Merge "5G meteredness for telephony framework"
diff --git a/Android.bp b/Android.bp
index afc728f..6535da5 100644
--- a/Android.bp
+++ b/Android.bp
@@ -587,6 +587,15 @@
 }
 
 filegroup {
+    name: "framework-ike-shared-srcs",
+    visibility: ["//frameworks/opt/net/ike"],
+    srcs: [
+        "core/java/android/net/annotations/PolicyDirection.java",
+        "telephony/java/android/telephony/Annotation.java",
+    ],
+}
+
+filegroup {
     name: "framework-networkstack-shared-srcs",
     srcs: [
         // TODO: remove these annotations as soon as we can use andoid.support.annotations.*
diff --git a/apex/sdkextensions/TEST_MAPPING b/apex/sdkextensions/TEST_MAPPING
index 7e77623..4e18833 100644
--- a/apex/sdkextensions/TEST_MAPPING
+++ b/apex/sdkextensions/TEST_MAPPING
@@ -1,7 +1,7 @@
 {
   "presubmit": [
     {
-      "name": "CtsSdkExtTestCases"
+      "name": "CtsSdkExtensionsTestCases"
     },
     {
       "name": "apiextensions_e2e_tests"
diff --git a/api/current.txt b/api/current.txt
index e37c0fa..12e139a 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -9848,6 +9848,7 @@
     field public static final String MEDIA_ROUTER_SERVICE = "media_router";
     field public static final String MEDIA_SESSION_SERVICE = "media_session";
     field public static final String MIDI_SERVICE = "midi";
+    field public static final String MMS_SERVICE = "mms";
     field public static final int MODE_APPEND = 32768; // 0x8000
     field public static final int MODE_ENABLE_WRITE_AHEAD_LOGGING = 8; // 0x8
     field @Deprecated public static final int MODE_MULTI_PROCESS = 4; // 0x4
@@ -28796,6 +28797,7 @@
     ctor public DhcpInfo();
     method public int describeContents();
     method public void writeToParcel(android.os.Parcel, int);
+    field @NonNull public static final android.os.Parcelable.Creator<android.net.DhcpInfo> CREATOR;
     field public int dns1;
     field public int dns2;
     field public int gateway;
@@ -44904,6 +44906,11 @@
     method @Nullable public android.telephony.mbms.StreamingService startStreaming(android.telephony.mbms.StreamingServiceInfo, @NonNull java.util.concurrent.Executor, android.telephony.mbms.StreamingServiceCallback);
   }
 
+  public final class MmsManager {
+    method public void downloadMultimediaMessage(int, @NonNull String, @NonNull android.net.Uri, @Nullable android.os.Bundle, @Nullable android.app.PendingIntent);
+    method public void sendMultimediaMessage(int, @NonNull android.net.Uri, @Nullable String, @Nullable android.os.Bundle, @Nullable android.app.PendingIntent);
+  }
+
   @Deprecated public class NeighboringCellInfo implements android.os.Parcelable {
     ctor @Deprecated public NeighboringCellInfo();
     ctor @Deprecated public NeighboringCellInfo(int, int);
@@ -45139,8 +45146,8 @@
     method public String createAppSpecificSmsToken(android.app.PendingIntent);
     method @Nullable public String createAppSpecificSmsTokenWithPackageInfo(@Nullable String, @NonNull android.app.PendingIntent);
     method public java.util.ArrayList<java.lang.String> divideMessage(String);
-    method public void downloadMultimediaMessage(android.content.Context, String, android.net.Uri, android.os.Bundle, android.app.PendingIntent);
-    method @Nullable public android.os.Bundle getCarrierConfigValues();
+    method @Deprecated public void downloadMultimediaMessage(android.content.Context, String, android.net.Uri, android.os.Bundle, android.app.PendingIntent);
+    method @NonNull public android.os.Bundle getCarrierConfigValues();
     method public static android.telephony.SmsManager getDefault();
     method public static int getDefaultSmsSubscriptionId();
     method public static android.telephony.SmsManager getSmsManagerForSubscriptionId(int);
@@ -45149,7 +45156,7 @@
     method public int getSubscriptionId();
     method public void injectSmsPdu(byte[], String, android.app.PendingIntent);
     method public void sendDataMessage(String, String, short, byte[], android.app.PendingIntent, android.app.PendingIntent);
-    method public void sendMultimediaMessage(android.content.Context, android.net.Uri, String, android.os.Bundle, android.app.PendingIntent);
+    method @Deprecated public void sendMultimediaMessage(android.content.Context, android.net.Uri, String, android.os.Bundle, android.app.PendingIntent);
     method public void sendMultipartTextMessage(String, String, java.util.ArrayList<java.lang.String>, java.util.ArrayList<android.app.PendingIntent>, java.util.ArrayList<android.app.PendingIntent>);
     method public void sendTextMessage(String, String, String, android.app.PendingIntent, android.app.PendingIntent);
     method @RequiresPermission(allOf={android.Manifest.permission.MODIFY_PHONE_STATE, android.Manifest.permission.SEND_SMS}) public void sendTextMessageWithoutPersisting(String, String, String, android.app.PendingIntent, android.app.PendingIntent);
@@ -45507,12 +45514,12 @@
     method public android.net.Uri getVoicemailRingtoneUri(android.telecom.PhoneAccountHandle);
     method public boolean hasCarrierPrivileges();
     method public boolean hasIccCard();
-    method public boolean iccCloseLogicalChannel(int);
-    method public byte[] iccExchangeSimIO(int, int, int, int, int, String);
+    method @Deprecated public boolean iccCloseLogicalChannel(int);
+    method @Deprecated public byte[] iccExchangeSimIO(int, int, int, int, int, String);
     method @Deprecated public android.telephony.IccOpenLogicalChannelResponse iccOpenLogicalChannel(String);
-    method public android.telephony.IccOpenLogicalChannelResponse iccOpenLogicalChannel(String, int);
-    method public String iccTransmitApduBasicChannel(int, int, int, int, int, String);
-    method public String iccTransmitApduLogicalChannel(int, int, int, int, int, int, String);
+    method @Deprecated public android.telephony.IccOpenLogicalChannelResponse iccOpenLogicalChannel(String, int);
+    method @Deprecated public String iccTransmitApduBasicChannel(int, int, int, int, int, String);
+    method @Deprecated public String iccTransmitApduLogicalChannel(int, int, int, int, int, int, String);
     method public boolean isConcurrentVoiceAndDataSupported();
     method @RequiresPermission(anyOf={android.Manifest.permission.ACCESS_NETWORK_STATE, android.Manifest.permission.MODIFY_PHONE_STATE}) public boolean isDataEnabled();
     method @RequiresPermission(anyOf={android.Manifest.permission.ACCESS_NETWORK_STATE, android.Manifest.permission.READ_PHONE_STATE}) public boolean isDataRoamingEnabled();
@@ -45530,7 +45537,7 @@
     method @RequiresPermission(android.Manifest.permission.ACCESS_FINE_LOCATION) public void requestCellInfoUpdate(@NonNull java.util.concurrent.Executor, @NonNull android.telephony.TelephonyManager.CellInfoCallback);
     method @RequiresPermission(allOf={android.Manifest.permission.MODIFY_PHONE_STATE, android.Manifest.permission.ACCESS_FINE_LOCATION}) public android.telephony.NetworkScan requestNetworkScan(android.telephony.NetworkScanRequest, java.util.concurrent.Executor, android.telephony.TelephonyScanManager.NetworkScanCallback);
     method public void sendDialerSpecialCode(String);
-    method public String sendEnvelopeWithStatus(String);
+    method @Deprecated public String sendEnvelopeWithStatus(String);
     method @RequiresPermission(android.Manifest.permission.CALL_PHONE) public void sendUssdRequest(String, android.telephony.TelephonyManager.UssdResponseCallback, android.os.Handler);
     method public void sendVisualVoicemailSms(String, int, String, android.app.PendingIntent);
     method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public void setDataEnabled(boolean);
diff --git a/api/system-current.txt b/api/system-current.txt
index 1690a18..dad35e2 100755
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -4290,6 +4290,14 @@
     method public void onUpstreamChanged(@Nullable android.net.Network);
   }
 
+  public class InvalidPacketException extends java.lang.Exception {
+    ctor public InvalidPacketException(int);
+    field public static final int ERROR_INVALID_IP_ADDRESS = -21; // 0xffffffeb
+    field public static final int ERROR_INVALID_LENGTH = -23; // 0xffffffe9
+    field public static final int ERROR_INVALID_PORT = -22; // 0xffffffea
+    field public final int error;
+  }
+
   public final class IpConfiguration implements android.os.Parcelable {
     ctor public IpConfiguration();
     ctor public IpConfiguration(@NonNull android.net.IpConfiguration);
@@ -4340,6 +4348,15 @@
     method @NonNull @RequiresPermission(android.Manifest.permission.MANAGE_IPSEC_TUNNELS) public android.net.IpSecTransform buildTunnelModeTransform(@NonNull java.net.InetAddress, @NonNull android.net.IpSecManager.SecurityParameterIndex) throws java.io.IOException, android.net.IpSecManager.ResourceUnavailableException, android.net.IpSecManager.SpiUnavailableException;
   }
 
+  public class KeepalivePacketData {
+    ctor protected KeepalivePacketData(@NonNull java.net.InetAddress, int, @NonNull java.net.InetAddress, int, @NonNull byte[]) throws android.net.InvalidPacketException;
+    method @NonNull public byte[] getPacket();
+    field @NonNull public final java.net.InetAddress dstAddress;
+    field public final int dstPort;
+    field @NonNull public final java.net.InetAddress srcAddress;
+    field public final int srcPort;
+  }
+
   public class LinkAddress implements android.os.Parcelable {
     ctor public LinkAddress(@NonNull java.net.InetAddress, @IntRange(from=0, to=128) int, int, int);
     ctor public LinkAddress(@NonNull java.net.InetAddress, @IntRange(from=0, to=128) int);
@@ -4398,6 +4415,7 @@
   }
 
   public final class NetworkCapabilities implements android.os.Parcelable {
+    method public boolean deduceRestrictedCapability();
     method @NonNull public int[] getTransportTypes();
     method public boolean satisfiedByNetworkCapabilities(@Nullable android.net.NetworkCapabilities);
     method @NonNull public android.net.NetworkCapabilities setSSID(@Nullable String);
@@ -6207,7 +6225,7 @@
     ctor public UpdateEngine();
     method @NonNull public android.os.UpdateEngine.AllocateSpaceResult allocateSpace(@NonNull String, @NonNull String[]);
     method public void applyPayload(String, long, long, String[]);
-    method public void applyPayload(@NonNull android.os.ParcelFileDescriptor, long, long, @NonNull String[]);
+    method public void applyPayload(@NonNull android.content.res.AssetFileDescriptor, @NonNull String[]);
     method public boolean bind(android.os.UpdateEngineCallback, android.os.Handler);
     method public boolean bind(android.os.UpdateEngineCallback);
     method public void cancel();
@@ -6753,6 +6771,7 @@
   }
 
   public final class Settings {
+    method public static boolean checkAndNoteWriteSettingsOperation(@NonNull android.content.Context, int, @NonNull String, boolean);
     field public static final String ACTION_ACCESSIBILITY_DETAILS_SETTINGS = "android.settings.ACCESSIBILITY_DETAILS_SETTINGS";
     field public static final String ACTION_ENTERPRISE_PRIVACY_SETTINGS = "android.settings.ENTERPRISE_PRIVACY_SETTINGS";
     field public static final String ACTION_LOCATION_CONTROLLER_EXTRA_PACKAGE_SETTINGS = "android.settings.LOCATION_CONTROLLER_EXTRA_PACKAGE_SETTINGS";
@@ -8126,6 +8145,34 @@
     field public static final String CELL_BROADCAST_SERVICE_INTERFACE = "android.telephony.CellBroadcastService";
   }
 
+  public abstract class CellIdentity implements android.os.Parcelable {
+    method @NonNull public abstract android.telephony.CellLocation asCellLocation();
+  }
+
+  public final class CellIdentityCdma extends android.telephony.CellIdentity {
+    method @NonNull public android.telephony.cdma.CdmaCellLocation asCellLocation();
+  }
+
+  public final class CellIdentityGsm extends android.telephony.CellIdentity {
+    method @NonNull public android.telephony.gsm.GsmCellLocation asCellLocation();
+  }
+
+  public final class CellIdentityLte extends android.telephony.CellIdentity {
+    method @NonNull public android.telephony.gsm.GsmCellLocation asCellLocation();
+  }
+
+  public final class CellIdentityNr extends android.telephony.CellIdentity {
+    method @NonNull public android.telephony.CellLocation asCellLocation();
+  }
+
+  public final class CellIdentityTdscdma extends android.telephony.CellIdentity {
+    method @NonNull public android.telephony.gsm.GsmCellLocation asCellLocation();
+  }
+
+  public final class CellIdentityWcdma extends android.telephony.CellIdentity {
+    method @NonNull public android.telephony.gsm.GsmCellLocation asCellLocation();
+  }
+
   public final class DataFailCause {
     field public static final int ACCESS_ATTEMPT_ALREADY_IN_PROGRESS = 2219; // 0x8ab
     field public static final int ACCESS_BLOCK = 2087; // 0x827
@@ -9108,10 +9155,10 @@
     method @RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE) public int getVoiceActivationState();
     method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public boolean handlePinMmi(String);
     method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public boolean handlePinMmiForSubscriber(int, String);
-    method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public boolean iccCloseLogicalChannelBySlot(int, int);
+    method @Deprecated @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public boolean iccCloseLogicalChannelBySlot(int, int);
     method @Nullable @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public android.telephony.IccOpenLogicalChannelResponse iccOpenLogicalChannelBySlot(int, @Nullable String, int);
-    method @NonNull @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public String iccTransmitApduBasicChannelBySlot(int, int, int, int, int, int, @Nullable String);
-    method @Nullable @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public String iccTransmitApduLogicalChannelBySlot(int, int, int, int, int, int, int, @Nullable String);
+    method @Deprecated @NonNull @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public String iccTransmitApduBasicChannelBySlot(int, int, int, int, int, int, @Nullable String);
+    method @Deprecated @Nullable @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public String iccTransmitApduLogicalChannelBySlot(int, int, int, int, int, int, int, @Nullable String);
     method @RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE) public boolean isAnyRadioPoweredOn();
     method @RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE) public boolean isApplicationOnUicc(int);
     method public boolean isDataConnectivityPossible();
diff --git a/core/java/android/app/timedetector/ManualTimeSuggestion.java b/core/java/android/app/timedetector/ManualTimeSuggestion.java
index 55f92be..50de7385 100644
--- a/core/java/android/app/timedetector/ManualTimeSuggestion.java
+++ b/core/java/android/app/timedetector/ManualTimeSuggestion.java
@@ -20,7 +20,7 @@
 import android.annotation.Nullable;
 import android.os.Parcel;
 import android.os.Parcelable;
-import android.util.TimestampedValue;
+import android.os.TimestampedValue;
 
 import java.util.ArrayList;
 import java.util.Arrays;
diff --git a/core/java/android/app/timedetector/NetworkTimeSuggestion.java b/core/java/android/app/timedetector/NetworkTimeSuggestion.java
index 4c55ba1..17e9c5a 100644
--- a/core/java/android/app/timedetector/NetworkTimeSuggestion.java
+++ b/core/java/android/app/timedetector/NetworkTimeSuggestion.java
@@ -20,7 +20,7 @@
 import android.annotation.Nullable;
 import android.os.Parcel;
 import android.os.Parcelable;
-import android.util.TimestampedValue;
+import android.os.TimestampedValue;
 
 import java.util.ArrayList;
 import java.util.Arrays;
diff --git a/core/java/android/app/timedetector/PhoneTimeSuggestion.java b/core/java/android/app/timedetector/PhoneTimeSuggestion.java
index 4a89a12..479e4b4 100644
--- a/core/java/android/app/timedetector/PhoneTimeSuggestion.java
+++ b/core/java/android/app/timedetector/PhoneTimeSuggestion.java
@@ -20,7 +20,7 @@
 import android.annotation.Nullable;
 import android.os.Parcel;
 import android.os.Parcelable;
-import android.util.TimestampedValue;
+import android.os.TimestampedValue;
 
 import java.util.ArrayList;
 import java.util.Collections;
diff --git a/core/java/android/app/timedetector/TimeDetector.java b/core/java/android/app/timedetector/TimeDetector.java
index af9ece0..54dd1be 100644
--- a/core/java/android/app/timedetector/TimeDetector.java
+++ b/core/java/android/app/timedetector/TimeDetector.java
@@ -24,8 +24,8 @@
 import android.os.ServiceManager;
 import android.os.ServiceManager.ServiceNotFoundException;
 import android.os.SystemClock;
+import android.os.TimestampedValue;
 import android.util.Log;
-import android.util.TimestampedValue;
 
 /**
  * The interface through which system components can send signals to the TimeDetectorService.
diff --git a/core/java/android/bluetooth/BluetoothAdapter.java b/core/java/android/bluetooth/BluetoothAdapter.java
index 291d1d9..220b77b 100644
--- a/core/java/android/bluetooth/BluetoothAdapter.java
+++ b/core/java/android/bluetooth/BluetoothAdapter.java
@@ -2670,6 +2670,9 @@
         } else if (profile == BluetoothProfile.PAN) {
             BluetoothPan pan = new BluetoothPan(context, listener);
             return true;
+        } else if (profile == BluetoothProfile.PBAP) {
+            BluetoothPbap pbap = new BluetoothPbap(context, listener);
+            return true;
         } else if (profile == BluetoothProfile.HEALTH) {
             Log.e(TAG, "getProfileProxy(): BluetoothHealth is deprecated");
             return false;
@@ -2742,6 +2745,10 @@
                 BluetoothPan pan = (BluetoothPan) proxy;
                 pan.close();
                 break;
+            case BluetoothProfile.PBAP:
+                BluetoothPbap pbap = (BluetoothPbap) proxy;
+                pbap.close();
+                break;
             case BluetoothProfile.GATT:
                 BluetoothGatt gatt = (BluetoothGatt) proxy;
                 gatt.close();
diff --git a/core/java/android/content/Context.java b/core/java/android/content/Context.java
index f359641..6ebded5 100644
--- a/core/java/android/content/Context.java
+++ b/core/java/android/content/Context.java
@@ -3318,6 +3318,7 @@
             TELEPHONY_SUBSCRIPTION_SERVICE,
             CARRIER_CONFIG_SERVICE,
             EUICC_SERVICE,
+            MMS_SERVICE,
             TELECOM_SERVICE,
             CLIPBOARD_SERVICE,
             INPUT_METHOD_SERVICE,
@@ -3513,6 +3514,8 @@
      * @see android.telephony.CarrierConfigManager
      * @see #EUICC_SERVICE
      * @see android.telephony.euicc.EuiccManager
+     * @see #MMS_SERVICE
+     * @see android.telephony.MmsManager
      * @see #INPUT_METHOD_SERVICE
      * @see android.view.inputmethod.InputMethodManager
      * @see #UI_MODE_SERVICE
@@ -4152,6 +4155,15 @@
 
     /**
      * Use with {@link #getSystemService(String)} to retrieve a
+     * {@link android.telephony.MmsManager} to send/receive MMS messages.
+     *
+     * @see #getSystemService(String)
+     * @see android.telephony.MmsManager
+     */
+    public static final String MMS_SERVICE = "mms";
+
+    /**
+     * Use with {@link #getSystemService(String)} to retrieve a
      * {@link android.content.ClipboardManager} for accessing and modifying
      * the contents of the global clipboard.
      *
diff --git a/core/java/android/net/DhcpInfo.java b/core/java/android/net/DhcpInfo.java
index 98bab44..912df67 100644
--- a/core/java/android/net/DhcpInfo.java
+++ b/core/java/android/net/DhcpInfo.java
@@ -16,8 +16,8 @@
 
 package android.net;
 
-import android.os.Parcelable;
 import android.os.Parcel;
+import android.os.Parcelable;
 
 /**
  * A simple object for retrieving the results of a DHCP request.
@@ -67,12 +67,12 @@
         buf.append(NetworkUtils.intToInetAddress(addr).getHostAddress());
     }
 
-    /** Implement the Parcelable interface {@hide} */
+    /** Implement the Parcelable interface */
     public int describeContents() {
         return 0;
     }
 
-    /** Implement the Parcelable interface {@hide} */
+    /** Implement the Parcelable interface */
     public void writeToParcel(Parcel dest, int flags) {
         dest.writeInt(ipAddress);
         dest.writeInt(gateway);
@@ -83,7 +83,7 @@
         dest.writeInt(leaseDuration);
     }
 
-    /** Implement the Parcelable interface {@hide} */
+    /** Implement the Parcelable interface */
     public static final @android.annotation.NonNull Creator<DhcpInfo> CREATOR =
         new Creator<DhcpInfo>() {
             public DhcpInfo createFromParcel(Parcel in) {
diff --git a/core/java/android/net/InvalidPacketException.java b/core/java/android/net/InvalidPacketException.java
new file mode 100644
index 0000000..909998d
--- /dev/null
+++ b/core/java/android/net/InvalidPacketException.java
@@ -0,0 +1,61 @@
+/*
+ * 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.net;
+
+import android.annotation.IntDef;
+import android.annotation.SystemApi;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+
+/**
+ * Thrown when a packet is invalid.
+ * @hide
+ */
+@SystemApi
+public class InvalidPacketException extends Exception {
+    public final int error;
+
+    // Must match SocketKeepalive#ERROR_INVALID_IP_ADDRESS.
+    /** Invalid IP address. */
+    public static final int ERROR_INVALID_IP_ADDRESS = -21;
+
+    // Must match SocketKeepalive#ERROR_INVALID_PORT.
+    /** Invalid port number. */
+    public static final int ERROR_INVALID_PORT = -22;
+
+    // Must match SocketKeepalive#ERROR_INVALID_LENGTH.
+    /** Invalid packet length. */
+    public static final int ERROR_INVALID_LENGTH = -23;
+
+    /** @hide */
+    @Retention(RetentionPolicy.SOURCE)
+    @IntDef(prefix = { "ERROR_" }, value = {
+        ERROR_INVALID_IP_ADDRESS,
+        ERROR_INVALID_PORT,
+        ERROR_INVALID_LENGTH
+    })
+    public @interface ErrorCode {}
+
+    /**
+     * This packet is invalid.
+     * See the error code for details.
+     */
+    public InvalidPacketException(@ErrorCode final int error) {
+        this.error = error;
+    }
+}
diff --git a/core/java/android/net/IpSecManager.java b/core/java/android/net/IpSecManager.java
index 45d0c73..09ec6c3 100644
--- a/core/java/android/net/IpSecManager.java
+++ b/core/java/android/net/IpSecManager.java
@@ -17,7 +17,6 @@
 
 import static com.android.internal.util.Preconditions.checkNotNull;
 
-import android.annotation.IntDef;
 import android.annotation.NonNull;
 import android.annotation.RequiresFeature;
 import android.annotation.RequiresPermission;
@@ -26,6 +25,7 @@
 import android.annotation.TestApi;
 import android.content.Context;
 import android.content.pm.PackageManager;
+import android.net.annotations.PolicyDirection;
 import android.os.Binder;
 import android.os.ParcelFileDescriptor;
 import android.os.RemoteException;
@@ -41,8 +41,6 @@
 
 import java.io.FileDescriptor;
 import java.io.IOException;
-import java.lang.annotation.Retention;
-import java.lang.annotation.RetentionPolicy;
 import java.net.DatagramSocket;
 import java.net.InetAddress;
 import java.net.Socket;
@@ -78,11 +76,6 @@
      */
     public static final int DIRECTION_OUT = 1;
 
-    /** @hide */
-    @IntDef(value = {DIRECTION_IN, DIRECTION_OUT})
-    @Retention(RetentionPolicy.SOURCE)
-    public @interface PolicyDirection {}
-
     /**
      * The Security Parameter Index (SPI) 0 indicates an unknown or invalid index.
      *
diff --git a/core/java/android/net/KeepalivePacketData.java b/core/java/android/net/KeepalivePacketData.java
index 9b8b732..2b8b7e6 100644
--- a/core/java/android/net/KeepalivePacketData.java
+++ b/core/java/android/net/KeepalivePacketData.java
@@ -16,13 +16,13 @@
 
 package android.net;
 
-import static android.net.SocketKeepalive.ERROR_INVALID_IP_ADDRESS;
-import static android.net.SocketKeepalive.ERROR_INVALID_PORT;
+import static android.net.InvalidPacketException.ERROR_INVALID_IP_ADDRESS;
+import static android.net.InvalidPacketException.ERROR_INVALID_PORT;
 
