetCommand;
 import android.os.Handler;
 import android.os.Looper;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.ArrayMap;
 
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -48,7 +48,6 @@
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.atomic.AtomicInteger;
 
-
 /**
  atest $ANDROID_BUILD_TOP/frameworks/base/services/tests/servicestests/src/com/android/server/power/batterysaver/FileUpdaterTest.java
  */
diff --git a/services/tests/servicestests/src/com/android/server/timedetector/SimpleTimeZoneDetectorStrategyTest.java b/services/tests/servicestests/src/com/android/server/timedetector/SimpleTimeZoneDetectorStrategyTest.java
index 62f1433..9e00077 100644
--- a/services/tests/servicestests/src/com/android/server/timedetector/SimpleTimeZoneDetectorStrategyTest.java
+++ b/services/tests/servicestests/src/com/android/server/timedetector/SimpleTimeZoneDetectorStrategyTest.java
@@ -28,9 +28,10 @@
 import android.icu.util.Calendar;
 import android.icu.util.GregorianCalendar;
 import android.icu.util.TimeZone;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.TimestampedValue;
 
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/services/tests/servicestests/src/com/android/server/timedetector/TimeDetectorServiceTest.java b/services/tests/servicestests/src/com/android/server/timedetector/TimeDetectorServiceTest.java
index ed74cd7..45fef76 100644
--- a/services/tests/servicestests/src/com/android/server/timedetector/TimeDetectorServiceTest.java
+++ b/services/tests/servicestests/src/com/android/server/timedetector/TimeDetectorServiceTest.java
@@ -31,15 +31,16 @@
 import android.app.timedetector.TimeSignal;
 import android.content.Context;
 import android.content.pm.PackageManager;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.TimestampedValue;
 
+import androidx.test.runner.AndroidJUnit4;
+
+import com.android.server.timedetector.TimeDetectorStrategy.Callback;
+
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
-import com.android.server.timedetector.TimeDetectorStrategy.Callback;
-
 import java.io.PrintWriter;
 
 @RunWith(AndroidJUnit4.class)
diff --git a/services/tests/servicestests/src/com/android/server/timedetector/TimeDetectorStrategyTest.java b/services/tests/servicestests/src/com/android/server/timedetector/TimeDetectorStrategyTest.java
index 301ded4..239d413 100644
--- a/services/tests/servicestests/src/com/android/server/timedetector/TimeDetectorStrategyTest.java
+++ b/services/tests/servicestests/src/com/android/server/timedetector/TimeDetectorStrategyTest.java
@@ -18,9 +18,10 @@
 
 import static org.junit.Assert.assertEquals;
 
-import android.support.test.runner.AndroidJUnit4;
 import android.util.TimestampedValue;
 
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
diff --git a/services/tests/servicestests/src/com/android/server/timezone/CheckTokenTest.java b/services/tests/servicestests/src/com/android/server/timezone/CheckTokenTest.java
index 9603a06..f7d282b 100644
--- a/services/tests/servicestests/src/com/android/server/timezone/CheckTokenTest.java
+++ b/services/tests/servicestests/src/com/android/server/timezone/CheckTokenTest.java
@@ -16,16 +16,16 @@
 
 package com.android.server.timezone;
 
-import org.junit.Test;
-
-import android.support.test.filters.SmallTest;
-
-import java.io.IOException;
-
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.fail;
 
+import androidx.test.filters.SmallTest;
+
+import org.junit.Test;
+
+import java.io.IOException;
+
 @SmallTest
 public class CheckTokenTest {
 
diff --git a/services/tests/servicestests/src/com/android/server/timezone/PackageStatusStorageTest.java b/services/tests/servicestests/src/com/android/server/timezone/PackageStatusStorageTest.java
index 74013b7..090db11 100644
--- a/services/tests/servicestests/src/com/android/server/timezone/PackageStatusStorageTest.java
+++ b/services/tests/servicestests/src/com/android/server/timezone/PackageStatusStorageTest.java
@@ -16,26 +16,28 @@
 
 package com.android.server.timezone;
 
-import org.junit.After;
-import org.junit.Before;
-import org.junit.Test;
-
-import android.content.Context;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-
-import java.io.File;
-import java.io.IOException;
-import java.io.PrintWriter;
-import java.io.StringWriter;
-
 import static junit.framework.Assert.assertTrue;
+
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.fail;
 
+import android.content.Context;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.io.StringWriter;
+
 @SmallTest
 public class PackageStatusStorageTest {
     private static final PackageVersions VALID_PACKAGE_VERSIONS = new PackageVersions(1, 2);
diff --git a/services/tests/servicestests/src/com/android/server/timezone/PackageStatusTest.java b/services/tests/servicestests/src/com/android/server/timezone/PackageStatusTest.java
index c0ae81e..9b45f05 100644
--- a/services/tests/servicestests/src/com/android/server/timezone/PackageStatusTest.java
+++ b/services/tests/servicestests/src/com/android/server/timezone/PackageStatusTest.java
@@ -16,13 +16,13 @@
 
 package com.android.server.timezone;
 
-import org.junit.Test;
-
-import android.support.test.filters.SmallTest;
-
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 
+import androidx.test.filters.SmallTest;
+
+import org.junit.Test;
+
 @SmallTest
 public class PackageStatusTest {
 
diff --git a/services/tests/servicestests/src/com/android/server/timezone/PackageTrackerTest.java b/services/tests/servicestests/src/com/android/server/timezone/PackageTrackerTest.java
index d9f4adf..1356ea2 100644
--- a/services/tests/servicestests/src/com/android/server/timezone/PackageTrackerTest.java
+++ b/services/tests/servicestests/src/com/android/server/timezone/PackageTrackerTest.java
@@ -16,27 +16,6 @@
 
 package com.android.server.timezone;
 
-import org.hamcrest.BaseMatcher;
-import org.hamcrest.Description;
-import org.hamcrest.Matcher;
-import org.junit.After;
-import org.junit.Before;
-import org.junit.Test;
-
-import android.app.timezone.RulesUpdaterContract;
-import android.content.Context;
-import android.content.Intent;
-import android.provider.TimeZoneRulesDataContract;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-
-import java.io.File;
-import java.io.PrintWriter;
-import java.io.StringWriter;
-import java.time.Clock;
-import java.time.Instant;
-import java.time.ZoneId;
-
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotNull;
@@ -48,6 +27,28 @@
 import static org.mockito.Mockito.when;
 import static org.mockito.hamcrest.MockitoHamcrest.argThat;
 
+import android.app.timezone.RulesUpdaterContract;
+import android.content.Context;
+import android.content.Intent;
+import android.provider.TimeZoneRulesDataContract;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+
+import org.hamcrest.BaseMatcher;
+import org.hamcrest.Description;
+import org.hamcrest.Matcher;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+import java.io.File;
+import java.io.PrintWriter;
+import java.io.StringWriter;
+import java.time.Clock;
+import java.time.Instant;
+import java.time.ZoneId;
+
 /**
  * White box interaction / unit testing of the {@link PackageTracker}.
  */
diff --git a/services/tests/servicestests/src/com/android/server/timezone/PackageVersionsTest.java b/services/tests/servicestests/src/com/android/server/timezone/PackageVersionsTest.java
index a470f8f..9ffc4e9 100644
--- a/services/tests/servicestests/src/com/android/server/timezone/PackageVersionsTest.java
+++ b/services/tests/servicestests/src/com/android/server/timezone/PackageVersionsTest.java
@@ -16,13 +16,13 @@
 
 package com.android.server.timezone;
 
-import org.junit.Test;
-
-import android.support.test.filters.SmallTest;
-
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 
+import androidx.test.filters.SmallTest;
+
+import org.junit.Test;
+
 @SmallTest
 public class PackageVersionsTest {
 
diff --git a/services/tests/servicestests/src/com/android/server/usage/AppStandbyControllerTests.java b/services/tests/servicestests/src/com/android/server/usage/AppStandbyControllerTests.java
index 39fc715..b3683de 100644
--- a/services/tests/servicestests/src/com/android/server/usage/AppStandbyControllerTests.java
+++ b/services/tests/servicestests/src/com/android/server/usage/AppStandbyControllerTests.java
@@ -37,11 +37,9 @@
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotEquals;
 import static org.junit.Assert.assertTrue;
-
 import static org.junit.Assert.fail;
 import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Matchers.anyInt;
-import static org.mockito.Matchers.anyString;
 import static org.mockito.Mockito.doReturn;
 import static org.mockito.Mockito.mock;
 
@@ -58,12 +56,13 @@
 import android.os.Looper;
 import android.os.RemoteException;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.ArraySet;
 import android.view.Display;
 
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.server.SystemService;
 
 import org.junit.Before;
diff --git a/services/tests/servicestests/src/com/android/server/usage/AppTimeLimitControllerTests.java b/services/tests/servicestests/src/com/android/server/usage/AppTimeLimitControllerTests.java
index 84475bb..047addd 100644
--- a/services/tests/servicestests/src/com/android/server/usage/AppTimeLimitControllerTests.java
+++ b/services/tests/servicestests/src/com/android/server/usage/AppTimeLimitControllerTests.java
@@ -19,13 +19,13 @@
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
-import static org.junit.Assert.fail;
 
 import android.app.PendingIntent;
 import android.os.HandlerThread;
 import android.os.Looper;
-import android.support.test.filters.MediumTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.MediumTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.After;
 import org.junit.Before;
diff --git a/services/tests/servicestests/src/com/android/server/utils/PriorityDumpTest.java b/services/tests/servicestests/src/com/android/server/utils/PriorityDumpTest.java
index da45d81..4eb2474 100644
--- a/services/tests/servicestests/src/com/android/server/utils/PriorityDumpTest.java
+++ b/services/tests/servicestests/src/com/android/server/utils/PriorityDumpTest.java
@@ -18,14 +18,16 @@
 
 import static com.android.server.utils.PriorityDump.dump;
 
-import static org.junit.Assert.assertSame;
 import static org.junit.Assert.assertArrayEquals;
+import static org.junit.Assert.assertSame;
 import static org.mockito.Matchers.eq;
 import static org.mockito.Matchers.same;
 import static org.mockito.Mockito.verify;
 
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
+
+import androidx.test.filters.SmallTest;
+
 import com.android.server.utils.PriorityDump.PriorityDumper;
 
 import org.junit.Before;
diff --git a/services/tests/servicestests/src/com/android/server/wallpaper/WallpaperServiceTests.java b/services/tests/servicestests/src/com/android/server/wallpaper/WallpaperServiceTests.java
index 9c010a0..2dd8817 100644
--- a/services/tests/servicestests/src/com/android/server/wallpaper/WallpaperServiceTests.java
+++ b/services/tests/servicestests/src/com/android/server/wallpaper/WallpaperServiceTests.java
@@ -24,9 +24,10 @@
 import android.os.Message;
 import android.os.SystemClock;
 import android.service.wallpaper.WallpaperService;
-import android.support.test.annotation.UiThreadTest;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.annotation.UiThreadTest;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/services/tests/servicestests/src/com/android/server/webkit/WebViewUpdateServiceTest.java b/services/tests/servicestests/src/com/android/server/webkit/WebViewUpdateServiceTest.java
index dca09af..02c6ae0 100644
--- a/services/tests/servicestests/src/com/android/server/webkit/WebViewUpdateServiceTest.java
+++ b/services/tests/servicestests/src/com/android/server/webkit/WebViewUpdateServiceTest.java
@@ -19,15 +19,12 @@
 import static org.junit.Assert.assertArrayEquals;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertTrue;
 
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageInfo;
 import android.content.pm.Signature;
 import android.os.Build;
 import android.os.Bundle;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.runner.AndroidJUnit4;
 import android.test.suitebuilder.annotation.MediumTest;
 import android.util.Base64;
 import android.webkit.UserPackage;
@@ -35,17 +32,17 @@
 import android.webkit.WebViewProviderInfo;
 import android.webkit.WebViewProviderResponse;
 
+import androidx.test.InstrumentationRegistry;
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.Test;
 import org.junit.runner.RunWith;
-
 import org.mockito.ArgumentMatcher;
-import org.mockito.Mockito;
 import org.mockito.Matchers;
+import org.mockito.Mockito;
 
-import java.lang.Integer;
 import java.util.concurrent.CountDownLatch;
 
-
 /**
  * Tests for WebViewUpdateService
  runtest --path frameworks/base/services/tests/servicestests/ \
diff --git a/services/tests/servicestests/src/com/android/server/wm/AnimatingAppWindowTokenRegistryTest.java b/services/tests/servicestests/src/com/android/server/wm/AnimatingAppWindowTokenRegistryTest.java
index 164c80b..b5fe8b1 100644
--- a/services/tests/servicestests/src/com/android/server/wm/AnimatingAppWindowTokenRegistryTest.java
+++ b/services/tests/servicestests/src/com/android/server/wm/AnimatingAppWindowTokenRegistryTest.java
@@ -18,27 +18,22 @@
 
 import static android.app.WindowConfiguration.ACTIVITY_TYPE_STANDARD;
 import static android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN;
-import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE;
-import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_PORTRAIT;
+
 import static junit.framework.Assert.assertFalse;
 import static junit.framework.Assert.assertTrue;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNull;
-import static org.mockito.ArgumentMatchers.any;
+
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.verifyZeroInteractions;
 
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.FlakyTest;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 
-import com.android.server.wm.SurfaceAnimator.OnAnimationFinishedCallback;
+import androidx.test.filters.FlakyTest;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.mockito.ArgumentCaptor;
 import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
 
diff --git a/services/tests/servicestests/src/com/android/server/wm/AppTransitionTests.java b/services/tests/servicestests/src/com/android/server/wm/AppTransitionTests.java
index be7d781..3053c41 100644
--- a/services/tests/servicestests/src/com/android/server/wm/AppTransitionTests.java
+++ b/services/tests/servicestests/src/com/android/server/wm/AppTransitionTests.java
@@ -20,13 +20,15 @@
 import static android.view.WindowManager.TRANSIT_CRASHING_ACTIVITY_CLOSE;
 import static android.view.WindowManager.TRANSIT_KEYGUARD_GOING_AWAY;
 import static android.view.WindowManager.TRANSIT_KEYGUARD_UNOCCLUDE;
+
 import static org.junit.Assert.assertEquals;
 
 import android.content.Context;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Before;
 import org.junit.Rule;
diff --git a/services/tests/servicestests/src/com/android/server/wm/AppWindowContainerControllerTests.java b/services/tests/servicestests/src/com/android/server/wm/AppWindowContainerControllerTests.java
index e0645b1..fcd8a39e4 100644
--- a/services/tests/servicestests/src/com/android/server/wm/AppWindowContainerControllerTests.java
+++ b/services/tests/servicestests/src/com/android/server/wm/AppWindowContainerControllerTests.java
@@ -16,26 +16,28 @@
 
 package com.android.server.wm;
 
-import android.support.test.filters.FlakyTest;
-import org.junit.Test;
-
-import android.platform.test.annotations.Presubmit;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
-
 import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE;
 import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
 import static android.content.res.Configuration.EMPTY;
 import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION_STARTING;
+
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.fail;
 
+import android.platform.test.annotations.Presubmit;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.FlakyTest;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.server.wm.WindowTestUtils.TestTaskWindowContainerController;
 
+import org.junit.Test;
+
 /**
  * Test class for {@link AppWindowContainerController}.
  *
diff --git a/services/tests/servicestests/src/com/android/server/wm/AppWindowTokenTests.java b/services/tests/servicestests/src/com/android/server/wm/AppWindowTokenTests.java
index f6599dc..9dd1006 100644
--- a/services/tests/servicestests/src/com/android/server/wm/AppWindowTokenTests.java
+++ b/services/tests/servicestests/src/com/android/server/wm/AppWindowTokenTests.java
@@ -16,16 +16,6 @@
 
 package com.android.server.wm;
 
-import org.junit.Test;
-import org.junit.runner.RunWith;
-
-import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.FlakyTest;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
-import android.view.Surface;
-import android.view.WindowManager;
-
 import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_BEHIND;
 import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE;
 import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE;
@@ -38,10 +28,23 @@
 import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION_STARTING;
 import static android.view.WindowManager.LayoutParams.TYPE_BASE_APPLICATION;
 import static android.view.WindowManager.TRANSIT_UNSET;
+
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
+
+import android.platform.test.annotations.Presubmit;
+import android.view.Surface;
+import android.view.WindowManager;
+
+import androidx.test.filters.FlakyTest;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
 /**
  * Tests for the {@link AppWindowToken} class.
  *
diff --git a/services/tests/servicestests/src/com/android/server/wm/BoundsAnimationControllerTests.java b/services/tests/servicestests/src/com/android/server/wm/BoundsAnimationControllerTests.java
index ff631e7..e6d81a7 100644
--- a/services/tests/servicestests/src/com/android/server/wm/BoundsAnimationControllerTests.java
+++ b/services/tests/servicestests/src/com/android/server/wm/BoundsAnimationControllerTests.java
@@ -21,34 +21,30 @@
 import static com.android.server.wm.BoundsAnimationController.SCHEDULE_PIP_MODE_CHANGED_ON_START;
 import static com.android.server.wm.BoundsAnimationController.SchedulePipModeChangedState;
 
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotEquals;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertSame;
+import static org.junit.Assert.assertTrue;
+
 import android.animation.ValueAnimator;
 import android.content.Context;
 import android.graphics.Rect;
 import android.os.Handler;
 import android.os.Looper;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.annotation.UiThreadTest;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 
+import androidx.test.InstrumentationRegistry;
+import androidx.test.annotation.UiThreadTest;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import com.android.server.wm.BoundsAnimationController.BoundsAnimator;
 import com.android.server.wm.WindowManagerInternal.AppTransitionListener;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertNotEquals;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertNotSame;
-import static org.junit.Assert.assertNull;
-import static org.junit.Assert.assertSame;
-import static org.junit.Assert.assertTrue;
-import static org.junit.Assert.fail;
-
-import com.android.server.wm.BoundsAnimationController.BoundsAnimator;
-
 /**
  * Test class for {@link BoundsAnimationController} to ensure that it sends the right callbacks
  * depending on the various interactions.
diff --git a/services/tests/servicestests/src/com/android/server/wm/ConfigurationContainerTests.java b/services/tests/servicestests/src/com/android/server/wm/ConfigurationContainerTests.java
index 192e156..74370bb 100644
--- a/services/tests/servicestests/src/com/android/server/wm/ConfigurationContainerTests.java
+++ b/services/tests/servicestests/src/com/android/server/wm/ConfigurationContainerTests.java
@@ -17,7 +17,6 @@
 package com.android.server.wm;
 
 import static android.app.WindowConfiguration.ACTIVITY_TYPE_HOME;
-import static android.app.WindowConfiguration.ACTIVITY_TYPE_RECENTS;
 import static android.app.WindowConfiguration.ACTIVITY_TYPE_STANDARD;
 import static android.app.WindowConfiguration.ACTIVITY_TYPE_UNDEFINED;
 import static android.app.WindowConfiguration.WINDOWING_MODE_FREEFORM;
@@ -28,13 +27,16 @@
 import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE;
 import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT;
 import static android.content.res.Configuration.EMPTY;
+
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
 
 import android.content.res.Configuration;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
diff --git a/services/tests/servicestests/src/com/android/server/wm/DimmerTests.java b/services/tests/servicestests/src/com/android/server/wm/DimmerTests.java
index 6769e40..21555e3 100644
--- a/services/tests/servicestests/src/com/android/server/wm/DimmerTests.java
+++ b/services/tests/servicestests/src/com/android/server/wm/DimmerTests.java
@@ -29,10 +29,11 @@
 
 import android.graphics.Rect;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.runner.AndroidJUnit4;
 import android.view.SurfaceControl;
 import android.view.SurfaceSession;
 
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/services/tests/servicestests/src/com/android/server/wm/DisplayContentTests.java b/services/tests/servicestests/src/com/android/server/wm/DisplayContentTests.java
index ac196f9..bfac230 100644
--- a/services/tests/servicestests/src/com/android/server/wm/DisplayContentTests.java
+++ b/services/tests/servicestests/src/com/android/server/wm/DisplayContentTests.java
@@ -28,6 +28,7 @@
 import static android.view.WindowManager.LayoutParams.TYPE_BASE_APPLICATION;
 import static android.view.WindowManager.LayoutParams.TYPE_STATUS_BAR;
 import static android.view.WindowManager.LayoutParams.TYPE_VOICE_INTERACTION;
+
 import static com.android.server.wm.WindowContainer.POSITION_TOP;
 
 import static org.hamcrest.Matchers.is;
@@ -38,25 +39,26 @@
 import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
 
-import org.junit.Test;
-import org.junit.runner.RunWith;
-
 import android.annotation.SuppressLint;
 import android.content.res.Configuration;
 import android.graphics.Rect;
 import android.os.SystemClock;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.FlakyTest;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.DisplayMetrics;
 import android.util.SparseIntArray;
 import android.view.DisplayCutout;
 import android.view.MotionEvent;
 import android.view.Surface;
 
+import androidx.test.filters.FlakyTest;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.server.wm.utils.WmDisplayCutout;
 
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
diff --git a/services/tests/servicestests/src/com/android/server/wm/DragDropControllerTests.java b/services/tests/servicestests/src/com/android/server/wm/DragDropControllerTests.java
index a09656c..f383fda 100644
--- a/services/tests/servicestests/src/com/android/server/wm/DragDropControllerTests.java
+++ b/services/tests/servicestests/src/com/android/server/wm/DragDropControllerTests.java
@@ -19,6 +19,7 @@
 import static android.app.WindowConfiguration.ACTIVITY_TYPE_STANDARD;
 import static android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN;
 import static android.view.WindowManager.LayoutParams.TYPE_BASE_APPLICATION;
+
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertTrue;
 import static org.mockito.Mockito.any;
@@ -33,21 +34,25 @@
 import android.os.UserHandle;
 import android.os.UserManagerInternal;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.view.InputChannel;
 import android.view.SurfaceControl;
 import android.view.SurfaceSession;
 import android.view.View;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.internal.annotations.GuardedBy;
 import com.android.server.LocalServices;
-import java.util.concurrent.CountDownLatch;
-import java.util.concurrent.TimeUnit;
+
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
+
 /**
  * Tests for the {@link DragDropController} class.
  *
diff --git a/services/tests/servicestests/src/com/android/server/wm/PinnedStackControllerTest.java b/services/tests/servicestests/src/com/android/server/wm/PinnedStackControllerTest.java
index 96745fa..7222a99 100644
--- a/services/tests/servicestests/src/com/android/server/wm/PinnedStackControllerTest.java
+++ b/services/tests/servicestests/src/com/android/server/wm/PinnedStackControllerTest.java
@@ -2,18 +2,6 @@
 
 import static android.view.Display.DEFAULT_DISPLAY;
 
-import android.os.RemoteException;
-import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
-import android.view.IPinnedStackListener;
-
-import org.junit.Before;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.mockito.Mock;
-import org.mockito.MockitoAnnotations;
-
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.anyBoolean;
 import static org.mockito.ArgumentMatchers.anyInt;
@@ -23,6 +11,19 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
+import android.os.RemoteException;
+import android.platform.test.annotations.Presubmit;
+import android.view.IPinnedStackListener;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
 @SmallTest
 @Presubmit
 @RunWith(AndroidJUnit4.class)
diff --git a/services/tests/servicestests/src/com/android/server/wm/RecentsAnimationControllerTest.java b/services/tests/servicestests/src/com/android/server/wm/RecentsAnimationControllerTest.java
index a2af9b8..e7c45d5 100644
--- a/services/tests/servicestests/src/com/android/server/wm/RecentsAnimationControllerTest.java
+++ b/services/tests/servicestests/src/com/android/server/wm/RecentsAnimationControllerTest.java
@@ -19,8 +19,10 @@
 import static android.app.WindowConfiguration.ACTIVITY_TYPE_STANDARD;
 import static android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN;
 import static android.view.Display.DEFAULT_DISPLAY;
+
 import static com.android.server.wm.RecentsAnimationController.REORDER_KEEP_IN_PLACE;
 import static com.android.server.wm.RecentsAnimationController.REORDER_MOVE_TO_ORIGINAL_POSITION;
+
 import static org.junit.Assert.fail;
 import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.atLeast;
@@ -31,11 +33,14 @@
 import android.os.Binder;
 import android.os.IInterface;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.view.IRecentsAnimationRunner;
 import android.view.SurfaceControl;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.server.wm.SurfaceAnimator.OnAnimationFinishedCallback;
+
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/services/tests/servicestests/src/com/android/server/wm/RemoteAnimationControllerTest.java b/services/tests/servicestests/src/com/android/server/wm/RemoteAnimationControllerTest.java
index 95361f0..7d19baa 100644
--- a/services/tests/servicestests/src/com/android/server/wm/RemoteAnimationControllerTest.java
+++ b/services/tests/servicestests/src/com/android/server/wm/RemoteAnimationControllerTest.java
@@ -31,9 +31,6 @@
 import android.os.Binder;
 import android.os.IInterface;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.FlakyTest;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.view.IRemoteAnimationFinishedCallback;
 import android.view.IRemoteAnimationRunner;
 import android.view.RemoteAnimationAdapter;
@@ -41,6 +38,9 @@
 import android.view.SurfaceControl;
 import android.view.SurfaceControl.Transaction;
 