-import android.net.SocketKeepalive.InvalidPacketException;
+import android.annotation.NonNull;
+import android.annotation.SystemApi;
 import android.net.util.IpUtils;
 import android.os.Parcel;
-import android.os.Parcelable;
 import android.util.Log;
 
 import java.net.InetAddress;
@@ -33,13 +33,16 @@
  *
  * @hide
  */
-public class KeepalivePacketData implements Parcelable {
+@SystemApi
+public class KeepalivePacketData {
     private static final String TAG = "KeepalivePacketData";
 
     /** Source IP address */
+    @NonNull
     public final InetAddress srcAddress;
 
     /** Destination IP address */
+    @NonNull
     public final InetAddress dstAddress;
 
     /** Source port */
@@ -51,13 +54,14 @@
     /** Packet data. A raw byte string of packet data, not including the link-layer header. */
     private final byte[] mPacket;
 
-    protected static final int IPV4_HEADER_LENGTH = 20;
-    protected static final int UDP_HEADER_LENGTH = 8;
-
     // This should only be constructed via static factory methods, such as
-    // nattKeepalivePacket
-    protected KeepalivePacketData(InetAddress srcAddress, int srcPort,
-            InetAddress dstAddress, int dstPort, byte[] data) throws InvalidPacketException {
+    // nattKeepalivePacket.
+    /**
+     * A holding class for data necessary to build a keepalive packet.
+     */
+    protected KeepalivePacketData(@NonNull InetAddress srcAddress, int srcPort,
+            @NonNull InetAddress dstAddress, int dstPort,
+                    @NonNull byte[] data) throws InvalidPacketException {
         this.srcAddress = srcAddress;
         this.dstAddress = dstAddress;
         this.srcPort = srcPort;
@@ -78,16 +82,12 @@
         }
     }
 
+    @NonNull
     public byte[] getPacket() {
         return mPacket.clone();
     }
 
-    /* Parcelable Implementation */
-    public int describeContents() {
-        return 0;
-    }
-
-    /** Write to parcel */
+    /** @hide */
     public void writeToParcel(Parcel out, int flags) {
         out.writeString(srcAddress.getHostAddress());
         out.writeString(dstAddress.getHostAddress());
@@ -96,6 +96,7 @@
         out.writeByteArray(mPacket);
     }
 
+    /** @hide */
     protected KeepalivePacketData(Parcel in) {
         srcAddress = NetworkUtils.numericToInetAddress(in.readString());
         dstAddress = NetworkUtils.numericToInetAddress(in.readString());
@@ -103,17 +104,4 @@
         dstPort = in.readInt();
         mPacket = in.createByteArray();
     }
-
-    /** Parcelable Creator */
-    public static final @android.annotation.NonNull Parcelable.Creator<KeepalivePacketData> CREATOR =
-            new Parcelable.Creator<KeepalivePacketData>() {
-                public KeepalivePacketData createFromParcel(Parcel in) {
-                    return new KeepalivePacketData(in);
-                }
-
-                public KeepalivePacketData[] newArray(int size) {
-                    return new KeepalivePacketData[size];
-                }
-            };
-
 }
diff --git a/core/java/android/net/NattKeepalivePacketData.java b/core/java/android/net/NattKeepalivePacketData.java
index a77c244..3fb52f1 100644
--- a/core/java/android/net/NattKeepalivePacketData.java
+++ b/core/java/android/net/NattKeepalivePacketData.java
@@ -19,7 +19,6 @@
 import static android.net.SocketKeepalive.ERROR_INVALID_IP_ADDRESS;
 import static android.net.SocketKeepalive.ERROR_INVALID_PORT;
 
-import android.net.SocketKeepalive.InvalidPacketException;
 import android.net.util.IpUtils;
 import android.os.Parcel;
 import android.os.Parcelable;
@@ -32,6 +31,9 @@
 
 /** @hide */
 public final class NattKeepalivePacketData extends KeepalivePacketData implements Parcelable {
+    private static final int IPV4_HEADER_LENGTH = 20;
+    private static final int UDP_HEADER_LENGTH = 8;
+
     // This should only be constructed via static factory methods, such as
     // nattKeepalivePacket
     private NattKeepalivePacketData(InetAddress srcAddress, int srcPort,
diff --git a/core/java/android/net/NetworkCapabilities.java b/core/java/android/net/NetworkCapabilities.java
index a5e567d..f43385d 100644
--- a/core/java/android/net/NetworkCapabilities.java
+++ b/core/java/android/net/NetworkCapabilities.java
@@ -587,15 +587,14 @@
     }
 
     /**
-     * Removes the NET_CAPABILITY_NOT_RESTRICTED capability if all the capabilities it provides are
-     * typically provided by restricted networks.
+     * Deduces that all the capabilities it provides are typically provided by restricted networks
+     * or not.
      *
-     * TODO: consider:
-     * - Renaming it to guessRestrictedCapability and make it set the
-     *   restricted capability bit in addition to clearing it.
+     * @return {@code true} if the network should be restricted.
      * @hide
      */
-    public void maybeMarkCapabilitiesRestricted() {
+    @SystemApi
+    public boolean deduceRestrictedCapability() {
         // Check if we have any capability that forces the network to be restricted.
         final boolean forceRestrictedCapability =
                 (mNetworkCapabilities & FORCE_RESTRICTED_CAPABILITIES) != 0;
@@ -609,8 +608,17 @@
         final boolean hasRestrictedCapabilities =
                 (mNetworkCapabilities & RESTRICTED_CAPABILITIES) != 0;
 
-        if (forceRestrictedCapability
-                || (hasRestrictedCapabilities && !hasUnrestrictedCapabilities)) {
+        return forceRestrictedCapability
+                || (hasRestrictedCapabilities && !hasUnrestrictedCapabilities);
+    }
+
+    /**
+     * Removes the NET_CAPABILITY_NOT_RESTRICTED capability if deducing the network is restricted.
+     *
+     * @hide
+     */
+    public void maybeMarkCapabilitiesRestricted() {
+        if (deduceRestrictedCapability()) {
             removeCapability(NET_CAPABILITY_NOT_RESTRICTED);
         }
     }
diff --git a/core/java/android/net/SocketKeepalive.java b/core/java/android/net/SocketKeepalive.java
index ec73866..fb224fb 100644
--- a/core/java/android/net/SocketKeepalive.java
+++ b/core/java/android/net/SocketKeepalive.java
@@ -147,17 +147,6 @@
         }
     }
 
-    /**
-     * This packet is invalid.
-     * See the error code for details.
-     * @hide
-     */
-    public static class InvalidPacketException extends ErrorCodeException {
-        public InvalidPacketException(final int error) {
-            super(error);
-        }
-    }
-
     @NonNull final IConnectivityManager mService;
     @NonNull final Network mNetwork;
     @NonNull final ParcelFileDescriptor mPfd;
diff --git a/core/java/android/net/annotations/PolicyDirection.java b/core/java/android/net/annotations/PolicyDirection.java
new file mode 100644
index 0000000..febd9b4
--- /dev/null
+++ b/core/java/android/net/annotations/PolicyDirection.java
@@ -0,0 +1,35 @@
+/*
+ * 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.net.annotations;
+
+import android.annotation.IntDef;
+import android.net.IpSecManager;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+
+/**
+ * IPsec traffic direction.
+ *
+ * <p>Mainline modules cannot reference hidden @IntDef. Moving this annotation to a separate class
+ * to allow others to statically include it.
+ *
+ * @hide
+ */
+@IntDef(value = {IpSecManager.DIRECTION_IN, IpSecManager.DIRECTION_OUT})
+@Retention(RetentionPolicy.SOURCE)
+public @interface PolicyDirection {}
diff --git a/core/java/android/os/Process.java b/core/java/android/os/Process.java
index 1130f1d..c94c74a 100644
--- a/core/java/android/os/Process.java
+++ b/core/java/android/os/Process.java
@@ -740,11 +740,12 @@
 
     /**
      * Set the priority of a thread, based on Linux priorities.
-     * 
-     * @param tid The identifier of the thread/process to change.
+     *
+     * @param tid The identifier of the thread/process to change. It should be
+     * the native thread id but not the managed id of {@link java.lang.Thread}.
      * @param priority A Linux priority level, from -20 for highest scheduling
      * priority to 19 for lowest scheduling priority.
-     * 
+     *
      * @throws IllegalArgumentException Throws IllegalArgumentException if
      * <var>tid</var> does not exist.
      * @throws SecurityException Throws SecurityException if your process does
diff --git a/core/java/android/util/TimestampedValue.java b/core/java/android/os/TimestampedValue.java
similarity index 97%
rename from core/java/android/util/TimestampedValue.java
rename to core/java/android/os/TimestampedValue.java
index 4505673..348574e 100644
--- a/core/java/android/util/TimestampedValue.java
+++ b/core/java/android/os/TimestampedValue.java
@@ -14,13 +14,10 @@
  * limitations under the License.
  */
 
-package android.util;
+package android.os;
 
 import android.annotation.NonNull;
 import android.annotation.Nullable;
-import android.os.Parcel;
-import android.os.Parcelable;
-import android.os.SystemClock;
 
 import java.util.Objects;
 
diff --git a/core/java/android/os/UpdateEngine.java b/core/java/android/os/UpdateEngine.java
index 16f7b39..73e1adf 100644
--- a/core/java/android/os/UpdateEngine.java
+++ b/core/java/android/os/UpdateEngine.java
@@ -19,6 +19,7 @@
 import android.annotation.IntDef;
 import android.annotation.NonNull;
 import android.annotation.SystemApi;
+import android.content.res.AssetFileDescriptor;
 import android.os.IUpdateEngine;
 import android.os.IUpdateEngineCallback;
 import android.os.RemoteException;
@@ -349,16 +350,17 @@
     }
 
     /**
-     * Applies the payload passed as ParcelFileDescriptor {@code pfd} instead of
-     * using the {@code file://} scheme.
+     * Applies the payload passed as AssetFileDescriptor {@code assetFd}
+     * instead of using the {@code file://} scheme.
      *
      * <p>See {@link #applyPayload(String)} for {@code offset}, {@code size} and
      * {@code headerKeyValuePairs} parameters.
      */
-    public void applyPayload(@NonNull ParcelFileDescriptor pfd, long offset, long size,
+    public void applyPayload(@NonNull AssetFileDescriptor assetFd,
             @NonNull String[] headerKeyValuePairs) {
         try {
-            mUpdateEngine.applyPayloadFd(pfd, offset, size, headerKeyValuePairs);
+            mUpdateEngine.applyPayloadFd(assetFd.getParcelFileDescriptor(),
+                    assetFd.getStartOffset(), assetFd.getLength(), headerKeyValuePairs);
         } catch (RemoteException e) {
             throw e.rethrowFromSystemServer();
         }
diff --git a/core/java/android/provider/Settings.java b/core/java/android/provider/Settings.java
index 2622254..c7e7145 100644
--- a/core/java/android/provider/Settings.java
+++ b/core/java/android/provider/Settings.java
@@ -15268,8 +15268,9 @@
      * current time.
      * @hide
      */
-    public static boolean checkAndNoteWriteSettingsOperation(Context context, int uid,
-            String callingPackage, boolean throwException) {
+    @SystemApi
+    public static boolean checkAndNoteWriteSettingsOperation(@NonNull Context context, int uid,
+            @NonNull String callingPackage, boolean throwException) {
         return isCallingPackageAllowedToPerformAppOpsProtectedOperation(context, uid,
                 callingPackage, throwException, AppOpsManager.OP_WRITE_SETTINGS,
                 PM_WRITE_SETTINGS, true);
diff --git a/core/java/android/telephony/PhoneStateListener.java b/core/java/android/telephony/PhoneStateListener.java
index 146c1c3..7841f99 100644
--- a/core/java/android/telephony/PhoneStateListener.java
+++ b/core/java/android/telephony/PhoneStateListener.java
@@ -24,7 +24,6 @@
 import android.annotation.UnsupportedAppUsage;
 import android.os.Binder;
 import android.os.Build;
-import android.os.Bundle;
 import android.os.Handler;
 import android.os.HandlerExecutor;
 import android.os.Looper;
@@ -984,8 +983,11 @@
                     () -> mExecutor.execute(() -> psl.onCallForwardingIndicatorChanged(cfi)));
         }
 
-        public void onCellLocationChanged(Bundle bundle) {
-            CellLocation location = CellLocation.newFromBundle(bundle);
+        public void onCellLocationChanged(CellIdentity cellIdentity) {
+            // There is no system/public API to create an CellIdentity in system server,
+            // so the server pass a null to indicate an empty initial location.
+            CellLocation location =
+                    cellIdentity == null ? CellLocation.getEmpty() : cellIdentity.asCellLocation();
             PhoneStateListener psl = mPhoneStateListenerWeakRef.get();
             if (psl == null) return;
 
diff --git a/core/java/android/telephony/TelephonyRegistryManager.java b/core/java/android/telephony/TelephonyRegistryManager.java
index 8507e12..bfff3de 100644
--- a/core/java/android/telephony/TelephonyRegistryManager.java
+++ b/core/java/android/telephony/TelephonyRegistryManager.java
@@ -22,9 +22,6 @@
 import android.annotation.TestApi;
 import android.content.Context;
 import android.os.Binder;
-import android.os.Bundle;
-import android.os.Handler;
-import android.os.HandlerExecutor;
 import android.os.RemoteException;
 import android.os.ServiceManager;
 import android.telephony.Annotation.CallState;
@@ -642,10 +639,14 @@
     }
 
     /**
-     * TODO change from bundle to CellLocation?
+     * Notify {@link android.telephony.CellLocation} changed.
+     *
+     * <p>To be compatible with {@link TelephonyRegistry}, use {@link CellIdentity} which is
+     * parcelable, and convert to CellLocation in client code.
+     *
      * @hide
      */
-    public void notifyCellLocation(int subId, Bundle cellLocation) {
+    public void notifyCellLocation(int subId, CellIdentity cellLocation) {
         try {
             sRegistry.notifyCellLocationForSubscriber(subId, cellLocation);
         } catch (RemoteException ex) {
diff --git a/core/java/android/util/NtpTrustedTime.java b/core/java/android/util/NtpTrustedTime.java
index ea294f0..1b951a5 100644
--- a/core/java/android/util/NtpTrustedTime.java
+++ b/core/java/android/util/NtpTrustedTime.java
@@ -25,6 +25,7 @@
 import android.net.NetworkInfo;
 import android.net.SntpClient;
 import android.os.SystemClock;
+import android.os.TimestampedValue;
 import android.provider.Settings;
 import android.text.TextUtils;
 
diff --git a/core/java/android/view/Choreographer.java b/core/java/android/view/Choreographer.java
index 28eb79a..5b4ff52 100644
--- a/core/java/android/view/Choreographer.java
+++ b/core/java/android/view/Choreographer.java
@@ -16,12 +16,11 @@
 
 package android.view;
 
-import static android.view.DisplayEventReceiver.CONFIG_CHANGED_EVENT_SUPPRESS;
 import static android.view.DisplayEventReceiver.VSYNC_SOURCE_APP;
 import static android.view.DisplayEventReceiver.VSYNC_SOURCE_SURFACE_FLINGER;
 
 import android.annotation.TestApi;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.graphics.FrameInfo;
 import android.hardware.display.DisplayManagerGlobal;
 import android.os.Build;
diff --git a/core/java/android/view/ContextThemeWrapper.java b/core/java/android/view/ContextThemeWrapper.java
index 696e048..876331b 100644
--- a/core/java/android/view/ContextThemeWrapper.java
+++ b/core/java/android/view/ContextThemeWrapper.java
@@ -18,7 +18,7 @@
 
 import android.annotation.Nullable;
 import android.annotation.StyleRes;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.Context;
 import android.content.ContextWrapper;
 import android.content.res.AssetManager;
diff --git a/core/java/android/view/Display.java b/core/java/android/view/Display.java
index b3d98b8..7a818ce 100644
--- a/core/java/android/view/Display.java
+++ b/core/java/android/view/Display.java
@@ -22,8 +22,8 @@
 import android.annotation.Nullable;
 import android.annotation.RequiresPermission;
 import android.annotation.TestApi;
-import android.annotation.UnsupportedAppUsage;
 import android.app.KeyguardManager;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.res.CompatibilityInfo;
 import android.content.res.Configuration;
 import android.content.res.Resources;
diff --git a/core/java/android/view/DisplayAdjustments.java b/core/java/android/view/DisplayAdjustments.java
index da4d92fa..834dd7b 100644
--- a/core/java/android/view/DisplayAdjustments.java
+++ b/core/java/android/view/DisplayAdjustments.java
@@ -16,7 +16,7 @@
 
 package android.view;
 
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.res.CompatibilityInfo;
 import android.content.res.Configuration;
 
diff --git a/core/java/android/view/DisplayEventReceiver.java b/core/java/android/view/DisplayEventReceiver.java
index 91acc46..eaf297c 100644
--- a/core/java/android/view/DisplayEventReceiver.java
+++ b/core/java/android/view/DisplayEventReceiver.java
@@ -16,7 +16,7 @@
 
 package android.view;
 
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.os.Looper;
 import android.os.MessageQueue;
 import android.util.Log;
diff --git a/core/java/android/view/DisplayInfo.java b/core/java/android/view/DisplayInfo.java
index 2efebf6..f3b2800 100644
--- a/core/java/android/view/DisplayInfo.java
+++ b/core/java/android/view/DisplayInfo.java
@@ -23,7 +23,7 @@
 import static android.view.DisplayInfoProto.NAME;
 
 import android.annotation.Nullable;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.res.CompatibilityInfo;
 import android.content.res.Configuration;
 import android.graphics.Rect;
diff --git a/core/java/android/view/DisplayListCanvas.java b/core/java/android/view/DisplayListCanvas.java
index 8e6e99a..6035cbe 100644
--- a/core/java/android/view/DisplayListCanvas.java
+++ b/core/java/android/view/DisplayListCanvas.java
@@ -16,7 +16,7 @@
 
 package android.view;
 
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.graphics.BaseRecordingCanvas;
 import android.graphics.CanvasProperty;
 import android.graphics.Paint;
diff --git a/core/java/android/view/DragEvent.java b/core/java/android/view/DragEvent.java
index 2a43bcc..35af0f2 100644
--- a/core/java/android/view/DragEvent.java
+++ b/core/java/android/view/DragEvent.java
@@ -16,7 +16,7 @@
 
 package android.view;
 
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.ClipData;
 import android.content.ClipDescription;
 import android.os.Parcel;
diff --git a/core/java/android/view/FrameMetrics.java b/core/java/android/view/FrameMetrics.java
index dcdef3e..de4112c 100644
--- a/core/java/android/view/FrameMetrics.java
+++ b/core/java/android/view/FrameMetrics.java
@@ -17,7 +17,7 @@
 package android.view;
 
 import android.annotation.IntDef;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
diff --git a/core/java/android/view/FrameMetricsObserver.java b/core/java/android/view/FrameMetricsObserver.java
index 0f38e84..e4197ab 100644
--- a/core/java/android/view/FrameMetricsObserver.java
+++ b/core/java/android/view/FrameMetricsObserver.java
@@ -17,7 +17,7 @@
 package android.view;
 
 import android.annotation.NonNull;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.os.Looper;
 import android.os.MessageQueue;
 
diff --git a/core/java/android/view/GestureDetector.java b/core/java/android/view/GestureDetector.java
index 8fbbcf4..0fdbc9c 100644
--- a/core/java/android/view/GestureDetector.java
+++ b/core/java/android/view/GestureDetector.java
@@ -23,7 +23,7 @@
 import static android.util.StatsLog.TOUCH_GESTURE_CLASSIFIED__CLASSIFICATION__SINGLE_TAP;
 import static android.util.StatsLog.TOUCH_GESTURE_CLASSIFIED__CLASSIFICATION__UNKNOWN_CLASSIFICATION;
 
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.Context;
 import android.os.Build;
 import android.os.Handler;
diff --git a/core/java/android/view/GhostView.java b/core/java/android/view/GhostView.java
index 3286bd6..a728327 100644
--- a/core/java/android/view/GhostView.java
+++ b/core/java/android/view/GhostView.java
@@ -15,7 +15,7 @@
  */
 package android.view;
 
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.graphics.Canvas;
 import android.graphics.Matrix;
 import android.graphics.RecordingCanvas;
diff --git a/core/java/android/view/InputChannel.java b/core/java/android/view/InputChannel.java
index ecb727c..67c8b15 100644
--- a/core/java/android/view/InputChannel.java
+++ b/core/java/android/view/InputChannel.java
@@ -16,7 +16,7 @@
 
 package android.view;
 
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.os.IBinder;
 import android.os.Parcel;
 import android.os.Parcelable;
diff --git a/core/java/android/view/InputDevice.java b/core/java/android/view/InputDevice.java
index e723f91..360dedd 100644
--- a/core/java/android/view/InputDevice.java
+++ b/core/java/android/view/InputDevice.java
@@ -18,7 +18,7 @@
 
 import android.annotation.RequiresPermission;
 import android.annotation.TestApi;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.Context;
 import android.hardware.input.InputDeviceIdentifier;
 import android.hardware.input.InputManager;
diff --git a/core/java/android/view/InputEvent.java b/core/java/android/view/InputEvent.java
index 4b88a6a..5f9c480 100644
--- a/core/java/android/view/InputEvent.java
+++ b/core/java/android/view/InputEvent.java
@@ -16,7 +16,7 @@
 
 package android.view;
 
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.os.Parcel;
 import android.os.Parcelable;
 
diff --git a/core/java/android/view/InputEventConsistencyVerifier.java b/core/java/android/view/InputEventConsistencyVerifier.java
index e4b1a8d..c0a3cec 100644
--- a/core/java/android/view/InputEventConsistencyVerifier.java
+++ b/core/java/android/view/InputEventConsistencyVerifier.java
@@ -16,7 +16,7 @@
 
 package android.view;
 
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.os.Build;
 import android.util.Log;
 
diff --git a/core/java/android/view/InputEventReceiver.java b/core/java/android/view/InputEventReceiver.java
index 7260a65..cab8bc5 100644
--- a/core/java/android/view/InputEventReceiver.java
+++ b/core/java/android/view/InputEventReceiver.java
@@ -16,7 +16,7 @@
 
 package android.view;
 
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.os.Looper;
 import android.os.MessageQueue;
 import android.util.Log;
diff --git a/core/java/android/view/InputEventSender.java b/core/java/android/view/InputEventSender.java
index c5f4c23..86a309e 100644
--- a/core/java/android/view/InputEventSender.java
+++ b/core/java/android/view/InputEventSender.java
@@ -16,7 +16,7 @@
 
 package android.view;
 
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.os.Looper;
 import android.os.MessageQueue;
 import android.util.Log;
diff --git a/core/java/android/view/InputFilter.java b/core/java/android/view/InputFilter.java
index 3aaf31e..36d5586 100644
--- a/core/java/android/view/InputFilter.java
+++ b/core/java/android/view/InputFilter.java
@@ -16,7 +16,7 @@
 
 package android.view;
 
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.os.Handler;
 import android.os.Looper;
 import android.os.Message;
diff --git a/core/java/android/view/InputQueue.java b/core/java/android/view/InputQueue.java
index 69ebc46..74ce6ac 100644
--- a/core/java/android/view/InputQueue.java
+++ b/core/java/android/view/InputQueue.java
@@ -16,7 +16,7 @@
 
 package android.view;
 
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.os.Looper;
 import android.os.MessageQueue;
 import android.util.LongSparseArray;
diff --git a/core/java/android/view/KeyCharacterMap.java b/core/java/android/view/KeyCharacterMap.java
index bd03348..90e0f3f 100644
--- a/core/java/android/view/KeyCharacterMap.java
+++ b/core/java/android/view/KeyCharacterMap.java
@@ -16,7 +16,7 @@
 
 package android.view;
 
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.hardware.input.InputManager;
 import android.os.Parcel;
 import android.os.Parcelable;
diff --git a/core/java/android/view/KeyEvent.java b/core/java/android/view/KeyEvent.java
index 60db6a5..c638717 100644
--- a/core/java/android/view/KeyEvent.java
+++ b/core/java/android/view/KeyEvent.java
@@ -20,7 +20,7 @@
 
 import android.annotation.NonNull;
 import android.annotation.TestApi;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.os.Build;
 import android.os.Parcel;
 import android.os.Parcelable;
diff --git a/core/java/android/view/LayoutInflater.java b/core/java/android/view/LayoutInflater.java
index 1fc7f0e..bf646c7 100644
--- a/core/java/android/view/LayoutInflater.java
+++ b/core/java/android/view/LayoutInflater.java
@@ -21,7 +21,7 @@
 import android.annotation.Nullable;
 import android.annotation.SystemService;
 import android.annotation.TestApi;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.Context;
 import android.content.pm.ApplicationInfo;
 import android.content.res.Resources;
@@ -31,10 +31,7 @@
 import android.os.Build;
 import android.os.Handler;
 import android.os.Message;
-import android.os.SystemProperties;
 import android.os.Trace;
-import android.provider.DeviceConfig;
-import android.text.TextUtils;
 import android.util.AttributeSet;
 import android.util.Log;
 import android.util.TypedValue;
diff --git a/core/java/android/view/MotionEvent.java b/core/java/android/view/MotionEvent.java
index 833e78f..70873d7 100644
--- a/core/java/android/view/MotionEvent.java
+++ b/core/java/android/view/MotionEvent.java
@@ -22,7 +22,7 @@
 
 import android.annotation.IntDef;
 import android.annotation.TestApi;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.graphics.Matrix;
 import android.os.Build;
 import android.os.Parcel;
diff --git a/core/java/android/view/NotificationHeaderView.java b/core/java/android/view/NotificationHeaderView.java
index b2f3f5e..232e0f6 100644
--- a/core/java/android/view/NotificationHeaderView.java
+++ b/core/java/android/view/NotificationHeaderView.java
@@ -17,9 +17,9 @@
 package android.view;
 
 import android.annotation.Nullable;
-import android.annotation.UnsupportedAppUsage;
 import android.app.AppOpsManager;
 import android.app.Notification;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.Context;
 import android.content.res.Resources;
 import android.content.res.TypedArray;
diff --git a/core/java/android/view/PointerIcon.java b/core/java/android/view/PointerIcon.java
index dfe34c8..18d0d7b 100644
--- a/core/java/android/view/PointerIcon.java
+++ b/core/java/android/view/PointerIcon.java
@@ -17,8 +17,8 @@
 package android.view;
 
 import android.annotation.NonNull;
-import android.annotation.UnsupportedAppUsage;
 import android.annotation.XmlRes;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.Context;
 import android.content.res.Resources;
 import android.content.res.TypedArray;
diff --git a/core/java/android/view/RemoteAnimationAdapter.java b/core/java/android/view/RemoteAnimationAdapter.java
index c686440..166d3ba 100644
--- a/core/java/android/view/RemoteAnimationAdapter.java
+++ b/core/java/android/view/RemoteAnimationAdapter.java
@@ -16,8 +16,8 @@
 
 package android.view;
 
-import android.annotation.UnsupportedAppUsage;
 import android.app.ActivityOptions;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.os.Parcel;
 import android.os.Parcelable;
 
diff --git a/core/java/android/view/RemoteAnimationDefinition.java b/core/java/android/view/RemoteAnimationDefinition.java
index da599ef..c9bd92a 100644
--- a/core/java/android/view/RemoteAnimationDefinition.java
+++ b/core/java/android/view/RemoteAnimationDefinition.java
@@ -19,9 +19,9 @@
 import static android.app.WindowConfiguration.ACTIVITY_TYPE_UNDEFINED;
 
 import android.annotation.Nullable;
-import android.annotation.UnsupportedAppUsage;
 import android.app.WindowConfiguration;
 import android.app.WindowConfiguration.ActivityType;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.os.Parcel;
 import android.os.Parcelable;
 import android.util.ArraySet;
diff --git a/core/java/android/view/RemoteAnimationTarget.java b/core/java/android/view/RemoteAnimationTarget.java
index ae3e1d0..2249966 100644
--- a/core/java/android/view/RemoteAnimationTarget.java
+++ b/core/java/android/view/RemoteAnimationTarget.java
@@ -30,8 +30,8 @@
 import static android.view.RemoteAnimationTargetProto.WINDOW_CONFIGURATION;
 
 import android.annotation.IntDef;
-import android.annotation.UnsupportedAppUsage;
 import android.app.WindowConfiguration;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.graphics.Point;
 import android.graphics.Rect;
 import android.os.Parcel;
diff --git a/core/java/android/view/RenderNodeAnimator.java b/core/java/android/view/RenderNodeAnimator.java
index 93f52a0..06cb519 100644
--- a/core/java/android/view/RenderNodeAnimator.java
+++ b/core/java/android/view/RenderNodeAnimator.java
@@ -19,7 +19,7 @@
 import android.animation.Animator;
 import android.animation.TimeInterpolator;
 import android.animation.ValueAnimator;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.graphics.CanvasProperty;
 import android.graphics.Paint;
 import android.graphics.RecordingCanvas;
diff --git a/core/java/android/view/ScaleGestureDetector.java b/core/java/android/view/ScaleGestureDetector.java
index 1d72151..346f76c 100644
--- a/core/java/android/view/ScaleGestureDetector.java
+++ b/core/java/android/view/ScaleGestureDetector.java
@@ -16,7 +16,7 @@
 
 package android.view;
 
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.Context;
 import android.os.Build;
 import android.os.Handler;
diff --git a/core/java/android/view/Surface.java b/core/java/android/view/Surface.java
index 17f07b5..3a6c8dd 100644
--- a/core/java/android/view/Surface.java
+++ b/core/java/android/view/Surface.java
@@ -18,7 +18,7 @@
 
 import android.annotation.IntDef;
 import android.annotation.NonNull;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.res.CompatibilityInfo.Translator;
 import android.graphics.Canvas;
 import android.graphics.ColorSpace;
diff --git a/core/java/android/view/SurfaceControl.java b/core/java/android/view/SurfaceControl.java
index 2313b13..2c48af0 100644
--- a/core/java/android/view/SurfaceControl.java
+++ b/core/java/android/view/SurfaceControl.java
@@ -32,7 +32,7 @@
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.annotation.Size;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.graphics.Bitmap;
 import android.graphics.ColorSpace;
 import android.graphics.GraphicBuffer;
diff --git a/core/java/android/view/SurfaceSession.java b/core/java/android/view/SurfaceSession.java
index 361ac93..0f851c1 100644
--- a/core/java/android/view/SurfaceSession.java
+++ b/core/java/android/view/SurfaceSession.java
@@ -16,7 +16,7 @@
 
 package android.view;
 
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 
 /**
  * An instance of this class represents a connection to the surface
diff --git a/core/java/android/view/SurfaceView.java b/core/java/android/view/SurfaceView.java
index d11548d..ec2ab6a 100644
--- a/core/java/android/view/SurfaceView.java
+++ b/core/java/android/view/SurfaceView.java
@@ -20,7 +20,7 @@
 import static android.view.WindowManagerPolicyConstants.APPLICATION_MEDIA_SUBLAYER;
 import static android.view.WindowManagerPolicyConstants.APPLICATION_PANEL_SUBLAYER;
 
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.Context;
 import android.content.res.CompatibilityInfo.Translator;
 import android.graphics.BlendMode;
diff --git a/core/java/android/view/TextureView.java b/core/java/android/view/TextureView.java
index 0175ba2..2062bb0 100644
--- a/core/java/android/view/TextureView.java
+++ b/core/java/android/view/TextureView.java
@@ -17,7 +17,7 @@
 package android.view;
 
 import android.annotation.Nullable;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.Context;
 import android.graphics.Bitmap;
 import android.graphics.Canvas;
diff --git a/core/java/android/view/TouchDelegate.java b/core/java/android/view/TouchDelegate.java
index 2ea95e9..de0f9e5 100644
--- a/core/java/android/view/TouchDelegate.java
+++ b/core/java/android/view/TouchDelegate.java
@@ -17,7 +17,7 @@
 package android.view;
 
 import android.annotation.NonNull;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.graphics.Rect;
 import android.graphics.Region;
 import android.util.ArrayMap;
diff --git a/core/java/android/view/VelocityTracker.java b/core/java/android/view/VelocityTracker.java
index 7154f2b..a56633e 100644
--- a/core/java/android/view/VelocityTracker.java
+++ b/core/java/android/view/VelocityTracker.java
@@ -16,7 +16,7 @@
 
 package android.view;
 
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.util.Pools.SynchronizedPool;
 
 /**
diff --git a/core/java/android/view/View.java b/core/java/android/view/View.java
index 9d2040c..3313537 100644
--- a/core/java/android/view/View.java
+++ b/core/java/android/view/View.java
@@ -43,7 +43,7 @@
 import android.annotation.StyleRes;
 import android.annotation.TestApi;
 import android.annotation.UiThread;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.AutofillOptions;
 import android.content.ClipData;
 import android.content.Context;
diff --git a/core/java/android/view/ViewConfiguration.java b/core/java/android/view/ViewConfiguration.java
index 9e914d4..774a2de 100644
--- a/core/java/android/view/ViewConfiguration.java
+++ b/core/java/android/view/ViewConfiguration.java
@@ -18,8 +18,8 @@
 
 import android.annotation.FloatRange;
 import android.annotation.TestApi;
-import android.annotation.UnsupportedAppUsage;
 import android.app.AppGlobals;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.Context;
 import android.content.res.Configuration;
 import android.content.res.Resources;
diff --git a/core/java/android/view/ViewDebug.java b/core/java/android/view/ViewDebug.java
index c67fca5..dda7b26 100644
--- a/core/java/android/view/ViewDebug.java
+++ b/core/java/android/view/ViewDebug.java
@@ -19,7 +19,7 @@
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.annotation.TestApi;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.Context;
 import android.content.res.Resources;
 import android.graphics.Bitmap;
diff --git a/core/java/android/view/ViewGroup.java b/core/java/android/view/ViewGroup.java
index 937bd1b..6125aad 100644
--- a/core/java/android/view/ViewGroup.java
+++ b/core/java/android/view/ViewGroup.java
@@ -24,7 +24,7 @@
 import android.annotation.NonNull;
 import android.annotation.TestApi;
 import android.annotation.UiThread;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.ClipData;
 import android.content.Context;
 import android.content.Intent;
diff --git a/core/java/android/view/ViewHierarchyEncoder.java b/core/java/android/view/ViewHierarchyEncoder.java
index d5716bf..b0e0524 100644
--- a/core/java/android/view/ViewHierarchyEncoder.java
+++ b/core/java/android/view/ViewHierarchyEncoder.java
@@ -2,7 +2,7 @@
 
 import android.annotation.NonNull;
 import android.annotation.Nullable;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 
 import java.io.ByteArrayOutputStream;
 import java.io.DataOutputStream;
diff --git a/core/java/android/view/ViewOverlay.java b/core/java/android/view/ViewOverlay.java
index e23c687..7830c57 100644
--- a/core/java/android/view/ViewOverlay.java
+++ b/core/java/android/view/ViewOverlay.java
@@ -17,7 +17,7 @@
 
 import android.animation.LayoutTransition;
 import android.annotation.NonNull;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.Context;
 import android.graphics.Canvas;
 import android.graphics.Rect;
diff --git a/core/java/android/view/ViewRootImpl.java b/core/java/android/view/ViewRootImpl.java
index 57a01a3..1ab3d3a 100644
--- a/core/java/android/view/ViewRootImpl.java
+++ b/core/java/android/view/ViewRootImpl.java
@@ -32,10 +32,10 @@
 import android.annotation.AnyThread;
 import android.annotation.NonNull;
 import android.annotation.Nullable;
-import android.annotation.UnsupportedAppUsage;
 import android.app.ActivityManager;
 import android.app.ActivityThread;
 import android.app.ResourcesManager;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.ClipData;
 import android.content.ClipDescription;
 import android.content.Context;
diff --git a/core/java/android/view/ViewTreeObserver.java b/core/java/android/view/ViewTreeObserver.java
index c72baca..d7b0afc 100644
--- a/core/java/android/view/ViewTreeObserver.java
+++ b/core/java/android/view/ViewTreeObserver.java
@@ -18,7 +18,7 @@
 
 import android.annotation.NonNull;
 import android.annotation.Nullable;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.Context;
 import android.graphics.Rect;
 import android.graphics.Region;
diff --git a/core/java/android/view/Window.java b/core/java/android/view/Window.java
index 73e0e4b..cdafa47 100644
--- a/core/java/android/view/Window.java
+++ b/core/java/android/view/Window.java
@@ -26,8 +26,8 @@
 import android.annotation.Nullable;
 import android.annotation.StyleRes;
 import android.annotation.SystemApi;
-import android.annotation.UnsupportedAppUsage;
 import android.app.WindowConfiguration;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.Context;
 import android.content.pm.ActivityInfo;
 import android.content.res.Configuration;
diff --git a/core/java/android/view/WindowAnimationFrameStats.java b/core/java/android/view/WindowAnimationFrameStats.java
index 399dfba..dfc4f0c 100644
--- a/core/java/android/view/WindowAnimationFrameStats.java
+++ b/core/java/android/view/WindowAnimationFrameStats.java
@@ -16,7 +16,7 @@
 
 package android.view;
 
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.os.Parcel;
 import android.os.Parcelable;
 
diff --git a/core/java/android/view/WindowContentFrameStats.java b/core/java/android/view/WindowContentFrameStats.java
index 9fa5a00..217197c 100644
--- a/core/java/android/view/WindowContentFrameStats.java
+++ b/core/java/android/view/WindowContentFrameStats.java
@@ -16,7 +16,7 @@
 
 package android.view;
 
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.os.Parcel;
 import android.os.Parcelable;
 
diff --git a/core/java/android/view/WindowInsets.java b/core/java/android/view/WindowInsets.java
index bcc6a55..87bc534 100644
--- a/core/java/android/view/WindowInsets.java
+++ b/core/java/android/view/WindowInsets.java
@@ -34,7 +34,7 @@
 import android.annotation.IntRange;
 import android.annotation.NonNull;
 import android.annotation.Nullable;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.Intent;
 import android.graphics.Insets;
 import android.graphics.Rect;
diff --git a/core/java/android/view/WindowManager.java b/core/java/android/view/WindowManager.java
index 7433b6c..d9d9278 100644
--- a/core/java/android/view/WindowManager.java
+++ b/core/java/android/view/WindowManager.java
@@ -50,9 +50,9 @@
 import android.annotation.SystemApi;
 import android.annotation.SystemService;
 import android.annotation.TestApi;
-import android.annotation.UnsupportedAppUsage;
 import android.app.KeyguardManager;
 import android.app.Presentation;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.Context;
 import android.content.pm.ActivityInfo;
 import android.graphics.PixelFormat;
diff --git a/core/java/android/view/WindowManagerGlobal.java b/core/java/android/view/WindowManagerGlobal.java
index 379acbe..a930abe 100644
--- a/core/java/android/view/WindowManagerGlobal.java
+++ b/core/java/android/view/WindowManagerGlobal.java
@@ -18,8 +18,8 @@
 
 import android.animation.ValueAnimator;
 import android.annotation.NonNull;
-import android.annotation.UnsupportedAppUsage;
 import android.app.ActivityManager;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.ComponentCallbacks2;
 import android.content.Context;
 import android.content.pm.ApplicationInfo;
diff --git a/core/java/android/view/WindowManagerImpl.java b/core/java/android/view/WindowManagerImpl.java
index c349443..cdeeaa4 100644
--- a/core/java/android/view/WindowManagerImpl.java
+++ b/core/java/android/view/WindowManagerImpl.java
@@ -17,7 +17,7 @@
 package android.view;
 
 import android.annotation.NonNull;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.Context;
 import android.graphics.Region;
 import android.os.Bundle;
diff --git a/core/java/android/view/accessibility/AccessibilityEvent.java b/core/java/android/view/accessibility/AccessibilityEvent.java
index 2ac44d2..2ba9f94 100644
--- a/core/java/android/view/accessibility/AccessibilityEvent.java
+++ b/core/java/android/view/accessibility/AccessibilityEvent.java
@@ -17,7 +17,7 @@
 package android.view.accessibility;
 
 import android.annotation.IntDef;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.os.Build;
 import android.os.Parcel;
 import android.os.Parcelable;
diff --git a/core/java/android/view/accessibility/AccessibilityInteractionClient.java b/core/java/android/view/accessibility/AccessibilityInteractionClient.java
index 4db6f4f..723da77 100644
--- a/core/java/android/view/accessibility/AccessibilityInteractionClient.java
+++ b/core/java/android/view/accessibility/AccessibilityInteractionClient.java
@@ -17,7 +17,7 @@
 package android.view.accessibility;
 
 import android.accessibilityservice.IAccessibilityServiceConnection;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.os.Binder;
 import android.os.Build;
 import android.os.Bundle;
diff --git a/core/java/android/view/accessibility/AccessibilityManager.java b/core/java/android/view/accessibility/AccessibilityManager.java
index 2e9d881..747bd70 100644
--- a/core/java/android/view/accessibility/AccessibilityManager.java
+++ b/core/java/android/view/accessibility/AccessibilityManager.java
@@ -29,7 +29,7 @@
 import android.annotation.SystemApi;
 import android.annotation.SystemService;
 import android.annotation.TestApi;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.ComponentName;
 import android.content.Context;
 import android.content.pm.PackageManager;
diff --git a/core/java/android/view/accessibility/AccessibilityNodeInfo.java b/core/java/android/view/accessibility/AccessibilityNodeInfo.java
index 3b310fc..8e61a5e 100644
--- a/core/java/android/view/accessibility/AccessibilityNodeInfo.java
+++ b/core/java/android/view/accessibility/AccessibilityNodeInfo.java
@@ -26,7 +26,7 @@
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.annotation.TestApi;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.graphics.Rect;
 import android.graphics.Region;
 import android.os.Bundle;
diff --git a/core/java/android/view/accessibility/AccessibilityRecord.java b/core/java/android/view/accessibility/AccessibilityRecord.java
index b382a18..37c3a13 100644
--- a/core/java/android/view/accessibility/AccessibilityRecord.java
+++ b/core/java/android/view/accessibility/AccessibilityRecord.java
@@ -19,7 +19,7 @@
 import static com.android.internal.util.CollectionUtils.isEmpty;
 
 import android.annotation.Nullable;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.os.Parcelable;
 import android.view.View;
 
diff --git a/core/java/android/view/accessibility/CaptioningManager.java b/core/java/android/view/accessibility/CaptioningManager.java
index c42e9fe..3d68692 100644
--- a/core/java/android/view/accessibility/CaptioningManager.java
+++ b/core/java/android/view/accessibility/CaptioningManager.java
@@ -19,7 +19,7 @@
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.annotation.SystemService;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.ContentResolver;
 import android.content.Context;
 import android.database.ContentObserver;
diff --git a/core/java/android/view/animation/Animation.java b/core/java/android/view/animation/Animation.java
index 3b60aee..43dcafc 100644
--- a/core/java/android/view/animation/Animation.java
+++ b/core/java/android/view/animation/Animation.java
@@ -19,7 +19,7 @@
 import android.annotation.AnimRes;
 import android.annotation.ColorInt;
 import android.annotation.InterpolatorRes;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.Context;
 import android.content.res.TypedArray;
 import android.graphics.RectF;
diff --git a/core/java/android/view/animation/AnimationUtils.java b/core/java/android/view/animation/AnimationUtils.java
index c877b9c..075b0ab 100644
--- a/core/java/android/view/animation/AnimationUtils.java
+++ b/core/java/android/view/animation/AnimationUtils.java
@@ -19,7 +19,7 @@
 import android.annotation.AnimRes;
 import android.annotation.InterpolatorRes;
 import android.annotation.TestApi;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.Context;
 import android.content.res.Resources;
 import android.content.res.Resources.NotFoundException;
diff --git a/core/java/android/view/animation/Transformation.java b/core/java/android/view/animation/Transformation.java
index 58da04d..cfc6e39 100644
--- a/core/java/android/view/animation/Transformation.java
+++ b/core/java/android/view/animation/Transformation.java
@@ -17,7 +17,7 @@
 package android.view.animation;
 
 import android.annotation.FloatRange;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.graphics.Matrix;
 import android.graphics.Rect;
 
diff --git a/core/java/android/view/animation/TranslateAnimation.java b/core/java/android/view/animation/TranslateAnimation.java
index 6c040d4..ec55a02 100644
--- a/core/java/android/view/animation/TranslateAnimation.java
+++ b/core/java/android/view/animation/TranslateAnimation.java
@@ -16,7 +16,7 @@
 
 package android.view.animation;
 
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.Context;
 import android.content.res.TypedArray;
 import android.util.AttributeSet;
diff --git a/core/java/android/view/animation/TranslateYAnimation.java b/core/java/android/view/animation/TranslateYAnimation.java
index a6e0ccb..1a1dfbf 100644
--- a/core/java/android/view/animation/TranslateYAnimation.java
+++ b/core/java/android/view/animation/TranslateYAnimation.java
@@ -16,7 +16,7 @@
 
 package android.view.animation;
 
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.graphics.Matrix;
 
 /**
diff --git a/core/java/android/view/inputmethod/InputMethodInfo.java b/core/java/android/view/inputmethod/InputMethodInfo.java
index fe07fee..34005ac 100644
--- a/core/java/android/view/inputmethod/InputMethodInfo.java
+++ b/core/java/android/view/inputmethod/InputMethodInfo.java
@@ -17,7 +17,7 @@
 package android.view.inputmethod;
 
 import android.annotation.NonNull;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.ComponentName;
 import android.content.Context;
 import android.content.pm.ApplicationInfo;
diff --git a/core/java/android/view/inputmethod/InputMethodManager.java b/core/java/android/view/inputmethod/InputMethodManager.java
index 032af1c..d395f52 100644
--- a/core/java/android/view/inputmethod/InputMethodManager.java
+++ b/core/java/android/view/inputmethod/InputMethodManager.java
@@ -26,9 +26,9 @@
 import android.annotation.RequiresPermission;
 import android.annotation.SystemService;
 import android.annotation.TestApi;
-import android.annotation.UnsupportedAppUsage;
 import android.annotation.UserIdInt;
 import android.app.ActivityThread;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.ComponentName;
 import android.content.ContentResolver;
 import android.content.Context;
@@ -2830,7 +2830,7 @@
     }
 
     /**
-     * This is kept due to {@link android.annotation.UnsupportedAppUsage}.
+     * This is kept due to {@link android.compat.annotation.UnsupportedAppUsage}.
      *
      * <p>TODO(Bug 113914148): Check if we can remove this.  We have accidentally exposed
      * WindowManagerInternal#getInputMethodWindowVisibleHeight to app developers and some of them
diff --git a/core/java/android/view/inputmethod/InputMethodSubtypeArray.java b/core/java/android/view/inputmethod/InputMethodSubtypeArray.java
index 8dd0dcd..50e95c8 100644
--- a/core/java/android/view/inputmethod/InputMethodSubtypeArray.java
+++ b/core/java/android/view/inputmethod/InputMethodSubtypeArray.java
@@ -16,7 +16,7 @@
 
 package android.view.inputmethod;
 
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.os.Parcel;
 import android.util.Slog;
 
diff --git a/core/java/android/view/textclassifier/TextClassificationManager.java b/core/java/android/view/textclassifier/TextClassificationManager.java
index 95ca9de..526ac6f 100644
--- a/core/java/android/view/textclassifier/TextClassificationManager.java
+++ b/core/java/android/view/textclassifier/TextClassificationManager.java
@@ -19,8 +19,8 @@
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.annotation.SystemService;
-import android.annotation.UnsupportedAppUsage;
 import android.app.ActivityThread;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.Context;
 import android.database.ContentObserver;
 import android.os.ServiceManager;
diff --git a/core/java/android/view/textclassifier/logging/SmartSelectionEventTracker.java b/core/java/android/view/textclassifier/logging/SmartSelectionEventTracker.java
index b530ddf..05d12ce 100644
--- a/core/java/android/view/textclassifier/logging/SmartSelectionEventTracker.java
+++ b/core/java/android/view/textclassifier/logging/SmartSelectionEventTracker.java
@@ -19,7 +19,7 @@
 import android.annotation.IntDef;
 import android.annotation.NonNull;
 import android.annotation.Nullable;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.Context;
 import android.metrics.LogMaker;
 import android.util.Log;
diff --git a/core/java/android/view/textservice/SpellCheckerSession.java b/core/java/android/view/textservice/SpellCheckerSession.java
index f553ca5..afddaa2 100644
--- a/core/java/android/view/textservice/SpellCheckerSession.java
+++ b/core/java/android/view/textservice/SpellCheckerSession.java
@@ -16,7 +16,7 @@
 
 package android.view.textservice;
 