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.server.testutils.OffsettableClock;
 import com.android.server.testutils.TestHandler;
 import com.android.server.wm.SurfaceAnimator.OnAnimationFinishedCallback;
diff --git a/services/tests/servicestests/src/com/android/server/wm/RootWindowContainerTests.java b/services/tests/servicestests/src/com/android/server/wm/RootWindowContainerTests.java
index 204e26c..c1db6a6 100644
--- a/services/tests/servicestests/src/com/android/server/wm/RootWindowContainerTests.java
+++ b/services/tests/servicestests/src/com/android/server/wm/RootWindowContainerTests.java
@@ -1,16 +1,16 @@
 package com.android.server.wm;
 
-import org.junit.Test;
-import org.junit.runner.RunWith;
+import static org.junit.Assert.assertTrue;
 
 import android.content.res.Configuration;
 import android.graphics.Rect;
-
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 
-import static org.junit.Assert.assertTrue;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
 
 /**
  * Tests for the {@link RootWindowContainer} class.
diff --git a/services/tests/servicestests/src/com/android/server/wm/ScreenDecorWindowTests.java b/services/tests/servicestests/src/com/android/server/wm/ScreenDecorWindowTests.java
index a2ccee4..897a48d 100644
--- a/services/tests/servicestests/src/com/android/server/wm/ScreenDecorWindowTests.java
+++ b/services/tests/servicestests/src/com/android/server/wm/ScreenDecorWindowTests.java
@@ -32,6 +32,7 @@
 import static android.view.WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH;
 import static android.view.WindowManager.LayoutParams.PRIVATE_FLAG_IS_SCREEN_DECOR;
 import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION_OVERLAY;
+
 import static org.junit.Assert.assertEquals;
 
 import android.app.Activity;
@@ -46,9 +47,6 @@
 import android.media.ImageReader;
 import android.os.Handler;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.Pair;
 import android.view.Display;
 import android.view.DisplayInfo;
@@ -57,6 +55,10 @@
 import android.view.WindowManager;
 import android.widget.TextView;
 
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.After;
 import org.junit.Assert;
 import org.junit.Before;
diff --git a/services/tests/servicestests/src/com/android/server/wm/StackWindowControllerTests.java b/services/tests/servicestests/src/com/android/server/wm/StackWindowControllerTests.java
index ab0a2bd..9f2645c 100644
--- a/services/tests/servicestests/src/com/android/server/wm/StackWindowControllerTests.java
+++ b/services/tests/servicestests/src/com/android/server/wm/StackWindowControllerTests.java
@@ -16,20 +16,20 @@
 
 package com.android.server.wm;
 
-import android.graphics.Rect;
-import org.junit.Ignore;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-
-import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
-
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
 
+import android.graphics.Rect;
+import android.platform.test.annotations.Presubmit;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
 /**
  * Test class for {@link StackWindowController}.
  *
diff --git a/services/tests/servicestests/src/com/android/server/wm/SurfaceAnimationRunnerTest.java b/services/tests/servicestests/src/com/android/server/wm/SurfaceAnimationRunnerTest.java
index 79e9bb4..4551c36 100644
--- a/services/tests/servicestests/src/com/android/server/wm/SurfaceAnimationRunnerTest.java
+++ b/services/tests/servicestests/src/com/android/server/wm/SurfaceAnimationRunnerTest.java
@@ -16,7 +16,6 @@
 
 package com.android.server.wm;
 
-import static java.util.concurrent.TimeUnit.SECONDS;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
@@ -34,9 +33,6 @@
 import android.graphics.Point;
 import android.os.PowerManagerInternal;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.FlakyTest;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.view.Choreographer;
 import android.view.Choreographer.FrameCallback;
 import android.view.SurfaceControl;
@@ -44,6 +40,10 @@
 import android.view.animation.Animation;
 import android.view.animation.TranslateAnimation;
 
+import androidx.test.filters.FlakyTest;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.server.wm.LocalAnimationAdapter.AnimationSpec;
 
 import org.junit.Before;
@@ -54,6 +54,8 @@
 import org.mockito.junit.MockitoJUnit;
 import org.mockito.junit.MockitoRule;
 
+import static java.util.concurrent.TimeUnit.SECONDS;
+
 import java.util.concurrent.CountDownLatch;
 
 /**
diff --git a/services/tests/servicestests/src/com/android/server/wm/SurfaceAnimatorTest.java b/services/tests/servicestests/src/com/android/server/wm/SurfaceAnimatorTest.java
index 16b8458..7b5e8de 100644
--- a/services/tests/servicestests/src/com/android/server/wm/SurfaceAnimatorTest.java
+++ b/services/tests/servicestests/src/com/android/server/wm/SurfaceAnimatorTest.java
@@ -28,14 +28,15 @@
 import static org.mockito.Mockito.verifyZeroInteractions;
 
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.FlakyTest;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.view.SurfaceControl;
 import android.view.SurfaceControl.Builder;
 import android.view.SurfaceControl.Transaction;
 import android.view.SurfaceSession;
 
+import androidx.test.filters.FlakyTest;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.server.wm.SurfaceAnimator.Animatable;
 import com.android.server.wm.SurfaceAnimator.OnAnimationFinishedCallback;
 
@@ -46,8 +47,6 @@
 import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
 
-import java.util.ArrayList;
-
 /**
  * Test class for {@link SurfaceAnimatorTest}.
  *
diff --git a/services/tests/servicestests/src/com/android/server/wm/TaskPositionerTests.java b/services/tests/servicestests/src/com/android/server/wm/TaskPositionerTests.java
index 7bf7dd7..39bcdaf 100644
--- a/services/tests/servicestests/src/com/android/server/wm/TaskPositionerTests.java
+++ b/services/tests/servicestests/src/com/android/server/wm/TaskPositionerTests.java
@@ -16,26 +16,28 @@
 
 package com.android.server.wm;
 
-import org.junit.Before;
-import org.junit.Ignore;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-
-import android.graphics.Rect;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
-import android.util.DisplayMetrics;
-import android.util.Log;
-import android.view.Display;
-
 import static com.android.server.wm.TaskPositioner.MIN_ASPECT;
 import static com.android.server.wm.WindowManagerService.dipToPixel;
 import static com.android.server.wm.WindowState.MINIMUM_VISIBLE_HEIGHT_IN_DP;
 import static com.android.server.wm.WindowState.MINIMUM_VISIBLE_WIDTH_IN_DP;
+
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
 
+import android.graphics.Rect;
+import android.util.DisplayMetrics;
+import android.util.Log;
+import android.view.Display;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import org.junit.Before;
+import org.junit.Ignore;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
 /**
  * Tests for the {@link TaskPositioner} class.
  *
diff --git a/services/tests/servicestests/src/com/android/server/wm/TaskPositioningControllerTests.java b/services/tests/servicestests/src/com/android/server/wm/TaskPositioningControllerTests.java
index f3ed8b0..9af124a 100644
--- a/services/tests/servicestests/src/com/android/server/wm/TaskPositioningControllerTests.java
+++ b/services/tests/servicestests/src/com/android/server/wm/TaskPositioningControllerTests.java
@@ -17,6 +17,7 @@
 package com.android.server.wm;
 
 import static android.view.WindowManager.LayoutParams.TYPE_BASE_APPLICATION;
+
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
@@ -27,10 +28,12 @@
 import static org.mockito.Mockito.when;
 
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.FlakyTest;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.view.InputChannel;
+
+import androidx.test.filters.FlakyTest;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/services/tests/servicestests/src/com/android/server/wm/TaskSnapshotCacheTest.java b/services/tests/servicestests/src/com/android/server/wm/TaskSnapshotCacheTest.java
index 649de4a..c9d8004 100644
--- a/services/tests/servicestests/src/com/android/server/wm/TaskSnapshotCacheTest.java
+++ b/services/tests/servicestests/src/com/android/server/wm/TaskSnapshotCacheTest.java
@@ -17,12 +17,14 @@
 package com.android.server.wm;
 
 import static android.view.WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW;
+
 import static junit.framework.Assert.assertNotNull;
 import static junit.framework.Assert.assertNull;
 
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Before;
 import org.junit.Test;
diff --git a/services/tests/servicestests/src/com/android/server/wm/TaskSnapshotControllerTest.java b/services/tests/servicestests/src/com/android/server/wm/TaskSnapshotControllerTest.java
index 5650050..efce063 100644
--- a/services/tests/servicestests/src/com/android/server/wm/TaskSnapshotControllerTest.java
+++ b/services/tests/servicestests/src/com/android/server/wm/TaskSnapshotControllerTest.java
@@ -19,17 +19,19 @@
 import static android.view.WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW;
 import static android.view.WindowManager.LayoutParams.FLAG_SECURE;
 import static android.view.WindowManager.TRANSIT_UNSET;
+
 import static com.android.server.wm.TaskSnapshotController.*;
+
 import static junit.framework.Assert.assertEquals;
-import static junit.framework.Assert.assertFalse;
-import static junit.framework.Assert.assertTrue;
 
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.ArraySet;
 
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.google.android.collect.Sets;
+
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
diff --git a/services/tests/servicestests/src/com/android/server/wm/TaskSnapshotPersisterLoaderTest.java b/services/tests/servicestests/src/com/android/server/wm/TaskSnapshotPersisterLoaderTest.java
index 325d42a..600b2e5 100644
--- a/services/tests/servicestests/src/com/android/server/wm/TaskSnapshotPersisterLoaderTest.java
+++ b/services/tests/servicestests/src/com/android/server/wm/TaskSnapshotPersisterLoaderTest.java
@@ -18,23 +18,24 @@
 
 import static android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN;
 import static android.app.WindowConfiguration.WINDOWING_MODE_PINNED;
+
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
-import static org.junit.Assert.fail;
 
 import android.app.ActivityManager.TaskSnapshot;
 import android.content.res.Configuration;
 import android.graphics.Rect;
 import android.os.SystemClock;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.MediumTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.ArraySet;
-
 import android.view.View;
+
+import androidx.test.filters.MediumTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.server.wm.TaskSnapshotPersister.RemoveObsoleteFilesQueueItem;
 
 import org.junit.Test;
diff --git a/services/tests/servicestests/src/com/android/server/wm/TaskSnapshotPersisterTestBase.java b/services/tests/servicestests/src/com/android/server/wm/TaskSnapshotPersisterTestBase.java
index 8b86043..6f4f173 100644
--- a/services/tests/servicestests/src/com/android/server/wm/TaskSnapshotPersisterTestBase.java
+++ b/services/tests/servicestests/src/com/android/server/wm/TaskSnapshotPersisterTestBase.java
@@ -28,7 +28,8 @@
 import android.graphics.PixelFormat;
 import android.graphics.Rect;
 import android.os.UserManager;
-import android.support.test.InstrumentationRegistry;
+
+import androidx.test.InstrumentationRegistry;
 
 import org.junit.After;
 import org.junit.Before;
diff --git a/services/tests/servicestests/src/com/android/server/wm/TaskSnapshotSurfaceTest.java b/services/tests/servicestests/src/com/android/server/wm/TaskSnapshotSurfaceTest.java
index b19373e..6c08f42 100644
--- a/services/tests/servicestests/src/com/android/server/wm/TaskSnapshotSurfaceTest.java
+++ b/services/tests/servicestests/src/com/android/server/wm/TaskSnapshotSurfaceTest.java
@@ -19,6 +19,7 @@
 import static android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN;
 import static android.content.res.Configuration.ORIENTATION_PORTRAIT;
 import static android.view.WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS;
+
 import static org.junit.Assert.assertEquals;
 import static org.mockito.Matchers.any;
 import static org.mockito.Matchers.anyInt;
@@ -35,10 +36,11 @@
 import android.graphics.PixelFormat;
 import android.graphics.Rect;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.view.Surface;
 
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.server.wm.TaskSnapshotSurface.Window;
 
 import org.junit.Test;
diff --git a/services/tests/servicestests/src/com/android/server/wm/TaskStackContainersTests.java b/services/tests/servicestests/src/com/android/server/wm/TaskStackContainersTests.java
index ca1994f..9fa5ba4 100644
--- a/services/tests/servicestests/src/com/android/server/wm/TaskStackContainersTests.java
+++ b/services/tests/servicestests/src/com/android/server/wm/TaskStackContainersTests.java
@@ -18,20 +18,20 @@
 
 import static android.app.WindowConfiguration.ACTIVITY_TYPE_STANDARD;
 import static android.app.WindowConfiguration.WINDOWING_MODE_PINNED;
+
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
 
+import android.platform.test.annotations.Presubmit;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import org.junit.After;
+import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.junit.Before;
-import org.junit.After;
-
-import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 
 /**
  * Tests for the {@link DisplayContent.TaskStackContainers} container in {@link DisplayContent}.
diff --git a/services/tests/servicestests/src/com/android/server/wm/TaskStackTests.java b/services/tests/servicestests/src/com/android/server/wm/TaskStackTests.java
index eaf71f0..53a1185 100644
--- a/services/tests/servicestests/src/com/android/server/wm/TaskStackTests.java
+++ b/services/tests/servicestests/src/com/android/server/wm/TaskStackTests.java
@@ -16,21 +16,19 @@
 
 package com.android.server.wm;
 
-import org.junit.Test;
-import org.junit.runner.RunWith;
-
-import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
-
 import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE;
 import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_PORTRAIT;
 
 import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
-import static org.junit.Assert.assertTrue;
+
+import android.platform.test.annotations.Presubmit;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
 
 /**
  * Tests for the {@link TaskStack} class.
diff --git a/services/tests/servicestests/src/com/android/server/wm/TaskWindowContainerControllerTests.java b/services/tests/servicestests/src/com/android/server/wm/TaskWindowContainerControllerTests.java
index 1dd9365..edd7664 100644
--- a/services/tests/servicestests/src/com/android/server/wm/TaskWindowContainerControllerTests.java
+++ b/services/tests/servicestests/src/com/android/server/wm/TaskWindowContainerControllerTests.java
@@ -16,17 +16,19 @@
 
 package com.android.server.wm;
 
-import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
 
+import android.platform.test.annotations.Presubmit;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
 /**
  * Test class for {@link TaskWindowContainerController}.
  *
diff --git a/services/tests/servicestests/src/com/android/server/wm/UnknownAppVisibilityControllerTest.java b/services/tests/servicestests/src/com/android/server/wm/UnknownAppVisibilityControllerTest.java
index a5c47de..3ac97027 100644
--- a/services/tests/servicestests/src/com/android/server/wm/UnknownAppVisibilityControllerTest.java
+++ b/services/tests/servicestests/src/com/android/server/wm/UnknownAppVisibilityControllerTest.java
@@ -19,8 +19,9 @@
 import static junit.framework.Assert.assertTrue;
 
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Before;
 import org.junit.Test;
diff --git a/services/tests/servicestests/src/com/android/server/wm/WallpaperControllerTests.java b/services/tests/servicestests/src/com/android/server/wm/WallpaperControllerTests.java
index 71ead20..882e789 100644
--- a/services/tests/servicestests/src/com/android/server/wm/WallpaperControllerTests.java
+++ b/services/tests/servicestests/src/com/android/server/wm/WallpaperControllerTests.java
@@ -11,8 +11,9 @@
 import android.graphics.Bitmap;
 import android.os.IBinder;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/services/tests/servicestests/src/com/android/server/wm/WindowAnimationSpecTest.java b/services/tests/servicestests/src/com/android/server/wm/WindowAnimationSpecTest.java
index ca520ed..d4c68a8 100644
--- a/services/tests/servicestests/src/com/android/server/wm/WindowAnimationSpecTest.java
+++ b/services/tests/servicestests/src/com/android/server/wm/WindowAnimationSpecTest.java
@@ -28,12 +28,13 @@
 import android.graphics.Point;
 import android.graphics.Rect;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.view.SurfaceControl;
 import android.view.animation.Animation;
 import android.view.animation.ClipRectAnimation;
 
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
diff --git a/services/tests/servicestests/src/com/android/server/wm/WindowConfigurationTests.java b/services/tests/servicestests/src/com/android/server/wm/WindowConfigurationTests.java
index 513c1ec..ec5424a 100644
--- a/services/tests/servicestests/src/com/android/server/wm/WindowConfigurationTests.java
+++ b/services/tests/servicestests/src/com/android/server/wm/WindowConfigurationTests.java
@@ -16,17 +16,6 @@
 
 package com.android.server.wm;
 
-import org.junit.Test;
-
-import android.app.WindowConfiguration;
-import android.content.res.Configuration;
-import android.graphics.Rect;
-import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.FlakyTest;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
-import android.view.DisplayInfo;
-
 import static android.app.WindowConfiguration.ACTIVITY_TYPE_HOME;
 import static android.app.WindowConfiguration.ACTIVITY_TYPE_STANDARD;
 import static android.app.WindowConfiguration.WINDOWING_MODE_FREEFORM;
@@ -34,9 +23,21 @@
 import static android.app.WindowConfiguration.WINDOW_CONFIG_APP_BOUNDS;
 import static android.app.WindowConfiguration.WINDOW_CONFIG_WINDOWING_MODE;
 import static android.content.pm.ActivityInfo.CONFIG_WINDOW_CONFIGURATION;
+
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotEquals;
-import static org.junit.Assert.assertTrue;
+
+import android.app.WindowConfiguration;
+import android.content.res.Configuration;
+import android.graphics.Rect;
+import android.platform.test.annotations.Presubmit;
+import android.view.DisplayInfo;
+
+import androidx.test.filters.FlakyTest;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import org.junit.Test;
 
 /**
  * Test class to for {@link android.app.WindowConfiguration}.
diff --git a/services/tests/servicestests/src/com/android/server/wm/WindowContainerControllerTests.java b/services/tests/servicestests/src/com/android/server/wm/WindowContainerControllerTests.java
index 502cb6e..6b1feb8 100644
--- a/services/tests/servicestests/src/com/android/server/wm/WindowContainerControllerTests.java
+++ b/services/tests/servicestests/src/com/android/server/wm/WindowContainerControllerTests.java
@@ -16,21 +16,22 @@
 
 package com.android.server.wm;
 
-import android.app.WindowConfiguration;
-import android.content.res.Configuration;
-import android.support.test.filters.FlakyTest;
-import org.junit.Test;
-
-import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
-
 import static android.app.WindowConfiguration.WINDOWING_MODE_FREEFORM;
 import static android.content.res.Configuration.EMPTY;
+
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
 
+import android.content.res.Configuration;
+import android.platform.test.annotations.Presubmit;
+
+import androidx.test.filters.FlakyTest;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import org.junit.Test;
+
 /**
  * Test class for {@link WindowContainerController}.
  *
diff --git a/services/tests/servicestests/src/com/android/server/wm/WindowContainerTests.java b/services/tests/servicestests/src/com/android/server/wm/WindowContainerTests.java
index 6c7830e..ea8c918 100644
--- a/services/tests/servicestests/src/com/android/server/wm/WindowContainerTests.java
+++ b/services/tests/servicestests/src/com/android/server/wm/WindowContainerTests.java
@@ -16,20 +16,6 @@
 
 package com.android.server.wm;
 
-import android.support.test.filters.FlakyTest;
-import android.view.SurfaceControl;
-import android.view.SurfaceSession;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-
-import android.content.res.Configuration;
-import android.graphics.Rect;
-import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
-
-import java.util.Comparator;
-
 import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_BEHIND;
 import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE;
 import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_PORTRAIT;
@@ -44,7 +30,6 @@
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
-
 import static org.mockito.Mockito.any;
 import static org.mockito.Mockito.anyFloat;
 import static org.mockito.Mockito.eq;
@@ -53,6 +38,21 @@
 import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
 
+import android.content.res.Configuration;
+import android.graphics.Rect;
+import android.platform.test.annotations.Presubmit;
+import android.view.SurfaceControl;
+import android.view.SurfaceSession;
+
+import androidx.test.filters.FlakyTest;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import java.util.Comparator;
+
 /**
  * Test class for {@link WindowContainer}.
  *
diff --git a/services/tests/servicestests/src/com/android/server/wm/WindowContainerTraversalTests.java b/services/tests/servicestests/src/com/android/server/wm/WindowContainerTraversalTests.java
index e076399..ffc8622 100644
--- a/services/tests/servicestests/src/com/android/server/wm/WindowContainerTraversalTests.java
+++ b/services/tests/servicestests/src/com/android/server/wm/WindowContainerTraversalTests.java
@@ -20,19 +20,19 @@
 import static android.app.WindowConfiguration.WINDOWING_MODE_SPLIT_SCREEN_PRIMARY;
 import static android.app.WindowConfiguration.WINDOWING_MODE_SPLIT_SCREEN_SECONDARY;
 import static android.view.WindowManager.LayoutParams.TYPE_BASE_APPLICATION;
+
+import static org.mockito.Matchers.eq;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.verify;
-import static org.mockito.Matchers.eq;
 
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
-import org.mockito.Mock;
-
 import java.util.function.Consumer;
 
 /**
diff --git a/services/tests/servicestests/src/com/android/server/wm/WindowFrameTests.java b/services/tests/servicestests/src/com/android/server/wm/WindowFrameTests.java
index 5a56332..7b02c6b 100644
--- a/services/tests/servicestests/src/com/android/server/wm/WindowFrameTests.java
+++ b/services/tests/servicestests/src/com/android/server/wm/WindowFrameTests.java
@@ -16,29 +16,31 @@
 
 package com.android.server.wm;
 
-import org.junit.Before;
-import org.junit.Test;
-import org.junit.runner.RunWith;
+import static android.view.DisplayCutout.fromBoundingRect;
+import static android.view.WindowManager.LayoutParams.FILL_PARENT;
+import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
 
 import android.app.ActivityManager.TaskDescription;
 import android.content.res.Configuration;
 import android.graphics.Rect;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.view.DisplayInfo;
 import android.view.Gravity;
 import android.view.IWindow;
 import android.view.WindowManager;
 
-import static android.view.DisplayCutout.fromBoundingRect;
-import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION;
-import static android.view.WindowManager.LayoutParams.FILL_PARENT;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertTrue;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.server.wm.utils.WmDisplayCutout;
 
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
 /**
  * Tests for the {@link WindowState#computeFrameLw} method and other window frame machinery.
  *
diff --git a/services/tests/servicestests/src/com/android/server/wm/WindowManagerServiceRule.java b/services/tests/servicestests/src/com/android/server/wm/WindowManagerServiceRule.java
index d91079e..8321c8b 100644
--- a/services/tests/servicestests/src/com/android/server/wm/WindowManagerServiceRule.java
+++ b/services/tests/servicestests/src/com/android/server/wm/WindowManagerServiceRule.java
@@ -33,9 +33,10 @@
 import android.hardware.display.DisplayManagerInternal;
 import android.os.PowerManagerInternal;
 import android.os.PowerSaveState;
-import android.support.test.InstrumentationRegistry;
 import android.view.InputChannel;
 
+import androidx.test.InstrumentationRegistry;
+
 import com.android.server.LocalServices;
 import com.android.server.input.InputManagerService;
 import com.android.server.policy.WindowManagerPolicy;
diff --git a/services/tests/servicestests/src/com/android/server/wm/WindowManagerServiceRuleTest.java b/services/tests/servicestests/src/com/android/server/wm/WindowManagerServiceRuleTest.java
index 6cf6d7b..570a853 100644
--- a/services/tests/servicestests/src/com/android/server/wm/WindowManagerServiceRuleTest.java
+++ b/services/tests/servicestests/src/com/android/server/wm/WindowManagerServiceRuleTest.java
@@ -20,8 +20,9 @@
 import static org.junit.Assert.assertThat;
 