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.os.Binder;
 import android.os.Handler;
 import android.os.HandlerThread;
diff --git a/core/java/android/view/textservice/TextServicesManager.java b/core/java/android/view/textservice/TextServicesManager.java
index 9ff64d9..acb35d6 100644
--- a/core/java/android/view/textservice/TextServicesManager.java
+++ b/core/java/android/view/textservice/TextServicesManager.java
@@ -18,8 +18,8 @@
 
 import android.annotation.NonNull;
 import android.annotation.SystemService;
-import android.annotation.UnsupportedAppUsage;
 import android.annotation.UserIdInt;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.Context;
 import android.os.Bundle;
 import android.os.RemoteException;
diff --git a/core/java/android/webkit/CacheManager.java b/core/java/android/webkit/CacheManager.java
index 7e06719..fafe813 100644
--- a/core/java/android/webkit/CacheManager.java
+++ b/core/java/android/webkit/CacheManager.java
@@ -17,7 +17,7 @@
 package android.webkit;
 
 import android.annotation.Nullable;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 
 import java.io.File;
 import java.io.IOException;
diff --git a/core/java/android/webkit/ConsoleMessage.java b/core/java/android/webkit/ConsoleMessage.java
index e548497..5474557 100644
--- a/core/java/android/webkit/ConsoleMessage.java
+++ b/core/java/android/webkit/ConsoleMessage.java
@@ -16,7 +16,7 @@
 
 package android.webkit;
 
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.os.Build;
 
 /**
diff --git a/core/java/android/webkit/JsResult.java b/core/java/android/webkit/JsResult.java
index 5bf6aab..448db58e 100644
--- a/core/java/android/webkit/JsResult.java
+++ b/core/java/android/webkit/JsResult.java
@@ -17,7 +17,7 @@
 package android.webkit;
 
 import android.annotation.SystemApi;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 
 /**
  * An instance of this class is passed as a parameter in various {@link WebChromeClient} action
diff --git a/core/java/android/webkit/PluginData.java b/core/java/android/webkit/PluginData.java
index 8aeeb1c..c9a1960 100644
--- a/core/java/android/webkit/PluginData.java
+++ b/core/java/android/webkit/PluginData.java
@@ -16,7 +16,8 @@
 
 package android.webkit;
 
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
+
 import java.io.InputStream;
 import java.util.Map;
 
diff --git a/core/java/android/webkit/URLUtil.java b/core/java/android/webkit/URLUtil.java
index 5d704cb0..844b156 100644
--- a/core/java/android/webkit/URLUtil.java
+++ b/core/java/android/webkit/URLUtil.java
@@ -17,7 +17,7 @@
 package android.webkit;
 
 import android.annotation.Nullable;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.net.ParseException;
 import android.net.Uri;
 import android.net.WebAddress;
diff --git a/core/java/android/webkit/UrlInterceptHandler.java b/core/java/android/webkit/UrlInterceptHandler.java
index f23aae6..a48e107 100644
--- a/core/java/android/webkit/UrlInterceptHandler.java
+++ b/core/java/android/webkit/UrlInterceptHandler.java
@@ -17,9 +17,8 @@
 package android.webkit;
 
 import android.annotation.Nullable;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.webkit.CacheManager.CacheResult;
-import android.webkit.PluginData;
 
 import java.util.Map;
 
diff --git a/core/java/android/webkit/UrlInterceptRegistry.java b/core/java/android/webkit/UrlInterceptRegistry.java
index eeb28d7..c9dee00 100644
--- a/core/java/android/webkit/UrlInterceptRegistry.java
+++ b/core/java/android/webkit/UrlInterceptRegistry.java
@@ -17,10 +17,8 @@
 package android.webkit;
 
 import android.annotation.Nullable;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.webkit.CacheManager.CacheResult;
-import android.webkit.PluginData;
-import android.webkit.UrlInterceptHandler;
 
 import java.util.Iterator;
 import java.util.LinkedList;
diff --git a/core/java/android/webkit/WebResourceResponse.java b/core/java/android/webkit/WebResourceResponse.java
index 7c8f33e..219523b 100644
--- a/core/java/android/webkit/WebResourceResponse.java
+++ b/core/java/android/webkit/WebResourceResponse.java
@@ -18,7 +18,7 @@
 
 import android.annotation.NonNull;
 import android.annotation.SystemApi;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 
 import java.io.InputStream;
 import java.io.StringBufferInputStream;
diff --git a/core/java/android/webkit/WebSettings.java b/core/java/android/webkit/WebSettings.java
index 7282008..8a5b64d 100644
--- a/core/java/android/webkit/WebSettings.java
+++ b/core/java/android/webkit/WebSettings.java
@@ -19,7 +19,7 @@
 import android.annotation.IntDef;
 import android.annotation.Nullable;
 import android.annotation.SystemApi;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.Context;
 
 import java.lang.annotation.ElementType;
diff --git a/core/java/android/webkit/WebSyncManager.java b/core/java/android/webkit/WebSyncManager.java
index e44d6eb..7046c51 100644
--- a/core/java/android/webkit/WebSyncManager.java
+++ b/core/java/android/webkit/WebSyncManager.java
@@ -16,7 +16,7 @@
 
 package android.webkit;
 
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.Context;
 
 /**
diff --git a/core/java/android/webkit/WebView.java b/core/java/android/webkit/WebView.java
index 721ac2d..271d5be 100644
--- a/core/java/android/webkit/WebView.java
+++ b/core/java/android/webkit/WebView.java
@@ -21,8 +21,8 @@
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.annotation.SystemApi;
-import android.annotation.UnsupportedAppUsage;
 import android.annotation.Widget;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.Context;
 import android.content.Intent;
 import android.content.pm.PackageInfo;
diff --git a/core/java/android/webkit/WebViewDelegate.java b/core/java/android/webkit/WebViewDelegate.java
index f5657df..df86926 100644
--- a/core/java/android/webkit/WebViewDelegate.java
+++ b/core/java/android/webkit/WebViewDelegate.java
@@ -19,10 +19,10 @@
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.annotation.SystemApi;
-import android.annotation.UnsupportedAppUsage;
 import android.app.ActivityThread;
 import android.app.Application;
 import android.app.ResourcesManager;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.Context;
 import android.content.pm.ApplicationInfo;
 import android.content.res.Resources;
diff --git a/core/java/android/webkit/WebViewFactory.java b/core/java/android/webkit/WebViewFactory.java
index 678a252..941af6e 100644
--- a/core/java/android/webkit/WebViewFactory.java
+++ b/core/java/android/webkit/WebViewFactory.java
@@ -17,10 +17,10 @@
 package android.webkit;
 
 import android.annotation.SystemApi;
-import android.annotation.UnsupportedAppUsage;
 import android.app.ActivityManager;
 import android.app.AppGlobals;
 import android.app.Application;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.Context;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageInfo;
diff --git a/core/java/android/webkit/WebViewProviderInfo.java b/core/java/android/webkit/WebViewProviderInfo.java
index 7e00cde..6629fdc4 100644
--- a/core/java/android/webkit/WebViewProviderInfo.java
+++ b/core/java/android/webkit/WebViewProviderInfo.java
@@ -17,7 +17,7 @@
 package android.webkit;
 
 import android.annotation.SystemApi;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.pm.Signature;
 import android.os.Parcel;
 import android.os.Parcelable;
diff --git a/core/java/android/webkit/WebViewProviderResponse.java b/core/java/android/webkit/WebViewProviderResponse.java
index 5622abe..b58cc4bb 100644
--- a/core/java/android/webkit/WebViewProviderResponse.java
+++ b/core/java/android/webkit/WebViewProviderResponse.java
@@ -16,7 +16,7 @@
 
 package android.webkit;
 
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.pm.PackageInfo;
 import android.os.Parcel;
 import android.os.Parcelable;
diff --git a/core/java/android/webkit/WebViewUpdateService.java b/core/java/android/webkit/WebViewUpdateService.java
index 12d3221..9152b43 100644
--- a/core/java/android/webkit/WebViewUpdateService.java
+++ b/core/java/android/webkit/WebViewUpdateService.java
@@ -17,7 +17,7 @@
 package android.webkit;
 
 import android.annotation.SystemApi;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.os.RemoteException;
 
 /**
diff --git a/core/java/android/widget/AbsListView.java b/core/java/android/widget/AbsListView.java
index 85e9e49..2d99eab 100644
--- a/core/java/android/widget/AbsListView.java
+++ b/core/java/android/widget/AbsListView.java
@@ -20,7 +20,7 @@
 import android.annotation.DrawableRes;
 import android.annotation.NonNull;
 import android.annotation.TestApi;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.Context;
 import android.content.Intent;
 import android.content.res.Configuration;
diff --git a/core/java/android/widget/AbsSeekBar.java b/core/java/android/widget/AbsSeekBar.java
index bbcba2e..11a6acf 100644
--- a/core/java/android/widget/AbsSeekBar.java
+++ b/core/java/android/widget/AbsSeekBar.java
@@ -18,7 +18,7 @@
 
 import android.annotation.NonNull;
 import android.annotation.Nullable;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.Context;
 import android.content.res.ColorStateList;
 import android.content.res.TypedArray;
diff --git a/core/java/android/widget/ActionMenuPresenter.java b/core/java/android/widget/ActionMenuPresenter.java
index cfb93ec..aa3590a 100644
--- a/core/java/android/widget/ActionMenuPresenter.java
+++ b/core/java/android/widget/ActionMenuPresenter.java
@@ -22,7 +22,7 @@
 import android.animation.PropertyValuesHolder;
 import android.annotation.NonNull;
 import android.annotation.Nullable;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.Context;
 import android.content.res.Configuration;
 import android.content.res.Resources;
diff --git a/core/java/android/widget/ActionMenuView.java b/core/java/android/widget/ActionMenuView.java
index 7e58622..3a74356 100644
--- a/core/java/android/widget/ActionMenuView.java
+++ b/core/java/android/widget/ActionMenuView.java
@@ -18,7 +18,7 @@
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.annotation.StyleRes;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.Context;
 import android.content.res.Configuration;
 import android.graphics.drawable.Drawable;
diff --git a/core/java/android/widget/ActivityChooserModel.java b/core/java/android/widget/ActivityChooserModel.java
index f5bf759..d87bdf4 100644
--- a/core/java/android/widget/ActivityChooserModel.java
+++ b/core/java/android/widget/ActivityChooserModel.java
@@ -16,8 +16,8 @@
 
 package android.widget;
 
-import android.annotation.UnsupportedAppUsage;
 import android.app.ActivityManager;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
diff --git a/core/java/android/widget/ActivityChooserView.java b/core/java/android/widget/ActivityChooserView.java
index 89ea074..aa18d57 100644
--- a/core/java/android/widget/ActivityChooserView.java
+++ b/core/java/android/widget/ActivityChooserView.java
@@ -17,7 +17,7 @@
 package android.widget;
 
 import android.annotation.StringRes;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.Context;
 import android.content.Intent;
 import android.content.pm.PackageManager;
diff --git a/core/java/android/widget/AdapterView.java b/core/java/android/widget/AdapterView.java
index c55f7d6..5265840 100644
--- a/core/java/android/widget/AdapterView.java
+++ b/core/java/android/widget/AdapterView.java
@@ -18,7 +18,7 @@
 
 import android.annotation.NonNull;
 import android.annotation.Nullable;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.Context;
 import android.database.DataSetObserver;
 import android.os.Build;
diff --git a/core/java/android/widget/AnalogClock.java b/core/java/android/widget/AnalogClock.java
index 67a70b4..d165bd0 100644
--- a/core/java/android/widget/AnalogClock.java
+++ b/core/java/android/widget/AnalogClock.java
@@ -16,7 +16,7 @@
 
 package android.widget;
 
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
diff --git a/core/java/android/widget/ArrayAdapter.java b/core/java/android/widget/ArrayAdapter.java
index 2bf1ba5..6c38c8b 100644
--- a/core/java/android/widget/ArrayAdapter.java
+++ b/core/java/android/widget/ArrayAdapter.java
@@ -21,7 +21,7 @@
 import android.annotation.LayoutRes;
 import android.annotation.NonNull;
 import android.annotation.Nullable;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.Context;
 import android.content.res.Resources;
 import android.util.Log;
diff --git a/core/java/android/widget/AutoCompleteTextView.java b/core/java/android/widget/AutoCompleteTextView.java
index 8785251..8d9ae58 100644
--- a/core/java/android/widget/AutoCompleteTextView.java
+++ b/core/java/android/widget/AutoCompleteTextView.java
@@ -18,7 +18,7 @@
 
 import android.annotation.DrawableRes;
 import android.annotation.IntDef;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.Context;
 import android.content.res.Resources.Theme;
 import android.content.res.TypedArray;
diff --git a/core/java/android/widget/BaseAdapter.java b/core/java/android/widget/BaseAdapter.java
index 7b9365b..27cf9a6 100644
--- a/core/java/android/widget/BaseAdapter.java
+++ b/core/java/android/widget/BaseAdapter.java
@@ -17,7 +17,7 @@
 package android.widget;
 
 import android.annotation.Nullable;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.database.DataSetObservable;
 import android.database.DataSetObserver;
 import android.view.View;
diff --git a/core/java/android/widget/CalendarView.java b/core/java/android/widget/CalendarView.java
index b552aa6..4b2f738 100644
--- a/core/java/android/widget/CalendarView.java
+++ b/core/java/android/widget/CalendarView.java
@@ -23,8 +23,8 @@
 import android.annotation.Nullable;
 import android.annotation.StyleRes;
 import android.annotation.TestApi;
-import android.annotation.UnsupportedAppUsage;
 import android.annotation.Widget;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.Context;
 import android.content.res.Configuration;
 import android.content.res.TypedArray;
diff --git a/core/java/android/widget/CheckedTextView.java b/core/java/android/widget/CheckedTextView.java
index 8b70f41..422d2d3 100644
--- a/core/java/android/widget/CheckedTextView.java
+++ b/core/java/android/widget/CheckedTextView.java
@@ -19,7 +19,7 @@
 import android.annotation.DrawableRes;
 import android.annotation.NonNull;
 import android.annotation.Nullable;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.Context;
 import android.content.res.ColorStateList;
 import android.content.res.TypedArray;
diff --git a/core/java/com/android/internal/telephony/IPhoneStateListener.aidl b/core/java/com/android/internal/telephony/IPhoneStateListener.aidl
index cb67309..6c7e3dc 100644
--- a/core/java/com/android/internal/telephony/IPhoneStateListener.aidl
+++ b/core/java/com/android/internal/telephony/IPhoneStateListener.aidl
@@ -16,8 +16,8 @@
 
 package com.android.internal.telephony;
 
-import android.os.Bundle;
 import android.telephony.CallAttributes;
+import android.telephony.CellIdentity;
 import android.telephony.CellInfo;
 import android.telephony.DataConnectionRealTimeInfo;
 import android.telephony.PhoneCapability;
@@ -37,8 +37,8 @@
     void onMessageWaitingIndicatorChanged(boolean mwi);
     void onCallForwardingIndicatorChanged(boolean cfi);
 
-    // we use bundle here instead of CellLocation so it can get the right subclass
-    void onCellLocationChanged(in Bundle location);
+    // Uses CellIdentity which is Parcelable here; will convert to CellLocation in client.
+    void onCellLocationChanged(in CellIdentity location);
     void onCallStateChanged(int state, String incomingNumber);
     void onDataConnectionStateChanged(int state, int networkType);
     void onDataActivity(int direction);
@@ -63,4 +63,3 @@
     void onCallDisconnectCauseChanged(in int disconnectCause, in int preciseDisconnectCause);
     void onImsCallDisconnectCauseChanged(in ImsReasonInfo imsReasonInfo);
 }
-
diff --git a/core/java/com/android/internal/telephony/ITelephonyRegistry.aidl b/core/java/com/android/internal/telephony/ITelephonyRegistry.aidl
index 5228584..29cd187 100644
--- a/core/java/com/android/internal/telephony/ITelephonyRegistry.aidl
+++ b/core/java/com/android/internal/telephony/ITelephonyRegistry.aidl
@@ -19,8 +19,8 @@
 import android.content.Intent;
 import android.net.LinkProperties;
 import android.net.NetworkCapabilities;
-import android.os.Bundle;
 import android.telephony.CallQuality;
+import android.telephony.CellIdentity;
 import android.telephony.CellInfo;
 import android.telephony.ims.ImsReasonInfo;
 import android.telephony.PhoneCapability;
@@ -67,9 +67,9 @@
     @UnsupportedAppUsage
     void notifyDataConnectionFailed(String apnType);
     void notifyDataConnectionFailedForSubscriber(int phoneId, int subId, String apnType);
-    @UnsupportedAppUsage(maxTargetSdk = 28)
-    void notifyCellLocation(in Bundle cellLocation);
-    void notifyCellLocationForSubscriber(in int subId, in Bundle cellLocation);
+    // Uses CellIdentity which is Parcelable here; will convert to CellLocation in client.
+    void notifyCellLocation(in CellIdentity cellLocation);
+    void notifyCellLocationForSubscriber(in int subId, in CellIdentity cellLocation);
     @UnsupportedAppUsage
     void notifyCellInfo(in List<CellInfo> cellInfo);
     void notifyPreciseCallState(int phoneId, int subId, int ringingCallState,
diff --git a/core/java/com/android/internal/util/Preconditions.java b/core/java/com/android/internal/util/Preconditions.java
index 3fff5c2..994a01c 100644
--- a/core/java/com/android/internal/util/Preconditions.java
+++ b/core/java/com/android/internal/util/Preconditions.java
@@ -126,7 +126,9 @@
      * @param reference an object reference
      * @return the non-null reference that was validated
      * @throws NullPointerException if {@code reference} is null
+     * @deprecated - use {@link java.util.Objects.requireNonNull} instead.
      */
+    @Deprecated
     @UnsupportedAppUsage
     public static @NonNull <T> T checkNotNull(final T reference) {
         if (reference == null) {
@@ -144,7 +146,9 @@
      *     be converted to a string using {@link String#valueOf(Object)}
      * @return the non-null reference that was validated
      * @throws NullPointerException if {@code reference} is null
+     * @deprecated - use {@link java.util.Objects.requireNonNull} instead.
      */
+    @Deprecated
     @UnsupportedAppUsage
     public static @NonNull <T> T checkNotNull(final T reference, final Object errorMessage) {
         if (reference == null) {
@@ -154,26 +158,6 @@
     }
 
     /**
-     * Ensures that an object reference passed as a parameter to the calling
-     * method is not null.
-     *
-     * @param reference an object reference
-     * @param messageTemplate a printf-style message template to use if the check fails; will
-     *     be converted to a string using {@link String#format(String, Object...)}
-     * @param messageArgs arguments for {@code messageTemplate}
-     * @return the non-null reference that was validated
-     * @throws NullPointerException if {@code reference} is null
-     */
-    public static @NonNull <T> T checkNotNull(final T reference,
-            final String messageTemplate,
-            final Object... messageArgs) {
-        if (reference == null) {
-            throw new NullPointerException(String.format(messageTemplate, messageArgs));
-        }
-        return reference;
-    }
-
-    /**
      * Ensures the truth of an expression involving the state of the calling
      * instance, but not involving any parameters to the calling method.
      *
diff --git a/core/tests/coretests/src/android/app/DownloadManagerBaseTest.java b/core/tests/coretests/src/android/app/DownloadManagerBaseTest.java
index 68b9b00..f4709ff 100644
--- a/core/tests/coretests/src/android/app/DownloadManagerBaseTest.java
+++ b/core/tests/coretests/src/android/app/DownloadManagerBaseTest.java
@@ -33,14 +33,15 @@
 import android.os.SystemClock;
 import android.os.UserHandle;
 import android.provider.Settings;
+import android.support.test.uiautomator.UiDevice;
 import android.test.InstrumentationTestCase;
 import android.util.Log;
 
-import libcore.io.Streams;
-
 import com.google.mockwebserver.MockResponse;
 import com.google.mockwebserver.MockWebServer;
 
+import libcore.io.Streams;
+
 import java.io.DataInputStream;
 import java.io.DataOutputStream;
 import java.io.File;
@@ -63,6 +64,7 @@
     private static final String TAG = "DownloadManagerBaseTest";
     protected DownloadManager mDownloadManager = null;
     private MockWebServer mServer = null;
+    private UiDevice mUiDevice = null;
     protected String mFileType = "text/plain";
     protected Context mContext = null;
     protected MultipleDownloadsCompletedReceiver mReceiver = null;
@@ -234,6 +236,7 @@
     @Override
     public void setUp() throws Exception {
         mContext = getInstrumentation().getContext();
+        mUiDevice = UiDevice.getInstance(getInstrumentation());
         mDownloadManager = (DownloadManager)mContext.getSystemService(Context.DOWNLOAD_SERVICE);
         mServer = new MockWebServer();
         mServer.play();
@@ -512,7 +515,7 @@
         Log.i(LOG_TAG, "Setting WiFi State to: " + enable);
         WifiManager manager = (WifiManager)mContext.getSystemService(Context.WIFI_SERVICE);
 
-        manager.setWifiEnabled(enable);
+        mUiDevice.executeShellCommand("svc wifi " + (enable ? "enable" : "disable"));
 
         String timeoutMessage = "Timed out waiting for Wifi to be "
             + (enable ? "enabled!" : "disabled!");
diff --git a/core/tests/coretests/src/android/app/timedetector/ManualTimeSuggestionTest.java b/core/tests/coretests/src/android/app/timedetector/ManualTimeSuggestionTest.java
index de6f8f7..750ffa1 100644
--- a/core/tests/coretests/src/android/app/timedetector/ManualTimeSuggestionTest.java
+++ b/core/tests/coretests/src/android/app/timedetector/ManualTimeSuggestionTest.java
@@ -22,7 +22,7 @@
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotEquals;
 
-import android.util.TimestampedValue;
+import android.os.TimestampedValue;
 
 import org.junit.Test;
 
diff --git a/core/tests/coretests/src/android/app/timedetector/NetworkTimeSuggestionTest.java b/core/tests/coretests/src/android/app/timedetector/NetworkTimeSuggestionTest.java
index 9b3d0c9..b88c36f 100644
--- a/core/tests/coretests/src/android/app/timedetector/NetworkTimeSuggestionTest.java
+++ b/core/tests/coretests/src/android/app/timedetector/NetworkTimeSuggestionTest.java
@@ -22,7 +22,7 @@
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotEquals;
 
-import android.util.TimestampedValue;
+import android.os.TimestampedValue;
 
 import org.junit.Test;
 
diff --git a/core/tests/coretests/src/android/app/timedetector/PhoneTimeSuggestionTest.java b/core/tests/coretests/src/android/app/timedetector/PhoneTimeSuggestionTest.java
index bee270e..ba29a97 100644
--- a/core/tests/coretests/src/android/app/timedetector/PhoneTimeSuggestionTest.java
+++ b/core/tests/coretests/src/android/app/timedetector/PhoneTimeSuggestionTest.java
@@ -22,7 +22,7 @@
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotEquals;
 
-import android.util.TimestampedValue;
+import android.os.TimestampedValue;
 
 import org.junit.Test;
 
diff --git a/core/tests/coretests/src/android/util/TimestampedValueTest.java b/core/tests/coretests/src/android/os/TimestampedValueTest.java
similarity index 98%
rename from core/tests/coretests/src/android/util/TimestampedValueTest.java
rename to core/tests/coretests/src/android/os/TimestampedValueTest.java
index 6fc2400..f36d9e6 100644
--- a/core/tests/coretests/src/android/util/TimestampedValueTest.java
+++ b/core/tests/coretests/src/android/os/TimestampedValueTest.java
@@ -14,14 +14,12 @@
  * limitations under the License.
  */
 
-package android.util;
+package android.os;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotEquals;
 import static org.junit.Assert.fail;
 
-import android.os.Parcel;
-
 import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Test;
diff --git a/data/etc/privapp-permissions-platform.xml b/data/etc/privapp-permissions-platform.xml
index 0756647..3477aed 100644
--- a/data/etc/privapp-permissions-platform.xml
+++ b/data/etc/privapp-permissions-platform.xml
@@ -238,6 +238,7 @@
         <permission name="android.permission.MANAGE_USB"/>
         <permission name="android.permission.MODIFY_PHONE_STATE"/>
         <permission name="android.permission.READ_NETWORK_USAGE_HISTORY"/>
+        <permission name="android.permission.TETHER_PRIVILEGED"/>
         <permission name="android.permission.UPDATE_APP_OPS_STATS"/>
     </privapp-permissions>
 
diff --git a/graphics/java/android/graphics/drawable/ColorDrawable.java b/graphics/java/android/graphics/drawable/ColorDrawable.java
index f5fa8c5..e93e7df 100644
--- a/graphics/java/android/graphics/drawable/ColorDrawable.java
+++ b/graphics/java/android/graphics/drawable/ColorDrawable.java
@@ -20,7 +20,7 @@
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.annotation.TestApi;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.pm.ActivityInfo.Config;
 import android.content.res.ColorStateList;
 import android.content.res.Resources;
diff --git a/graphics/java/android/graphics/drawable/Drawable.java b/graphics/java/android/graphics/drawable/Drawable.java
index 0840986..e70529b 100644
--- a/graphics/java/android/graphics/drawable/Drawable.java
+++ b/graphics/java/android/graphics/drawable/Drawable.java
@@ -22,7 +22,7 @@
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.annotation.TestApi;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.pm.ActivityInfo.Config;
 import android.content.res.ColorStateList;
 import android.content.res.Resources;
diff --git a/graphics/java/android/graphics/drawable/DrawableContainer.java b/graphics/java/android/graphics/drawable/DrawableContainer.java
index 090d915..51b299c 100644
--- a/graphics/java/android/graphics/drawable/DrawableContainer.java
+++ b/graphics/java/android/graphics/drawable/DrawableContainer.java
@@ -17,7 +17,7 @@
 package android.graphics.drawable;
 
 import android.annotation.NonNull;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.pm.ActivityInfo.Config;
 import android.content.res.ColorStateList;
 import android.content.res.Resources;
diff --git a/graphics/java/android/graphics/drawable/DrawableInflater.java b/graphics/java/android/graphics/drawable/DrawableInflater.java
index bad3791..3408b64 100644
--- a/graphics/java/android/graphics/drawable/DrawableInflater.java
+++ b/graphics/java/android/graphics/drawable/DrawableInflater.java
@@ -16,19 +16,19 @@
 
 package android.graphics.drawable;
 
-import org.xmlpull.v1.XmlPullParser;
-import org.xmlpull.v1.XmlPullParserException;
-
 import android.annotation.DrawableRes;
 import android.annotation.NonNull;
 import android.annotation.Nullable;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.Context;
 import android.content.res.Resources;
 import android.content.res.Resources.Theme;
 import android.util.AttributeSet;
 import android.view.InflateException;
 
+import org.xmlpull.v1.XmlPullParser;
+import org.xmlpull.v1.XmlPullParserException;
+
 import java.io.IOException;
 import java.lang.reflect.Constructor;
 import java.util.HashMap;
diff --git a/graphics/java/android/graphics/drawable/DrawableWrapper.java b/graphics/java/android/graphics/drawable/DrawableWrapper.java
index 64fc704..e8cb42e 100644
--- a/graphics/java/android/graphics/drawable/DrawableWrapper.java
+++ b/graphics/java/android/graphics/drawable/DrawableWrapper.java
@@ -18,7 +18,7 @@
 
 import android.annotation.NonNull;
 import android.annotation.Nullable;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.pm.ActivityInfo.Config;
 import android.content.res.ColorStateList;
 import android.content.res.Resources;
diff --git a/graphics/java/android/graphics/drawable/GradientDrawable.java b/graphics/java/android/graphics/drawable/GradientDrawable.java
index b9945cc..b50ec0d 100644
--- a/graphics/java/android/graphics/drawable/GradientDrawable.java
+++ b/graphics/java/android/graphics/drawable/GradientDrawable.java
@@ -22,7 +22,7 @@
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.annotation.Px;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.pm.ActivityInfo.Config;
 import android.content.res.ColorStateList;
 import android.content.res.Resources;
diff --git a/graphics/java/android/graphics/drawable/Icon.java b/graphics/java/android/graphics/drawable/Icon.java
index 3658f89..6366209 100644
--- a/graphics/java/android/graphics/drawable/Icon.java
+++ b/graphics/java/android/graphics/drawable/Icon.java
@@ -21,7 +21,7 @@
 import android.annotation.IdRes;
 import android.annotation.IntDef;
 import android.annotation.NonNull;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.ContentResolver;
 import android.content.Context;
 import android.content.pm.ApplicationInfo;
diff --git a/graphics/java/android/graphics/drawable/InsetDrawable.java b/graphics/java/android/graphics/drawable/InsetDrawable.java
index bc8a4cb..005a4d1 100644
--- a/graphics/java/android/graphics/drawable/InsetDrawable.java
+++ b/graphics/java/android/graphics/drawable/InsetDrawable.java
@@ -18,7 +18,7 @@
 
 import android.annotation.NonNull;
 import android.annotation.Nullable;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.res.Resources;
 import android.content.res.Resources.Theme;
 import android.content.res.TypedArray;
diff --git a/graphics/java/android/graphics/drawable/LayerDrawable.java b/graphics/java/android/graphics/drawable/LayerDrawable.java
index 760d554..fb4146f 100644
--- a/graphics/java/android/graphics/drawable/LayerDrawable.java
+++ b/graphics/java/android/graphics/drawable/LayerDrawable.java
@@ -18,7 +18,7 @@
 
 import android.annotation.NonNull;
 import android.annotation.Nullable;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.pm.ActivityInfo.Config;
 import android.content.res.ColorStateList;
 import android.content.res.Resources;
diff --git a/graphics/java/android/graphics/drawable/NinePatchDrawable.java b/graphics/java/android/graphics/drawable/NinePatchDrawable.java
index 8561d95..99d27ba 100644
--- a/graphics/java/android/graphics/drawable/NinePatchDrawable.java
+++ b/graphics/java/android/graphics/drawable/NinePatchDrawable.java
@@ -18,7 +18,7 @@
 
 import android.annotation.NonNull;
 import android.annotation.Nullable;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.pm.ActivityInfo.Config;
 import android.content.res.ColorStateList;
 import android.content.res.Resources;
diff --git a/graphics/java/android/graphics/drawable/RippleDrawable.java b/graphics/java/android/graphics/drawable/RippleDrawable.java
index 1540cc2..e5e4d45 100644
--- a/graphics/java/android/graphics/drawable/RippleDrawable.java
+++ b/graphics/java/android/graphics/drawable/RippleDrawable.java
@@ -18,7 +18,7 @@
 
 import android.annotation.NonNull;
 import android.annotation.Nullable;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.pm.ActivityInfo.Config;
 import android.content.res.ColorStateList;
 import android.content.res.Resources;
diff --git a/graphics/java/android/graphics/drawable/RotateDrawable.java b/graphics/java/android/graphics/drawable/RotateDrawable.java
index db5f082..43766b6 100644
--- a/graphics/java/android/graphics/drawable/RotateDrawable.java
+++ b/graphics/java/android/graphics/drawable/RotateDrawable.java
@@ -16,23 +16,23 @@
 
 package android.graphics.drawable;
 
+import android.annotation.NonNull;
+import android.annotation.Nullable;
+import android.compat.annotation.UnsupportedAppUsage;
+import android.content.res.Resources;
+import android.content.res.Resources.Theme;
+import android.content.res.TypedArray;
+import android.graphics.Canvas;
+import android.graphics.Rect;
+import android.util.AttributeSet;
+import android.util.MathUtils;
+import android.util.TypedValue;
+
 import com.android.internal.R;
 
 import org.xmlpull.v1.XmlPullParser;
 import org.xmlpull.v1.XmlPullParserException;
 
-import android.annotation.NonNull;
-import android.annotation.Nullable;
-import android.annotation.UnsupportedAppUsage;
-import android.graphics.Canvas;
-import android.graphics.Rect;
-import android.content.res.Resources;
-import android.content.res.TypedArray;
-import android.content.res.Resources.Theme;
-import android.util.MathUtils;
-import android.util.TypedValue;
-import android.util.AttributeSet;
-
 import java.io.IOException;
 
 /**
diff --git a/graphics/java/android/graphics/drawable/ScaleDrawable.java b/graphics/java/android/graphics/drawable/ScaleDrawable.java
index 91ed061..af7eed4 100644
--- a/graphics/java/android/graphics/drawable/ScaleDrawable.java
+++ b/graphics/java/android/graphics/drawable/ScaleDrawable.java
@@ -16,14 +16,9 @@
 
 package android.graphics.drawable;
 
-import com.android.internal.R;
-
-import org.xmlpull.v1.XmlPullParser;
-import org.xmlpull.v1.XmlPullParserException;
-
 import android.annotation.NonNull;
 import android.annotation.Nullable;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.res.Resources;
 import android.content.res.Resources.Theme;
 import android.content.res.TypedArray;
@@ -34,6 +29,11 @@
 import android.util.TypedValue;
 import android.view.Gravity;
 
+import com.android.internal.R;
+
+import org.xmlpull.v1.XmlPullParser;
+import org.xmlpull.v1.XmlPullParserException;
+
 import java.io.IOException;
 
 /**
diff --git a/graphics/java/android/graphics/drawable/StateListDrawable.java b/graphics/java/android/graphics/drawable/StateListDrawable.java
index f67188c..2920acb 100644
--- a/graphics/java/android/graphics/drawable/StateListDrawable.java
+++ b/graphics/java/android/graphics/drawable/StateListDrawable.java
@@ -18,7 +18,7 @@
 
 import android.annotation.NonNull;
 import android.annotation.Nullable;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.res.Resources;
 import android.content.res.Resources.Theme;
 import android.content.res.TypedArray;
diff --git a/graphics/java/android/graphics/drawable/TransitionDrawable.java b/graphics/java/android/graphics/drawable/TransitionDrawable.java
index 276f366..401e05f 100644
--- a/graphics/java/android/graphics/drawable/TransitionDrawable.java
+++ b/graphics/java/android/graphics/drawable/TransitionDrawable.java
@@ -16,7 +16,7 @@
 
 package android.graphics.drawable;
 
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.pm.ActivityInfo.Config;
 import android.content.res.Resources;
 import android.graphics.Canvas;
diff --git a/graphics/java/android/graphics/drawable/VectorDrawable.java b/graphics/java/android/graphics/drawable/VectorDrawable.java
index aa19b2a..e6fa866 100644
--- a/graphics/java/android/graphics/drawable/VectorDrawable.java
+++ b/graphics/java/android/graphics/drawable/VectorDrawable.java
@@ -16,7 +16,7 @@
 
 import android.annotation.NonNull;
 import android.annotation.Nullable;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.pm.ActivityInfo.Config;
 import android.content.res.ColorStateList;
 import android.content.res.ComplexColor;
diff --git a/graphics/java/android/graphics/fonts/FontVariationAxis.java b/graphics/java/android/graphics/fonts/FontVariationAxis.java
index bcee559..4e6580e 100644
--- a/graphics/java/android/graphics/fonts/FontVariationAxis.java
+++ b/graphics/java/android/graphics/fonts/FontVariationAxis.java
@@ -18,7 +18,7 @@
 
 import android.annotation.NonNull;
 import android.annotation.Nullable;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.os.Build;
 import android.text.TextUtils;
 
diff --git a/graphics/java/android/graphics/pdf/PdfRenderer.java b/graphics/java/android/graphics/pdf/PdfRenderer.java
index bd1a492..54710e5 100644
--- a/graphics/java/android/graphics/pdf/PdfRenderer.java
+++ b/graphics/java/android/graphics/pdf/PdfRenderer.java
@@ -19,7 +19,7 @@
 import android.annotation.IntDef;
 import android.annotation.NonNull;
 import android.annotation.Nullable;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.graphics.Bitmap;
 import android.graphics.Bitmap.Config;
 import android.graphics.Matrix;
@@ -29,7 +29,9 @@
 import android.system.ErrnoException;
 import android.system.Os;
 import android.system.OsConstants;
+
 import com.android.internal.util.Preconditions;
+
 import dalvik.system.CloseGuard;
 
 import libcore.io.IoUtils;
diff --git a/keystore/java/android/security/Credentials.java b/keystore/java/android/security/Credentials.java
index fad7d80..7282bcf 100644
--- a/keystore/java/android/security/Credentials.java
+++ b/keystore/java/android/security/Credentials.java
@@ -16,7 +16,7 @@
 
 package android.security;
 
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 
 import com.android.org.bouncycastle.util.io.pem.PemObject;
 import com.android.org.bouncycastle.util.io.pem.PemReader;
diff --git a/keystore/java/android/security/GateKeeper.java b/keystore/java/android/security/GateKeeper.java
index a50ff79..af188a9 100644
--- a/keystore/java/android/security/GateKeeper.java
+++ b/keystore/java/android/security/GateKeeper.java
@@ -16,7 +16,7 @@
 
 package android.security;
 
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.Context;
 import android.os.RemoteException;
 import android.os.ServiceManager;
diff --git a/keystore/java/android/security/KeyStore.java b/keystore/java/android/security/KeyStore.java
index c0a0422..e9bc802 100644
--- a/keystore/java/android/security/KeyStore.java
+++ b/keystore/java/android/security/KeyStore.java
@@ -16,10 +16,10 @@
 
 package android.security;
 
-import android.annotation.UnsupportedAppUsage;
 import android.app.ActivityThread;
 import android.app.Application;
 import android.app.KeyguardManager;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.Context;
 import android.content.pm.PackageManager;
 import android.hardware.face.FaceManager;
@@ -31,7 +31,6 @@
 import android.os.RemoteException;
 import android.os.ServiceManager;
 import android.os.UserHandle;
-import android.security.KeyStoreException;
 import android.security.keymaster.ExportResult;
 import android.security.keymaster.KeyCharacteristics;
 import android.security.keymaster.KeymasterArguments;
diff --git a/keystore/java/android/security/keystore/AndroidKeyStoreProvider.java b/keystore/java/android/security/keystore/AndroidKeyStoreProvider.java
index 234615d..8be85d6 100644
--- a/keystore/java/android/security/keystore/AndroidKeyStoreProvider.java
+++ b/keystore/java/android/security/keystore/AndroidKeyStoreProvider.java
@@ -17,7 +17,7 @@
 package android.security.keystore;
 
 import android.annotation.NonNull;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.security.KeyStore;
 import android.security.keymaster.ExportResult;
 import android.security.keymaster.KeyCharacteristics;
diff --git a/keystore/java/android/security/keystore/KeyGenParameterSpec.java b/keystore/java/android/security/keystore/KeyGenParameterSpec.java
index e3f43ef..630a6dd 100644
--- a/keystore/java/android/security/keystore/KeyGenParameterSpec.java
+++ b/keystore/java/android/security/keystore/KeyGenParameterSpec.java
@@ -20,8 +20,8 @@
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.annotation.TestApi;
-import android.annotation.UnsupportedAppUsage;
 import android.app.KeyguardManager;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.hardware.biometrics.BiometricManager;
 import android.hardware.biometrics.BiometricPrompt;
 import android.security.GateKeeper;
diff --git a/location/java/android/location/Country.java b/location/java/android/location/Country.java
index f3c2a16..8c40338 100644
--- a/location/java/android/location/Country.java
+++ b/location/java/android/location/Country.java
@@ -16,7 +16,7 @@
 
 package android.location;
 
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.os.Parcel;
 import android.os.Parcelable;
 import android.os.SystemClock;
diff --git a/location/java/android/location/CountryDetector.java b/location/java/android/location/CountryDetector.java
index ae13949..e344b82 100644
--- a/location/java/android/location/CountryDetector.java
+++ b/location/java/android/location/CountryDetector.java
@@ -16,10 +16,8 @@
 
 package android.location;
 
-import java.util.HashMap;
-
 import android.annotation.SystemService;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.Context;
 import android.os.Build;
 import android.os.Handler;
@@ -27,6 +25,8 @@
 import android.os.RemoteException;
 import android.util.Log;
 
+import java.util.HashMap;
+
 /**
  * This class provides access to the system country detector service. This
  * service allows applications to obtain the country that the user is in.
diff --git a/location/java/android/location/CountryListener.java b/location/java/android/location/CountryListener.java
index 70a83c5..eb67205 100644
--- a/location/java/android/location/CountryListener.java
+++ b/location/java/android/location/CountryListener.java
@@ -16,7 +16,7 @@
 
 package android.location;
 
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 
 /**
  * The listener for receiving the notification when the country is detected or
diff --git a/location/java/android/location/GeocoderParams.java b/location/java/android/location/GeocoderParams.java
index 45d92ee..1c6e9b6 100644
--- a/location/java/android/location/GeocoderParams.java
+++ b/location/java/android/location/GeocoderParams.java
@@ -16,7 +16,7 @@
 
 package android.location;
 
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.Context;
 import android.os.Parcel;
 import android.os.Parcelable;
diff --git a/location/java/android/location/Geofence.java b/location/java/android/location/Geofence.java
index 9570b26..af57bfd 100644
--- a/location/java/android/location/Geofence.java
+++ b/location/java/android/location/Geofence.java
@@ -16,7 +16,7 @@
 
 package android.location;
 
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.os.Parcel;
 import android.os.Parcelable;
 
diff --git a/location/java/android/location/GpsStatus.java b/location/java/android/location/GpsStatus.java
index 609a15e..8a5edc4 100644
--- a/location/java/android/location/GpsStatus.java
+++ b/location/java/android/location/GpsStatus.java
@@ -16,7 +16,7 @@
 
 package android.location;
 
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.os.Build;
 import android.util.SparseArray;
 
diff --git a/location/java/android/location/Location.java b/location/java/android/location/Location.java
index 9c36d76..6f12c78 100644
--- a/location/java/android/location/Location.java
+++ b/location/java/android/location/Location.java
@@ -18,7 +18,7 @@
 
 import android.annotation.SystemApi;
 import android.annotation.TestApi;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.os.Build;
 import android.os.Bundle;
 import android.os.Parcel;
diff --git a/location/java/android/location/LocationManager.java b/location/java/android/location/LocationManager.java
index 7b24f44..f17f748 100644
--- a/location/java/android/location/LocationManager.java
+++ b/location/java/android/location/LocationManager.java
@@ -30,8 +30,8 @@
 import android.annotation.SystemApi;
 import android.annotation.SystemService;
 import android.annotation.TestApi;
-import android.annotation.UnsupportedAppUsage;
 import android.app.PendingIntent;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.Context;
 import android.content.Intent;
 import android.content.pm.PackageManager;
diff --git a/location/java/android/location/LocationRequest.java b/location/java/android/location/LocationRequest.java
index 0902acf..adea73d 100644
--- a/location/java/android/location/LocationRequest.java
+++ b/location/java/android/location/LocationRequest.java
@@ -22,7 +22,7 @@
 import android.annotation.RequiresPermission;
 import android.annotation.SystemApi;
 import android.annotation.TestApi;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.os.Build;
 import android.os.Parcel;
 import android.os.Parcelable;
diff --git a/location/java/com/android/internal/location/GpsNetInitiatedHandler.java b/location/java/com/android/internal/location/GpsNetInitiatedHandler.java
index f9b2fe0..9846436 100644
--- a/location/java/com/android/internal/location/GpsNetInitiatedHandler.java
+++ b/location/java/com/android/internal/location/GpsNetInitiatedHandler.java
@@ -19,6 +19,7 @@
 import android.app.Notification;
 import android.app.NotificationManager;
 import android.app.PendingIntent;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
@@ -37,8 +38,6 @@
 import com.android.internal.notification.SystemNotificationChannels;
 import com.android.internal.telephony.GsmAlphabet;
 
-import dalvik.annotation.compat.UnsupportedAppUsage;
-
 import java.io.UnsupportedEncodingException;
 import java.util.concurrent.TimeUnit;
 
@@ -126,7 +125,7 @@
 
     public static class GpsNiNotification
     {
-        @android.annotation.UnsupportedAppUsage
+        @android.compat.annotation.UnsupportedAppUsage
         public GpsNiNotification() {
         }
         public int notificationId;
diff --git a/location/java/com/android/internal/location/ProviderRequest.java b/location/java/com/android/internal/location/ProviderRequest.java
index 155f788..c23f499 100644
--- a/location/java/com/android/internal/location/ProviderRequest.java
+++ b/location/java/com/android/internal/location/ProviderRequest.java
@@ -16,7 +16,7 @@
 
 package com.android.internal.location;
 
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.location.LocationRequest;
 import android.os.Parcel;
 import android.os.Parcelable;
diff --git a/media/java/android/media/AmrInputStream.java b/media/java/android/media/AmrInputStream.java
index 5088798..3cb224d 100644
--- a/media/java/android/media/AmrInputStream.java
+++ b/media/java/android/media/AmrInputStream.java
@@ -16,14 +16,14 @@
 
 package android.media;
 
-import java.io.InputStream;
-import java.io.IOException;
-import java.nio.ByteBuffer;
-
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.media.MediaCodec.BufferInfo;
 import android.util.Log;
 
+import java.io.IOException;
+import java.io.InputStream;
+import java.nio.ByteBuffer;
+
 
 /**
  * DO NOT USE
diff --git a/media/java/android/media/AsyncPlayer.java b/media/java/android/media/AsyncPlayer.java
index 8ac2655..c3dc118 100644
--- a/media/java/android/media/AsyncPlayer.java
+++ b/media/java/android/media/AsyncPlayer.java
@@ -17,9 +17,8 @@
 package android.media;
 
 import android.annotation.NonNull;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.Context;
-import android.media.PlayerBase;
 import android.net.Uri;
 import android.os.PowerManager;
 import android.os.SystemClock;
diff --git a/media/java/android/media/AudioAttributes.java b/media/java/android/media/AudioAttributes.java
index 820d82d..bb87404 100644
--- a/media/java/android/media/AudioAttributes.java
+++ b/media/java/android/media/AudioAttributes.java
@@ -19,7 +19,7 @@
 import android.annotation.IntDef;
 import android.annotation.NonNull;
 import android.annotation.SystemApi;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.media.audiopolicy.AudioProductStrategy;
 import android.os.Build;
 import android.os.Bundle;
diff --git a/media/java/android/media/AudioDevicePort.java b/media/java/android/media/AudioDevicePort.java
index 62b18cb..51909db 100644
--- a/media/java/android/media/AudioDevicePort.java
+++ b/media/java/android/media/AudioDevicePort.java
@@ -16,8 +16,7 @@
 
 package android.media;
 
-import android.annotation.UnsupportedAppUsage;
-import android.media.AudioSystem;
+import android.compat.annotation.UnsupportedAppUsage;
 
 /**
  * The AudioDevicePort is a specialized type of AudioPort
diff --git a/media/java/android/media/AudioDevicePortConfig.java b/media/java/android/media/AudioDevicePortConfig.java
index 0c647ea..51b8037 100644
--- a/media/java/android/media/AudioDevicePortConfig.java
+++ b/media/java/android/media/AudioDevicePortConfig.java
@@ -16,7 +16,7 @@
 
 package android.media;
 
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 
 /**
  * An AudioDevicePortConfig describes a possible configuration of an output or input device
diff --git a/media/java/android/media/AudioFormat.java b/media/java/android/media/AudioFormat.java
index e55585a..7ff15df 100644
--- a/media/java/android/media/AudioFormat.java
+++ b/media/java/android/media/AudioFormat.java
@@ -20,7 +20,7 @@
 import android.annotation.IntRange;
 import android.annotation.NonNull;
 import android.annotation.TestApi;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.os.Parcel;
 import android.os.Parcelable;
 
diff --git a/media/java/android/media/AudioGain.java b/media/java/android/media/AudioGain.java
index dd129a2..cae1b59 100644
--- a/media/java/android/media/AudioGain.java
+++ b/media/java/android/media/AudioGain.java
@@ -16,7 +16,7 @@
 
 package android.media;
 
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 
 /**
  * The AudioGain describes a gain controller. Gain controllers are exposed by
diff --git a/media/java/android/media/AudioGainConfig.java b/media/java/android/media/AudioGainConfig.java
index f5ebef8..dfefa86 100644
--- a/media/java/android/media/AudioGainConfig.java
+++ b/media/java/android/media/AudioGainConfig.java
@@ -16,7 +16,7 @@
 
 package android.media;
 
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 
 /**
  * The AudioGainConfig is used by APIs setting or getting values on a given gain
diff --git a/media/java/android/media/AudioHandle.java b/media/java/android/media/AudioHandle.java
index 24f81f9..8fc834f 100644
--- a/media/java/android/media/AudioHandle.java
+++ b/media/java/android/media/AudioHandle.java
@@ -16,7 +16,7 @@
 
 package android.media;
 
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 
 /**
  * The AudioHandle is used by the audio framework implementation to
diff --git a/media/java/android/media/AudioManager.java b/media/java/android/media/AudioManager.java
index f797da7..32eec00 100644
--- a/media/java/android/media/AudioManager.java
+++ b/media/java/android/media/AudioManager.java
@@ -27,12 +27,12 @@
 import android.annotation.SystemApi;
 import android.annotation.SystemService;
 import android.annotation.TestApi;
-import android.annotation.UnsupportedAppUsage;
 import android.app.NotificationManager;
 import android.app.PendingIntent;
 import android.bluetooth.BluetoothCodecConfig;
 import android.bluetooth.BluetoothDevice;
 import android.bluetooth.BluetoothProfile;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
diff --git a/media/java/android/media/AudioMixPort.java b/media/java/android/media/AudioMixPort.java
index c4a5c4d..33d603f 100644
--- a/media/java/android/media/AudioMixPort.java
+++ b/media/java/android/media/AudioMixPort.java
@@ -16,7 +16,7 @@
 
 package android.media;
 