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Rule;
 import org.junit.Test;
diff --git a/services/tests/servicestests/src/com/android/server/wm/WindowStateTests.java b/services/tests/servicestests/src/com/android/server/wm/WindowStateTests.java
index 9f113ad..108baab 100644
--- a/services/tests/servicestests/src/com/android/server/wm/WindowStateTests.java
+++ b/services/tests/servicestests/src/com/android/server/wm/WindowStateTests.java
@@ -16,19 +16,6 @@
 
 package com.android.server.wm;
 
-import android.graphics.Rect;
-import android.view.SurfaceControl;
-import android.view.WindowManager;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-
-import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.FlakyTest;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
-
-import java.util.LinkedList;
-
 import static android.app.WindowConfiguration.ACTIVITY_TYPE_STANDARD;
 import static android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN;
 import static android.hardware.camera2.params.OutputConfiguration.ROTATION_90;
@@ -52,7 +39,6 @@
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertThat;
 import static org.junit.Assert.assertTrue;
-import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.anyLong;
 import static org.mockito.ArgumentMatchers.anyString;
 import static org.mockito.Mockito.mock;
@@ -61,6 +47,20 @@
 import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.verify;
 
+import android.graphics.Rect;
+import android.platform.test.annotations.Presubmit;
+import android.view.SurfaceControl;
+import android.view.WindowManager;
+
+import androidx.test.filters.FlakyTest;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import java.util.LinkedList;
+
 /**
  * Tests for the {@link WindowState} class.
  *
diff --git a/services/tests/servicestests/src/com/android/server/wm/WindowSurfacePlacerTest.java b/services/tests/servicestests/src/com/android/server/wm/WindowSurfacePlacerTest.java
index e173b7d..057f047 100644
--- a/services/tests/servicestests/src/com/android/server/wm/WindowSurfacePlacerTest.java
+++ b/services/tests/servicestests/src/com/android/server/wm/WindowSurfacePlacerTest.java
@@ -20,13 +20,15 @@
 import static android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN;
 import static android.view.WindowManager.TRANSIT_TASK_CLOSE;
 import static android.view.WindowManager.TRANSIT_TASK_OPEN;
+
 import static junit.framework.Assert.assertEquals;
 
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.view.WindowManager;
 
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/services/tests/servicestests/src/com/android/server/wm/WindowTestsBase.java b/services/tests/servicestests/src/com/android/server/wm/WindowTestsBase.java
index 473a287..6d1c45b 100644
--- a/services/tests/servicestests/src/com/android/server/wm/WindowTestsBase.java
+++ b/services/tests/servicestests/src/com/android/server/wm/WindowTestsBase.java
@@ -16,30 +16,12 @@
 
 package com.android.server.wm;
 
+import static android.app.AppOpsManager.OP_NONE;
 import static android.app.WindowConfiguration.ACTIVITY_TYPE_STANDARD;
 import static android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN;
 import static android.view.Display.DEFAULT_DISPLAY;
-import static android.view.View.VISIBLE;
-
-import android.content.res.Configuration;
-import android.graphics.Rect;
-import android.hardware.display.DisplayManagerGlobal;
-import android.testing.DexmakerShareClassLoaderRule;
-import android.util.Log;
-import android.view.Display;
-import android.view.DisplayInfo;
-import org.junit.Assert;
-import org.junit.After;
-import org.junit.Before;
-import org.junit.Rule;
-
-import android.content.Context;
-import android.support.test.InstrumentationRegistry;
-import android.view.IWindow;
-import android.view.WindowManager;
-
-import static android.app.AppOpsManager.OP_NONE;
 import static android.view.DisplayAdjustments.DEFAULT_DISPLAY_ADJUSTMENTS;
+import static android.view.View.VISIBLE;
 import static android.view.WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW;
 import static android.view.WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE;
 import static android.view.WindowManager.LayoutParams.LAST_APPLICATION_WINDOW;
@@ -52,10 +34,29 @@
 import static android.view.WindowManager.LayoutParams.TYPE_NAVIGATION_BAR;
 import static android.view.WindowManager.LayoutParams.TYPE_STATUS_BAR;
 import static android.view.WindowManager.LayoutParams.TYPE_WALLPAPER;
+
 import static org.mockito.Mockito.mock;
 
+import android.content.Context;
+import android.content.res.Configuration;
+import android.graphics.Rect;
+import android.hardware.display.DisplayManagerGlobal;
+import android.testing.DexmakerShareClassLoaderRule;
+import android.util.Log;
+import android.view.Display;
+import android.view.DisplayInfo;
+import android.view.IWindow;
+import android.view.WindowManager;
+
+import androidx.test.InstrumentationRegistry;
+
 import com.android.server.AttributeCache;
 
+import org.junit.After;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Rule;
+
 import java.util.HashSet;
 import java.util.LinkedList;
 
diff --git a/services/tests/servicestests/src/com/android/server/wm/WindowTokenTests.java b/services/tests/servicestests/src/com/android/server/wm/WindowTokenTests.java
index e3b7174..3732486 100644
--- a/services/tests/servicestests/src/com/android/server/wm/WindowTokenTests.java
+++ b/services/tests/servicestests/src/com/android/server/wm/WindowTokenTests.java
@@ -16,23 +16,24 @@
 
 package com.android.server.wm;
 
-import org.junit.Test;
-import org.junit.runner.RunWith;
-
-import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.FlakyTest;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
-
 import static android.view.WindowManager.LayoutParams.FIRST_SUB_WINDOW;
 import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION;
 import static android.view.WindowManager.LayoutParams.TYPE_TOAST;
+
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
-import static org.mockito.Mockito.mock;
+
+import android.platform.test.annotations.Presubmit;
+
+import androidx.test.filters.FlakyTest;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
 
 /**
  * Tests for the {@link WindowToken} class.
diff --git a/services/tests/servicestests/src/com/android/server/wm/WindowTracingTest.java b/services/tests/servicestests/src/com/android/server/wm/WindowTracingTest.java
index 5085254..bbc6550 100644
--- a/services/tests/servicestests/src/com/android/server/wm/WindowTracingTest.java
+++ b/services/tests/servicestests/src/com/android/server/wm/WindowTracingTest.java
@@ -29,12 +29,13 @@
 
 import android.content.Context;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.filters.FlakyTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.proto.ProtoOutputStream;
 
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.FlakyTest;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.internal.util.Preconditions;
 import com.android.server.wm.WindowManagerTraceProto;
 
diff --git a/services/tests/servicestests/src/com/android/server/wm/ZOrderingTests.java b/services/tests/servicestests/src/com/android/server/wm/ZOrderingTests.java
index 547be55..8f9fb1b 100644
--- a/services/tests/servicestests/src/com/android/server/wm/ZOrderingTests.java
+++ b/services/tests/servicestests/src/com/android/server/wm/ZOrderingTests.java
@@ -27,19 +27,19 @@
 import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION_MEDIA;
 import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION_MEDIA_OVERLAY;
 import static android.view.WindowManager.LayoutParams.TYPE_BASE_APPLICATION;
-import static android.view.WindowManager.LayoutParams.TYPE_DOCK_DIVIDER;
 import static android.view.WindowManager.LayoutParams.TYPE_NAVIGATION_BAR_PANEL;
 import static android.view.WindowManager.LayoutParams.TYPE_STATUS_BAR_PANEL;
 import static android.view.WindowManager.LayoutParams.TYPE_STATUS_BAR_SUB_PANEL;
 import static android.view.WindowManager.LayoutParams.TYPE_SYSTEM_OVERLAY;
 
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.filters.FlakyTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.view.SurfaceControl;
 import android.view.SurfaceSession;
 
+import androidx.test.filters.FlakyTest;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.After;
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/services/tests/servicestests/src/com/android/server/wm/utils/InsetUtilsTest.java b/services/tests/servicestests/src/com/android/server/wm/utils/InsetUtilsTest.java
index 08bcc3d..3364aef 100644
--- a/services/tests/servicestests/src/com/android/server/wm/utils/InsetUtilsTest.java
+++ b/services/tests/servicestests/src/com/android/server/wm/utils/InsetUtilsTest.java
@@ -25,9 +25,9 @@
 
 import android.graphics.Rect;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
-import android.util.Pair;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/services/tests/servicestests/src/com/android/server/wm/utils/RotationCacheTest.java b/services/tests/servicestests/src/com/android/server/wm/utils/RotationCacheTest.java
index 6bbc7eb..5d08920 100644
--- a/services/tests/servicestests/src/com/android/server/wm/utils/RotationCacheTest.java
+++ b/services/tests/servicestests/src/com/android/server/wm/utils/RotationCacheTest.java
@@ -24,14 +24,12 @@
 import static org.junit.Assert.assertThat;
 
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.FlakyTest;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.Pair;
 
-import com.android.server.wm.utils.RotationCache.RotationDependentComputation;
+import androidx.test.filters.FlakyTest;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
-import org.hamcrest.Matchers;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/services/tests/servicestests/src/com/android/server/wm/utils/WmDisplayCutoutTest.java b/services/tests/servicestests/src/com/android/server/wm/utils/WmDisplayCutoutTest.java
index f7addf6..9ce3dca 100644
--- a/services/tests/servicestests/src/com/android/server/wm/utils/WmDisplayCutoutTest.java
+++ b/services/tests/servicestests/src/com/android/server/wm/utils/WmDisplayCutoutTest.java
@@ -25,11 +25,12 @@
 
 import android.graphics.Rect;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.Size;
 import android.view.DisplayCutout;
 
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
diff --git a/services/tests/servicestests/test-apps/SuspendTestApp/Android.bp b/services/tests/servicestests/test-apps/SuspendTestApp/Android.bp
index 7bff1ae..ca8d47b 100644
--- a/services/tests/servicestests/test-apps/SuspendTestApp/Android.bp
+++ b/services/tests/servicestests/test-apps/SuspendTestApp/Android.bp
@@ -18,7 +18,7 @@
     test_suites: ["device-tests"],
 
     static_libs: [
-        "android-support-test",
+        "androidx.test.rules",
         "ub-uiautomator",
     ],
 
diff --git a/services/tests/uiservicestests/Android.bp b/services/tests/uiservicestests/Android.bp
index b0222b8..23f5572 100644
--- a/services/tests/uiservicestests/Android.bp
+++ b/services/tests/uiservicestests/Android.bp
@@ -17,7 +17,7 @@
         "services.net",
         "services.usage",
         "guava",
-        "android-support-test",
+        "androidx.test.rules", "hamcrest-library",
         "mockito-target-inline-minus-junit4",
         "platform-test-annotations",
         "testables",
diff --git a/services/tests/uiservicestests/src/com/android/server/UiServiceTestCase.java b/services/tests/uiservicestests/src/com/android/server/UiServiceTestCase.java
index eec852b..4fca175 100644
--- a/services/tests/uiservicestests/src/com/android/server/UiServiceTestCase.java
+++ b/services/tests/uiservicestests/src/com/android/server/UiServiceTestCase.java
@@ -18,9 +18,10 @@
 
 import android.content.pm.PackageManagerInternal;
 import android.os.Build;
-import android.support.test.InstrumentationRegistry;
 import android.testing.TestableContext;
 
+import androidx.test.InstrumentationRegistry;
+
 import org.junit.Before;
 import org.junit.Rule;
 import org.mockito.Mock;
diff --git a/services/tests/uiservicestests/src/com/android/server/notification/AlertRateLimiterTest.java b/services/tests/uiservicestests/src/com/android/server/notification/AlertRateLimiterTest.java
index d4c41e0..dc7f118 100644
--- a/services/tests/uiservicestests/src/com/android/server/notification/AlertRateLimiterTest.java
+++ b/services/tests/uiservicestests/src/com/android/server/notification/AlertRateLimiterTest.java
@@ -20,9 +20,10 @@
 import static junit.framework.Assert.assertFalse;
 import static junit.framework.Assert.assertTrue;
 
-import android.support.test.runner.AndroidJUnit4;
 import android.test.suitebuilder.annotation.SmallTest;
 
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.server.UiServiceTestCase;
 
 import org.junit.Before;
diff --git a/services/tests/uiservicestests/src/com/android/server/notification/BadgeExtractorTest.java b/services/tests/uiservicestests/src/com/android/server/notification/BadgeExtractorTest.java
index cfc7430..e1f3913 100644
--- a/services/tests/uiservicestests/src/com/android/server/notification/BadgeExtractorTest.java
+++ b/services/tests/uiservicestests/src/com/android/server/notification/BadgeExtractorTest.java
@@ -15,26 +15,26 @@
  */
 package com.android.server.notification;
 
-import static junit.framework.Assert.assertFalse;
-import static junit.framework.Assert.assertTrue;
-
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.when;
-
 import static android.app.NotificationManager.IMPORTANCE_HIGH;
 import static android.app.NotificationManager.IMPORTANCE_UNSPECIFIED;
 import static android.app.NotificationManager.Policy.SUPPRESSED_EFFECT_BADGE;
 import static android.app.NotificationManager.Policy.SUPPRESSED_EFFECT_LIGHTS;
 
+import static junit.framework.Assert.assertFalse;
+import static junit.framework.Assert.assertTrue;
+
+import static org.mockito.Mockito.when;
+
 import android.app.ActivityManager;
 import android.app.Notification;
 import android.app.Notification.Builder;
 import android.app.NotificationChannel;
 import android.os.UserHandle;
 import android.service.notification.StatusBarNotification;
-import android.support.test.runner.AndroidJUnit4;
 import android.test.suitebuilder.annotation.SmallTest;
 
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.server.UiServiceTestCase;
 
 import org.junit.Before;
diff --git a/services/tests/uiservicestests/src/com/android/server/notification/BuzzBeepBlinkTest.java b/services/tests/uiservicestests/src/com/android/server/notification/BuzzBeepBlinkTest.java
index 99d2b87..7b2684f 100644
--- a/services/tests/uiservicestests/src/com/android/server/notification/BuzzBeepBlinkTest.java
+++ b/services/tests/uiservicestests/src/com/android/server/notification/BuzzBeepBlinkTest.java
@@ -59,13 +59,14 @@
 import android.os.Vibrator;
 import android.provider.Settings;
 import android.service.notification.StatusBarNotification;
-import android.support.test.runner.AndroidJUnit4;
 import android.test.suitebuilder.annotation.SmallTest;
 import android.view.accessibility.AccessibilityEvent;
 import android.view.accessibility.AccessibilityManager;
 import android.view.accessibility.IAccessibilityManager;
 import android.view.accessibility.IAccessibilityManagerClient;
 
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.internal.util.IntPair;
 import com.android.server.UiServiceTestCase;
 import com.android.server.lights.Light;
diff --git a/services/tests/uiservicestests/src/com/android/server/notification/GlobalSortKeyComparatorTest.java b/services/tests/uiservicestests/src/com/android/server/notification/GlobalSortKeyComparatorTest.java
index 97f2104..5041779 100644
--- a/services/tests/uiservicestests/src/com/android/server/notification/GlobalSortKeyComparatorTest.java
+++ b/services/tests/uiservicestests/src/com/android/server/notification/GlobalSortKeyComparatorTest.java
@@ -16,18 +16,16 @@
 package com.android.server.notification;
 
 import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertTrue;
-import static org.mockito.Matchers.eq;
 
 import android.app.Notification;
 import android.app.NotificationChannel;
 import android.app.NotificationManager;
 import android.os.UserHandle;
 import android.service.notification.StatusBarNotification;
-import android.support.test.runner.AndroidJUnit4;
 import android.test.suitebuilder.annotation.SmallTest;
 
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.server.UiServiceTestCase;
 
 import org.junit.Test;
diff --git a/services/tests/uiservicestests/src/com/android/server/notification/GroupHelperTest.java b/services/tests/uiservicestests/src/com/android/server/notification/GroupHelperTest.java
index 8d4c5b1..8c08718 100644
--- a/services/tests/uiservicestests/src/com/android/server/notification/GroupHelperTest.java
+++ b/services/tests/uiservicestests/src/com/android/server/notification/GroupHelperTest.java
@@ -25,6 +25,15 @@
 import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
 
+import android.app.Notification;
+import android.os.UserHandle;
+import android.service.notification.StatusBarNotification;
+import android.test.suitebuilder.annotation.SmallTest;
+
+import androidx.test.runner.AndroidJUnit4;
+
+import com.android.server.UiServiceTestCase;
+
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -32,14 +41,6 @@
 import org.mockito.Mockito;
 import org.mockito.MockitoAnnotations;
 
-import android.app.Notification;
-import android.os.UserHandle;
-import android.service.notification.StatusBarNotification;
-import android.support.test.runner.AndroidJUnit4;
-import android.test.suitebuilder.annotation.SmallTest;
-
-import com.android.server.UiServiceTestCase;
-
 import java.util.ArrayList;
 import java.util.LinkedHashSet;
 import java.util.List;
diff --git a/services/tests/uiservicestests/src/com/android/server/notification/ImportanceExtractorTest.java b/services/tests/uiservicestests/src/com/android/server/notification/ImportanceExtractorTest.java
index 73d5961..fa7dff0 100644
--- a/services/tests/uiservicestests/src/com/android/server/notification/ImportanceExtractorTest.java
+++ b/services/tests/uiservicestests/src/com/android/server/notification/ImportanceExtractorTest.java
@@ -15,31 +15,30 @@
  */
 package com.android.server.notification;
 
-import org.junit.Before;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-
-import android.app.ActivityManager;
-import android.app.Notification;
-import android.app.Notification.Builder;
-import android.app.NotificationManager;
-import android.app.NotificationChannel;
-import android.os.UserHandle;
-import android.service.notification.StatusBarNotification;
-import android.support.test.runner.AndroidJUnit4;
-import android.test.suitebuilder.annotation.SmallTest;
-
-import org.mockito.Mock;
-import org.mockito.MockitoAnnotations;
-
+import static org.junit.Assert.assertEquals;
 import static org.mockito.Matchers.anyInt;
 import static org.mockito.Matchers.anyString;
 import static org.mockito.Mockito.when;
 
-import static org.junit.Assert.assertEquals;
+import android.app.ActivityManager;
+import android.app.Notification;
+import android.app.Notification.Builder;
+import android.app.NotificationChannel;
+import android.app.NotificationManager;
+import android.os.UserHandle;
+import android.service.notification.StatusBarNotification;
+import android.test.suitebuilder.annotation.SmallTest;
+
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.server.UiServiceTestCase;
 
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
 @SmallTest
 @RunWith(AndroidJUnit4.class)
 public class ImportanceExtractorTest extends UiServiceTestCase {
diff --git a/services/tests/uiservicestests/src/com/android/server/notification/NotificationChannelTest.java b/services/tests/uiservicestests/src/com/android/server/notification/NotificationChannelTest.java
index 2241047..ce5dfba 100644
--- a/services/tests/uiservicestests/src/com/android/server/notification/NotificationChannelTest.java
+++ b/services/tests/uiservicestests/src/com/android/server/notification/NotificationChannelTest.java
@@ -22,9 +22,10 @@
 
 import android.app.NotificationChannel;
 import android.os.Parcel;
-import android.support.test.runner.AndroidJUnit4;
 import android.test.suitebuilder.annotation.SmallTest;
 
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.internal.util.FastXmlSerializer;
 import com.android.server.UiServiceTestCase;
 
diff --git a/services/tests/uiservicestests/src/com/android/server/notification/NotificationComparatorTest.java b/services/tests/uiservicestests/src/com/android/server/notification/NotificationComparatorTest.java
index 7ee0501..a3aeebf 100644
--- a/services/tests/uiservicestests/src/com/android/server/notification/NotificationComparatorTest.java
+++ b/services/tests/uiservicestests/src/com/android/server/notification/NotificationComparatorTest.java
@@ -35,9 +35,10 @@
 import android.provider.Settings;
 import android.service.notification.StatusBarNotification;
 import android.telecom.TelecomManager;
-import android.support.test.runner.AndroidJUnit4;
 import android.test.suitebuilder.annotation.SmallTest;
 
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.server.UiServiceTestCase;
 
 import org.junit.Before;
diff --git a/services/tests/uiservicestests/src/com/android/server/notification/NotificationListenerServiceTest.java b/services/tests/uiservicestests/src/com/android/server/notification/NotificationListenerServiceTest.java
index ef9ba78..9314969 100644
--- a/services/tests/uiservicestests/src/com/android/server/notification/NotificationListenerServiceTest.java
+++ b/services/tests/uiservicestests/src/com/android/server/notification/NotificationListenerServiceTest.java
@@ -40,10 +40,10 @@
 import android.service.notification.NotificationListenerService.Ranking;
 import android.service.notification.NotificationRankingUpdate;
 import android.service.notification.SnoozeCriterion;
-import android.service.notification.StatusBarNotification;
-import android.support.test.runner.AndroidJUnit4;
 import android.test.suitebuilder.annotation.SmallTest;
 
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.server.UiServiceTestCase;
 
 import org.junit.Test;
diff --git a/services/tests/uiservicestests/src/com/android/server/notification/NotificationRecordTest.java b/services/tests/uiservicestests/src/com/android/server/notification/NotificationRecordTest.java
index e286991..70e5fd1 100644
--- a/services/tests/uiservicestests/src/com/android/server/notification/NotificationRecordTest.java
+++ b/services/tests/uiservicestests/src/com/android/server/notification/NotificationRecordTest.java
@@ -34,8 +34,6 @@
 import static org.mockito.ArgumentMatchers.anyInt;
 import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.times;
-import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
 import android.app.ActivityManager;
@@ -57,9 +55,9 @@
 import android.provider.Settings;
 import android.service.notification.Adjustment;
 import android.service.notification.StatusBarNotification;
-import android.support.test.runner.AndroidJUnit4;
 import android.test.suitebuilder.annotation.SmallTest;
-import android.util.Slog;
+
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.server.UiServiceTestCase;
diff --git a/services/tests/uiservicestests/src/com/android/server/notification/NotificationStatsTest.java b/services/tests/uiservicestests/src/com/android/server/notification/NotificationStatsTest.java
index 0a630f4..b5d8376 100644
--- a/services/tests/uiservicestests/src/com/android/server/notification/NotificationStatsTest.java
+++ b/services/tests/uiservicestests/src/com/android/server/notification/NotificationStatsTest.java
@@ -23,9 +23,10 @@
 
 import android.os.Parcel;
 import android.service.notification.NotificationStats;
-import android.support.test.runner.AndroidJUnit4;
 import android.test.suitebuilder.annotation.SmallTest;
 
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.server.UiServiceTestCase;
 
 import org.junit.Test;
diff --git a/services/tests/uiservicestests/src/com/android/server/notification/NotificationTest.java b/services/tests/uiservicestests/src/com/android/server/notification/NotificationTest.java
index 9db823c..901b948 100644
--- a/services/tests/uiservicestests/src/com/android/server/notification/NotificationTest.java
+++ b/services/tests/uiservicestests/src/com/android/server/notification/NotificationTest.java
@@ -22,20 +22,18 @@
 
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
+import static org.mockito.Matchers.anyInt;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.when;
-import static org.mockito.Matchers.any;
-import static org.mockito.Matchers.anyInt;
 
 import android.app.ActivityManager;
 import android.app.Notification;
-import android.app.Person;
 import android.app.PendingIntent;
+import android.app.Person;
 import android.app.RemoteInput;
 import android.content.Context;
 import android.content.pm.ApplicationInfo;
-import android.content.pm.PackageManager;
 import android.content.res.Resources;
 import android.graphics.Bitmap;
 import android.graphics.Color;
@@ -43,13 +41,14 @@
 import android.graphics.drawable.Icon;
 import android.net.Uri;
 import android.os.Build;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.text.SpannableStringBuilder;
 import android.text.Spanned;
 import android.text.style.StyleSpan;
 import android.widget.RemoteViews;
 
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.server.UiServiceTestCase;
 
 import org.junit.Before;
diff --git a/services/tests/uiservicestests/src/com/android/server/notification/NotifyingAppTest.java b/services/tests/uiservicestests/src/com/android/server/notification/NotifyingAppTest.java
index fbb8c33..25e10d0 100644
--- a/services/tests/uiservicestests/src/com/android/server/notification/NotifyingAppTest.java
+++ b/services/tests/uiservicestests/src/com/android/server/notification/NotifyingAppTest.java
@@ -20,9 +20,10 @@
 
 import android.os.Parcel;
 import android.service.notification.NotifyingApp;
-import android.support.test.runner.AndroidJUnit4;
 import android.test.suitebuilder.annotation.SmallTest;
 