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 
 /**
  * The AudioMixPort is a specialized type of AudioPort
diff --git a/media/java/android/media/AudioMixPortConfig.java b/media/java/android/media/AudioMixPortConfig.java
index 315e46b..9d81206 100644
--- a/media/java/android/media/AudioMixPortConfig.java
+++ b/media/java/android/media/AudioMixPortConfig.java
@@ -16,7 +16,7 @@
 
 package android.media;
 
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 
 /**
  * An AudioMixPortConfig describes a possible configuration of an output or input mixer.
diff --git a/media/java/android/media/AudioPatch.java b/media/java/android/media/AudioPatch.java
index d1f8006..e5107d4 100644
--- a/media/java/android/media/AudioPatch.java
+++ b/media/java/android/media/AudioPatch.java
@@ -16,7 +16,7 @@
 
 package android.media;
 
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 
 
 /**
diff --git a/media/java/android/media/AudioPort.java b/media/java/android/media/AudioPort.java
index 83eb240..7c3ca24 100644
--- a/media/java/android/media/AudioPort.java
+++ b/media/java/android/media/AudioPort.java
@@ -16,7 +16,7 @@
 
 package android.media;
 
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 
 /**
  * An audio port is a node of the audio framework or hardware that can be connected to or
diff --git a/media/java/android/media/AudioPortConfig.java b/media/java/android/media/AudioPortConfig.java
index ac19bb1..16fb5b8 100644
--- a/media/java/android/media/AudioPortConfig.java
+++ b/media/java/android/media/AudioPortConfig.java
@@ -16,7 +16,7 @@
 
 package android.media;
 
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 
 /**
  * An AudioPortConfig contains a possible configuration of an audio port chosen
diff --git a/media/java/android/media/AudioPortEventHandler.java b/media/java/android/media/AudioPortEventHandler.java
index 6d9d626..14249cb 100644
--- a/media/java/android/media/AudioPortEventHandler.java
+++ b/media/java/android/media/AudioPortEventHandler.java
@@ -16,7 +16,7 @@
 
 package android.media;
 
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.os.Handler;
 import android.os.HandlerThread;
 import android.os.Message;
diff --git a/media/java/android/media/AudioRecord.java b/media/java/android/media/AudioRecord.java
index ce9b07d..306999c 100644
--- a/media/java/android/media/AudioRecord.java
+++ b/media/java/android/media/AudioRecord.java
@@ -23,8 +23,8 @@
 import android.annotation.Nullable;
 import android.annotation.SystemApi;
 import android.annotation.TestApi;
-import android.annotation.UnsupportedAppUsage;
 import android.app.ActivityThread;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.media.MediaRecorder.Source;
 import android.media.audiopolicy.AudioMix;
 import android.media.audiopolicy.AudioPolicy;
diff --git a/media/java/android/media/AudioRecordingConfiguration.java b/media/java/android/media/AudioRecordingConfiguration.java
index 874a215..5f32c0f 100644
--- a/media/java/android/media/AudioRecordingConfiguration.java
+++ b/media/java/android/media/AudioRecordingConfiguration.java
@@ -19,7 +19,7 @@
 import android.annotation.IntDef;
 import android.annotation.NonNull;
 import android.annotation.TestApi;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.media.audiofx.AudioEffect;
 import android.os.Parcel;
 import android.os.Parcelable;
diff --git a/media/java/android/media/AudioSystem.java b/media/java/android/media/AudioSystem.java
index 1033e56..1ad6198 100644
--- a/media/java/android/media/AudioSystem.java
+++ b/media/java/android/media/AudioSystem.java
@@ -19,8 +19,8 @@
 import android.annotation.IntDef;
 import android.annotation.NonNull;
 import android.annotation.TestApi;
-import android.annotation.UnsupportedAppUsage;
 import android.bluetooth.BluetoothCodecConfig;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.Context;
 import android.content.pm.PackageManager;
 import android.media.audiofx.AudioEffect;
diff --git a/media/java/android/media/AudioTrack.java b/media/java/android/media/AudioTrack.java
index 7cd09de..0ced68ef 100644
--- a/media/java/android/media/AudioTrack.java
+++ b/media/java/android/media/AudioTrack.java
@@ -23,7 +23,7 @@
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.annotation.TestApi;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.os.Binder;
 import android.os.Handler;
 import android.os.HandlerThread;
diff --git a/media/java/android/media/CamcorderProfile.java b/media/java/android/media/CamcorderProfile.java
index 963b1d1..e4bab74 100644
--- a/media/java/android/media/CamcorderProfile.java
+++ b/media/java/android/media/CamcorderProfile.java
@@ -16,7 +16,7 @@
 
 package android.media;
 
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.hardware.Camera;
 import android.hardware.Camera.CameraInfo;
 import android.os.Build;
diff --git a/media/java/android/media/DecoderCapabilities.java b/media/java/android/media/DecoderCapabilities.java
index df5e918..ebfc63b 100644
--- a/media/java/android/media/DecoderCapabilities.java
+++ b/media/java/android/media/DecoderCapabilities.java
@@ -16,9 +16,10 @@
 
 package android.media;
 
-import android.annotation.UnsupportedAppUsage;
-import java.util.List;
+import android.compat.annotation.UnsupportedAppUsage;
+
 import java.util.ArrayList;
+import java.util.List;
 
 /**
  * {@hide}
diff --git a/media/java/android/media/EncoderCapabilities.java b/media/java/android/media/EncoderCapabilities.java
index c09c5fa..67ce0f7 100644
--- a/media/java/android/media/EncoderCapabilities.java
+++ b/media/java/android/media/EncoderCapabilities.java
@@ -16,9 +16,10 @@
 
 package android.media;
 
-import android.annotation.UnsupportedAppUsage;
-import java.util.List;
+import android.compat.annotation.UnsupportedAppUsage;
+
 import java.util.ArrayList;
+import java.util.List;
 
 /**
  * The EncoderCapabilities class is used to retrieve the
diff --git a/media/java/android/media/ExifInterface.java b/media/java/android/media/ExifInterface.java
index 5645ba5..b417927 100644
--- a/media/java/android/media/ExifInterface.java
+++ b/media/java/android/media/ExifInterface.java
@@ -20,7 +20,7 @@
 import android.annotation.IntDef;
 import android.annotation.NonNull;
 import android.annotation.Nullable;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.res.AssetManager;
 import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
diff --git a/media/java/android/media/Image.java b/media/java/android/media/Image.java
index 70a343f..b5acbd4 100644
--- a/media/java/android/media/Image.java
+++ b/media/java/android/media/Image.java
@@ -16,14 +16,13 @@
 
 package android.media;
 
-import java.nio.ByteBuffer;
-import java.lang.AutoCloseable;
-
 import android.annotation.Nullable;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.graphics.Rect;
 import android.hardware.HardwareBuffer;
 
+import java.nio.ByteBuffer;
+
 /**
  * <p>A single complete image buffer to use with a media source such as a
  * {@link MediaCodec} or a
diff --git a/media/java/android/media/JetPlayer.java b/media/java/android/media/JetPlayer.java
index e85b3ff9..84ee09b 100644
--- a/media/java/android/media/JetPlayer.java
+++ b/media/java/android/media/JetPlayer.java
@@ -17,7 +17,7 @@
 package android.media;
 
 
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.res.AssetFileDescriptor;
 import android.os.Handler;
 import android.os.Looper;
diff --git a/media/java/android/media/MediaCodec.java b/media/java/android/media/MediaCodec.java
index c9d7978..e702f19 100644
--- a/media/java/android/media/MediaCodec.java
+++ b/media/java/android/media/MediaCodec.java
@@ -19,7 +19,7 @@
 import android.annotation.IntDef;
 import android.annotation.NonNull;
 import android.annotation.Nullable;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.graphics.ImageFormat;
 import android.graphics.Rect;
 import android.graphics.SurfaceTexture;
diff --git a/media/java/android/media/MediaCodecInfo.java b/media/java/android/media/MediaCodecInfo.java
index f304f7c..f3752d5 100644
--- a/media/java/android/media/MediaCodecInfo.java
+++ b/media/java/android/media/MediaCodecInfo.java
@@ -22,7 +22,7 @@
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.annotation.TestApi;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.os.Build;
 import android.os.SystemProperties;
 import android.util.Log;
diff --git a/media/java/android/media/MediaDrm.java b/media/java/android/media/MediaDrm.java
index a08aec3..ea9a373 100644
--- a/media/java/android/media/MediaDrm.java
+++ b/media/java/android/media/MediaDrm.java
@@ -21,17 +21,17 @@
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.annotation.StringDef;
-import android.annotation.SystemApi;
-import android.annotation.UnsupportedAppUsage;
 import android.app.ActivityThread;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.os.Handler;
 import android.os.HandlerExecutor;
 import android.os.Looper;
-import android.os.Message;
 import android.os.Parcel;
 import android.os.PersistableBundle;
 import android.util.Log;
+
 import dalvik.system.CloseGuard;
+
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.lang.ref.WeakReference;
diff --git a/media/java/android/media/MediaFile.java b/media/java/android/media/MediaFile.java
index c4eb031..9908e04 100644
--- a/media/java/android/media/MediaFile.java
+++ b/media/java/android/media/MediaFile.java
@@ -20,7 +20,7 @@
 
 import android.annotation.NonNull;
 import android.annotation.Nullable;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.mtp.MtpConstants;
 
 import libcore.content.type.MimeMap;
diff --git a/media/java/android/media/MediaFormat.java b/media/java/android/media/MediaFormat.java
index 8b667f7..841799a 100644
--- a/media/java/android/media/MediaFormat.java
+++ b/media/java/android/media/MediaFormat.java
@@ -19,7 +19,7 @@
 import android.annotation.IntDef;
 import android.annotation.NonNull;
 import android.annotation.Nullable;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
diff --git a/media/java/android/media/MediaHTTPConnection.java b/media/java/android/media/MediaHTTPConnection.java
index 8ee929e..a17ff82 100644
--- a/media/java/android/media/MediaHTTPConnection.java
+++ b/media/java/android/media/MediaHTTPConnection.java
@@ -18,13 +18,14 @@
 
 import static android.media.MediaPlayer.MEDIA_ERROR_UNSUPPORTED;
 
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.net.NetworkUtils;
 import android.os.IBinder;
 import android.os.StrictMode;
 import android.util.Log;
 
 import com.android.internal.annotations.GuardedBy;
+
 import java.io.BufferedInputStream;
 import java.io.IOException;
 import java.io.InputStream;
diff --git a/media/java/android/media/MediaHTTPService.java b/media/java/android/media/MediaHTTPService.java
index 97a0df7..3008067 100644
--- a/media/java/android/media/MediaHTTPService.java
+++ b/media/java/android/media/MediaHTTPService.java
@@ -17,7 +17,7 @@
 package android.media;
 
 import android.annotation.Nullable;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.os.IBinder;
 import android.util.Log;
 
diff --git a/media/java/android/media/MediaInserter.java b/media/java/android/media/MediaInserter.java
index 0749f58..ca7a01c 100644
--- a/media/java/android/media/MediaInserter.java
+++ b/media/java/android/media/MediaInserter.java
@@ -16,7 +16,7 @@
 
 package android.media;
 
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.ContentProviderClient;
 import android.content.ContentValues;
 import android.net.Uri;
diff --git a/media/java/android/media/MediaMetadata.java b/media/java/android/media/MediaMetadata.java
index 8512dbe..a23191f 100644
--- a/media/java/android/media/MediaMetadata.java
+++ b/media/java/android/media/MediaMetadata.java
@@ -17,7 +17,7 @@
 
 import android.annotation.NonNull;
 import android.annotation.StringDef;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.ContentResolver;
 import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
diff --git a/media/java/android/media/MediaMetadataRetriever.java b/media/java/android/media/MediaMetadataRetriever.java
index c43b78c..a21a630 100644
--- a/media/java/android/media/MediaMetadataRetriever.java
+++ b/media/java/android/media/MediaMetadataRetriever.java
@@ -19,7 +19,7 @@
 import android.annotation.IntDef;
 import android.annotation.NonNull;
 import android.annotation.Nullable;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.ContentResolver;
 import android.content.Context;
 import android.content.res.AssetFileDescriptor;
diff --git a/media/java/android/media/MediaMuxer.java b/media/java/android/media/MediaMuxer.java
index 0fb392b..14a48d7 100644
--- a/media/java/android/media/MediaMuxer.java
+++ b/media/java/android/media/MediaMuxer.java
@@ -18,8 +18,7 @@
 
 import android.annotation.IntDef;
 import android.annotation.NonNull;
-import android.annotation.UnsupportedAppUsage;
-import android.media.MediaCodec;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.media.MediaCodec.BufferInfo;
 
 import dalvik.system.CloseGuard;
diff --git a/media/java/android/media/MediaPlayer.java b/media/java/android/media/MediaPlayer.java
index 353e58e..6b953ae 100644
--- a/media/java/android/media/MediaPlayer.java
+++ b/media/java/android/media/MediaPlayer.java
@@ -19,8 +19,8 @@
 import android.annotation.IntDef;
 import android.annotation.NonNull;
 import android.annotation.Nullable;
-import android.annotation.UnsupportedAppUsage;
 import android.app.ActivityThread;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.ContentProvider;
 import android.content.ContentResolver;
 import android.content.Context;
diff --git a/media/java/android/media/MediaRecorder.java b/media/java/android/media/MediaRecorder.java
index 63b22df..c957a88 100644
--- a/media/java/android/media/MediaRecorder.java
+++ b/media/java/android/media/MediaRecorder.java
@@ -23,8 +23,8 @@
 import android.annotation.Nullable;
 import android.annotation.RequiresPermission;
 import android.annotation.SystemApi;
-import android.annotation.UnsupportedAppUsage;
 import android.app.ActivityThread;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.hardware.Camera;
 import android.os.Build;
 import android.os.Handler;
diff --git a/media/java/android/media/MediaRouter.java b/media/java/android/media/MediaRouter.java
index d72231f..9837e1c 100644
--- a/media/java/android/media/MediaRouter.java
+++ b/media/java/android/media/MediaRouter.java
@@ -22,8 +22,8 @@
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.annotation.SystemService;
-import android.annotation.UnsupportedAppUsage;
 import android.app.ActivityThread;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
diff --git a/media/java/android/media/MediaScanner.java b/media/java/android/media/MediaScanner.java
index 771628c..317502d 100644
--- a/media/java/android/media/MediaScanner.java
+++ b/media/java/android/media/MediaScanner.java
@@ -16,7 +16,7 @@
 
 package android.media;
 
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.ContentProviderClient;
 import android.content.ContentResolver;
 import android.content.ContentUris;
diff --git a/media/java/android/media/Metadata.java b/media/java/android/media/Metadata.java
index 792a2ba..ef17073 100644
--- a/media/java/android/media/Metadata.java
+++ b/media/java/android/media/Metadata.java
@@ -16,7 +16,7 @@
 
 package android.media;
 
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.os.Parcel;
 import android.util.Log;
 import android.util.MathUtils;
diff --git a/media/java/android/media/MicrophoneInfo.java b/media/java/android/media/MicrophoneInfo.java
index f805975..876628f 100644
--- a/media/java/android/media/MicrophoneInfo.java
+++ b/media/java/android/media/MicrophoneInfo.java
@@ -18,7 +18,7 @@
 
 import android.annotation.IntDef;
 import android.annotation.NonNull;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.util.Pair;
 
 import java.lang.annotation.Retention;
diff --git a/media/java/android/media/PlaybackParams.java b/media/java/android/media/PlaybackParams.java
index b4325b6..f24f831 100644
--- a/media/java/android/media/PlaybackParams.java
+++ b/media/java/android/media/PlaybackParams.java
@@ -18,7 +18,7 @@
 
 import android.annotation.IntDef;
 import android.annotation.TestApi;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.os.Build;
 import android.os.Parcel;
 import android.os.Parcelable;
diff --git a/media/java/android/media/RemoteControlClient.java b/media/java/android/media/RemoteControlClient.java
index 325420b..c5fd3c3 100644
--- a/media/java/android/media/RemoteControlClient.java
+++ b/media/java/android/media/RemoteControlClient.java
@@ -16,8 +16,8 @@
 
 package android.media;
 
-import android.annotation.UnsupportedAppUsage;
 import android.app.PendingIntent;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.ComponentName;
 import android.content.Intent;
 import android.graphics.Bitmap;
diff --git a/media/java/android/media/RemoteController.java b/media/java/android/media/RemoteController.java
index f70963a..9e48f1e 100644
--- a/media/java/android/media/RemoteController.java
+++ b/media/java/android/media/RemoteController.java
@@ -16,8 +16,8 @@
 
 package android.media;
 
-import android.annotation.UnsupportedAppUsage;
 import android.app.ActivityManager;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.ComponentName;
 import android.content.Context;
 import android.graphics.Bitmap;
diff --git a/media/java/android/media/RemoteDisplay.java b/media/java/android/media/RemoteDisplay.java
index 2be206f..e529af9 100644
--- a/media/java/android/media/RemoteDisplay.java
+++ b/media/java/android/media/RemoteDisplay.java
@@ -16,12 +16,12 @@
 
 package android.media;
 
-import dalvik.system.CloseGuard;
-
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.os.Handler;
 import android.view.Surface;
 
+import dalvik.system.CloseGuard;
+
 /**
  * Listens for Wifi remote display connections managed by the media server.
  *
diff --git a/media/java/android/media/RemoteDisplayState.java b/media/java/android/media/RemoteDisplayState.java
index 2f4ace0..fed361a 100644
--- a/media/java/android/media/RemoteDisplayState.java
+++ b/media/java/android/media/RemoteDisplayState.java
@@ -16,7 +16,7 @@
 
 package android.media;
 
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.os.Parcel;
 import android.os.Parcelable;
 import android.text.TextUtils;
diff --git a/media/java/android/media/Ringtone.java b/media/java/android/media/Ringtone.java
index eb680c8..d35bc41 100644
--- a/media/java/android/media/Ringtone.java
+++ b/media/java/android/media/Ringtone.java
@@ -17,7 +17,7 @@
 package android.media;
 
 import android.annotation.Nullable;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.ContentProvider;
 import android.content.ContentResolver;
 import android.content.Context;
diff --git a/media/java/android/media/RingtoneManager.java b/media/java/android/media/RingtoneManager.java
index 435d8d7..6fd47c4 100644
--- a/media/java/android/media/RingtoneManager.java
+++ b/media/java/android/media/RingtoneManager.java
@@ -22,9 +22,9 @@
 import android.annotation.RequiresPermission;
 import android.annotation.SdkConstant;
 import android.annotation.SdkConstant.SdkConstantType;
-import android.annotation.UnsupportedAppUsage;
 import android.annotation.WorkerThread;
 import android.app.Activity;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.ContentProvider;
 import android.content.ContentResolver;
 import android.content.ContentUris;
diff --git a/media/java/android/media/SubtitleController.java b/media/java/android/media/SubtitleController.java
index 1a241af..48657a6c 100644
--- a/media/java/android/media/SubtitleController.java
+++ b/media/java/android/media/SubtitleController.java
@@ -16,10 +16,7 @@
 
 package android.media;
 
-import java.util.Locale;
-import java.util.Vector;
-
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.Context;
 import android.media.MediaPlayer.TrackInfo;
 import android.media.SubtitleTrack.RenderingWidget;
@@ -28,6 +25,9 @@
 import android.os.Message;
 import android.view.accessibility.CaptioningManager;
 
+import java.util.Locale;
+import java.util.Vector;
+
 /**
  * The subtitle controller provides the architecture to display subtitles for a
  * media source.  It allows specifying which tracks to display, on which anchor
diff --git a/media/java/android/media/SubtitleTrack.java b/media/java/android/media/SubtitleTrack.java
index 0705d97..10669f4 100644
--- a/media/java/android/media/SubtitleTrack.java
+++ b/media/java/android/media/SubtitleTrack.java
@@ -16,7 +16,7 @@
 
 package android.media;
 
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.graphics.Canvas;
 import android.media.MediaPlayer.TrackInfo;
 import android.os.Handler;
diff --git a/media/java/android/media/ThumbnailUtils.java b/media/java/android/media/ThumbnailUtils.java
index 534d63b..cbdf9ad 100644
--- a/media/java/android/media/ThumbnailUtils.java
+++ b/media/java/android/media/ThumbnailUtils.java
@@ -24,7 +24,7 @@
 
 import android.annotation.NonNull;
 import android.annotation.Nullable;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.ContentResolver;
 import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
diff --git a/media/java/android/media/TimedText.java b/media/java/android/media/TimedText.java
index d8cdf9c..120642a 100644
--- a/media/java/android/media/TimedText.java
+++ b/media/java/android/media/TimedText.java
@@ -16,14 +16,15 @@
 
 package android.media;
 
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.graphics.Rect;
 import android.os.Parcel;
 import android.util.Log;
-import java.util.HashMap;
-import java.util.Set;
-import java.util.List;
+
 import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Set;
 
 /**
  * Class to hold the timed text's metadata, including:
diff --git a/media/java/android/media/ToneGenerator.java b/media/java/android/media/ToneGenerator.java
index c6d5ba3..cc114a9 100644
--- a/media/java/android/media/ToneGenerator.java
+++ b/media/java/android/media/ToneGenerator.java
@@ -16,7 +16,7 @@
 
 package android.media;
 
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 
 
 
diff --git a/media/java/android/media/TtmlRenderer.java b/media/java/android/media/TtmlRenderer.java
index 34154ce..e578264 100644
--- a/media/java/android/media/TtmlRenderer.java
+++ b/media/java/android/media/TtmlRenderer.java
@@ -16,7 +16,7 @@
 
 package android.media;
 
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.Context;
 import android.text.TextUtils;
 import android.util.AttributeSet;
@@ -27,6 +27,10 @@
 import android.widget.LinearLayout;
 import android.widget.TextView;
 
+import org.xmlpull.v1.XmlPullParser;
+import org.xmlpull.v1.XmlPullParserException;
+import org.xmlpull.v1.XmlPullParserFactory;
+
 import java.io.IOException;
 import java.io.StringReader;
 import java.util.ArrayList;
@@ -37,10 +41,6 @@
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
-import org.xmlpull.v1.XmlPullParser;
-import org.xmlpull.v1.XmlPullParserException;
-import org.xmlpull.v1.XmlPullParserFactory;
-
 /** @hide */
 public class TtmlRenderer extends SubtitleController.Renderer {
     private final Context mContext;
diff --git a/media/java/android/media/VolumeShaper.java b/media/java/android/media/VolumeShaper.java
index 663d564..99dfe1e 100644
--- a/media/java/android/media/VolumeShaper.java
+++ b/media/java/android/media/VolumeShaper.java
@@ -19,13 +19,12 @@
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.annotation.TestApi;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.os.Parcel;
 import android.os.Parcelable;
 
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
-import java.lang.AutoCloseable;
 import java.lang.ref.WeakReference;
 import java.util.Arrays;
 import java.util.Objects;
diff --git a/media/java/android/media/WebVttRenderer.java b/media/java/android/media/WebVttRenderer.java
index 36458d7..bc14294 100644
--- a/media/java/android/media/WebVttRenderer.java
+++ b/media/java/android/media/WebVttRenderer.java
@@ -16,7 +16,7 @@
 
 package android.media;
 
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.Context;
 import android.text.Layout.Alignment;
 import android.text.SpannableStringBuilder;
diff --git a/media/java/android/media/audiofx/AudioEffect.java b/media/java/android/media/audiofx/AudioEffect.java
index 5b4bbce..4a40c62 100644
--- a/media/java/android/media/audiofx/AudioEffect.java
+++ b/media/java/android/media/audiofx/AudioEffect.java
@@ -19,8 +19,8 @@
 import android.annotation.SdkConstant;
 import android.annotation.SdkConstant.SdkConstantType;
 import android.annotation.TestApi;
-import android.annotation.UnsupportedAppUsage;
 import android.app.ActivityThread;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.os.Build;
 import android.os.Handler;
 import android.os.Looper;
diff --git a/media/java/android/media/audiofx/Visualizer.java b/media/java/android/media/audiofx/Visualizer.java
index 89a509f..392e8fe 100644
--- a/media/java/android/media/audiofx/Visualizer.java
+++ b/media/java/android/media/audiofx/Visualizer.java
@@ -16,8 +16,8 @@
 
 package android.media.audiofx;
 
-import android.annotation.UnsupportedAppUsage;
 import android.app.ActivityThread;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.os.Handler;
 import android.os.Looper;
 import android.os.Message;
diff --git a/media/java/android/media/audiopolicy/AudioMix.java b/media/java/android/media/audiopolicy/AudioMix.java
index a82c78f..dd9877a 100644
--- a/media/java/android/media/audiopolicy/AudioMix.java
+++ b/media/java/android/media/audiopolicy/AudioMix.java
@@ -20,7 +20,7 @@
 import android.annotation.NonNull;
 import android.annotation.SystemApi;
 import android.annotation.TestApi;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.media.AudioDeviceInfo;
 import android.media.AudioFormat;
 import android.media.AudioSystem;
diff --git a/media/java/android/media/audiopolicy/AudioMixingRule.java b/media/java/android/media/audiopolicy/AudioMixingRule.java
index c4afd95..8c204d2 100644
--- a/media/java/android/media/audiopolicy/AudioMixingRule.java
+++ b/media/java/android/media/audiopolicy/AudioMixingRule.java
@@ -19,7 +19,7 @@
 import android.annotation.NonNull;
 import android.annotation.SystemApi;
 import android.annotation.TestApi;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.media.AudioAttributes;
 import android.os.Parcel;
 import android.util.Log;
diff --git a/media/java/android/media/session/MediaController.java b/media/java/android/media/session/MediaController.java
index 1fc4f7d..a856653 100644
--- a/media/java/android/media/session/MediaController.java
+++ b/media/java/android/media/session/MediaController.java
@@ -18,8 +18,8 @@
 
 import android.annotation.NonNull;
 import android.annotation.Nullable;
-import android.annotation.UnsupportedAppUsage;
 import android.app.PendingIntent;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.Context;
 import android.content.pm.ParceledListSlice;
 import android.media.AudioAttributes;
diff --git a/media/java/android/media/session/MediaSession.java b/media/java/android/media/session/MediaSession.java
index e11715f..5db4e8c 100644
--- a/media/java/android/media/session/MediaSession.java
+++ b/media/java/android/media/session/MediaSession.java
@@ -19,9 +19,9 @@
 import android.annotation.IntDef;
 import android.annotation.NonNull;
 import android.annotation.Nullable;
-import android.annotation.UnsupportedAppUsage;
 import android.app.Activity;
 import android.app.PendingIntent;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.Context;
 import android.content.Intent;
 import android.content.pm.ParceledListSlice;
diff --git a/media/java/android/media/session/MediaSessionLegacyHelper.java b/media/java/android/media/session/MediaSessionLegacyHelper.java
index 123c4f7..0d506f0 100644
--- a/media/java/android/media/session/MediaSessionLegacyHelper.java
+++ b/media/java/android/media/session/MediaSessionLegacyHelper.java
@@ -16,9 +16,9 @@
 
 package android.media.session;
 
-import android.annotation.UnsupportedAppUsage;
 import android.app.PendingIntent;
 import android.app.PendingIntent.CanceledException;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
@@ -26,7 +26,6 @@
 import android.graphics.Canvas;
 import android.graphics.Paint;
 import android.graphics.RectF;
-import android.media.AudioManager;
 import android.media.MediaMetadata;
 import android.media.MediaMetadataEditor;
 import android.media.MediaMetadataRetriever;
diff --git a/media/java/android/media/session/MediaSessionManager.java b/media/java/android/media/session/MediaSessionManager.java
index a89dc5f..aff7257 100644
--- a/media/java/android/media/session/MediaSessionManager.java
+++ b/media/java/android/media/session/MediaSessionManager.java
@@ -22,7 +22,7 @@
 import android.annotation.RequiresPermission;
 import android.annotation.SystemApi;
 import android.annotation.SystemService;
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.content.ComponentName;
 import android.content.Context;
 import android.content.pm.ParceledListSlice;
diff --git a/mms/OWNERS b/mms/OWNERS
index ba00d5d..befc320 100644
--- a/mms/OWNERS
+++ b/mms/OWNERS
@@ -12,3 +12,5 @@
 shuoq@google.com
 refuhoo@google.com
 nazaninb@google.com
+sarahchin@google.com
+dbright@google.com
\ No newline at end of file
diff --git a/mms/java/android/telephony/MmsManager.java b/mms/java/android/telephony/MmsManager.java
index 6554267..24ea3cf 100644
--- a/mms/java/android/telephony/MmsManager.java
+++ b/mms/java/android/telephony/MmsManager.java
@@ -16,8 +16,11 @@
 
 package android.telephony;
 
+import android.annotation.NonNull;
+import android.annotation.Nullable;
 import android.app.ActivityThread;
 import android.app.PendingIntent;
+import android.content.Context;
 import android.net.Uri;
 import android.os.Bundle;
 import android.os.RemoteException;
@@ -27,22 +30,16 @@
 
 /**
  * Manages MMS operations such as sending multimedia messages.
- * Get this object by calling the static method {@link #getInstance()}.
- * @hide
  */
-public class MmsManager {
+public final class MmsManager {
     private static final String TAG = "MmsManager";
-
-    /** Singleton object constructed during class initialization. */
-    private static final MmsManager sInstance = new MmsManager();
+    private final Context mContext;
 
     /**
-     * Get the MmsManager singleton instance.
-     *
-     * @return the {@link MmsManager} singleton instance.
+     * @hide
      */
-    public static MmsManager getInstance() {
-        return sInstance;
+    public MmsManager(@NonNull Context context) {
+        mContext = context;
     }
 
     /**
@@ -56,8 +53,9 @@
      * @param sentIntent if not NULL this <code>PendingIntent</code> is broadcast when the message
      *                   is successfully sent, or failed
      */
-    public void sendMultimediaMessage(int subId, Uri contentUri, String locationUrl,
-            Bundle configOverrides, PendingIntent sentIntent) {
+    public void sendMultimediaMessage(int subId, @NonNull Uri contentUri,
+            @Nullable String locationUrl, @Nullable Bundle configOverrides,
+            @Nullable PendingIntent sentIntent) {
         try {
             final IMms iMms = IMms.Stub.asInterface(ServiceManager.getService("imms"));
             if (iMms == null) {
@@ -84,8 +82,9 @@
      *  broadcast when the message is downloaded, or the download is failed
      * @throws IllegalArgumentException if locationUrl or contentUri is empty
      */
-    public void downloadMultimediaMessage(int subId, String locationUrl, Uri contentUri,
-            Bundle configOverrides, PendingIntent downloadedIntent) {
+    public void downloadMultimediaMessage(int subId, @NonNull String locationUrl,
+            @NonNull Uri contentUri, @Nullable Bundle configOverrides,
+            @Nullable PendingIntent downloadedIntent) {
         try {
             final IMms iMms = IMms.Stub.asInterface(ServiceManager.getService("imms"));
             if (iMms == null) {
diff --git a/packages/Tethering/AndroidManifest.xml b/packages/Tethering/AndroidManifest.xml
index 87a8c3f..e99c2c5 100644
--- a/packages/Tethering/AndroidManifest.xml
+++ b/packages/Tethering/AndroidManifest.xml
@@ -33,6 +33,7 @@
     <uses-permission android:name="android.permission.MANAGE_USB" />
     <uses-permission android:name="android.permission.MODIFY_PHONE_STATE" />
     <uses-permission android:name="android.permission.READ_NETWORK_USAGE_HISTORY" />
+    <uses-permission android:name="android.permission.TETHER_PRIVILEGED" />
     <uses-permission android:name="android.permission.UPDATE_APP_OPS_STATS" />
     <uses-permission android:name="android.permission.WRITE_SETTINGS" />
 
diff --git a/packages/Tethering/src/com/android/server/connectivity/tethering/UpstreamNetworkMonitor.java b/packages/Tethering/src/com/android/server/connectivity/tethering/UpstreamNetworkMonitor.java
index fe3f517..5692a6f 100644
--- a/packages/Tethering/src/com/android/server/connectivity/tethering/UpstreamNetworkMonitor.java
+++ b/packages/Tethering/src/com/android/server/connectivity/tethering/UpstreamNetworkMonitor.java
@@ -16,9 +16,12 @@
 
 package com.android.server.connectivity.tethering;
 
+import static android.net.ConnectivityManager.TYPE_BLUETOOTH;
+import static android.net.ConnectivityManager.TYPE_ETHERNET;
+import static android.net.ConnectivityManager.TYPE_MOBILE;
 import static android.net.ConnectivityManager.TYPE_MOBILE_DUN;
 import static android.net.ConnectivityManager.TYPE_MOBILE_HIPRI;
-import static android.net.ConnectivityManager.TYPE_NONE;
+import static android.net.ConnectivityManager.TYPE_WIFI;
 import static android.net.NetworkCapabilities.NET_CAPABILITY_DUN;
 import static android.net.NetworkCapabilities.NET_CAPABILITY_NOT_VPN;
 import static android.net.NetworkCapabilities.TRANSPORT_CELLULAR;
@@ -35,8 +38,10 @@
 import android.net.util.SharedLog;
 import android.os.Handler;
 import android.util.Log;
+import android.util.SparseIntArray;
 
 import com.android.internal.annotations.VisibleForTesting;
+import com.android.internal.util.Preconditions;
 import com.android.internal.util.StateMachine;
 
 import java.util.HashMap;
@@ -77,11 +82,25 @@
     public static final int EVENT_ON_LINKPROPERTIES = 2;
     public static final int EVENT_ON_LOST           = 3;
     public static final int NOTIFY_LOCAL_PREFIXES   = 10;
+    // This value is used by deprecated preferredUpstreamIfaceTypes selection which is default
+    // disabled.
+    @VisibleForTesting
+    public static final int TYPE_NONE = -1;
 
     private static final int CALLBACK_LISTEN_ALL = 1;
     private static final int CALLBACK_DEFAULT_INTERNET = 2;
     private static final int CALLBACK_MOBILE_REQUEST = 3;
 
+    private static final SparseIntArray sLegacyTypeToTransport = new SparseIntArray();
+    static {
+        sLegacyTypeToTransport.put(TYPE_MOBILE,       NetworkCapabilities.TRANSPORT_CELLULAR);
+        sLegacyTypeToTransport.put(TYPE_MOBILE_DUN,   NetworkCapabilities.TRANSPORT_CELLULAR);
+        sLegacyTypeToTransport.put(TYPE_MOBILE_HIPRI, NetworkCapabilities.TRANSPORT_CELLULAR);
+        sLegacyTypeToTransport.put(TYPE_WIFI,         NetworkCapabilities.TRANSPORT_WIFI);
+        sLegacyTypeToTransport.put(TYPE_BLUETOOTH,    NetworkCapabilities.TRANSPORT_BLUETOOTH);
+        sLegacyTypeToTransport.put(TYPE_ETHERNET,     NetworkCapabilities.TRANSPORT_ETHERNET);
+    }
+
     private final Context mContext;
     private final SharedLog mLog;
     private final StateMachine mTarget;
@@ -202,7 +221,7 @@
         final int legacyType = mDunRequired ? TYPE_MOBILE_DUN : TYPE_MOBILE_HIPRI;
 
         final NetworkRequest mobileUpstreamRequest = new NetworkRequest.Builder()
-                .setCapabilities(ConnectivityManager.networkCapabilitiesForType(legacyType))
+                .setCapabilities(networkCapabilitiesForType(legacyType))
                 .build();
 
         // The existing default network and DUN callbacks will be notified.
@@ -354,16 +373,6 @@
         notifyTarget(EVENT_ON_LINKPROPERTIES, network);
     }
 
-    private void handleSuspended(Network network) {
-        if (!network.equals(mTetheringUpstreamNetwork)) return;
-        mLog.log("SUSPENDED current upstream: " + network);
-    }
-
-    private void handleResumed(Network network) {
-        if (!network.equals(mTetheringUpstreamNetwork)) return;
-        mLog.log("RESUMED current upstream: " + network);
-    }
-
     private void handleLost(Network network) {
         // There are few TODOs within ConnectivityService's rematching code
         // pertaining to spurious onLost() notifications.
@@ -453,20 +462,6 @@
         }
 
         @Override
-        public void onNetworkSuspended(Network network) {
-            if (mCallbackType == CALLBACK_LISTEN_ALL) {
-                handleSuspended(network);
-            }
-        }
-
-        @Override
-        public void onNetworkResumed(Network network) {
-            if (mCallbackType == CALLBACK_LISTEN_ALL) {
-                handleResumed(network);
-            }
-        }
-
-        @Override
         public void onLost(Network network) {
             if (mCallbackType == CALLBACK_DEFAULT_INTERNET) {
                 mDefaultInternetNetwork = null;
@@ -510,7 +505,7 @@
         for (int type : preferredTypes) {
             NetworkCapabilities nc;
             try {
-                nc = ConnectivityManager.networkCapabilitiesForType(type);
+                nc = networkCapabilitiesForType(type);
             } catch (IllegalArgumentException iae) {
                 Log.e(TAG, "No NetworkCapabilities mapping for legacy type: " + type);
                 continue;
@@ -572,4 +567,28 @@
 
         return null;
     }
+
+    /**
+     * Given a legacy type (TYPE_WIFI, ...) returns the corresponding NetworkCapabilities instance.
+     * This function is used for deprecated legacy type and be disabled by default.
+     */
+    @VisibleForTesting
+    public static NetworkCapabilities networkCapabilitiesForType(int type) {
+        final NetworkCapabilities nc = new NetworkCapabilities();
+
+        // Map from type to transports.
+        final int notFound = -1;
+        final int transport = sLegacyTypeToTransport.get(type, notFound);
+        Preconditions.checkArgument(transport != notFound, "unknown legacy type: " + type);
+        nc.addTransportType(transport);
+
+        if (type == TYPE_MOBILE_DUN) {
+            nc.addCapability(NetworkCapabilities.NET_CAPABILITY_DUN);
+            // DUN is restricted network, see NetworkCapabilities#FORCE_RESTRICTED_CAPABILITIES.
+            nc.removeCapability(NetworkCapabilities.NET_CAPABILITY_NOT_RESTRICTED);
+        } else {
+            nc.addCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET);
+        }
+        return nc;
+    }
 }
diff --git a/packages/Tethering/tests/unit/src/com/android/server/connectivity/tethering/UpstreamNetworkMonitorTest.java b/packages/Tethering/tests/unit/src/com/android/server/connectivity/tethering/UpstreamNetworkMonitorTest.java
index c90abbb..5ed75bf 100644
--- a/packages/Tethering/tests/unit/src/com/android/server/connectivity/tethering/UpstreamNetworkMonitorTest.java
+++ b/packages/Tethering/tests/unit/src/com/android/server/connectivity/tethering/UpstreamNetworkMonitorTest.java
@@ -18,13 +18,14 @@
 
 import static android.net.ConnectivityManager.TYPE_MOBILE_DUN;
 import static android.net.ConnectivityManager.TYPE_MOBILE_HIPRI;
-import static android.net.ConnectivityManager.TYPE_NONE;
 import static android.net.ConnectivityManager.TYPE_WIFI;
 import static android.net.NetworkCapabilities.NET_CAPABILITY_DUN;
 import static android.net.NetworkCapabilities.NET_CAPABILITY_INTERNET;
 import static android.net.NetworkCapabilities.TRANSPORT_CELLULAR;
 import static android.net.NetworkCapabilities.TRANSPORT_WIFI;
 
+import static com.android.server.connectivity.tethering.UpstreamNetworkMonitor.TYPE_NONE;
+
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
@@ -538,13 +539,15 @@
                 mUNM.selectPreferredUpstreamType(preferredTypes));
         verify(mEntitleMgr, times(1)).maybeRunProvisioning();
     }
+
     private void assertSatisfiesLegacyType(int legacyType, UpstreamNetworkState ns) {
         if (legacyType == TYPE_NONE) {
             assertTrue(ns == null);
             return;
         }
 
-        final NetworkCapabilities nc = ConnectivityManager.networkCapabilitiesForType(legacyType);
+        final NetworkCapabilities nc =
+                UpstreamNetworkMonitor.networkCapabilitiesForType(legacyType);
         assertTrue(nc.satisfiedByNetworkCapabilities(ns.networkCapabilities));
     }
 
diff --git a/services/core/java/com/android/server/NetworkTimeUpdateServiceImpl.java b/services/core/java/com/android/server/NetworkTimeUpdateServiceImpl.java
index cfe56052..d20936c 100644
--- a/services/core/java/com/android/server/NetworkTimeUpdateServiceImpl.java
+++ b/services/core/java/com/android/server/NetworkTimeUpdateServiceImpl.java
@@ -36,11 +36,11 @@
 import android.os.Message;
 import android.os.PowerManager;
 import android.os.SystemClock;
+import android.os.TimestampedValue;
 import android.provider.Settings;
 import android.util.Log;
 import android.util.NtpTrustedTime;
 import android.util.TimeUtils;
-import android.util.TimestampedValue;
 
 import com.android.internal.util.DumpUtils;
 
diff --git a/services/core/java/com/android/server/TelephonyRegistry.java b/services/core/java/com/android/server/TelephonyRegistry.java
index a788fc8..5e251df 100644
--- a/services/core/java/com/android/server/TelephonyRegistry.java
+++ b/services/core/java/com/android/server/TelephonyRegistry.java
@@ -46,6 +46,7 @@
 import android.telephony.Annotation.SrvccState;
 import android.telephony.CallAttributes;
 import android.telephony.CallQuality;
+import android.telephony.CellIdentity;
 import android.telephony.CellInfo;
 import android.telephony.CellLocation;
 import android.telephony.DataFailCause;
@@ -207,7 +208,7 @@
     // Connection state of default APN type data (i.e. internet) of phones
     private int[] mDataConnectionState;
 
-    private Bundle[] mCellLocation;
+    private CellIdentity[] mCellIdentity;
 
     private int[] mDataConnectionNetworkType;
 
@@ -295,7 +296,7 @@
                     int numPhones = getTelephonyManager().getPhoneCount();
                     for (int sub = 0; sub < numPhones; sub++) {
                         TelephonyRegistry.this.notifyCellLocationForSubscriber(sub,
-                                mCellLocation[sub]);
+                                mCellIdentity[sub]);
                     }
                     break;
                 }
@@ -404,7 +405,7 @@
         mSignalStrength = copyOf(mSignalStrength, mNumPhones);
         mMessageWaiting = copyOf(mMessageWaiting, mNumPhones);
         mCallForwarding = copyOf(mCallForwarding, mNumPhones);
-        mCellLocation = copyOf(mCellLocation, mNumPhones);
+        mCellIdentity = copyOf(mCellIdentity, mNumPhones);
         mSrvccState = copyOf(mSrvccState, mNumPhones);
         mPreciseCallState = copyOf(mPreciseCallState, mNumPhones);
         mForegroundCallState = copyOf(mForegroundCallState, mNumPhones);
@@ -439,7 +440,7 @@
             mUserMobileDataState[i] = false;
             mMessageWaiting[i] =  false;
             mCallForwarding[i] =  false;
-            mCellLocation[i] = new Bundle();
+            mCellIdentity[i] = null;
             mCellInfo.add(i, null);
             mImsReasonInfo.add(i, null);
             mSrvccState[i] = TelephonyManager.SRVCC_STATE_HANDOVER_NONE;
@@ -455,15 +456,6 @@
             mBackgroundCallState[i] = PreciseCallState.PRECISE_CALL_STATE_IDLE;
             mPreciseDataConnectionStates.add(new HashMap<String, PreciseDataConnectionState>());
         }
-
-        // Note that location can be null for non-phone builds like
-        // like the generic one.
-        CellLocation  location = CellLocation.getEmpty();
-        if (location != null) {
-            for (int i = oldNumPhones; i < mNumPhones; i++) {
-                location.fillInNotifierBundle(mCellLocation[i]);
-            }
-        }
     }
 
     private void cutListToSize(List list, int size) {
@@ -503,7 +495,7 @@
         mSignalStrength = new SignalStrength[numPhones];
         mMessageWaiting = new boolean[numPhones];
         mCallForwarding = new boolean[numPhones];
-        mCellLocation = new Bundle[numPhones];
+        mCellIdentity = new CellIdentity[numPhones];
         mSrvccState = new int[numPhones];
         mPreciseCallState = new PreciseCallState[numPhones];
         mForegroundCallState = new int[numPhones];
@@ -532,7 +524,7 @@
             mUserMobileDataState[i] = false;
             mMessageWaiting[i] =  false;
             mCallForwarding[i] =  false;
-            mCellLocation[i] = new Bundle();
+            mCellIdentity[i] = null;
             mCellInfo.add(i, null);
             mImsReasonInfo.add(i, null);
             mSrvccState[i] = TelephonyManager.SRVCC_STATE_HANDOVER_NONE;
@@ -549,14 +541,6 @@
             mPreciseDataConnectionStates.add(new HashMap<String, PreciseDataConnectionState>());
         }
 
-        // Note that location can be null for non-phone builds like
-        // like the generic one.
-        if (location != null) {
-            for (int i = 0; i < numPhones; i++) {
-                location.fillInNotifierBundle(mCellLocation[i]);
-            }
-        }
-
         mAppOps = mContext.getSystemService(AppOpsManager.class);
     }
 
@@ -839,11 +823,10 @@
                     }
                     if (validateEventsAndUserLocked(r, PhoneStateListener.LISTEN_CELL_LOCATION)) {
                         try {
-                            if (DBG_LOC) log("listen: mCellLocation = "
-                                    + mCellLocation[phoneId]);
+                            if (DBG_LOC) log("listen: mCellIdentity = " + mCellIdentity[phoneId]);
                             if (checkFineLocationAccess(r, Build.VERSION_CODES.Q)) {
-                                r.callback.onCellLocationChanged(
-                                        new Bundle(mCellLocation[phoneId]));
+                                // null will be translated to empty CellLocation object in client.
+                                r.callback.onCellLocationChanged(mCellIdentity[phoneId]);
                             }
                         } catch (RemoteException ex) {
                             remove(r.binder);
@@ -1629,11 +1612,13 @@
         }
     }
 
-    public void notifyCellLocation(Bundle cellLocation) {
-         notifyCellLocationForSubscriber(SubscriptionManager.DEFAULT_SUBSCRIPTION_ID, cellLocation);
+    @Override
+    public void notifyCellLocation(CellIdentity cellLocation) {
+        notifyCellLocationForSubscriber(SubscriptionManager.DEFAULT_SUBSCRIPTION_ID, cellLocation);
     }
 