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.server.UiServiceTestCase;
 
 import org.junit.Test;
diff --git a/services/tests/uiservicestests/src/com/android/server/notification/RankingHelperTest.java b/services/tests/uiservicestests/src/com/android/server/notification/RankingHelperTest.java
index a9e713e..63283ad 100644
--- a/services/tests/uiservicestests/src/com/android/server/notification/RankingHelperTest.java
+++ b/services/tests/uiservicestests/src/com/android/server/notification/RankingHelperTest.java
@@ -33,7 +33,6 @@
 import static org.mockito.Matchers.anyInt;
 import static org.mockito.Matchers.anyString;
 import static org.mockito.Matchers.eq;
-import static org.mockito.Mockito.atLeast;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.never;
 import static org.mockito.Mockito.reset;
@@ -61,13 +60,14 @@
 import android.provider.Settings;
 import android.provider.Settings.Secure;
 import android.service.notification.StatusBarNotification;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.runner.AndroidJUnit4;
 import android.test.suitebuilder.annotation.SmallTest;
 import android.testing.TestableContentResolver;
 import android.util.ArrayMap;
 import android.util.Xml;
 
+import androidx.test.InstrumentationRegistry;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.internal.util.FastXmlSerializer;
 import com.android.server.UiServiceTestCase;
 
diff --git a/services/tests/uiservicestests/src/com/android/server/notification/RateEstimatorTest.java b/services/tests/uiservicestests/src/com/android/server/notification/RateEstimatorTest.java
index 5d8d48f1..68aa1dc 100644
--- a/services/tests/uiservicestests/src/com/android/server/notification/RateEstimatorTest.java
+++ b/services/tests/uiservicestests/src/com/android/server/notification/RateEstimatorTest.java
@@ -15,17 +15,19 @@
  */
 package com.android.server.notification;
 
-import android.support.test.runner.AndroidJUnit4;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
 import android.test.suitebuilder.annotation.SmallTest;
+
+import androidx.test.runner.AndroidJUnit4;
+
+import com.android.server.UiServiceTestCase;
+
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
-import static org.junit.Assert.assertTrue;
-import static org.junit.Assert.assertFalse;
-
-import com.android.server.UiServiceTestCase;
-
 @SmallTest
 @RunWith(AndroidJUnit4.class)
 public class RateEstimatorTest extends UiServiceTestCase {
diff --git a/services/tests/uiservicestests/src/com/android/server/notification/ScheduleCalendarTest.java b/services/tests/uiservicestests/src/com/android/server/notification/ScheduleCalendarTest.java
index 96ac935..c0fecaf 100644
--- a/services/tests/uiservicestests/src/com/android/server/notification/ScheduleCalendarTest.java
+++ b/services/tests/uiservicestests/src/com/android/server/notification/ScheduleCalendarTest.java
@@ -23,14 +23,14 @@
 
 import android.service.notification.ScheduleCalendar;
 import android.service.notification.ZenModeConfig;
-import android.support.test.filters.FlakyTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.test.suitebuilder.annotation.SmallTest;
 
+import androidx.test.filters.FlakyTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.server.UiServiceTestCase;
 
 import org.junit.Before;
-import org.junit.Ignore;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
diff --git a/services/tests/uiservicestests/src/com/android/server/notification/ScheduleConditionProviderTest.java b/services/tests/uiservicestests/src/com/android/server/notification/ScheduleConditionProviderTest.java
index efa70e7..551e186 100644
--- a/services/tests/uiservicestests/src/com/android/server/notification/ScheduleConditionProviderTest.java
+++ b/services/tests/uiservicestests/src/com/android/server/notification/ScheduleConditionProviderTest.java
@@ -10,11 +10,11 @@
 import android.service.notification.Condition;
 import android.service.notification.ScheduleCalendar;
 import android.service.notification.ZenModeConfig;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper.RunWithLooper;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.server.UiServiceTestCase;
 
 import org.junit.Before;
diff --git a/services/tests/uiservicestests/src/com/android/server/notification/SnoozeHelperTest.java b/services/tests/uiservicestests/src/com/android/server/notification/SnoozeHelperTest.java
index 88c6fcf..6f760fe 100644
--- a/services/tests/uiservicestests/src/com/android/server/notification/SnoozeHelperTest.java
+++ b/services/tests/uiservicestests/src/com/android/server/notification/SnoozeHelperTest.java
@@ -15,12 +15,16 @@
  */
 package com.android.server.notification;
 
-import org.junit.Before;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.mockito.ArgumentCaptor;
-import org.mockito.Mock;
-import org.mockito.MockitoAnnotations;
+import static junit.framework.Assert.assertEquals;
+import static junit.framework.Assert.assertTrue;
+
+import static org.mockito.Matchers.any;
+import static org.mockito.Matchers.anyInt;
+import static org.mockito.Matchers.anyLong;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
 
 import android.app.AlarmManager;
 import android.app.Notification;
@@ -30,23 +34,18 @@
 import android.os.SystemClock;
 import android.os.UserHandle;
 import android.service.notification.StatusBarNotification;
-import android.support.test.runner.AndroidJUnit4;
 import android.test.suitebuilder.annotation.SmallTest;
 
-import static junit.framework.Assert.assertEquals;
-import static junit.framework.Assert.assertFalse;
-import static junit.framework.Assert.assertTrue;
-import static org.mockito.Matchers.any;
-import static org.mockito.Matchers.anyInt;
-import static org.mockito.Matchers.anyLong;
-import static org.mockito.Matchers.eq;
-import static org.mockito.Mockito.never;
-import static org.mockito.Mockito.times;
-import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.when;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.server.UiServiceTestCase;
 
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.ArgumentCaptor;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
 
 @SmallTest
 @RunWith(AndroidJUnit4.class)
diff --git a/services/tests/uiservicestests/src/com/android/server/notification/ValidateNotificationPeopleTest.java b/services/tests/uiservicestests/src/com/android/server/notification/ValidateNotificationPeopleTest.java
index 025b11a..b1ee120 100644
--- a/services/tests/uiservicestests/src/com/android/server/notification/ValidateNotificationPeopleTest.java
+++ b/services/tests/uiservicestests/src/com/android/server/notification/ValidateNotificationPeopleTest.java
@@ -15,23 +15,24 @@
  */
 package com.android.server.notification;
 
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNull;
+
 import android.app.Notification;
 import android.app.Person;
 import android.os.Bundle;
-import android.support.test.runner.AndroidJUnit4;
 import android.test.suitebuilder.annotation.SmallTest;
 import android.text.SpannableString;
 
-import java.util.ArrayList;
-import java.util.Arrays;
+import androidx.test.runner.AndroidJUnit4;
+
+import com.android.server.UiServiceTestCase;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
-import static org.junit.Assert.assertNull;
-import static org.junit.Assert.assertEquals;
-
-import com.android.server.UiServiceTestCase;
+import java.util.ArrayList;
+import java.util.Arrays;
 
 @SmallTest
 @RunWith(AndroidJUnit4.class)
diff --git a/services/tests/uiservicestests/src/com/android/server/slice/PackageMatchingCacheTest.java b/services/tests/uiservicestests/src/com/android/server/slice/PackageMatchingCacheTest.java
index c6aea88..f6c854e 100644
--- a/services/tests/uiservicestests/src/com/android/server/slice/PackageMatchingCacheTest.java
+++ b/services/tests/uiservicestests/src/com/android/server/slice/PackageMatchingCacheTest.java
@@ -21,10 +21,11 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper.RunWithLooper;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.server.UiServiceTestCase;
 import com.android.server.slice.SliceManagerService.PackageMatchingCache;
 
diff --git a/services/tests/uiservicestests/src/com/android/server/slice/PinnedSliceStateTest.java b/services/tests/uiservicestests/src/com/android/server/slice/PinnedSliceStateTest.java
index 82e0fbe..f35bb66 100644
--- a/services/tests/uiservicestests/src/com/android/server/slice/PinnedSliceStateTest.java
+++ b/services/tests/uiservicestests/src/com/android/server/slice/PinnedSliceStateTest.java
@@ -26,11 +26,12 @@
 import android.os.IBinder;
 import android.os.IBinder.DeathRecipient;
 import android.os.RemoteException;
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper;
 import android.testing.TestableLooper.RunWithLooper;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.server.UiServiceTestCase;
 
 import org.junit.Before;
diff --git a/services/tests/uiservicestests/src/com/android/server/slice/SliceClientPermissionsTest.java b/services/tests/uiservicestests/src/com/android/server/slice/SliceClientPermissionsTest.java
index 1efa415..ff2236d 100644
--- a/services/tests/uiservicestests/src/com/android/server/slice/SliceClientPermissionsTest.java
+++ b/services/tests/uiservicestests/src/com/android/server/slice/SliceClientPermissionsTest.java
@@ -24,14 +24,15 @@
 
 import android.content.ContentResolver;
 import android.net.Uri;
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper.RunWithLooper;
 import android.util.Xml.Encoding;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.server.UiServiceTestCase;
-import com.android.server.slice.SlicePermissionManager.PkgUser;
 import com.android.server.slice.SliceClientPermissions.SliceAuthority;
+import com.android.server.slice.SlicePermissionManager.PkgUser;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/services/tests/uiservicestests/src/com/android/server/slice/SliceFullAccessListTest.java b/services/tests/uiservicestests/src/com/android/server/slice/SliceFullAccessListTest.java
index bc28150..d942c5a 100644
--- a/services/tests/uiservicestests/src/com/android/server/slice/SliceFullAccessListTest.java
+++ b/services/tests/uiservicestests/src/com/android/server/slice/SliceFullAccessListTest.java
@@ -19,9 +19,10 @@
 import static org.junit.Assert.assertTrue;
 
 import android.os.UserHandle;
-import android.support.test.filters.SmallTest;
 import android.util.Xml.Encoding;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.server.UiServiceTestCase;
 
 import org.junit.Before;
diff --git a/services/tests/uiservicestests/src/com/android/server/slice/SliceManagerServiceTest.java b/services/tests/uiservicestests/src/com/android/server/slice/SliceManagerServiceTest.java
index 43a4e27..e4f0008 100644
--- a/services/tests/uiservicestests/src/com/android/server/slice/SliceManagerServiceTest.java
+++ b/services/tests/uiservicestests/src/com/android/server/slice/SliceManagerServiceTest.java
@@ -33,18 +33,18 @@
 import android.app.AppOpsManager;
 import android.app.slice.SliceSpec;
 import android.app.usage.UsageStatsManagerInternal;
-import android.content.pm.PackageManagerInternal;
 import android.net.Uri;
 import android.os.Binder;
 import android.os.IBinder;
 import android.os.Process;
 import android.os.RemoteException;
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableContext;
 import android.testing.TestableLooper;
 import android.testing.TestableLooper.RunWithLooper;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.server.LocalServices;
 import com.android.server.UiServiceTestCase;
 
diff --git a/services/tests/uiservicestests/src/com/android/server/slice/SlicePermissionManagerTest.java b/services/tests/uiservicestests/src/com/android/server/slice/SlicePermissionManagerTest.java
index dc057d5..2531ada 100644
--- a/services/tests/uiservicestests/src/com/android/server/slice/SlicePermissionManagerTest.java
+++ b/services/tests/uiservicestests/src/com/android/server/slice/SlicePermissionManagerTest.java
@@ -22,12 +22,13 @@
 import android.net.Uri;
 import android.net.Uri.Builder;
 import android.os.FileUtils;
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper;
 import android.testing.TestableLooper.RunWithLooper;
 import android.util.Xml.Encoding;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.server.UiServiceTestCase;
 
 import org.junit.Test;
diff --git a/services/tests/uiservicestests/src/com/android/server/slice/SliceProviderPermissionsTest.java b/services/tests/uiservicestests/src/com/android/server/slice/SliceProviderPermissionsTest.java
index 5775991..8e61d21 100644
--- a/services/tests/uiservicestests/src/com/android/server/slice/SliceProviderPermissionsTest.java
+++ b/services/tests/uiservicestests/src/com/android/server/slice/SliceProviderPermissionsTest.java
@@ -20,11 +20,12 @@
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.verify;
 
-import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper.RunWithLooper;
 import android.util.Xml.Encoding;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.server.UiServiceTestCase;
 import com.android.server.slice.SlicePermissionManager.PkgUser;
 import com.android.server.slice.SliceProviderPermissions.SliceAuthority;
diff --git a/telecomm/java/android/telecom/Conference.java b/telecomm/java/android/telecom/Conference.java
index 7d1f8ce..6382acf 100644
--- a/telecomm/java/android/telecom/Conference.java
+++ b/telecomm/java/android/telecom/Conference.java
@@ -19,6 +19,7 @@
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.annotation.SystemApi;
+import android.annotation.TestApi;
 import android.net.Uri;
 import android.os.Bundle;
 import android.os.SystemClock;
@@ -571,6 +572,7 @@
      * @return The primary connection.
      * @hide
      */
+    @TestApi
     @SystemApi
     public Connection getPrimaryConnection() {
         if (mUnmodifiableChildConnections == null || mUnmodifiableChildConnections.isEmpty()) {
diff --git a/telecomm/java/android/telecom/ConnectionRequest.java b/telecomm/java/android/telecom/ConnectionRequest.java
index b6e6b0e..d69d2cd 100644
--- a/telecomm/java/android/telecom/ConnectionRequest.java
+++ b/telecomm/java/android/telecom/ConnectionRequest.java
@@ -337,7 +337,31 @@
                 mAddress == null
                         ? Uri.EMPTY
                         : Connection.toLogSafePhoneNumber(mAddress.toString()),
-                mExtras == null ? "" : mExtras);
+                bundleToString(mExtras));
+    }
+
+    private static String bundleToString(Bundle extras){
+        if (extras == null) {
+            return "";
+        }
+        StringBuilder sb = new StringBuilder();
+        sb.append("Bundle[");
+        for (String key : extras.keySet()) {
+            sb.append(key);
+            sb.append("=");
+            switch (key) {
+                case TelecomManager.EXTRA_INCOMING_CALL_ADDRESS:
+                case TelecomManager.EXTRA_UNKNOWN_CALL_HANDLE:
+                    sb.append(Log.pii(extras.get(key)));
+                    break;
+                default:
+                    sb.append(extras.get(key));
+                    break;
+            }
+            sb.append(", ");
+        }
+        sb.append("]");
+        return sb.toString();
     }
 
     public static final Creator<ConnectionRequest> CREATOR = new Creator<ConnectionRequest> () {
diff --git a/telecomm/java/android/telecom/PhoneAccountSuggestion.java b/telecomm/java/android/telecom/PhoneAccountSuggestion.java
index b401bcf..f23f4c9 100644
--- a/telecomm/java/android/telecom/PhoneAccountSuggestion.java
+++ b/telecomm/java/android/telecom/PhoneAccountSuggestion.java
@@ -17,6 +17,7 @@
 package android.telecom;
 
 import android.annotation.IntDef;
+import android.annotation.NonNull;
 import android.annotation.SystemApi;
 import android.annotation.TestApi;
 import android.os.Parcel;
@@ -72,7 +73,7 @@
      */
     @SystemApi
     @TestApi
-    public PhoneAccountSuggestion(PhoneAccountHandle handle, @SuggestionReason int reason,
+    public PhoneAccountSuggestion(@NonNull PhoneAccountHandle handle, @SuggestionReason int reason,
             boolean shouldAutoSelect) {
         this.mHandle = handle;
         this.mReason = reason;
@@ -101,7 +102,7 @@
     /**
      * @return The {@link PhoneAccountHandle} for this suggestion.
      */
-    public PhoneAccountHandle getPhoneAccountHandle() {
+    @NonNull public PhoneAccountHandle getPhoneAccountHandle() {
         return mHandle;
     }
 
diff --git a/telecomm/java/android/telecom/TelecomManager.java b/telecomm/java/android/telecom/TelecomManager.java
index c60eb56..e655e4f 100644
--- a/telecomm/java/android/telecom/TelecomManager.java
+++ b/telecomm/java/android/telecom/TelecomManager.java
@@ -22,6 +22,7 @@
 import android.annotation.SuppressLint;
 import android.annotation.SystemApi;
 import android.annotation.SystemService;
+import android.annotation.TestApi;
 import android.annotation.UnsupportedAppUsage;
 import android.content.ComponentName;
 import android.content.Context;
@@ -560,6 +561,7 @@
      *
      * @hide
      */
+    @TestApi
     @SystemApi
     public static final int TTY_MODE_OFF = 0;
 
@@ -569,6 +571,7 @@
      *
      * @hide
      */
+    @TestApi
     @SystemApi
     public static final int TTY_MODE_FULL = 1;
 
@@ -579,6 +582,7 @@
      *
      * @hide
      */
+    @TestApi
     @SystemApi
     public static final int TTY_MODE_HCO = 2;
 
@@ -589,6 +593,7 @@
      *
      * @hide
      */
+    @TestApi
     @SystemApi
     public static final int TTY_MODE_VCO = 3;
 
@@ -827,6 +832,7 @@
      * @hide
      */
     @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE)
+    @TestApi
     @SystemApi
     public void setUserSelectedOutgoingPhoneAccount(PhoneAccountHandle accountHandle) {
         try {
@@ -1527,6 +1533,7 @@
      * @hide
      */
     @SystemApi
+    @TestApi
     @RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE)
     public @TtyMode int getCurrentTtyMode() {
         try {
@@ -1975,6 +1982,7 @@
      * @hide
      */
     @SystemApi
+    @TestApi
     @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE)
     public boolean isInEmergencyCall() {
         try {
diff --git a/telephony/java/android/provider/Telephony.java b/telephony/java/android/provider/Telephony.java
index 21cc1a2..a09aed7 100644
--- a/telephony/java/android/provider/Telephony.java
+++ b/telephony/java/android/provider/Telephony.java
@@ -17,6 +17,7 @@
 package android.provider;
 
 import android.annotation.IntDef;
+import android.annotation.NonNull;
 import android.annotation.RequiresPermission;
 import android.annotation.SdkConstant;
 import android.annotation.SdkConstant.SdkConstantType;
@@ -1126,8 +1127,8 @@
              * Broadcast Action: A debug code has been entered in the dialer. This intent is
              * broadcast by the system and OEM telephony apps may need to receive these broadcasts.
              * These "secret codes" are used to activate developer menus by dialing certain codes.
-             * And they are of the form {@code *#*#&lt;code&gt;#*#*}. The intent will have the data
-             * URI: {@code android_secret_code://&lt;code&gt;}. It is possible that a manifest
+             * And they are of the form {@code *#*#<code>#*#*}. The intent will have the data
+             * URI: {@code android_secret_code://<code>}. It is possible that a manifest
              * receiver would be woken up even if it is not currently running.
              *
              * <p>Requires {@code android.Manifest.permission#CONTROL_INCALL_EXPERIENCE} to
@@ -4277,6 +4278,7 @@
          * @param subscriptionId the subscriptionId to receive updates on
          * @return the Uri used to observe precise carrier identity changes
          */
+        @NonNull
         public static Uri getPreciseCarrierIdUriForSubscriptionId(int subscriptionId) {
             return Uri.withAppendedPath(Uri.withAppendedPath(CONTENT_URI, "precise"),
                     String.valueOf(subscriptionId));
diff --git a/telephony/java/android/telephony/CallAttributes.java b/telephony/java/android/telephony/CallAttributes.java
index 0d4f09f..2ff2d91 100644
--- a/telephony/java/android/telephony/CallAttributes.java
+++ b/telephony/java/android/telephony/CallAttributes.java
@@ -16,6 +16,7 @@
 
 package android.telephony;
 
+import android.annotation.NonNull;
 import android.annotation.SystemApi;
 import android.os.Parcel;
 import android.os.Parcelable;
@@ -29,15 +30,15 @@
  * @hide
  */
 @SystemApi
-public class CallAttributes implements Parcelable {
+public final class CallAttributes implements Parcelable {
     private PreciseCallState mPreciseCallState;
     @NetworkType
     private int mNetworkType; // TelephonyManager.NETWORK_TYPE_* ints
     private CallQuality mCallQuality;
 
 
-    public CallAttributes(PreciseCallState state, @NetworkType int networkType,
-            CallQuality callQuality) {
+    public CallAttributes(@NonNull PreciseCallState state, @NetworkType int networkType,
+            @NonNull CallQuality callQuality) {
         this.mPreciseCallState = state;
         this.mNetworkType = networkType;
         this.mCallQuality = callQuality;
@@ -59,6 +60,7 @@
     /**
      * Returns the {@link PreciseCallState} of the call.
      */
+    @NonNull
     public PreciseCallState getPreciseCallState() {
         return mPreciseCallState;
     }
@@ -96,6 +98,7 @@
     /**
      * Returns the {#link CallQuality} of the call.
      */
+    @NonNull
     public CallQuality getCallQuality() {
         return mCallQuality;
     }
diff --git a/telephony/java/android/telephony/CarrierRestrictionRules.java b/telephony/java/android/telephony/CarrierRestrictionRules.java
index d47b55c..b627788 100644
--- a/telephony/java/android/telephony/CarrierRestrictionRules.java
+++ b/telephony/java/android/telephony/CarrierRestrictionRules.java
@@ -177,7 +177,8 @@
      * @return a list of boolean with the same size as input, indicating if each
      * {@link CarrierIdentifier} is allowed or not.
      */
-    public List<Boolean> isCarrierIdentifiersAllowed(@NonNull List<CarrierIdentifier> carrierIds) {
+    public @NonNull List<Boolean> areCarrierIdentifiersAllowed(
+            @NonNull List<CarrierIdentifier> carrierIds) {
         ArrayList<Boolean> result = new ArrayList<>(carrierIds.size());
 
         // First calculate the result for each slot independently
@@ -332,7 +333,7 @@
     /**
      * Builder for a {@link CarrierRestrictionRules}.
      */
-    public static class Builder {
+    public static final class Builder {
         private final CarrierRestrictionRules mRules;
 
         /** {@hide} */
@@ -341,14 +342,14 @@
         }
 
         /** build command */
-        public CarrierRestrictionRules build() {
+        public @NonNull CarrierRestrictionRules build() {
             return mRules;
         }
 
         /**
          * Indicate that all carriers are allowed.
          */
-        public Builder setAllCarriersAllowed() {
+        public @NonNull Builder setAllCarriersAllowed() {
             mRules.mAllowedCarriers.clear();
             mRules.mExcludedCarriers.clear();
             mRules.mCarrierRestrictionDefault = CARRIER_RESTRICTION_DEFAULT_ALLOWED;
@@ -360,7 +361,8 @@
          *
          * @param allowedCarriers list of allowed carriers
          */
-        public Builder setAllowedCarriers(List<CarrierIdentifier> allowedCarriers) {
+        public @NonNull Builder setAllowedCarriers(
+                @NonNull List<CarrierIdentifier> allowedCarriers) {
             mRules.mAllowedCarriers = new ArrayList<CarrierIdentifier>(allowedCarriers);
             return this;
         }
@@ -370,7 +372,8 @@
          *
          * @param excludedCarriers list of excluded carriers
          */
-        public Builder setExcludedCarriers(List<CarrierIdentifier> excludedCarriers) {
+        public @NonNull Builder setExcludedCarriers(
+                @NonNull List<CarrierIdentifier> excludedCarriers) {
             mRules.mExcludedCarriers = new ArrayList<CarrierIdentifier>(excludedCarriers);
             return this;
         }
@@ -380,7 +383,7 @@
          *
          * @param carrierRestrictionDefault prioritized carrier list
          */
-        public Builder setDefaultCarrierRestriction(
+        public @NonNull Builder setDefaultCarrierRestriction(
                 @CarrierRestrictionDefault int carrierRestrictionDefault) {
             mRules.mCarrierRestrictionDefault = carrierRestrictionDefault;
             return this;
@@ -391,7 +394,7 @@
          *
          * @param multiSimPolicy multi SIM policy
          */
-        public Builder setMultiSimPolicy(@MultiSimPolicy int multiSimPolicy) {
+        public @NonNull Builder setMultiSimPolicy(@MultiSimPolicy int multiSimPolicy) {
             mRules.mMultiSimPolicy = multiSimPolicy;
             return this;
         }
diff --git a/telephony/java/android/telephony/CellIdentityNr.java b/telephony/java/android/telephony/CellIdentityNr.java
index 856f081..19bc0ce 100644
--- a/telephony/java/android/telephony/CellIdentityNr.java
+++ b/telephony/java/android/telephony/CellIdentityNr.java
@@ -81,7 +81,8 @@
     /**
      * Get the NR Cell Identity.
      *
-     * @return The NR Cell Identity in range [0, 68719476735] or Long.MAX_VALUE if unknown.
+     * @return The 36-bit NR Cell Identity in range [0, 68719476735] or
+     *         {@link CellInfo#UNAVAILABLE_LONG} if unknown.
      */
     public long getNci() {
         return mNci;
diff --git a/telephony/java/android/telephony/CellInfo.java b/telephony/java/android/telephony/CellInfo.java
index 8ce5c54..c7853f1 100644
--- a/telephony/java/android/telephony/CellInfo.java
+++ b/telephony/java/android/telephony/CellInfo.java
@@ -40,6 +40,11 @@
     public static final int UNAVAILABLE = Integer.MAX_VALUE;
 
     /**
+     * This value indicates that the long field is unreported.
+     */
+    public static final long UNAVAILABLE_LONG = Long.MAX_VALUE;
+
+    /**
      * Cell identity type
      * @hide
      */
diff --git a/telephony/java/android/telephony/NetworkService.java b/telephony/java/android/telephony/NetworkService.java
index 6c45cc4..bec9494 100644
--- a/telephony/java/android/telephony/NetworkService.java
+++ b/telephony/java/android/telephony/NetworkService.java
@@ -26,6 +26,7 @@
 import android.os.Looper;
 import android.os.Message;
 import android.os.RemoteException;
+import android.telephony.NetworkRegistrationState.Domain;
 import android.util.SparseArray;
 
 import com.android.internal.annotations.VisibleForTesting;
@@ -99,11 +100,12 @@
 
         /**
          * API to get network registration state. The result will be passed to the callback.
-         * @param domain
-         * @param callback
+         * @param domain Network domain
+         * @param callback The callback for reporting network registration state
          * @return SIM slot id the network service associated with.
          */
-        public void getNetworkRegistrationState(int domain, NetworkServiceCallback callback) {
+        public void getNetworkRegistrationState(@Domain int domain,
+                                                @NonNull NetworkServiceCallback callback) {
             callback.onGetNetworkRegistrationStateComplete(
                     NetworkServiceCallback.RESULT_ERROR_UNSUPPORTED, null);
         }
diff --git a/telephony/java/android/telephony/PhoneNumberRange.java b/telephony/java/android/telephony/PhoneNumberRange.java
index dba803b..12df9b5 100644
--- a/telephony/java/android/telephony/PhoneNumberRange.java
+++ b/telephony/java/android/telephony/PhoneNumberRange.java
@@ -149,7 +149,7 @@
      * @param number A phone number, with or without separators or a country code.
      * @return {@code true} if the number matches, {@code false} otherwise.
      */
-    public boolean matches(String number) {
+    public boolean matches(@NonNull String number) {
         // Check the prefix, make sure it matches either with or without the country code.
         String normalizedNumber = number.replaceAll("[^0-9]", "");
         String prefixWithCountryCode = mCountryCode + mPrefix;
diff --git a/telephony/java/android/telephony/PhoneStateListener.java b/telephony/java/android/telephony/PhoneStateListener.java
index da92730..24319a2 100644
--- a/telephony/java/android/telephony/PhoneStateListener.java
+++ b/telephony/java/android/telephony/PhoneStateListener.java
@@ -606,7 +606,7 @@
     @RequiresPermission((android.Manifest.permission.READ_PRECISE_PHONE_STATE))
     @SystemApi
     public void onPreciseDataConnectionStateChanged(
-            PreciseDataConnectionState dataConnectionState) {
+            @NonNull PreciseDataConnectionState dataConnectionState) {
         // default implementation empty
     }
 
diff --git a/telephony/java/android/telephony/PreciseDataConnectionState.java b/telephony/java/android/telephony/PreciseDataConnectionState.java
index 57a1826..d593678 100644
--- a/telephony/java/android/telephony/PreciseDataConnectionState.java
+++ b/telephony/java/android/telephony/PreciseDataConnectionState.java
@@ -16,6 +16,8 @@
 
 package android.telephony;
 
+import android.annotation.NonNull;
+import android.annotation.Nullable;
 import android.annotation.SystemApi;
 import android.annotation.UnsupportedAppUsage;
 import android.net.LinkProperties;
@@ -25,6 +27,7 @@
 
 import java.util.Objects;
 
+
 /**
  * Contains precise data connection state.
  *
@@ -119,6 +122,7 @@
     /**
      * Returns APN {@link ApnSetting} of this data connection.
      */
+    @Nullable
     public String getDataConnectionApn() {
         return mAPN;
     }
diff --git a/telephony/java/android/telephony/ServiceState.java b/telephony/java/android/telephony/ServiceState.java
index 3dc1199..f2daace 100644
--- a/telephony/java/android/telephony/ServiceState.java
+++ b/telephony/java/android/telephony/ServiceState.java
@@ -17,6 +17,8 @@
 package android.telephony;
 
 import android.annotation.IntDef;
+import android.annotation.NonNull;
+import android.annotation.Nullable;
 import android.annotation.SystemApi;
 import android.annotation.TestApi;
 import android.annotation.UnsupportedAppUsage;
@@ -1760,6 +1762,7 @@
      * @return List of {@link NetworkRegistrationState}
      * @hide
      */
+    @NonNull
     @SystemApi
     public List<NetworkRegistrationState> getNetworkRegistrationStates() {
         synchronized (mNetworkRegistrationStates) {
@@ -1776,6 +1779,7 @@
      *
      * @deprecated Use {@link #getNetworkRegistrationStatesFromTransportType(int)}
      */
+    @NonNull
     @Deprecated
     @SystemApi
     public List<NetworkRegistrationState> getNetworkRegistrationStates(int transportType) {
@@ -1789,6 +1793,7 @@
      * @return List of {@link NetworkRegistrationState}
      * @hide
      */
+    @NonNull
     @SystemApi
     public List<NetworkRegistrationState> getNetworkRegistrationStatesForTransportType(
             int transportType) {
@@ -1812,6 +1817,7 @@
      * @return List of {@link NetworkRegistrationState}
      * @hide
      */
+    @NonNull
     @SystemApi
     public List<NetworkRegistrationState> getNetworkRegistrationStatesForDomain(
             @Domain int domain) {
@@ -1838,6 +1844,7 @@
      *
      * @deprecated Use {@link #getNetworkRegistrationState(int, int)}
      */
+    @Nullable
     @Deprecated
     @SystemApi
     public NetworkRegistrationState getNetworkRegistrationStates(@Domain int domain,
@@ -1854,6 +1861,7 @@
      * @hide
      *
      */
+    @Nullable
     @SystemApi
     public NetworkRegistrationState getNetworkRegistrationState(@Domain int domain,
                                                                 int transportType) {
diff --git a/telephony/java/android/telephony/SubscriptionManager.java b/telephony/java/android/telephony/SubscriptionManager.java
index 52cab55..635e4fe 100644
--- a/telephony/java/android/telephony/SubscriptionManager.java
+++ b/telephony/java/android/telephony/SubscriptionManager.java
@@ -149,6 +149,7 @@
      * {@link Uri#withAppendedPath(Uri, String)}.
      * @hide
      */
+    @NonNull
     @SystemApi
     public static final Uri WFC_ENABLED_CONTENT_URI = Uri.withAppendedPath(CONTENT_URI, "wfc");
 
@@ -167,6 +168,7 @@
      * {@link Uri#withAppendedPath(Uri, String)}.
      * @hide
      */
+    @NonNull
     @SystemApi
     public static final Uri ADVANCED_CALLING_ENABLED_CONTENT_URI = Uri.withAppendedPath(
             CONTENT_URI, "advanced_calling");
@@ -184,6 +186,7 @@
      * {@link Uri#withAppendedPath(Uri, String)}.
      * @hide
      */
+    @NonNull
     @SystemApi
     public static final Uri WFC_MODE_CONTENT_URI = Uri.withAppendedPath(CONTENT_URI, "wfc_mode");
 
@@ -200,6 +203,7 @@
      * {@link Uri#withAppendedPath(Uri, String)}.
      * @hide
      */
+    @NonNull
     @SystemApi
     public static final Uri WFC_ROAMING_MODE_CONTENT_URI = Uri.withAppendedPath(
             CONTENT_URI, "wfc_roaming_mode");
@@ -218,6 +222,7 @@
      * {@link Uri#withAppendedPath(Uri, String)}.
      * @hide
      */
+    @NonNull
     @SystemApi
     public static final Uri VT_ENABLED_CONTENT_URI = Uri.withAppendedPath(
             CONTENT_URI, "vt_enabled");
@@ -235,6 +240,7 @@
      * {@link Uri#withAppendedPath(Uri, String)}.
      * @hide
      */
+    @NonNull
     @SystemApi
     public static final Uri WFC_ROAMING_ENABLED_CONTENT_URI = Uri.withAppendedPath(
             CONTENT_URI, "wfc_roaming_enabled");
diff --git a/telephony/java/android/telephony/TelephonyManager.java b/telephony/java/android/telephony/TelephonyManager.java
index 29a305e..0af0013 100644
--- a/telephony/java/android/telephony/TelephonyManager.java
+++ b/telephony/java/android/telephony/TelephonyManager.java
@@ -1344,12 +1344,7 @@
      */
     public static final String EXTRA_RECOVERY_ACTION = "recoveryAction";
 
-    /**
-     * The max value for the timeout passed in {@link #requestNumberVerification}.
-     * @hide
-     */
-    @SystemApi
-    public static final long MAX_NUMBER_VERIFICATION_TIMEOUT_MILLIS = 60000;
+    private static final long MAX_NUMBER_VERIFICATION_TIMEOUT_MILLIS = 60000;
 
     /**
      * Intent sent when an error occurs that debug tools should log and possibly take further
@@ -1992,6 +1987,15 @@
         return cmdline;
     }
 
+    /**
+     * @return The max value for the timeout passed in {@link #requestNumberVerification}.
+     * @hide
+     */
+    @SystemApi
+    public static long getMaxNumberVerificationTimeoutMillis() {
+        return MAX_NUMBER_VERIFICATION_TIMEOUT_MILLIS;
+    }
+
     /** Kernel command line */
     private static final String sKernelCmdLine = getProcCmdLine();
 
@@ -2758,8 +2762,8 @@
      * (see {@link #hasCarrierPrivileges}).
      * <p>
      * These "secret codes" are used to activate developer menus by dialing certain codes.
-     * And they are of the form {@code *#*#&lt;code&gt;#*#*}. The intent will have the data
-     * URI: {@code android_secret_code://&lt;code&gt;}. It is possible that a manifest
+     * And they are of the form {@code *#*#<code>#*#*}. The intent will have the data
+     * URI: {@code android_secret_code://<code>}. It is possible that a manifest
      * receiver would be woken up even if it is not currently running.
      * <p>
      * It is supposed to replace {@link android.provider.Telephony.Sms.Intents#SECRET_CODE_ACTION}
@@ -4471,6 +4475,7 @@
      * {@link android.Manifest.permission#READ_PRIVILEGED_PHONE_STATE READ_PRIVILEGED_PHONE_STATE}
      * @hide
      */
+    @Nullable
     @SystemApi
     @RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE)
     public String getIsimDomain() {
@@ -5719,8 +5724,8 @@
      *
      * @hide
      * @param range The range of phone numbers the caller expects a phone call from.
-     * @param timeoutMillis The amount of time to wait for such a call, or
-     *                      {@link #MAX_NUMBER_VERIFICATION_TIMEOUT_MILLIS}, whichever is lesser.
+     * @param timeoutMillis The amount of time to wait for such a call, or the value of
+     *                      {@link #getMaxNumberVerificationTimeoutMillis()}, whichever is lesser.
      * @param executor The {@link Executor} that callbacks should be executed on.
      * @param callback The callback to use for delivering results.
      */
@@ -6902,14 +6907,12 @@
     }
 
     /**
-     * Check TETHER_DUN_REQUIRED and TETHER_DUN_APN settings, net.tethering.noprovisioning
-     * SystemProperty to decide whether DUN APN is required for
-     * tethering.
+     * Check whether DUN APN is required for tethering.
      *
-     * @return 0: Not required. 1: required. 2: Not set.
+     * @return {@code true} if DUN APN is required for tethering.
      * @hide
      */
-    public int getTetherApnRequired() {
+    public boolean getTetherApnRequired() {
         try {
             ITelephony telephony = getITelephony();
             if (telephony != null)
@@ -6919,7 +6922,7 @@
         } catch (NullPointerException ex) {
             Rlog.e(TAG, "hasMatchedTetherApnSetting NPE", ex);
         }
-        return 2;
+        return false;
     }
 
 
@@ -9046,6 +9049,7 @@
      * @return Application ID for specified app type or {@code null} if no uicc or error.
      * @hide
      */
+    @Nullable
     @SystemApi
     @RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE)
     public String getAidForAppType(@UiccAppType int appType) {
@@ -10297,12 +10301,6 @@
     @SuppressAutoDoc // Blocked by b/72967236 - no support for carrier privileges
     @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE)
     public void switchMultiSimConfig(int numOfSims) {
-        //only proceed if multi-sim is not restricted
-        if (!isMultisimSupported()) {
-            Rlog.e(TAG, "switchMultiSimConfig not possible. It is restricted or not supported.");
-            return;
-        }
-
         try {
             ITelephony telephony = getITelephony();
             if (telephony != null) {
diff --git a/telephony/java/android/telephony/data/ApnSetting.java b/telephony/java/android/telephony/data/ApnSetting.java
index 0e69530..97a2f13 100644
--- a/telephony/java/android/telephony/data/ApnSetting.java
+++ b/telephony/java/android/telephony/data/ApnSetting.java
@@ -19,7 +19,7 @@
 import android.annotation.NonNull;
 import android.content.ContentValues;
 import android.database.Cursor;
-import android.hardware.radio.V1_0.ApnTypes;
+import android.hardware.radio.V1_4.ApnTypes;
 import android.net.Uri;
 import android.os.Parcel;
 import android.os.Parcelable;
@@ -79,7 +79,7 @@
      * APN type for all APNs.
      * @hide
      */
-    public static final int TYPE_ALL = ApnTypes.ALL;
+    public static final int TYPE_ALL = ApnTypes.ALL | ApnTypes.MCX;
     /** APN type for default data traffic. */
     public static final int TYPE_DEFAULT = ApnTypes.DEFAULT | ApnTypes.HIPRI;
     /** APN type for MMS traffic. */
@@ -103,6 +103,8 @@
      * for access to carrier services in an emergency call situation.
      */
     public static final int TYPE_EMERGENCY = ApnTypes.EMERGENCY;
+    /** APN type for MCX (Mission Critical Service) where X can be PTT/Video/Data */
+    public static final int TYPE_MCX = ApnTypes.MCX;
 
     /** @hide */
     @IntDef(flag = true, prefix = { "TYPE_" }, value = {
@@ -115,7 +117,8 @@
         TYPE_IMS,
         TYPE_CBS,
         TYPE_IA,
-        TYPE_EMERGENCY
+        TYPE_EMERGENCY,
+        TYPE_MCX
     })
     @Retention(RetentionPolicy.SOURCE)
     public @interface ApnType {}
@@ -206,6 +209,7 @@
         APN_TYPE_STRING_MAP.put("cbs", TYPE_CBS);
         APN_TYPE_STRING_MAP.put("ia", TYPE_IA);
         APN_TYPE_STRING_MAP.put("emergency", TYPE_EMERGENCY);
+        APN_TYPE_STRING_MAP.put("mcx", TYPE_MCX);
         APN_TYPE_INT_MAP = new ArrayMap<Integer, String>();
         APN_TYPE_INT_MAP.put(TYPE_DEFAULT, "default");
         APN_TYPE_INT_MAP.put(TYPE_MMS, "mms");
@@ -217,6 +221,7 @@
         APN_TYPE_INT_MAP.put(TYPE_CBS, "cbs");
         APN_TYPE_INT_MAP.put(TYPE_IA, "ia");
         APN_TYPE_INT_MAP.put(TYPE_EMERGENCY, "emergency");
+        APN_TYPE_INT_MAP.put(TYPE_MCX, "mcx");
 
         PROTOCOL_STRING_MAP = new ArrayMap<String, Integer>();
         PROTOCOL_STRING_MAP.put("IP", PROTOCOL_IP);
@@ -1833,7 +1838,7 @@
          * {@link ApnSetting} built from this builder otherwise.
          */
         public ApnSetting build() {
-            if ((mApnTypeBitmask & ApnTypes.ALL) == 0 || TextUtils.isEmpty(mApnName)
+            if ((mApnTypeBitmask & TYPE_ALL) == 0 || TextUtils.isEmpty(mApnName)
                 || TextUtils.isEmpty(mEntryName)) {
                 return null;
             }
diff --git a/telephony/java/android/telephony/data/DataService.java b/telephony/java/android/telephony/data/DataService.java
index 79572b9..a3fa77b 100644
--- a/telephony/java/android/telephony/data/DataService.java
+++ b/telephony/java/android/telephony/data/DataService.java
@@ -152,8 +152,9 @@
          * @param callback The result callback for this request. Null if the client does not care
          *        about the result.
          */
-        public void setupDataCall(int accessNetworkType, DataProfile dataProfile, boolean isRoaming,
-                                  boolean allowRoaming, @SetupDataReason int reason,
+        public void setupDataCall(int accessNetworkType, @NonNull DataProfile dataProfile,
+                                  boolean isRoaming, boolean allowRoaming,
+                                  @SetupDataReason int reason,
                                   @Nullable LinkProperties linkProperties,
                                   @Nullable DataServiceCallback callback) {
             // The default implementation is to return unsupported.
@@ -192,7 +193,7 @@
          * @param callback The result callback for this request. Null if the client does not care
          *        about the result.
          */
-        public void setInitialAttachApn(DataProfile dataProfile, boolean isRoaming,
+        public void setInitialAttachApn(@NonNull DataProfile dataProfile, boolean isRoaming,
                                         @Nullable DataServiceCallback callback) {
             // The default implementation is to return unsupported.
             if (callback != null) {
@@ -211,7 +212,7 @@
          * @param callback The result callback for this request. Null if the client does not care
          *        about the result.
          */
-        public void setDataProfile(List<DataProfile> dps, boolean isRoaming,
+        public void setDataProfile(@NonNull List<DataProfile> dps, boolean isRoaming,
                                    @Nullable DataServiceCallback callback) {
             // The default implementation is to return unsupported.
             if (callback != null) {
diff --git a/telephony/java/android/telephony/data/QualifiedNetworksService.java b/telephony/java/android/telephony/data/QualifiedNetworksService.java
index 45b4849..c38f278 100644
--- a/telephony/java/android/telephony/data/QualifiedNetworksService.java
+++ b/telephony/java/android/telephony/data/QualifiedNetworksService.java
@@ -16,6 +16,8 @@
 
 package android.telephony.data;
 
+import android.annotation.NonNull;
+import android.annotation.Nullable;
 import android.annotation.SystemApi;
 import android.app.Service;
 import android.content.Intent;
@@ -132,7 +134,7 @@
          * for data setup.
          */
         public final void updateQualifiedNetworkTypes(@ApnType int apnTypes,
-                                                      int[] qualifiedNetworkTypes) {
+                                                      @Nullable int[] qualifiedNetworkTypes) {
             mHandler.obtainMessage(QNS_UPDATE_QUALIFIED_NETWORKS, mSlotIndex, apnTypes,
                     qualifiedNetworkTypes).sendToTarget();
         }
@@ -233,6 +235,7 @@
      * @param slotIndex SIM slot index the qualified networks service associated with.
      * @return Qualified networks service instance
      */
+    @NonNull
     public abstract NetworkAvailabilityUpdater createNetworkAvailabilityUpdater(int slotIndex);
 
     /** @hide */
diff --git a/telephony/java/android/telephony/euicc/EuiccManager.java b/telephony/java/android/telephony/euicc/EuiccManager.java
index 828e3e9..b8a07e4 100644
--- a/telephony/java/android/telephony/euicc/EuiccManager.java
+++ b/telephony/java/android/telephony/euicc/EuiccManager.java
@@ -17,6 +17,7 @@
 
 import android.Manifest;
 import android.annotation.IntDef;
+import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.annotation.RequiresPermission;
 import android.annotation.SdkConstant;
@@ -116,6 +117,66 @@
             "android.telephony.euicc.action.RESOLVE_ERROR";
 
     /**
+     * Intent action sent by system apps (such as the Settings app) to the Telephony framework to
+     * enable or disable a subscription. Must be accompanied with {@link #EXTRA_SUBSCRIPTION_ID} and
+     * {@link #EXTRA_ENABLE_SUBSCRIPTION}.
+     *
+     * <p>Unlike {@link #switchToSubscription(int, PendingIntent)}, using this action allows the
+     * underlying eUICC service (i.e. the LPA app) to control the UI experience during this
+     * operation. The action is received by the Telephony framework, which in turn selects and
+     * launches an appropriate LPA activity to present UI to the user. For example, the activity may
+     * show a confirmation dialog, a progress dialog, or an error dialog when necessary.
+     *
+     * <p>The launched activity will immediately finish with
+     * {@link android.app.Activity#RESULT_CANCELED} if {@link #isEnabled} is false.
+     *
+     * @hide
+     */
+    @SystemApi
+    public static final String ACTION_TOGGLE_SUBSCRIPTION_PRIVILEGED =
+            "android.telephony.euicc.action.TOGGLE_SUBSCRIPTION_PRIVILEGED";
+
+    /**
+     * Intent action sent by system apps (such as the Settings app) to the Telephony framework to
+     * delete a subscription. Must be accompanied with {@link #EXTRA_SUBSCRIPTION_ID}.
+     *
+     * <p>Unlike {@link #deleteSubscription(int, PendingIntent)}, using this action allows the
+     * underlying eUICC service (i.e. the LPA app) to control the UI experience during this
+     * operation. The action is received by the Telephony framework, which in turn selects and
+     * launches an appropriate LPA activity to present UI to the user. For example, the activity may
+     * show a confirmation dialog, a progress dialog, or an error dialog when necessary.
+     *
+     * <p>The launched activity will immediately finish with
+     * {@link android.app.Activity#RESULT_CANCELED} if {@link #isEnabled} is false.
+     *
+     * @hide
+     */
+    @SystemApi
+    public static final String ACTION_DELETE_SUBSCRIPTION_PRIVILEGED =
+            "android.telephony.euicc.action.DELETE_SUBSCRIPTION_PRIVILEGED";
+
+    /**
+     * Intent action sent by system apps (such as the Settings app) to the Telephony framework to
+     * rename a subscription. Must be accompanied with {@link #EXTRA_SUBSCRIPTION_ID} and
+     * {@link #EXTRA_SUBSCRIPTION_NICKNAME}.
+     *
+     * <p>Unlike {@link #updateSubscriptionNickname(int, String, PendingIntent)}, using this action
+     * allows the the underlying eUICC service (i.e. the LPA app) to control the UI experience
+     * during this operation. The action is received by the Telephony framework, which in turn
+     * selects and launches an appropriate LPA activity to present UI to the user. For example, the
+     * activity may show a confirmation dialog, a progress dialog, or an error dialog when
+     * necessary.
+     *
+     * <p>The launched activity will immediately finish with
+     * {@link android.app.Activity#RESULT_CANCELED} if {@link #isEnabled} is false.
+     *
+     * @hide
+     */
+    @SystemApi
+    public static final String ACTION_RENAME_SUBSCRIPTION_PRIVILEGED =
+            "android.telephony.euicc.action.RENAME_SUBSCRIPTION_PRIVILEGED";
+
+    /**
      * Result code for an operation indicating that the operation succeeded.
      */
     public static final int EMBEDDED_SUBSCRIPTION_RESULT_OK = 0;
@@ -195,6 +256,37 @@
             "android.telephony.euicc.extra.FORCE_PROVISION";
 
     /**
+     * Key for an extra set on privileged actions {@link #ACTION_TOGGLE_SUBSCRIPTION_PRIVILEGED},
+     * {@link #ACTION_DELETE_SUBSCRIPTION_PRIVILEGED}, and
+     * {@link #ACTION_RENAME_SUBSCRIPTION_PRIVILEGED} providing the ID of the targeted subscription.
+     *
+     * @hide
+     */
+    @SystemApi
+    public static final String EXTRA_SUBSCRIPTION_ID =
+            "android.telephony.euicc.extra.SUBSCRIPTION_ID";
+
+    /**
+     * Key for an extra set on {@link #ACTION_TOGGLE_SUBSCRIPTION_PRIVILEGED} providing a boolean
+     * value of whether to enable or disable the targeted subscription.
+     *
+     * @hide
+     */
+    @SystemApi
+    public static final String EXTRA_ENABLE_SUBSCRIPTION =
+            "android.telephony.euicc.extra.ENABLE_SUBSCRIPTION";
+
+    /**
+     * Key for an extra set on {@link #ACTION_RENAME_SUBSCRIPTION_PRIVILEGED} providing a new
+     * nickname for the targeted subscription.
+     *
+     * @hide
+     */
+    @SystemApi
+    public static final String EXTRA_SUBSCRIPTION_NICKNAME =
+            "android.telephony.euicc.extra.SUBSCRIPTION_NICKNAME";
+
+    /**
      * Optional meta-data attribute for a carrier app providing an icon to use to represent the
      * carrier. If not provided, the app's launcher icon will be used as a fallback.
      */
@@ -274,6 +366,7 @@
      *
      * @return an EuiccManager that uses the given card ID for all calls.
      */
+    @NonNull
     public EuiccManager createForCardId(int cardId) {
         return new EuiccManager(mContext, cardId);
     }
diff --git a/telephony/java/android/telephony/ims/ImsCallSessionListener.java b/telephony/java/android/telephony/ims/ImsCallSessionListener.java
index 337375a..a09844d 100644
--- a/telephony/java/android/telephony/ims/ImsCallSessionListener.java
+++ b/telephony/java/android/telephony/ims/ImsCallSessionListener.java
@@ -16,6 +16,7 @@
 
 package android.telephony.ims;
 
+import android.annotation.NonNull;
 import android.annotation.SystemApi;
 import android.os.RemoteException;
 import android.telephony.CallQuality;
@@ -606,7 +607,7 @@
      *
      * @param profile updated ImsStreamMediaProfile
      */
-    public void callSessionRttAudioIndicatorChanged(ImsStreamMediaProfile profile) {
+    public void callSessionRttAudioIndicatorChanged(@NonNull ImsStreamMediaProfile profile) {
         try {
             mListener.callSessionRttAudioIndicatorChanged(profile);
         } catch (RemoteException e) {
@@ -619,7 +620,7 @@
      *
      * @param callQuality The new call quality
      */
-    public void callQualityChanged(CallQuality callQuality) {
+    public void callQualityChanged(@NonNull CallQuality callQuality) {
         try {
             mListener.callQualityChanged(callQuality);
         } catch (RemoteException e) {
diff --git a/telephony/java/android/telephony/ims/ImsConferenceState.java b/telephony/java/android/telephony/ims/ImsConferenceState.java
index 66d2f8d..8af8cff 100644
--- a/telephony/java/android/telephony/ims/ImsConferenceState.java
+++ b/telephony/java/android/telephony/ims/ImsConferenceState.java
@@ -16,17 +16,18 @@
 
 package android.telephony.ims;
 
-import java.util.HashMap;
-import java.util.Iterator;
-import java.util.Map.Entry;
-import java.util.Set;
-
 import android.annotation.SystemApi;
 import android.os.Bundle;
 import android.os.Parcel;
 import android.os.Parcelable;
 import android.telecom.Call;
 import android.telecom.Connection;
+import android.telecom.Log;
+
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.Map.Entry;
+import java.util.Set;
 
 /**
  * Provides the conference information (defined in RFC 4575) for IMS conference call.
@@ -189,7 +190,7 @@
                 sb.append("<");
                 while (iterator.hasNext()) {
                     Entry<String, Bundle> entry = iterator.next();
-                    sb.append(entry.getKey());
+                    sb.append(Log.pii(entry.getKey()));
                     sb.append(": ");
                     Bundle participantData = entry.getValue();
 
@@ -197,7 +198,7 @@
                         sb.append(key);
                         sb.append("=");
                         if (ENDPOINT.equals(key) || USER.equals(key)) {
-                            sb.append(android.telecom.Log.pii(participantData.get(key)));
+                            sb.append(Log.pii(participantData.get(key)));
                         } else {
                             sb.append(participantData.get(key));
                         }
diff --git a/telephony/java/android/telephony/ims/ImsMmTelManager.java b/telephony/java/android/telephony/ims/ImsMmTelManager.java
index eb99d5d..bb85be1 100644
--- a/telephony/java/android/telephony/ims/ImsMmTelManager.java
+++ b/telephony/java/android/telephony/ims/ImsMmTelManager.java
@@ -139,7 +139,7 @@
                 if (mLocalCallback == null) return;
 
                 Binder.withCleanCallingIdentity(() ->
-                        mExecutor.execute(() -> mLocalCallback.onDeregistered(info)));
+                        mExecutor.execute(() -> mLocalCallback.onUnregistered(info)));
             }
 
             @Override
@@ -199,7 +199,7 @@
          *
          * @param info the {@link ImsReasonInfo} associated with why registration was disconnected.
          */
-        public void onDeregistered(ImsReasonInfo info) {
+        public void onUnregistered(ImsReasonInfo info) {
         }
 
         /**
@@ -485,7 +485,7 @@
      * @see android.telephony.CarrierConfigManager#KEY_HIDE_ENHANCED_4G_LTE_BOOL
      * @see android.telephony.CarrierConfigManager#KEY_ENHANCED_4G_LTE_ON_BY_DEFAULT_BOOL
      * @see android.telephony.CarrierConfigManager#KEY_CARRIER_VOLTE_AVAILABLE_BOOL
-     * @see #setAdvancedCallingSetting(boolean)
+     * @see #setAdvancedCallingSettingEnabled(boolean)
      * @return true if the user's setting for advanced calling is enabled, false otherwise.
      */
     @RequiresPermission(Manifest.permission.READ_PRIVILEGED_PHONE_STATE)
@@ -519,9 +519,9 @@
      * @see #isAdvancedCallingSettingEnabled()
      */
     @RequiresPermission(Manifest.permission.MODIFY_PHONE_STATE)
-    public void setAdvancedCallingSetting(boolean isEnabled) {
+    public void setAdvancedCallingSettingEnabled(boolean isEnabled) {
         try {
-            getITelephony().setAdvancedCallingSetting(mSubId, isEnabled);
+            getITelephony().setAdvancedCallingSettingEnabled(mSubId, isEnabled);
             return;
         } catch (RemoteException e) {
             throw e.rethrowAsRuntimeException();
@@ -589,7 +589,7 @@
     /**
      * The user's setting for whether or not they have enabled the "Video Calling" setting.
      * @return true if the user’s “Video Calling” setting is currently enabled.
-     * @see #setVtSetting(boolean)
+     * @see #setVtSettingEnabled(boolean)
      */
     @RequiresPermission(Manifest.permission.READ_PRIVILEGED_PHONE_STATE)
     public boolean isVtSettingEnabled() {
@@ -605,9 +605,9 @@
      * @see #isVtSettingEnabled()
      */
     @RequiresPermission(Manifest.permission.MODIFY_PHONE_STATE)
-    public void setVtSetting(boolean isEnabled) {
+    public void setVtSettingEnabled(boolean isEnabled) {
         try {
-            getITelephony().setVtSetting(mSubId, isEnabled);
+            getITelephony().setVtSettingEnabled(mSubId, isEnabled);
             return;
         } catch (RemoteException e) {
             throw e.rethrowAsRuntimeException();
@@ -616,7 +616,7 @@
 
     /**
      * @return true if the user's setting for Voice over WiFi is enabled and false if it is not.
-     * @see #setVoWiFiSetting(boolean)
+     * @see #setVoWiFiSettingEnabled(boolean)
      */
     @RequiresPermission(Manifest.permission.READ_PRIVILEGED_PHONE_STATE)
     public boolean isVoWiFiSettingEnabled() {
@@ -633,9 +633,9 @@
      * @see #isVoWiFiSettingEnabled()
      */
     @RequiresPermission(Manifest.permission.MODIFY_PHONE_STATE)
-    public void setVoWiFiSetting(boolean isEnabled) {
+    public void setVoWiFiSettingEnabled(boolean isEnabled) {
         try {
-            getITelephony().setVoWiFiSetting(mSubId, isEnabled);
+            getITelephony().setVoWiFiSettingEnabled(mSubId, isEnabled);
             return;
         } catch (RemoteException e) {
             throw e.rethrowAsRuntimeException();
@@ -645,7 +645,7 @@
     /**
      * @return true if the user's setting for Voice over WiFi while roaming is enabled, false
      * if disabled.
-     * @see #setVoWiFiRoamingSetting(boolean)
+     * @see #setVoWiFiRoamingSettingEnabled(boolean)
      */
     @RequiresPermission(Manifest.permission.READ_PRIVILEGED_PHONE_STATE)
     public boolean isVoWiFiRoamingSettingEnabled() {
@@ -663,9 +663,9 @@
      * @see #isVoWiFiRoamingSettingEnabled()
      */
     @RequiresPermission(Manifest.permission.MODIFY_PHONE_STATE)
-    public void setVoWiFiRoamingSetting(boolean isEnabled) {
+    public void setVoWiFiRoamingSettingEnabled(boolean isEnabled) {
         try {
-            getITelephony().setVoWiFiRoamingSetting(mSubId, isEnabled);
+            getITelephony().setVoWiFiRoamingSettingEnabled(mSubId, isEnabled);
             return;
         } catch (RemoteException e) {
             throw e.rethrowAsRuntimeException();
@@ -682,7 +682,7 @@
      * - {@link #WIFI_MODE_WIFI_ONLY}
      * - {@link #WIFI_MODE_CELLULAR_PREFERRED}
      * - {@link #WIFI_MODE_WIFI_PREFERRED}
-     * @see #setVoWiFiSetting(boolean)
+     * @see #setVoWiFiSettingEnabled(boolean)
      */
     @RequiresPermission(Manifest.permission.MODIFY_PHONE_STATE)
     public void setVoWiFiNonPersistent(boolean isCapable, int mode) {
@@ -700,7 +700,7 @@
      * - {@link #WIFI_MODE_WIFI_ONLY}
      * - {@link #WIFI_MODE_CELLULAR_PREFERRED}
      * - {@link #WIFI_MODE_WIFI_PREFERRED}
-     * @see #setVoWiFiSetting(boolean)
+     * @see #setVoWiFiSettingEnabled(boolean)
      */
     @RequiresPermission(Manifest.permission.READ_PRIVILEGED_PHONE_STATE)
     public @WiFiCallingMode int getVoWiFiModeSetting() {
@@ -739,7 +739,7 @@
      *     - {@link #WIFI_MODE_WIFI_ONLY}
      *     - {@link #WIFI_MODE_CELLULAR_PREFERRED}
      *     - {@link #WIFI_MODE_WIFI_PREFERRED}
-     * @see #setVoWiFiRoamingSetting(boolean)
+     * @see #setVoWiFiRoamingSettingEnabled(boolean)
      */
     @RequiresPermission(Manifest.permission.READ_PRIVILEGED_PHONE_STATE)
     public @WiFiCallingMode int getVoWiFiRoamingModeSetting() {
diff --git a/telephony/java/android/telephony/ims/ImsSsData.java b/telephony/java/android/telephony/ims/ImsSsData.java
index 3a82517..86832bb 100644
--- a/telephony/java/android/telephony/ims/ImsSsData.java
+++ b/telephony/java/android/telephony/ims/ImsSsData.java
@@ -17,6 +17,7 @@
 
 import android.annotation.IntDef;
 import android.annotation.NonNull;
+import android.annotation.Nullable;
 import android.annotation.SystemApi;
 import android.os.Parcel;
 import android.os.Parcelable;
@@ -24,6 +25,9 @@
 
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
 
 /**
  * Provides STK Call Control Supplementary Service information.
@@ -260,13 +264,13 @@
     public final int result;
 
     private int[] mSsInfo;
-    private ImsCallForwardInfo[] mCfInfo;
-    private ImsSsInfo[] mImsSsInfo;
+    private List<ImsCallForwardInfo> mCfInfo;
+    private List<ImsSsInfo> mImsSsInfo;
 
     /**
      * Builder for optional ImsSsData parameters.
      */
-    public static class Builder {
+    public static final class Builder {
         private ImsSsData mImsSsData;
 
         /**
@@ -301,7 +305,7 @@
          * Set the array of {@link ImsSsInfo}s that are associated with this supplementary service
          * data.
          */
-        public @NonNull Builder setSuppServiceInfo(@NonNull ImsSsInfo[] imsSsInfos) {
+        public @NonNull Builder setSuppServiceInfo(@NonNull List<ImsSsInfo> imsSsInfos) {
             mImsSsData.mImsSsInfo = imsSsInfos;
             return this;
         }
@@ -311,7 +315,7 @@
          * service data.
          */
         public @NonNull Builder setCallForwardingInfo(
-                @NonNull ImsCallForwardInfo[] imsCallForwardInfos) {
+                @NonNull List<ImsCallForwardInfo> imsCallForwardInfos) {
             mImsSsData.mCfInfo = imsCallForwardInfos;
             return this;
         }
@@ -360,8 +364,8 @@
         serviceClass = in.readInt();
         result = in.readInt();
         mSsInfo = in.createIntArray();
-        mCfInfo = (ImsCallForwardInfo[])in.readParcelableArray(this.getClass().getClassLoader());
-        mImsSsInfo = (ImsSsInfo[])in.readParcelableArray(this.getClass().getClassLoader());
+        mCfInfo = in.readParcelableList(new ArrayList<>(), this.getClass().getClassLoader());
+        mImsSsInfo = in.readParcelableList(new ArrayList<>(), this.getClass().getClassLoader());
     }
 
     public static final Creator<ImsSsData> CREATOR = new Creator<ImsSsData>() {
@@ -384,8 +388,8 @@
         out.writeInt(getServiceClass());
         out.writeInt(getResult());
         out.writeIntArray(mSsInfo);
-        out.writeParcelableArray(mCfInfo, 0);
-        out.writeParcelableArray(mImsSsInfo, 0);
+        out.writeParcelableList(mCfInfo, 0);
+        out.writeParcelableList(mImsSsInfo, 0);
     }
 
     @Override
@@ -500,12 +504,12 @@
 
     /** @hide */
     public void setImsSpecificSuppServiceInfo(ImsSsInfo[] imsSsInfo) {
-        mImsSsInfo = imsSsInfo;
+        mImsSsInfo = Arrays.asList(imsSsInfo);
     }
 
     /** @hide */
     public void setCallForwardingInfo(ImsCallForwardInfo[] cfInfo) {
-        mCfInfo = cfInfo;
+        mCfInfo = Arrays.asList(cfInfo);
     }
 
     /**
@@ -524,7 +528,7 @@
 
 
         int[] result = new int[2];
-        if (mImsSsInfo == null || mImsSsInfo.length == 0) {
+        if (mImsSsInfo == null || mImsSsInfo.size() == 0) {
             Rlog.e(TAG, "getSuppServiceInfoCompat: Could not parse mImsSsInfo, returning empty "
                     + "int[]");
             return result;
@@ -535,26 +539,26 @@
         if (isTypeClir()) {
             // Assume there will only be one ImsSsInfo.
             // contains {"n","m"} parameters
-            result[0] = mImsSsInfo[0].getClirOutgoingState();
-            result[1] = mImsSsInfo[0].getClirInterrogationStatus();
+            result[0] = mImsSsInfo.get(0).getClirOutgoingState();
+            result[1] = mImsSsInfo.get(0).getClirInterrogationStatus();
             return result;
         }
         // COLR 7.31
         if (isTypeColr()) {
-            result[0] = mImsSsInfo[0].getProvisionStatus();
+            result[0] = mImsSsInfo.get(0).getProvisionStatus();
         }
         // Facility Lock CLCK 7.4 (for call barring), CLIP 7.6, COLP 7.8, as well as any
         // other result, just return the status for the "n" parameter and provisioning status for
         // "m" as the default.
-        result[0] = mImsSsInfo[0].getStatus();
-        result[1] = mImsSsInfo[0].getProvisionStatus();
+        result[0] = mImsSsInfo.get(0).getStatus();
+        result[1] = mImsSsInfo.get(0).getProvisionStatus();
         return result;
     }
 
     /**
      * @return an array of {@link ImsSsInfo}s associated with this supplementary service data.
      */
-    public @NonNull ImsSsInfo[] getSuppServiceInfo() {
+    public @NonNull List<ImsSsInfo> getSuppServiceInfo() {
         return mImsSsInfo;
     }
 
@@ -562,7 +566,7 @@
      * @return an array of {@link ImsCallForwardInfo}s associated with this supplementary service
      * data.
      **/
-    public ImsCallForwardInfo[] getCallForwardInfo() {
+    public @Nullable List<ImsCallForwardInfo> getCallForwardInfo() {
         return mCfInfo;
     }
 
diff --git a/telephony/java/android/telephony/ims/ImsSsInfo.java b/telephony/java/android/telephony/ims/ImsSsInfo.java
index 031f9e1..fba390c 100644
--- a/telephony/java/android/telephony/ims/ImsSsInfo.java
+++ b/telephony/java/android/telephony/ims/ImsSsInfo.java
@@ -173,7 +173,7 @@
     /**
      * Builds {@link ImsSsInfo} instances, which may include optional parameters.
      */
-    public static class Builder {
+    public static final class Builder {
 
         private final ImsSsInfo mImsSsInfo;
 
@@ -304,7 +304,7 @@
     /**
      * @return The Incoming Communication Barring (ICB) number.
      */
-    public String getIncomingCommunicationBarringNumber() {
+    public @Nullable String getIncomingCommunicationBarringNumber() {
         return mIcbNum;
     }
 
diff --git a/telephony/java/android/telephony/mbms/vendor/MbmsGroupCallServiceBase.java b/telephony/java/android/telephony/mbms/vendor/MbmsGroupCallServiceBase.java
index e86a47d..1335b52 100644
--- a/telephony/java/android/telephony/mbms/vendor/MbmsGroupCallServiceBase.java
+++ b/telephony/java/android/telephony/mbms/vendor/MbmsGroupCallServiceBase.java
@@ -16,6 +16,7 @@
 
 package android.telephony.mbms.vendor;
 
+import android.annotation.NonNull;
 import android.annotation.SystemApi;
 import android.annotation.TestApi;
 import android.app.Service;
@@ -187,7 +188,7 @@
      *
      * May throw an {@link IllegalArgumentException} or a {@link SecurityException}, which
      * will be intercepted and passed to the app as
-     * {@link MbmsErrors.InitializationErrors#ERROR_UNABLE_TO_INITIALIZE}
+     * {@link MbmsErrors.InitializationErrtrors#ERROR_UNABLE_TO_INITIALIZE}
      *
      * May return any value from {@link MbmsErrors.InitializationErrors}
      * or {@link MbmsErrors#SUCCESS}. Non-successful error codes will be passed to the app via
@@ -196,7 +197,7 @@
      * @param callback The callback to use to communicate with the app.
      * @param subscriptionId The subscription ID to use.
      */
-    public int initialize(MbmsGroupCallSessionCallback callback, int subscriptionId)
+    public int initialize(@NonNull MbmsGroupCallSessionCallback callback, int subscriptionId)
             throws RemoteException {
         throw new UnsupportedOperationException("Not implemented");
     }
@@ -215,8 +216,8 @@
      * @param callback The callback object on which the app wishes to receive updates.
      * @return Any error in {@link MbmsErrors.GeneralErrors}
      */
-    public int startGroupCall(int subscriptionId, long tmgi, List<Integer> saiList,
-            List<Integer> frequencyList, GroupCallCallback callback) {
+    public int startGroupCall(int subscriptionId, long tmgi, @NonNull List<Integer> saiList,
+            @NonNull List<Integer> frequencyList, @NonNull GroupCallCallback callback) {
         throw new UnsupportedOperationException("Not implemented");
     }
 
@@ -241,8 +242,8 @@
      * @param saiList New list of SAIs that the call is available on.
      * @param frequencyList New list of frequencies that the call is available on.
      */
-    public void updateGroupCall(int subscriptionId, long tmgi, List<Integer> saiList,
-            List<Integer> frequencyList) {
+    public void updateGroupCall(int subscriptionId, long tmgi, @NonNull List<Integer> saiList,
+            @NonNull List<Integer> frequencyList) {
         throw new UnsupportedOperationException("Not implemented");
     }
 
diff --git a/telephony/java/com/android/internal/telephony/ITelephony.aidl b/telephony/java/com/android/internal/telephony/ITelephony.aidl
index 3ca2449..3959244 100644
--- a/telephony/java/com/android/internal/telephony/ITelephony.aidl
+++ b/telephony/java/com/android/internal/telephony/ITelephony.aidl
@@ -700,13 +700,12 @@
     int getPreferredNetworkType(int subId);
 
     /**
-     * Check TETHER_DUN_REQUIRED and TETHER_DUN_APN settings, net.tethering.noprovisioning
-     * SystemProperty to decide whether DUN APN is required for
-     * tethering.
+     * Check whether DUN APN is required for tethering.
      *
-     * @return 0: Not required. 1: required. 2: Not set.
+     * @return {@code true} if DUN APN is required for tethering.
+     * @hide
      */
-    int getTetherApnRequired();
+    boolean getTetherApnRequired();
 
     /**
     * Enables framework IMS and triggers IMS Registration.
@@ -1671,7 +1670,7 @@
     /**
      * Modify the user's setting for whether or not 4G LTE is enabled.
      */
-    void setAdvancedCallingSetting(int subId, boolean isEnabled);
+    void setAdvancedCallingSettingEnabled(int subId, boolean isEnabled);
 
     /**
      * return true if the user's setting for VT is enabled for the subscription.
@@ -1681,7 +1680,7 @@
     /**
      * Modify the user's setting for whether or not VT is available for the subscrption specified.
      */
-    void setVtSetting(int subId, boolean isEnabled);
+    void setVtSettingEnabled(int subId, boolean isEnabled);
 
     /**
      * return true if the user's setting for whether or not Voice over WiFi is currently enabled.
@@ -1691,7 +1690,7 @@
     /**
      * sets the user's setting for Voice over WiFi enabled state.
      */
-    void setVoWiFiSetting(int subId, boolean isEnabled);
+    void setVoWiFiSettingEnabled(int subId, boolean isEnabled);
 
     /**
      * return true if the user's setting for Voice over WiFi while roaming is enabled.
@@ -1702,7 +1701,7 @@
      * Sets the user's preference for whether or not Voice over WiFi is enabled for the current
      * subscription while roaming.
      */
-    void setVoWiFiRoamingSetting(int subId, boolean isEnabled);
+    void setVoWiFiRoamingSettingEnabled(int subId, boolean isEnabled);
 
     /**
      * Set the Voice over WiFi enabled state, but do not persist the setting.
diff --git a/telephony/java/com/android/internal/telephony/PhoneConstants.java b/telephony/java/com/android/internal/telephony/PhoneConstants.java
index e87d28c..d5061a3 100644
--- a/telephony/java/com/android/internal/telephony/PhoneConstants.java
+++ b/telephony/java/com/android/internal/telephony/PhoneConstants.java
@@ -141,6 +141,8 @@
     /** APN type for Emergency PDN. This is not an IA apn, but is used
      * for access to carrier services in an emergency call situation. */
     public static final String APN_TYPE_EMERGENCY = "emergency";
+    /** APN type for Mission Critical Services */
+    public static final String APN_TYPE_MCX = "mcx";
     /** Array of all APN types */
     public static final String[] APN_TYPES = {APN_TYPE_DEFAULT,
             APN_TYPE_MMS,
@@ -151,7 +153,8 @@
             APN_TYPE_IMS,
             APN_TYPE_CBS,
             APN_TYPE_IA,
-            APN_TYPE_EMERGENCY
+            APN_TYPE_EMERGENCY,
+            APN_TYPE_MCX
     };
 
     public static final int RIL_CARD_MAX_APPS    = 8;
diff --git a/test-base/hiddenapi/Android.bp b/test-base/hiddenapi/Android.bp
new file mode 100644
index 0000000..c4e0fab
--- /dev/null
+++ b/test-base/hiddenapi/Android.bp
@@ -0,0 +1,29 @@
+//
+// Copyright (C) 2019 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+// Provided solely to contribute information about which hidden parts of the android.test.base
+// library are used by apps. The source files are stubs of the actual files in ../src which use the
+// UnsupportedAppUsage annotation to tag those methods that are accessible via the hiddenapi.
+// Relies on the convention that modules with name <x>-hiddenapi provide hiddenapi information for
+// module <x> that is on the bootclasspath.
+java_library {
+    name: "android.test.base-hiddenapi",
+    compile_dex: true,
+
+    srcs: ["src/**/*.java"],
+
+    libs: ["android.test.base"],
+}
diff --git a/test-base/hiddenapi/src/android/test/AndroidTestCase.java b/test-base/hiddenapi/src/android/test/AndroidTestCase.java
new file mode 100644
index 0000000..2b9beb1
--- /dev/null
+++ b/test-base/hiddenapi/src/android/test/AndroidTestCase.java
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.test;
+
+import android.annotation.UnsupportedAppUsage;
+import android.content.Context;
+
+import junit.framework.TestCase;
+
+/**
+ * @deprecated Stub only
+ */
+@SuppressWarnings({ "unchecked", "deprecation", "all" })
+@Deprecated
+public class AndroidTestCase extends TestCase {
+
+    /**
+     * Stub only
+     */
+    @UnsupportedAppUsage
+    public void setTestContext(Context context) {
+        throw new RuntimeException("Stub!");
+    }
+
+    /**
+     * Stub only
+     */
+    @UnsupportedAppUsage
+    public Context getTestContext() {
+        throw new RuntimeException("Stub!");
+    }
+}
diff --git a/test-base/hiddenapi/src/android/test/InstrumentationTestCase.java b/test-base/hiddenapi/src/android/test/InstrumentationTestCase.java
new file mode 100644
index 0000000..139cd18
--- /dev/null
+++ b/test-base/hiddenapi/src/android/test/InstrumentationTestCase.java
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.test;
+
+import android.annotation.UnsupportedAppUsage;
+
+import junit.framework.TestCase;
+
+import java.lang.reflect.Method;
+
+/**
+ * @deprecated Stub only
+ */
+@SuppressWarnings({ "unchecked", "deprecation", "all" })
+@Deprecated
+public class InstrumentationTestCase extends TestCase {
+
+    /**
+     * Stub only
+     */
+    @UnsupportedAppUsage
+    private void runMethod(Method runMethod, int tolerance) throws Throwable {
+        throw new RuntimeException("Stub!");
+    }
+}
diff --git a/test-base/hiddenapi/src/junit/framework/TestCase.java b/test-base/hiddenapi/src/junit/framework/TestCase.java
new file mode 100644
index 0000000..5a54861
--- /dev/null
+++ b/test-base/hiddenapi/src/junit/framework/TestCase.java
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package junit.framework;
+
+import android.annotation.UnsupportedAppUsage;
+
+/**
+ * Stub only
+ */
+@SuppressWarnings({ "unchecked", "deprecation", "all" })
+public abstract class TestCase extends Assert implements Test {
+
+    /**
+     * the name of the test case
+     */
+    @UnsupportedAppUsage
+    private String fName;
+
+    /**
+     * Stub only
+     */
+    public int countTestCases() {
+        throw new RuntimeException("Stub!");
+    }
+
+    /**
+     * Stub only
+     */
+    public void run(TestResult result) {
+        throw new RuntimeException("Stub!");
+    }
+}
diff --git a/test-base/hiddenapi/src/junit/framework/TestSuite.java b/test-base/hiddenapi/src/junit/framework/TestSuite.java
new file mode 100644
index 0000000..368c661
--- /dev/null
+++ b/test-base/hiddenapi/src/junit/framework/TestSuite.java
@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package junit.framework;
+
+import android.annotation.UnsupportedAppUsage;
+
+import java.lang.reflect.Method;
+
+/**
+ * Stub only
+ */
+@SuppressWarnings({ "unchecked", "deprecation", "all" })
+public class TestSuite implements Test {
+
+    /**
+     * Stub only
+     */
+    @UnsupportedAppUsage
+    private boolean isPublicTestMethod(Method m) {
+        throw new RuntimeException("Stub!");
+    }
+
+    /**
+     * Stub only
+     */
+    @UnsupportedAppUsage
+    private boolean isTestMethod(Method m) {
+        throw new RuntimeException("Stub!");
+    }
+
+    /**
+     * Stub only
+     */
+    public int countTestCases() {
+        throw new RuntimeException("Stub!");
+    }
+
+    /**
+     * Stub only
+     */
+    public void run(TestResult result) {
+        throw new RuntimeException("Stub!");
+    }
+}
diff --git a/tests/net/java/com/android/server/ConnectivityServiceTest.java b/tests/net/java/com/android/server/ConnectivityServiceTest.java
index 781c333..c25ad5f 100644
--- a/tests/net/java/com/android/server/ConnectivityServiceTest.java
+++ b/tests/net/java/com/android/server/ConnectivityServiceTest.java
@@ -125,6 +125,7 @@
 import android.net.NetworkRequest;
 import android.net.NetworkSpecifier;
 import android.net.NetworkStackClient;
+import android.net.NetworkState;
 import android.net.NetworkUtils;
 import android.net.ProxyInfo;
 import android.net.RouteInfo;
@@ -156,6 +157,7 @@
 import android.util.Log;
 
 import com.android.internal.net.VpnConfig;
+import com.android.internal.net.VpnInfo;
 import com.android.internal.util.ArrayUtils;
 import com.android.internal.util.WakeupMessage;
 import com.android.internal.util.test.BroadcastInterceptingContext;
@@ -4281,48 +4283,91 @@
         mCellNetworkAgent = new MockNetworkAgent(TRANSPORT_CELLULAR);
         mWiFiNetworkAgent = new MockNetworkAgent(TRANSPORT_WIFI);
 
-        Network[] onlyCell = new Network[]{mCellNetworkAgent.getNetwork()};
-        Network[] onlyWifi = new Network[]{mWiFiNetworkAgent.getNetwork()};
+        Network[] onlyCell = new Network[] {mCellNetworkAgent.getNetwork()};
+        Network[] onlyWifi = new Network[] {mWiFiNetworkAgent.getNetwork()};
+
+        LinkProperties cellLp = new LinkProperties();
+        cellLp.setInterfaceName(MOBILE_IFNAME);
+        LinkProperties wifiLp = new LinkProperties();
+        wifiLp.setInterfaceName(WIFI_IFNAME);
 
         // Simple connection should have updated ifaces
         mCellNetworkAgent.connect(false);
+        mCellNetworkAgent.sendLinkProperties(cellLp);
         waitForIdle();
-        verify(mStatsService, atLeastOnce()).forceUpdateIfaces(onlyCell);
+        verify(mStatsService, atLeastOnce())
+                .forceUpdateIfaces(
+                        eq(onlyCell),
+                        eq(new VpnInfo[0]),
+                        any(NetworkState[].class),
+                        eq(MOBILE_IFNAME));
         reset(mStatsService);
 
         // Default network switch should update ifaces.
         mWiFiNetworkAgent.connect(false);
+        mWiFiNetworkAgent.sendLinkProperties(wifiLp);
         waitForIdle();
-        verify(mStatsService, atLeastOnce()).forceUpdateIfaces(onlyWifi);
+        assertEquals(wifiLp, mService.getActiveLinkProperties());
+        verify(mStatsService, atLeastOnce())
+                .forceUpdateIfaces(
+                        eq(onlyWifi),
+                        eq(new VpnInfo[0]),
+                        any(NetworkState[].class),
+                        eq(WIFI_IFNAME));
         reset(mStatsService);
 
         // Disconnect should update ifaces.
         mWiFiNetworkAgent.disconnect();
         waitForIdle();
-        verify(mStatsService, atLeastOnce()).forceUpdateIfaces(onlyCell);
+        verify(mStatsService, atLeastOnce())
+                .forceUpdateIfaces(
+                        eq(onlyCell),
+                        eq(new VpnInfo[0]),
+                        any(NetworkState[].class),
+                        eq(MOBILE_IFNAME));
         reset(mStatsService);
 
         // Metered change should update ifaces
         mCellNetworkAgent.addCapability(NetworkCapabilities.NET_CAPABILITY_NOT_METERED);
         waitForIdle();
-        verify(mStatsService, atLeastOnce()).forceUpdateIfaces(onlyCell);
+        verify(mStatsService, atLeastOnce())
+                .forceUpdateIfaces(
+                        eq(onlyCell),
+                        eq(new VpnInfo[0]),
+                        any(NetworkState[].class),
+                        eq(MOBILE_IFNAME));
         reset(mStatsService);
 
         mCellNetworkAgent.removeCapability(NetworkCapabilities.NET_CAPABILITY_NOT_METERED);
         waitForIdle();
-        verify(mStatsService, atLeastOnce()).forceUpdateIfaces(onlyCell);
+        verify(mStatsService, atLeastOnce())
+                .forceUpdateIfaces(
+                        eq(onlyCell),
+                        eq(new VpnInfo[0]),
+                        any(NetworkState[].class),
+                        eq(MOBILE_IFNAME));
         reset(mStatsService);
 
         // Captive portal change shouldn't update ifaces
         mCellNetworkAgent.addCapability(NetworkCapabilities.NET_CAPABILITY_CAPTIVE_PORTAL);
         waitForIdle();
-        verify(mStatsService, never()).forceUpdateIfaces(onlyCell);
+        verify(mStatsService, never())
+                .forceUpdateIfaces(
+                        eq(onlyCell),
+                        eq(new VpnInfo[0]),
+                        any(NetworkState[].class),
+                        eq(MOBILE_IFNAME));
         reset(mStatsService);
 
         // Roaming change should update ifaces
         mCellNetworkAgent.addCapability(NetworkCapabilities.NET_CAPABILITY_NOT_ROAMING);
         waitForIdle();
-        verify(mStatsService, atLeastOnce()).forceUpdateIfaces(onlyCell);
+        verify(mStatsService, atLeastOnce())
+                .forceUpdateIfaces(
+                        eq(onlyCell),
+                        eq(new VpnInfo[0]),
+                        any(NetworkState[].class),
+                        eq(MOBILE_IFNAME));
         reset(mStatsService);
     }
 
diff --git a/tests/net/java/com/android/server/connectivity/tethering/TetheringConfigurationTest.java b/tests/net/java/com/android/server/connectivity/tethering/TetheringConfigurationTest.java
index 01b904d8..f8cfd8f 100644
--- a/tests/net/java/com/android/server/connectivity/tethering/TetheringConfigurationTest.java
+++ b/tests/net/java/com/android/server/connectivity/tethering/TetheringConfigurationTest.java
@@ -24,9 +24,7 @@
 import static android.provider.Settings.Global.TETHER_ENABLE_LEGACY_DHCP_SERVER;
 import static android.telephony.SubscriptionManager.INVALID_SUBSCRIPTION_ID;
 
-import static com.android.server.connectivity.tethering.TetheringConfiguration.DUN_NOT_REQUIRED;
-import static com.android.server.connectivity.tethering.TetheringConfiguration.DUN_REQUIRED;
-import static com.android.server.connectivity.tethering.TetheringConfiguration.DUN_UNSPECIFIED;
+import static com.android.internal.R.array.config_tether_upstream_types;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
@@ -52,6 +50,7 @@
 import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
 
+import java.util.Arrays;
 import java.util.Iterator;
 
 @RunWith(AndroidJUnit4.class)
@@ -112,74 +111,103 @@
                 .thenReturn(new String[]{ "test_wlan\\d" });
         when(mResources.getStringArray(com.android.internal.R.array.config_tether_bluetooth_regexs))
                 .thenReturn(new String[0]);
-        when(mResources.getIntArray(com.android.internal.R.array.config_tether_upstream_types))
-                .thenReturn(new int[0]);
+        when(mResources.getIntArray(config_tether_upstream_types)).thenReturn(new int[0]);
         when(mResources.getStringArray(
                 com.android.internal.R.array.config_mobile_hotspot_provision_app))
                 .thenReturn(new String[0]);
         mContentResolver = new MockContentResolver();
         mContentResolver.addProvider(Settings.AUTHORITY, new FakeSettingsProvider());
+        mHasTelephonyManager = true;
         mMockContext = new MockContext(mContext);
     }
 
+    private TetheringConfiguration getTetheringConfiguration(int[] legacyTetherUpstreamTypes) {
+        when(mResources.getIntArray(config_tether_upstream_types)).thenReturn(
+                legacyTetherUpstreamTypes);
+        return new TetheringConfiguration(mMockContext, mLog, INVALID_SUBSCRIPTION_ID);
+    }
+
+    @Test
+    public void testNoTelephonyManagerMeansNoDun() {
+        mHasTelephonyManager = false;
+        final TetheringConfiguration cfg = getTetheringConfiguration(
+                new int[]{TYPE_MOBILE_DUN, TYPE_WIFI});
+        assertFalse(cfg.isDunRequired);
+        assertFalse(cfg.preferredUpstreamIfaceTypes.contains(TYPE_MOBILE_DUN));
+        // Just to prove we haven't clobbered Wi-Fi:
+        assertTrue(cfg.preferredUpstreamIfaceTypes.contains(TYPE_WIFI));
+    }
+
     @Test
     public void testDunFromTelephonyManagerMeansDun() {
-        when(mResources.getIntArray(com.android.internal.R.array.config_tether_upstream_types))
-                .thenReturn(new int[]{TYPE_MOBILE, TYPE_WIFI, TYPE_MOBILE_HIPRI});
-        mHasTelephonyManager = true;
-        when(mTelephonyManager.getTetherApnRequired()).thenReturn(DUN_REQUIRED);
+        when(mTelephonyManager.getTetherApnRequired()).thenReturn(true);
 
-        final TetheringConfiguration cfg = new TetheringConfiguration(
-                mMockContext, mLog, INVALID_SUBSCRIPTION_ID);
-        assertTrue(cfg.isDunRequired);
-        assertTrue(cfg.preferredUpstreamIfaceTypes.contains(TYPE_MOBILE_DUN));
-        assertFalse(cfg.preferredUpstreamIfaceTypes.contains(TYPE_MOBILE));
-        assertFalse(cfg.preferredUpstreamIfaceTypes.contains(TYPE_MOBILE_HIPRI));
-        // Just to prove we haven't clobbered Wi-Fi:
-        assertTrue(cfg.preferredUpstreamIfaceTypes.contains(TYPE_WIFI));
+        final TetheringConfiguration cfgWifi = getTetheringConfiguration(new int[]{TYPE_WIFI});
+        final TetheringConfiguration cfgMobileWifiHipri = getTetheringConfiguration(
+                new int[]{TYPE_MOBILE, TYPE_WIFI, TYPE_MOBILE_HIPRI});
+        final TetheringConfiguration cfgWifiDun = getTetheringConfiguration(
+                new int[]{TYPE_WIFI, TYPE_MOBILE_DUN});
+        final TetheringConfiguration cfgMobileWifiHipriDun = getTetheringConfiguration(
+                new int[]{TYPE_MOBILE, TYPE_WIFI, TYPE_MOBILE_HIPRI, TYPE_MOBILE_DUN});
+
+        for (TetheringConfiguration cfg : Arrays.asList(cfgWifi, cfgMobileWifiHipri,
+                cfgWifiDun, cfgMobileWifiHipriDun)) {
+            String msg = "config=" + cfg.toString();
+            assertTrue(msg, cfg.isDunRequired);
+            assertTrue(msg, cfg.preferredUpstreamIfaceTypes.contains(TYPE_MOBILE_DUN));
+            assertFalse(msg, cfg.preferredUpstreamIfaceTypes.contains(TYPE_MOBILE));
+            assertFalse(msg, cfg.preferredUpstreamIfaceTypes.contains(TYPE_MOBILE_HIPRI));
+            // Just to prove we haven't clobbered Wi-Fi:
+            assertTrue(msg, cfg.preferredUpstreamIfaceTypes.contains(TYPE_WIFI));
+        }
     }
 
     @Test
     public void testDunNotRequiredFromTelephonyManagerMeansNoDun() {
-        when(mResources.getIntArray(com.android.internal.R.array.config_tether_upstream_types))
-                .thenReturn(new int[]{TYPE_MOBILE_DUN, TYPE_WIFI});
-        mHasTelephonyManager = true;
-        when(mTelephonyManager.getTetherApnRequired()).thenReturn(DUN_NOT_REQUIRED);
+        when(mTelephonyManager.getTetherApnRequired()).thenReturn(false);
 
-        final TetheringConfiguration cfg = new TetheringConfiguration(
-                mMockContext, mLog, INVALID_SUBSCRIPTION_ID);
-        assertFalse(cfg.isDunRequired);
-        assertFalse(cfg.preferredUpstreamIfaceTypes.contains(TYPE_MOBILE_DUN));
-        assertTrue(cfg.preferredUpstreamIfaceTypes.contains(TYPE_MOBILE));
-        assertTrue(cfg.preferredUpstreamIfaceTypes.contains(TYPE_MOBILE_HIPRI));
-        // Just to prove we haven't clobbered Wi-Fi:
-        assertTrue(cfg.preferredUpstreamIfaceTypes.contains(TYPE_WIFI));
-    }
+        final TetheringConfiguration cfgWifi = getTetheringConfiguration(new int[]{TYPE_WIFI});
+        final TetheringConfiguration cfgMobileWifiHipri = getTetheringConfiguration(
+                new int[]{TYPE_MOBILE, TYPE_WIFI, TYPE_MOBILE_HIPRI});
+        final TetheringConfiguration cfgWifiDun = getTetheringConfiguration(
+                new int[]{TYPE_WIFI, TYPE_MOBILE_DUN});
+        final TetheringConfiguration cfgWifiMobile = getTetheringConfiguration(
+                new int[]{TYPE_WIFI, TYPE_MOBILE});
+        final TetheringConfiguration cfgWifiHipri = getTetheringConfiguration(
+                new int[]{TYPE_WIFI, TYPE_MOBILE_HIPRI});
+        final TetheringConfiguration cfgMobileWifiHipriDun = getTetheringConfiguration(
+                new int[]{TYPE_MOBILE, TYPE_WIFI, TYPE_MOBILE_HIPRI, TYPE_MOBILE_DUN});
 
-    @Test
-    public void testDunFromUpstreamConfigMeansDun() {
-        when(mResources.getIntArray(com.android.internal.R.array.config_tether_upstream_types))
-                .thenReturn(new int[]{TYPE_MOBILE_DUN, TYPE_WIFI});
-        mHasTelephonyManager = false;
-        when(mTelephonyManager.getTetherApnRequired()).thenReturn(DUN_UNSPECIFIED);
+        String msg;
+        // TYPE_MOBILE_DUN should not be present in all of the combinations.
+        // TYPE_WIFI should not be affected.
+        for (TetheringConfiguration cfg : Arrays.asList(cfgWifi, cfgMobileWifiHipri, cfgWifiDun,
+                cfgWifiMobile, cfgWifiHipri, cfgMobileWifiHipriDun)) {
+            msg = "config=" + cfg.toString();
+            assertFalse(msg, cfg.isDunRequired);
+            assertFalse(msg, cfg.preferredUpstreamIfaceTypes.contains(TYPE_MOBILE_DUN));
+            assertTrue(msg, cfg.preferredUpstreamIfaceTypes.contains(TYPE_WIFI));
+        }
 
-        final TetheringConfiguration cfg = new TetheringConfiguration(
-                mMockContext, mLog, INVALID_SUBSCRIPTION_ID);
-        assertTrue(cfg.isDunRequired);
-        assertTrue(cfg.preferredUpstreamIfaceTypes.contains(TYPE_MOBILE_DUN));
-        // Just to prove we haven't clobbered Wi-Fi:
-        assertTrue(cfg.preferredUpstreamIfaceTypes.contains(TYPE_WIFI));
-        // Check that we have not added new cellular interface types
-        assertFalse(cfg.preferredUpstreamIfaceTypes.contains(TYPE_MOBILE));
-        assertFalse(cfg.preferredUpstreamIfaceTypes.contains(TYPE_MOBILE_HIPRI));
+        for (TetheringConfiguration cfg : Arrays.asList(cfgWifi, cfgMobileWifiHipri, cfgWifiDun,
+                cfgMobileWifiHipriDun)) {
+            msg = "config=" + cfg.toString();
+            assertTrue(msg, cfg.preferredUpstreamIfaceTypes.contains(TYPE_MOBILE));
+            assertTrue(msg, cfg.preferredUpstreamIfaceTypes.contains(TYPE_MOBILE_HIPRI));
+        }
+        msg = "config=" + cfgWifiMobile.toString();
+        assertTrue(msg, cfgWifiMobile.preferredUpstreamIfaceTypes.contains(TYPE_MOBILE));
+        assertFalse(msg, cfgWifiMobile.preferredUpstreamIfaceTypes.contains(TYPE_MOBILE_HIPRI));
+        msg = "config=" + cfgWifiHipri.toString();
+        assertFalse(msg, cfgWifiHipri.preferredUpstreamIfaceTypes.contains(TYPE_MOBILE));
+        assertTrue(msg, cfgWifiHipri.preferredUpstreamIfaceTypes.contains(TYPE_MOBILE_HIPRI));
+
     }
 
     @Test
     public void testNoDefinedUpstreamTypesAddsEthernet() {
-        when(mResources.getIntArray(com.android.internal.R.array.config_tether_upstream_types))
-                .thenReturn(new int[]{});
-        mHasTelephonyManager = false;
-        when(mTelephonyManager.getTetherApnRequired()).thenReturn(DUN_UNSPECIFIED);
+        when(mResources.getIntArray(config_tether_upstream_types)).thenReturn(new int[]{});
+        when(mTelephonyManager.getTetherApnRequired()).thenReturn(false);
 
         final TetheringConfiguration cfg = new TetheringConfiguration(
                 mMockContext, mLog, INVALID_SUBSCRIPTION_ID);
@@ -187,8 +215,10 @@
         assertTrue(upstreamIterator.hasNext());
         assertEquals(TYPE_ETHERNET, upstreamIterator.next().intValue());
         // The following is because the code always adds some kind of mobile
-        // upstream, be it DUN or, in this case where we use DUN_UNSPECIFIED,
-        // both vanilla and hipri mobile types.
+        // upstream, be it DUN or, in this case where DUN is NOT required,
+        // make sure there is at least one of MOBILE or HIPRI. With the empty
+        // list of the configuration in this test, it will always add both
+        // MOBILE and HIPRI, in that order.
         assertTrue(upstreamIterator.hasNext());
         assertEquals(TYPE_MOBILE, upstreamIterator.next().intValue());
         assertTrue(upstreamIterator.hasNext());
@@ -198,10 +228,9 @@
 
     @Test
     public void testDefinedUpstreamTypesSansEthernetAddsEthernet() {
-        when(mResources.getIntArray(com.android.internal.R.array.config_tether_upstream_types))
-                .thenReturn(new int[]{TYPE_WIFI, TYPE_MOBILE_HIPRI});
-        mHasTelephonyManager = false;
-        when(mTelephonyManager.getTetherApnRequired()).thenReturn(DUN_UNSPECIFIED);
+        when(mResources.getIntArray(config_tether_upstream_types)).thenReturn(
+                new int[]{TYPE_WIFI, TYPE_MOBILE_HIPRI});
+        when(mTelephonyManager.getTetherApnRequired()).thenReturn(false);
 
         final TetheringConfiguration cfg = new TetheringConfiguration(
                 mMockContext, mLog, INVALID_SUBSCRIPTION_ID);
@@ -217,10 +246,9 @@
 
     @Test
     public void testDefinedUpstreamTypesWithEthernetDoesNotAddEthernet() {
-        when(mResources.getIntArray(com.android.internal.R.array.config_tether_upstream_types))
+        when(mResources.getIntArray(config_tether_upstream_types))
                 .thenReturn(new int[]{TYPE_WIFI, TYPE_ETHERNET, TYPE_MOBILE_HIPRI});
-        mHasTelephonyManager = false;
-        when(mTelephonyManager.getTetherApnRequired()).thenReturn(DUN_UNSPECIFIED);
+        when(mTelephonyManager.getTetherApnRequired()).thenReturn(false);
 
         final TetheringConfiguration cfg = new TetheringConfiguration(
                 mMockContext, mLog, INVALID_SUBSCRIPTION_ID);
@@ -276,9 +304,7 @@
         when(mResourcesForSubId.getStringArray(
                 com.android.internal.R.array.config_tether_bluetooth_regexs))
                 .thenReturn(new String[0]);
-        when(mResourcesForSubId.getIntArray(
-                com.android.internal.R.array.config_tether_upstream_types))
-                .thenReturn(new int[0]);
+        when(mResourcesForSubId.getIntArray(config_tether_upstream_types)).thenReturn(new int[0]);
         when(mResourcesForSubId.getStringArray(
                 com.android.internal.R.array.config_mobile_hotspot_provision_app))
                 .thenReturn(PROVISIONING_APP_NAME);
diff --git a/tests/net/java/com/android/server/net/NetworkStatsServiceTest.java b/tests/net/java/com/android/server/net/NetworkStatsServiceTest.java
index f89f303..d91d3eb 100644
--- a/tests/net/java/com/android/server/net/NetworkStatsServiceTest.java
+++ b/tests/net/java/com/android/server/net/NetworkStatsServiceTest.java
@@ -70,7 +70,6 @@
 import android.content.Context;
 import android.content.Intent;
 import android.net.DataUsageRequest;
-import android.net.IConnectivityManager;
 import android.net.INetworkManagementEventObserver;
 import android.net.INetworkStatsSession;
 import android.net.LinkProperties;
@@ -163,7 +162,6 @@
 
     private @Mock INetworkManagementService mNetManager;
     private @Mock NetworkStatsSettings mSettings;
-    private @Mock IConnectivityManager mConnManager;
     private @Mock IBinder mBinder;
     private @Mock AlarmManager mAlarmManager;
     private HandlerThread mHandlerThread;
@@ -205,7 +203,6 @@
         Handler.Callback callback = new NetworkStatsService.HandlerCallback(mService);
         mHandler = new Handler(mHandlerThread.getLooper(), callback);
         mService.setHandler(mHandler, callback);
-        mService.bindConnectivityManager(mConnManager);
 
         mElapsedRealtime = 0L;
 
@@ -234,7 +231,6 @@
 
         mNetManager = null;
         mSettings = null;
-        mConnManager = null;
 
         mSession.close();
         mService = null;
@@ -245,12 +241,12 @@
         // pretend that wifi network comes online; service should ask about full
         // network state, and poll any existing interfaces before updating.
         expectDefaultSettings();
-        expectNetworkState(buildWifiState());
+        NetworkState[] states = new NetworkState[] {buildWifiState()};
         expectNetworkStatsSummary(buildEmptyStats());
         expectNetworkStatsUidDetail(buildEmptyStats());
         expectBandwidthControlCheck();
 
-        mService.forceUpdateIfaces(NETWORKS_WIFI);
+        mService.forceUpdateIfaces(NETWORKS_WIFI, new VpnInfo[0], states, getActiveIface(states));
 
         // verify service has empty history for wifi
         assertNetworkTotal(sTemplateWifi, 0L, 0L, 0L, 0L, 0);
@@ -289,12 +285,12 @@
         // pretend that wifi network comes online; service should ask about full
         // network state, and poll any existing interfaces before updating.
         expectDefaultSettings();
-        expectNetworkState(buildWifiState());
+        NetworkState[] states = new NetworkState[] {buildWifiState()};
         expectNetworkStatsSummary(buildEmptyStats());
         expectNetworkStatsUidDetail(buildEmptyStats());
         expectBandwidthControlCheck();
 
-        mService.forceUpdateIfaces(NETWORKS_WIFI);
+        mService.forceUpdateIfaces(NETWORKS_WIFI, new VpnInfo[0], states, getActiveIface(states));
 
         // verify service has empty history for wifi
         assertNetworkTotal(sTemplateWifi, 0L, 0L, 0L, 0L, 0);
@@ -363,12 +359,12 @@
         // pretend that wifi network comes online; service should ask about full
         // network state, and poll any existing interfaces before updating.
         expectSettings(0L, HOUR_IN_MILLIS, WEEK_IN_MILLIS);
-        expectNetworkState(buildWifiState());
+        NetworkState[] states = new NetworkState[] {buildWifiState()};
         expectNetworkStatsSummary(buildEmptyStats());
         expectNetworkStatsUidDetail(buildEmptyStats());
         expectBandwidthControlCheck();
 
-        mService.forceUpdateIfaces(NETWORKS_WIFI);
+        mService.forceUpdateIfaces(NETWORKS_WIFI, new VpnInfo[0], states, getActiveIface(states));
 
 
         // modify some number on wifi, and trigger poll event
@@ -405,12 +401,12 @@
     public void testUidStatsAcrossNetworks() throws Exception {
         // pretend first mobile network comes online
         expectDefaultSettings();
-        expectNetworkState(buildMobile3gState(IMSI_1));
+        NetworkState[] states = new NetworkState[] {buildMobile3gState(IMSI_1)};
         expectNetworkStatsSummary(buildEmptyStats());
         expectNetworkStatsUidDetail(buildEmptyStats());
         expectBandwidthControlCheck();
 
-        mService.forceUpdateIfaces(NETWORKS_MOBILE);
+        mService.forceUpdateIfaces(NETWORKS_MOBILE, new VpnInfo[0], states, getActiveIface(states));
 
 
         // create some traffic on first network
@@ -437,7 +433,7 @@
         // disappearing, to verify we don't count backwards.
         incrementCurrentTime(HOUR_IN_MILLIS);
         expectDefaultSettings();
-        expectNetworkState(buildMobile3gState(IMSI_2));
+        states = new NetworkState[] {buildMobile3gState(IMSI_2)};
         expectNetworkStatsSummary(new NetworkStats(getElapsedRealtime(), 1)
                 .addIfaceValues(TEST_IFACE, 2048L, 16L, 512L, 4L));
         expectNetworkStatsUidDetail(new NetworkStats(getElapsedRealtime(), 3)
@@ -446,7 +442,7 @@
                 .addValues(TEST_IFACE, UID_BLUE, SET_DEFAULT, TAG_NONE, 512L, 4L, 0L, 0L, 0L));
         expectBandwidthControlCheck();
 
-        mService.forceUpdateIfaces(NETWORKS_MOBILE);
+        mService.forceUpdateIfaces(NETWORKS_MOBILE, new VpnInfo[0], states, getActiveIface(states));
         forcePollAndWaitForIdle();
 
 
@@ -481,12 +477,12 @@
     public void testUidRemovedIsMoved() throws Exception {
         // pretend that network comes online
         expectDefaultSettings();
-        expectNetworkState(buildWifiState());
+        NetworkState[] states = new NetworkState[] {buildWifiState()};
         expectNetworkStatsSummary(buildEmptyStats());
         expectNetworkStatsUidDetail(buildEmptyStats());
         expectBandwidthControlCheck();
 
-        mService.forceUpdateIfaces(NETWORKS_WIFI);
+        mService.forceUpdateIfaces(NETWORKS_WIFI, new VpnInfo[0], states, getActiveIface(states));
 
 
         // create some traffic
@@ -540,12 +536,12 @@
     public void testUid3g4gCombinedByTemplate() throws Exception {
         // pretend that network comes online
         expectDefaultSettings();
-        expectNetworkState(buildMobile3gState(IMSI_1));
+        NetworkState[] states = new NetworkState[] {buildMobile3gState(IMSI_1)};
         expectNetworkStatsSummary(buildEmptyStats());
         expectNetworkStatsUidDetail(buildEmptyStats());
         expectBandwidthControlCheck();
 
-        mService.forceUpdateIfaces(NETWORKS_MOBILE);
+        mService.forceUpdateIfaces(NETWORKS_MOBILE, new VpnInfo[0], states, getActiveIface(states));
 
 
         // create some traffic
@@ -566,14 +562,14 @@
         // now switch over to 4g network
         incrementCurrentTime(HOUR_IN_MILLIS);
         expectDefaultSettings();
-        expectNetworkState(buildMobile4gState(TEST_IFACE2));
+        states = new NetworkState[] {buildMobile4gState(TEST_IFACE2)};
         expectNetworkStatsSummary(buildEmptyStats());
         expectNetworkStatsUidDetail(new NetworkStats(getElapsedRealtime(), 1)
                 .addValues(TEST_IFACE, UID_RED, SET_DEFAULT, TAG_NONE, 1024L, 8L, 1024L, 8L, 0L)
                 .addValues(TEST_IFACE, UID_RED, SET_DEFAULT, 0xF00D, 512L, 4L, 512L, 4L, 0L));
         expectBandwidthControlCheck();
 
-        mService.forceUpdateIfaces(NETWORKS_MOBILE);
+        mService.forceUpdateIfaces(NETWORKS_MOBILE, new VpnInfo[0], states, getActiveIface(states));
         forcePollAndWaitForIdle();
 
 
@@ -598,12 +594,12 @@
     public void testSummaryForAllUid() throws Exception {
         // pretend that network comes online
         expectDefaultSettings();
-        expectNetworkState(buildWifiState());
+        NetworkState[] states = new NetworkState[] {buildWifiState()};
         expectNetworkStatsSummary(buildEmptyStats());
         expectNetworkStatsUidDetail(buildEmptyStats());
         expectBandwidthControlCheck();
 
-        mService.forceUpdateIfaces(NETWORKS_WIFI);
+        mService.forceUpdateIfaces(NETWORKS_WIFI, new VpnInfo[0], states, getActiveIface(states));
 
 
         // create some traffic for two apps
@@ -657,12 +653,12 @@
     public void testDetailedUidStats() throws Exception {
         // pretend that network comes online
         expectDefaultSettings();
-        expectNetworkState(buildWifiState());
+        NetworkState[] states = new NetworkState[] {buildWifiState()};
         expectNetworkStatsSummary(buildEmptyStats());
         expectNetworkStatsUidDetail(buildEmptyStats());
         expectBandwidthControlCheck();
 
-        mService.forceUpdateIfaces(NETWORKS_WIFI);
+        mService.forceUpdateIfaces(NETWORKS_WIFI, new VpnInfo[0], states, getActiveIface(states));
 
         NetworkStats.Entry entry1 = new NetworkStats.Entry(
                 TEST_IFACE, UID_RED, SET_DEFAULT, TAG_NONE, 50L, 5L, 50L, 5L, 0L);
@@ -700,13 +696,13 @@
         stackedProp.setInterfaceName(stackedIface);
         final NetworkState wifiState = buildWifiState();
         wifiState.linkProperties.addStackedLink(stackedProp);
-        expectNetworkState(wifiState);
+        NetworkState[] states = new NetworkState[] {wifiState};
 
         expectNetworkStatsSummary(buildEmptyStats());
         expectNetworkStatsUidDetail(buildEmptyStats());
         expectBandwidthControlCheck();
 
-        mService.forceUpdateIfaces(NETWORKS_WIFI);
+        mService.forceUpdateIfaces(NETWORKS_WIFI, new VpnInfo[0], states, getActiveIface(states));
 
         NetworkStats.Entry uidStats = new NetworkStats.Entry(
                 TEST_IFACE, UID_BLUE, SET_DEFAULT, 0xF00D, 1024L, 8L, 512L, 4L, 0L);
@@ -745,12 +741,12 @@
     public void testForegroundBackground() throws Exception {
         // pretend that network comes online
         expectDefaultSettings();
-        expectNetworkState(buildWifiState());
+        NetworkState[] states = new NetworkState[] {buildWifiState()};
         expectNetworkStatsSummary(buildEmptyStats());
         expectNetworkStatsUidDetail(buildEmptyStats());
         expectBandwidthControlCheck();
 
-        mService.forceUpdateIfaces(NETWORKS_WIFI);
+        mService.forceUpdateIfaces(NETWORKS_WIFI, new VpnInfo[0], states, getActiveIface(states));
 
 
         // create some initial traffic
@@ -803,12 +799,12 @@
     public void testMetered() throws Exception {
         // pretend that network comes online
         expectDefaultSettings();
-        expectNetworkState(buildWifiState(true /* isMetered */));
+        NetworkState[] states = new NetworkState[] {buildWifiState(true /* isMetered */)};
         expectNetworkStatsSummary(buildEmptyStats());
         expectNetworkStatsUidDetail(buildEmptyStats());
         expectBandwidthControlCheck();
 
-        mService.forceUpdateIfaces(NETWORKS_WIFI);
+        mService.forceUpdateIfaces(NETWORKS_WIFI, new VpnInfo[0], states, getActiveIface(states));
 
 
         // create some initial traffic
@@ -843,12 +839,13 @@
     public void testRoaming() throws Exception {
         // pretend that network comes online
         expectDefaultSettings();
-        expectNetworkState(buildMobile3gState(IMSI_1, true /* isRoaming */));
+        NetworkState[] states =
+            new NetworkState[] {buildMobile3gState(IMSI_1, true /* isRoaming */)};
         expectNetworkStatsSummary(buildEmptyStats());
         expectNetworkStatsUidDetail(buildEmptyStats());
         expectBandwidthControlCheck();
 
-        mService.forceUpdateIfaces(NETWORKS_MOBILE);
+        mService.forceUpdateIfaces(NETWORKS_MOBILE, new VpnInfo[0], states, getActiveIface(states));
 
 
         // Create some traffic
@@ -882,12 +879,12 @@
     public void testTethering() throws Exception {
         // pretend first mobile network comes online
         expectDefaultSettings();
-        expectNetworkState(buildMobile3gState(IMSI_1));
+        NetworkState[] states = new NetworkState[] {buildMobile3gState(IMSI_1)};
         expectNetworkStatsSummary(buildEmptyStats());
         expectNetworkStatsUidDetail(buildEmptyStats());
         expectBandwidthControlCheck();
 
-        mService.forceUpdateIfaces(NETWORKS_MOBILE);
+        mService.forceUpdateIfaces(NETWORKS_MOBILE, new VpnInfo[0], states, getActiveIface(states));
 
 
         // create some tethering traffic
@@ -925,12 +922,12 @@
         // pretend that wifi network comes online; service should ask about full
         // network state, and poll any existing interfaces before updating.
         expectDefaultSettings();
-        expectNetworkState(buildWifiState());
+        NetworkState[] states = new NetworkState[] {buildWifiState()};
         expectNetworkStatsSummary(buildEmptyStats());
         expectNetworkStatsUidDetail(buildEmptyStats());
         expectBandwidthControlCheck();
 
-        mService.forceUpdateIfaces(NETWORKS_WIFI);
+        mService.forceUpdateIfaces(NETWORKS_WIFI, new VpnInfo[0], states, getActiveIface(states));
 
         // verify service has empty history for wifi
         assertNetworkTotal(sTemplateWifi, 0L, 0L, 0L, 0L, 0);
@@ -1077,11 +1074,11 @@
         expectBandwidthControlCheck();
     }
 
-    private void expectNetworkState(NetworkState... state) throws Exception {
-        when(mConnManager.getAllNetworkState()).thenReturn(state);
-
-        final LinkProperties linkProp = state.length > 0 ? state[0].linkProperties : null;
-        when(mConnManager.getActiveLinkProperties()).thenReturn(linkProp);
+    private String getActiveIface(NetworkState... states) throws Exception {
+        if (states == null || states.length == 0 || states[0].linkProperties == null) {
+            return null;
+        }
+        return states[0].linkProperties.getInterfaceName();
     }
 
     private void expectNetworkStatsSummary(NetworkStats summary) throws Exception {
@@ -1090,8 +1087,6 @@
 
     private void expectNetworkStatsSummary(NetworkStats summary, NetworkStats tetherStats)
             throws Exception {
-        when(mConnManager.getAllVpnInfo()).thenReturn(new VpnInfo[0]);
-
         expectNetworkStatsTethering(STATS_PER_IFACE, tetherStats);
         expectNetworkStatsSummaryDev(summary.clone());
         expectNetworkStatsSummaryXt(summary.clone());
diff --git a/tests/testables/Android.bp b/tests/testables/Android.bp
index f07f09d..0bad7a4 100644
--- a/tests/testables/Android.bp
+++ b/tests/testables/Android.bp
@@ -25,7 +25,7 @@
     libs: [
         "android.test.runner",
         "android.test.mock",
-        "android-support-test",
+        "androidx.test.rules",
         "mockito-target-inline-minus-junit4",
     ],
 
diff --git a/tests/testables/src/android/testing/AndroidTestingRunner.java b/tests/testables/src/android/testing/AndroidTestingRunner.java
index cf5d4cf..0375220 100644
--- a/tests/testables/src/android/testing/AndroidTestingRunner.java
+++ b/tests/testables/src/android/testing/AndroidTestingRunner.java
@@ -14,13 +14,13 @@
 
 package android.testing;
 
-import android.support.test.internal.runner.junit4.statement.RunAfters;
-import android.support.test.internal.runner.junit4.statement.RunBefores;
-import android.support.test.internal.runner.junit4.statement.UiThreadStatement;
-
 import android.testing.TestableLooper.LooperFrameworkMethod;
 import android.testing.TestableLooper.RunWithLooper;
 
+import androidx.test.internal.runner.junit4.statement.RunAfters;
+import androidx.test.internal.runner.junit4.statement.RunBefores;
+import androidx.test.internal.runner.junit4.statement.UiThreadStatement;
+
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
diff --git a/tests/testables/src/android/testing/BaseFragmentTest.java b/tests/testables/src/android/testing/BaseFragmentTest.java
index 5fa065a..c76b93c 100644
--- a/tests/testables/src/android/testing/BaseFragmentTest.java
+++ b/tests/testables/src/android/testing/BaseFragmentTest.java
@@ -24,13 +24,14 @@
 import android.graphics.PixelFormat;
 import android.os.Handler;
 import android.os.Parcelable;
-import android.support.test.InstrumentationRegistry;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.WindowManager;
 import android.view.WindowManager.LayoutParams;
 import android.widget.FrameLayout;
 
+import androidx.test.InstrumentationRegistry;
+
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Rule;
diff --git a/tests/testables/src/android/testing/TestableInstrumentation.java b/tests/testables/src/android/testing/TestableInstrumentation.java
index 3207b48..f586206 100644
--- a/tests/testables/src/android/testing/TestableInstrumentation.java
+++ b/tests/testables/src/android/testing/TestableInstrumentation.java
@@ -19,9 +19,10 @@
 import android.os.Looper;
 import android.os.Message;
 import android.os.TestLooperManager;
-import android.support.test.runner.AndroidJUnitRunner;
 import android.util.Log;
 
+import androidx.test.runner.AndroidJUnitRunner;
+
 import java.util.ArrayList;
 
 /**
diff --git a/tests/testables/src/android/testing/TestableLooper.java b/tests/testables/src/android/testing/TestableLooper.java
index f8d223a..cec8b4b 100644
--- a/tests/testables/src/android/testing/TestableLooper.java
+++ b/tests/testables/src/android/testing/TestableLooper.java
@@ -20,9 +20,10 @@
 import android.os.Message;
 import android.os.MessageQueue;
 import android.os.TestLooperManager;
-import android.support.test.InstrumentationRegistry;
 import android.util.ArrayMap;
 
+import androidx.test.InstrumentationRegistry;
+
 import org.junit.runners.model.FrameworkMethod;
 
 import java.lang.annotation.ElementType;
diff --git a/tests/testables/src/android/testing/ViewUtils.java b/tests/testables/src/android/testing/ViewUtils.java
index 1c6016e..80c2e8d 100644
--- a/tests/testables/src/android/testing/ViewUtils.java
+++ b/tests/testables/src/android/testing/ViewUtils.java
@@ -16,7 +16,6 @@
 
 import android.content.pm.ApplicationInfo;
 import android.graphics.PixelFormat;
-import android.support.test.InstrumentationRegistry;
 import android.view.View;
 import android.view.WindowManager;
 import android.view.WindowManager.LayoutParams;
diff --git a/tests/testables/tests/Android.mk b/tests/testables/tests/Android.mk
index 79469e3..16fbb18 100644
--- a/tests/testables/tests/Android.mk
+++ b/tests/testables/tests/Android.mk
@@ -27,7 +27,7 @@
 LOCAL_RESOURCE_DIR := $(LOCAL_PATH)/res
 
 LOCAL_STATIC_JAVA_LIBRARIES := \
-    android-support-test \
+    androidx.test.rules hamcrest-library \
     mockito-target-inline-minus-junit4 \
 	testables
 
diff --git a/tests/testables/tests/AndroidManifest.xml b/tests/testables/tests/AndroidManifest.xml
index 61f0be6..2bfb04f 100644
--- a/tests/testables/tests/AndroidManifest.xml
+++ b/tests/testables/tests/AndroidManifest.xml
@@ -25,7 +25,7 @@
         <uses-library android:name="android.test.runner" />
     </application>
 
-    <instrumentation android:name="android.support.test.runner.AndroidJUnitRunner"
+    <instrumentation android:name="androidx.test.runner.AndroidJUnitRunner"
         android:targetPackage="com.android.testables"
         android:label="Tests for Testables">
     </instrumentation>
diff --git a/tests/testables/tests/src/android/testing/DexmakerShareClassLoaderRuleTest.java b/tests/testables/tests/src/android/testing/DexmakerShareClassLoaderRuleTest.java
index 2528d09..13addb1 100644
--- a/tests/testables/tests/src/android/testing/DexmakerShareClassLoaderRuleTest.java
+++ b/tests/testables/tests/src/android/testing/DexmakerShareClassLoaderRuleTest.java
@@ -22,8 +22,8 @@
 import static org.junit.Assert.assertThat;
 import static org.junit.Assert.fail;
 
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Before;
 import org.junit.Test;
diff --git a/tests/testables/tests/src/android/testing/TestableContentResolverTest.java b/tests/testables/tests/src/android/testing/TestableContentResolverTest.java
index 71afda0..f531369 100644
--- a/tests/testables/tests/src/android/testing/TestableContentResolverTest.java
+++ b/tests/testables/tests/src/android/testing/TestableContentResolverTest.java
@@ -2,8 +2,9 @@
 
 import android.content.ContentProvider;
 import android.content.IContentProvider;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
 
 import org.junit.Assert;
 import org.junit.Before;
diff --git a/tests/testables/tests/src/android/testing/TestablePermissionsTest.java b/tests/testables/tests/src/android/testing/TestablePermissionsTest.java
index c56146e..4626de7 100644
--- a/tests/testables/tests/src/android/testing/TestablePermissionsTest.java
+++ b/tests/testables/tests/src/android/testing/TestablePermissionsTest.java
@@ -20,11 +20,10 @@
 import static org.junit.Assert.assertEquals;
 
 import android.Manifest.permission;
-import android.content.pm.PackageManager;
 import android.net.Uri;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.testing.TestableLooper.RunWithLooper;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
 
 import org.junit.Rule;
 import org.junit.Test;
diff --git a/tests/testables/tests/src/android/testing/TestableResourcesTest.java b/tests/testables/tests/src/android/testing/TestableResourcesTest.java
index dc7cf95..dd4325c 100644
--- a/tests/testables/tests/src/android/testing/TestableResourcesTest.java
+++ b/tests/testables/tests/src/android/testing/TestableResourcesTest.java
@@ -21,9 +21,10 @@
 import static org.junit.Assert.fail;
 
 import android.content.res.Resources;
-import android.support.test.InstrumentationRegistry;
 import android.test.suitebuilder.annotation.SmallTest;
 
+import androidx.test.InstrumentationRegistry;
+
 import com.android.testables.R;
 
 import org.junit.Rule;
diff --git a/tests/testables/tests/src/android/testing/TestableSettingsProviderTest.java b/tests/testables/tests/src/android/testing/TestableSettingsProviderTest.java
index ac61deb..0333d51 100644
--- a/tests/testables/tests/src/android/testing/TestableSettingsProviderTest.java
+++ b/tests/testables/tests/src/android/testing/TestableSettingsProviderTest.java
@@ -14,20 +14,22 @@
 
 package android.testing;
 
+import static org.junit.Assert.*;
+
 import android.content.ContentResolver;
 import android.provider.Settings;
 import android.provider.Settings.Global;
 import android.provider.Settings.Secure;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.runner.AndroidJUnit4;
 import android.test.suitebuilder.annotation.SmallTest;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.Before;
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
-import static org.junit.Assert.*;
-
 @SmallTest
 @RunWith(AndroidJUnit4.class)
 public class TestableSettingsProviderTest {
diff --git a/tools/hiddenapi/exclude.sh b/tools/hiddenapi/exclude.sh
index 4ffcf68..18c4054 100755
--- a/tools/hiddenapi/exclude.sh
+++ b/tools/hiddenapi/exclude.sh
@@ -9,6 +9,7 @@
 LIBCORE_PACKAGES="\
   android.icu \
   android.system \
+  android.test \
   com.android.bouncycastle \
   com.android.conscrypt \
   com.android.i18n.phonenumbers \
@@ -17,6 +18,7 @@
   dalvik \
   java \
   javax \
+  junit \
   libcore \
   org.apache.harmony \
   org.json \