-    public void notifyCellLocationForSubscriber(int subId, Bundle cellLocation) {
+    @Override
+    public void notifyCellLocationForSubscriber(int subId, CellIdentity cellLocation) {
         log("notifyCellLocationForSubscriber: subId=" + subId
                 + " cellLocation=" + cellLocation);
         if (!checkNotifyPermission("notifyCellLocation()")) {
@@ -1646,7 +1631,7 @@
         int phoneId = getPhoneIdFromSubId(subId);
         synchronized (mRecords) {
             if (validatePhoneId(phoneId)) {
-                mCellLocation[phoneId] = cellLocation;
+                mCellIdentity[phoneId] = cellLocation;
                 for (Record r : mRecords) {
                     if (validateEventsAndUserLocked(r, PhoneStateListener.LISTEN_CELL_LOCATION) &&
                             idMatch(r.subId, subId, phoneId) &&
@@ -1656,7 +1641,7 @@
                                 log("notifyCellLocation: cellLocation=" + cellLocation
                                         + " r=" + r);
                             }
-                            r.callback.onCellLocationChanged(new Bundle(cellLocation));
+                            r.callback.onCellLocationChanged(cellLocation);
                         } catch (RemoteException ex) {
                             mRemoveList.add(r.binder);
                         }
@@ -2093,7 +2078,7 @@
                 pw.println("mCallForwarding=" + mCallForwarding[i]);
                 pw.println("mDataActivity=" + mDataActivity[i]);
                 pw.println("mDataConnectionState=" + mDataConnectionState[i]);
-                pw.println("mCellLocation=" + mCellLocation[i]);
+                pw.println("mCellIdentity=" + mCellIdentity[i]);
                 pw.println("mCellInfo=" + mCellInfo.get(i));
                 pw.println("mImsCallDisconnectCause=" + mImsReasonInfo.get(i));
                 pw.println("mSrvccState=" + mSrvccState[i]);
@@ -2576,10 +2561,13 @@
 
         if (validateEventsAndUserLocked(r, PhoneStateListener.LISTEN_CELL_LOCATION)) {
             try {
-                if (DBG_LOC) log("checkPossibleMissNotify: onCellLocationChanged mCellLocation = "
-                        + mCellLocation[phoneId]);
+                if (DBG_LOC) {
+                    log("checkPossibleMissNotify: onCellLocationChanged mCellIdentity = "
+                            + mCellIdentity[phoneId]);
+                }
                 if (checkFineLocationAccess(r, Build.VERSION_CODES.Q)) {
-                    r.callback.onCellLocationChanged(new Bundle(mCellLocation[phoneId]));
+                    // null will be translated to empty CellLocation object in client.
+                    r.callback.onCellLocationChanged(mCellIdentity[phoneId]);
                 }
             } catch (RemoteException ex) {
                 mRemoveList.add(r.binder);
diff --git a/services/core/java/com/android/server/connectivity/KeepaliveTracker.java b/services/core/java/com/android/server/connectivity/KeepaliveTracker.java
index 9bae902..af8a366 100644
--- a/services/core/java/com/android/server/connectivity/KeepaliveTracker.java
+++ b/services/core/java/com/android/server/connectivity/KeepaliveTracker.java
@@ -39,11 +39,11 @@
 import android.annotation.Nullable;
 import android.content.Context;
 import android.net.ISocketKeepaliveCallback;
+import android.net.InvalidPacketException;
 import android.net.KeepalivePacketData;
 import android.net.NattKeepalivePacketData;
 import android.net.NetworkAgent;
 import android.net.NetworkUtils;
-import android.net.SocketKeepalive.InvalidPacketException;
 import android.net.SocketKeepalive.InvalidSocketException;
 import android.net.TcpKeepalivePacketData;
 import android.net.util.IpUtils;
@@ -657,7 +657,10 @@
         final TcpKeepalivePacketData packet;
         try {
             packet = TcpKeepaliveController.getTcpKeepalivePacket(fd);
-        } catch (InvalidPacketException | InvalidSocketException e) {
+        } catch (InvalidSocketException e) {
+            notifyErrorCallback(cb, e.error);
+            return;
+        } catch (InvalidPacketException e) {
             notifyErrorCallback(cb, e.error);
             return;
         }
diff --git a/services/core/java/com/android/server/connectivity/TcpKeepaliveController.java b/services/core/java/com/android/server/connectivity/TcpKeepaliveController.java
index e570ef1e..1129899 100644
--- a/services/core/java/com/android/server/connectivity/TcpKeepaliveController.java
+++ b/services/core/java/com/android/server/connectivity/TcpKeepaliveController.java
@@ -30,8 +30,8 @@
 import static android.system.OsConstants.TIOCOUTQ;
 
 import android.annotation.NonNull;
+import android.net.InvalidPacketException;
 import android.net.NetworkUtils;
-import android.net.SocketKeepalive.InvalidPacketException;
 import android.net.SocketKeepalive.InvalidSocketException;
 import android.net.TcpKeepalivePacketData;
 import android.net.TcpKeepalivePacketDataParcelable;
diff --git a/services/core/java/com/android/server/timedetector/TimeDetectorStrategy.java b/services/core/java/com/android/server/timedetector/TimeDetectorStrategy.java
index b4f4eca..f661b5e 100644
--- a/services/core/java/com/android/server/timedetector/TimeDetectorStrategy.java
+++ b/services/core/java/com/android/server/timedetector/TimeDetectorStrategy.java
@@ -22,7 +22,7 @@
 import android.app.timedetector.NetworkTimeSuggestion;
 import android.app.timedetector.PhoneTimeSuggestion;
 import android.content.Intent;
-import android.util.TimestampedValue;
+import android.os.TimestampedValue;
 
 import java.io.PrintWriter;
 
diff --git a/services/core/java/com/android/server/timedetector/TimeDetectorStrategyImpl.java b/services/core/java/com/android/server/timedetector/TimeDetectorStrategyImpl.java
index 02656ea..da848d8 100644
--- a/services/core/java/com/android/server/timedetector/TimeDetectorStrategyImpl.java
+++ b/services/core/java/com/android/server/timedetector/TimeDetectorStrategyImpl.java
@@ -24,10 +24,10 @@
 import android.app.timedetector.NetworkTimeSuggestion;
 import android.app.timedetector.PhoneTimeSuggestion;
 import android.content.Intent;
+import android.os.TimestampedValue;
 import android.telephony.TelephonyManager;
 import android.util.LocalLog;
 import android.util.Slog;
-import android.util.TimestampedValue;
 
 import com.android.internal.annotations.GuardedBy;
 import com.android.internal.annotations.VisibleForTesting;
diff --git a/services/net/java/android/net/TcpKeepalivePacketData.java b/services/net/java/android/net/TcpKeepalivePacketData.java
index 7f2f499..aad75ae 100644
--- a/services/net/java/android/net/TcpKeepalivePacketData.java
+++ b/services/net/java/android/net/TcpKeepalivePacketData.java
@@ -19,7 +19,6 @@
 
 import android.annotation.NonNull;
 import android.annotation.Nullable;
-import android.net.SocketKeepalive.InvalidPacketException;
 import android.net.util.IpUtils;
 import android.os.Parcel;
 import android.os.Parcelable;
diff --git a/services/net/java/android/net/ip/IpClientCallbacks.java b/services/net/java/android/net/ip/IpClientCallbacks.java
index 61cd88a..c93e5c5 100644
--- a/services/net/java/android/net/ip/IpClientCallbacks.java
+++ b/services/net/java/android/net/ip/IpClientCallbacks.java
@@ -17,6 +17,7 @@
 package android.net.ip;
 
 import android.net.DhcpResults;
+import android.net.DhcpResultsParcelable;
 import android.net.Layer2PacketParcelable;
 import android.net.LinkProperties;
 
@@ -69,6 +70,18 @@
     public void onNewDhcpResults(DhcpResults dhcpResults) {}
 
     /**
+     * Callback called when new DHCP results are available.
+     *
+     * <p>This is purely advisory and not an indication of provisioning success or failure.  This is
+     * only here for callers that want to expose DHCPv4 results to other APIs
+     * (e.g., WifiInfo#setInetAddress).
+     *
+     * <p>DHCPv4 or static IPv4 configuration failure or success can be determined by whether or not
+     * the passed-in DhcpResults object is null.
+     */
+    public void onNewDhcpResults(DhcpResultsParcelable dhcpResults) {}
+
+    /**
      * Indicates that provisioning was successful.
      */
     public void onProvisioningSuccess(LinkProperties newLp) {}
diff --git a/services/net/java/android/net/ip/IpClientUtil.java b/services/net/java/android/net/ip/IpClientUtil.java
index 4d60e62..7f723b1 100644
--- a/services/net/java/android/net/ip/IpClientUtil.java
+++ b/services/net/java/android/net/ip/IpClientUtil.java
@@ -119,6 +119,7 @@
         @Override
         public void onNewDhcpResults(DhcpResultsParcelable dhcpResults) {
             mCb.onNewDhcpResults(fromStableParcelable(dhcpResults));
+            mCb.onNewDhcpResults(dhcpResults);
         }
 
         @Override
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 71b568c..ae53692 100644
--- a/services/tests/servicestests/src/com/android/server/timedetector/TimeDetectorServiceTest.java
+++ b/services/tests/servicestests/src/com/android/server/timedetector/TimeDetectorServiceTest.java
@@ -37,7 +37,7 @@
 import android.os.HandlerThread;
 import android.os.Looper;
 import android.os.Message;
-import android.util.TimestampedValue;
+import android.os.TimestampedValue;
 
 import androidx.test.runner.AndroidJUnit4;
 
diff --git a/services/tests/servicestests/src/com/android/server/timedetector/TimeDetectorStrategyImplTest.java b/services/tests/servicestests/src/com/android/server/timedetector/TimeDetectorStrategyImplTest.java
index ca6fd08..aaf9799 100644
--- a/services/tests/servicestests/src/com/android/server/timedetector/TimeDetectorStrategyImplTest.java
+++ b/services/tests/servicestests/src/com/android/server/timedetector/TimeDetectorStrategyImplTest.java
@@ -30,7 +30,7 @@
 import android.icu.util.Calendar;
 import android.icu.util.GregorianCalendar;
 import android.icu.util.TimeZone;
-import android.util.TimestampedValue;
+import android.os.TimestampedValue;
 
 import androidx.test.runner.AndroidJUnit4;
 
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 239d413..f1e9191 100644
--- a/services/tests/servicestests/src/com/android/server/timedetector/TimeDetectorStrategyTest.java
+++ b/services/tests/servicestests/src/com/android/server/timedetector/TimeDetectorStrategyTest.java
@@ -18,7 +18,7 @@
 
 import static org.junit.Assert.assertEquals;
 
-import android.util.TimestampedValue;
+import android.os.TimestampedValue;
 
 import androidx.test.runner.AndroidJUnit4;
 
diff --git a/telephony/java/android/telephony/Annotation.java b/telephony/java/android/telephony/Annotation.java
index 7482ecc..9e6dfef 100644
--- a/telephony/java/android/telephony/Annotation.java
+++ b/telephony/java/android/telephony/Annotation.java
@@ -596,4 +596,17 @@
     @Retention(RetentionPolicy.SOURCE)
     public @interface ImsAudioCodec {
     }
+
+    /**
+     * UICC SIM Application Types
+     */
+    @IntDef(prefix = { "APPTYPE_" }, value = {
+            TelephonyManager.APPTYPE_SIM,
+            TelephonyManager.APPTYPE_USIM,
+            TelephonyManager.APPTYPE_RUIM,
+            TelephonyManager.APPTYPE_CSIM,
+            TelephonyManager.APPTYPE_ISIM
+    })
+    @Retention(RetentionPolicy.SOURCE)
+    public @interface UiccAppType{}
 }
diff --git a/telephony/java/android/telephony/CellIdentity.java b/telephony/java/android/telephony/CellIdentity.java
index b7dab16..e523fba 100644
--- a/telephony/java/android/telephony/CellIdentity.java
+++ b/telephony/java/android/telephony/CellIdentity.java
@@ -19,6 +19,7 @@
 import android.annotation.CallSuper;
 import android.annotation.NonNull;
 import android.annotation.Nullable;
+import android.annotation.SystemApi;
 import android.os.Parcel;
 import android.os.Parcelable;
 import android.text.TextUtils;
@@ -181,7 +182,8 @@
      * @return a CellLocation object for this CellIdentity
      * @hide
      */
-    public abstract CellLocation asCellLocation();
+    @SystemApi
+    public abstract @NonNull CellLocation asCellLocation();
 
     @Override
     public boolean equals(Object other) {
diff --git a/telephony/java/android/telephony/CellIdentityCdma.java b/telephony/java/android/telephony/CellIdentityCdma.java
index 880d3db..54236b42 100644
--- a/telephony/java/android/telephony/CellIdentityCdma.java
+++ b/telephony/java/android/telephony/CellIdentityCdma.java
@@ -16,6 +16,7 @@
 
 package android.telephony;
 
+import android.annotation.NonNull;
 import android.os.Parcel;
 import android.telephony.cdma.CdmaCellLocation;
 
@@ -198,6 +199,7 @@
     }
 
     /** @hide */
+    @NonNull
     @Override
     public CdmaCellLocation asCellLocation() {
         CdmaCellLocation cl = new CdmaCellLocation();
diff --git a/telephony/java/android/telephony/CellIdentityGsm.java b/telephony/java/android/telephony/CellIdentityGsm.java
index 25c6577..4e4454d 100644
--- a/telephony/java/android/telephony/CellIdentityGsm.java
+++ b/telephony/java/android/telephony/CellIdentityGsm.java
@@ -16,6 +16,7 @@
 
 package android.telephony;
 
+import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.annotation.UnsupportedAppUsage;
 import android.os.Parcel;
@@ -200,6 +201,7 @@
     }
 
     /** @hide */
+    @NonNull
     @Override
     public GsmCellLocation asCellLocation() {
         GsmCellLocation cl = new GsmCellLocation();
diff --git a/telephony/java/android/telephony/CellIdentityLte.java b/telephony/java/android/telephony/CellIdentityLte.java
index 997b19f..c3fc73b 100644
--- a/telephony/java/android/telephony/CellIdentityLte.java
+++ b/telephony/java/android/telephony/CellIdentityLte.java
@@ -16,6 +16,7 @@
 
 package android.telephony;
 
+import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.annotation.UnsupportedAppUsage;
 import android.os.Build;
@@ -232,6 +233,7 @@
      *
      * @hide
      */
+    @NonNull
     @Override
     public GsmCellLocation asCellLocation() {
         GsmCellLocation cl = new GsmCellLocation();
diff --git a/telephony/java/android/telephony/CellIdentityNr.java b/telephony/java/android/telephony/CellIdentityNr.java
index edc838c..e3fec7b 100644
--- a/telephony/java/android/telephony/CellIdentityNr.java
+++ b/telephony/java/android/telephony/CellIdentityNr.java
@@ -17,6 +17,7 @@
 package android.telephony;
 
 import android.annotation.IntRange;
+import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.os.Parcel;
 import android.telephony.gsm.GsmCellLocation;
@@ -77,6 +78,7 @@
      * @return a CellLocation object for this CellIdentity.
      * @hide
      */
+    @NonNull
     @Override
     public CellLocation asCellLocation() {
         return new GsmCellLocation();
diff --git a/telephony/java/android/telephony/CellIdentityTdscdma.java b/telephony/java/android/telephony/CellIdentityTdscdma.java
index 558e346..8f812b6 100644
--- a/telephony/java/android/telephony/CellIdentityTdscdma.java
+++ b/telephony/java/android/telephony/CellIdentityTdscdma.java
@@ -171,6 +171,7 @@
     }
 
     /** @hide */
+    @NonNull
     @Override
     public GsmCellLocation asCellLocation() {
         GsmCellLocation cl = new GsmCellLocation();
diff --git a/telephony/java/android/telephony/CellIdentityWcdma.java b/telephony/java/android/telephony/CellIdentityWcdma.java
index 031fed1..556bc32 100644
--- a/telephony/java/android/telephony/CellIdentityWcdma.java
+++ b/telephony/java/android/telephony/CellIdentityWcdma.java
@@ -16,6 +16,7 @@
 
 package android.telephony;
 
+import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.annotation.UnsupportedAppUsage;
 import android.os.Parcel;
@@ -196,6 +197,7 @@
     }
 
     /** @hide */
+    @NonNull
     @Override
     public GsmCellLocation asCellLocation() {
         GsmCellLocation cl = new GsmCellLocation();
diff --git a/telephony/java/android/telephony/CellSignalStrengthNr.java b/telephony/java/android/telephony/CellSignalStrengthNr.java
index f31fafe..d28d750 100644
--- a/telephony/java/android/telephony/CellSignalStrengthNr.java
+++ b/telephony/java/android/telephony/CellSignalStrengthNr.java
@@ -155,7 +155,17 @@
      * @param ss signal strength from modem.
      */
     public CellSignalStrengthNr(android.hardware.radio.V1_4.NrSignalStrength ss) {
-        this(ss.csiRsrp, ss.csiRsrq, ss.csiSinr, ss.ssRsrp, ss.ssRsrq, ss.ssSinr);
+        this(flip(ss.csiRsrp), flip(ss.csiRsrq), ss.csiSinr, flip(ss.ssRsrp), flip(ss.ssRsrq),
+                ss.ssSinr);
+    }
+
+    /**
+     * Flip sign cell strength value when taking in the value from hal
+     * @param val cell strength value
+     * @return flipped value
+     */
+    private static int flip(int val) {
+        return val != CellInfo.UNAVAILABLE ? -val : val;
     }
 
     /**
diff --git a/telephony/java/android/telephony/SmsManager.java b/telephony/java/android/telephony/SmsManager.java
index 1957170..3c1e215 100644
--- a/telephony/java/android/telephony/SmsManager.java
+++ b/telephony/java/android/telephony/SmsManager.java
@@ -2348,14 +2348,18 @@
      * @param sentIntent if not NULL this <code>PendingIntent</code> is
      *  broadcast when the message is successfully sent, or failed
      * @throws IllegalArgumentException if contentUri is empty
+     * @deprecated use {@link MmsManager#sendMultimediaMessage} instead.
      */
     public void sendMultimediaMessage(Context context, Uri contentUri, String locationUrl,
             Bundle configOverrides, PendingIntent sentIntent) {
         if (contentUri == null) {
             throw new IllegalArgumentException("Uri contentUri null");
         }
-        MmsManager.getInstance().sendMultimediaMessage(getSubscriptionId(), contentUri,
-                    locationUrl, configOverrides, sentIntent);
+        MmsManager m = (MmsManager) context.getSystemService(Context.MMS_SERVICE);
+        if (m != null) {
+            m.sendMultimediaMessage(getSubscriptionId(), contentUri, locationUrl, configOverrides,
+                    sentIntent);
+        }
     }
 
     /**
@@ -2379,6 +2383,7 @@
      * @param downloadedIntent if not NULL this <code>PendingIntent</code> is
      *  broadcast when the message is downloaded, or the download is failed
      * @throws IllegalArgumentException if locationUrl or contentUri is empty
+     * @deprecated use {@link MmsManager#downloadMultimediaMessage} instead.
      */
     public void downloadMultimediaMessage(Context context, String locationUrl, Uri contentUri,
             Bundle configOverrides, PendingIntent downloadedIntent) {
@@ -2388,8 +2393,11 @@
         if (contentUri == null) {
             throw new IllegalArgumentException("Uri contentUri null");
         }
-        MmsManager.getInstance().downloadMultimediaMessage(getSubscriptionId(), locationUrl,
-                contentUri, configOverrides, downloadedIntent);
+        MmsManager m = (MmsManager) context.getSystemService(Context.MMS_SERVICE);
+        if (m != null) {
+            m.downloadMultimediaMessage(getSubscriptionId(), locationUrl, contentUri,
+                    configOverrides, downloadedIntent);
+        }
     }
 
     // MMS send/download failure result codes
@@ -2431,9 +2439,9 @@
      * </p>
      *
      * @return the bundle key/values pairs that contains MMS configuration values
+     *  or an empty bundle if they cannot be found.
      */
-    @Nullable
-    public Bundle getCarrierConfigValues() {
+    @NonNull public Bundle getCarrierConfigValues() {
         try {
             ISms iSms = getISmsService();
             if (iSms != null) {
@@ -2442,7 +2450,7 @@
         } catch (RemoteException ex) {
             // ignore it
         }
-        return null;
+        return new Bundle();
     }
 
     /**
diff --git a/telephony/java/android/telephony/TelephonyManager.java b/telephony/java/android/telephony/TelephonyManager.java
index cfb8fb4..f2c0aa6 100644
--- a/telephony/java/android/telephony/TelephonyManager.java
+++ b/telephony/java/android/telephony/TelephonyManager.java
@@ -77,6 +77,7 @@
 import android.telephony.Annotation.NetworkType;
 import android.telephony.Annotation.RadioPowerState;
 import android.telephony.Annotation.SimActivationState;
+import android.telephony.Annotation.UiccAppType;
 import android.telephony.VisualVoicemailService.VisualVoicemailTask;
 import android.telephony.data.ApnSetting;
 import android.telephony.emergency.EmergencyNumber;
@@ -1866,13 +1867,9 @@
                 return null;
             }
 
-            Bundle bundle = telephony.getCellLocation(mContext.getOpPackageName(), null);
-            if (bundle == null || bundle.isEmpty()) {
-                Rlog.d(TAG, "getCellLocation returning null because CellLocation is unavailable");
-                return null;
-            }
-
-            CellLocation cl = CellLocation.newFromBundle(bundle);
+            CellIdentity cellIdentity = telephony.getCellLocation(mContext.getOpPackageName(),
+                    null);
+            CellLocation cl = cellIdentity.asCellLocation();
             if (cl == null || cl.isEmpty()) {
                 Rlog.d(TAG, "getCellLocation returning null because CellLocation is empty or"
                         + " phone type doesn't match CellLocation type");
@@ -5737,7 +5734,10 @@
      * @param AID Application id. See ETSI 102.221 and 101.220.
      * @param p2 P2 parameter (described in ISO 7816-4).
      * @return an IccOpenLogicalChannelResponse object.
+     * @deprecated Use {@link android.se.omapi.SEService} APIs instead.
      */
+    // TODO(b/147153909): Update Javadoc to link to specific SEService API once integrated.
+    @Deprecated
     public IccOpenLogicalChannelResponse iccOpenLogicalChannel(String AID, int p2) {
         return iccOpenLogicalChannel(getSubId(), AID, p2);
     }
@@ -5768,7 +5768,10 @@
      * @param p2 P2 parameter (described in ISO 7816-4).
      * @return an IccOpenLogicalChannelResponse object.
      * @hide
+     * @deprecated Use {@link android.se.omapi.SEService} APIs instead.
      */
+    // TODO(b/147153909): Update Javadoc to link to specific SEService API once integrated.
+    @Deprecated
     public IccOpenLogicalChannelResponse iccOpenLogicalChannel(int subId, String AID, int p2) {
         try {
             ITelephony telephony = getITelephony();
@@ -5796,7 +5799,10 @@
      *            iccOpenLogicalChannel.
      * @return true if the channel was closed successfully.
      * @hide
+     * @deprecated Use {@link android.se.omapi.SEService} APIs instead.
      */
+    // TODO(b/147153909): Update Javadoc to link to specific SEService API once integrated.
+    @Deprecated
     @RequiresPermission(Manifest.permission.MODIFY_PHONE_STATE)
     @SystemApi
     public boolean iccCloseLogicalChannelBySlot(int slotIndex, int channel) {
@@ -5823,7 +5829,10 @@
      * @param channel is the channel id to be closed as returned by a successful
      *            iccOpenLogicalChannel.
      * @return true if the channel was closed successfully.
+     * @deprecated Use {@link android.se.omapi.SEService} APIs instead.
      */
+    // TODO(b/147153909): Update Javadoc to link to specific SEService API once integrated.
+    @Deprecated
     public boolean iccCloseLogicalChannel(int channel) {
         return iccCloseLogicalChannel(getSubId(), channel);
     }
@@ -5842,7 +5851,10 @@
      *            iccOpenLogicalChannel.
      * @return true if the channel was closed successfully.
      * @hide
+     * @deprecated Use {@link android.se.omapi.SEService} APIs instead.
      */
+    // TODO(b/147153909): Update Javadoc to link to specific SEService API once integrated.
+    @Deprecated
     public boolean iccCloseLogicalChannel(int subId, int channel) {
         try {
             ITelephony telephony = getITelephony();
@@ -5878,7 +5890,10 @@
      * @return The APDU response from the ICC card with the status appended at the end, or null if
      * there is an issue connecting to the Telephony service.
      * @hide
+     * @deprecated Use {@link android.se.omapi.SEService} APIs instead.
      */
+    // TODO(b/147153909): Update Javadoc to link to specific SEService API once integrated.
+    @Deprecated
     @RequiresPermission(Manifest.permission.MODIFY_PHONE_STATE)
     @SystemApi
     @Nullable
@@ -5916,7 +5931,10 @@
      * @param data Data to be sent with the APDU.
      * @return The APDU response from the ICC card with the status appended at
      *            the end.
+     * @deprecated Use {@link android.se.omapi.SEService} APIs instead.
      */
+    // TODO(b/147153909): Update Javadoc to link to specific SEService API once integrated.
+    @Deprecated
     public String iccTransmitApduLogicalChannel(int channel, int cla,
             int instruction, int p1, int p2, int p3, String data) {
         return iccTransmitApduLogicalChannel(getSubId(), channel, cla,
@@ -5945,7 +5963,10 @@
      * @return The APDU response from the ICC card with the status appended at
      *            the end.
      * @hide
+     * @deprecated Use {@link android.se.omapi.SEService} APIs instead.
      */
+    // TODO(b/147153909): Update Javadoc to link to specific SEService API once integrated.
+    @Deprecated
     public String iccTransmitApduLogicalChannel(int subId, int channel, int cla,
             int instruction, int p1, int p2, int p3, String data) {
         try {
@@ -5981,7 +6002,10 @@
      * @return The APDU response from the ICC card with the status appended at
      *            the end.
      * @hide
+     * @deprecated Use {@link android.se.omapi.SEService} APIs instead.
      */
+    // TODO(b/147153909): Update Javadoc to link to specific SEService API once integrated.
+    @Deprecated
     @RequiresPermission(Manifest.permission.MODIFY_PHONE_STATE)
     @SystemApi
     @NonNull
@@ -6017,7 +6041,10 @@
      * @param data Data to be sent with the APDU.
      * @return The APDU response from the ICC card with the status appended at
      *            the end.
+     * @deprecated Use {@link android.se.omapi.SEService} APIs instead.
      */
+    // TODO(b/147153909): Update Javadoc to link to specific SEService API once integrated.
+    @Deprecated
     public String iccTransmitApduBasicChannel(int cla,
             int instruction, int p1, int p2, int p3, String data) {
         return iccTransmitApduBasicChannel(getSubId(), cla,
@@ -6044,7 +6071,10 @@
      * @return The APDU response from the ICC card with the status appended at
      *            the end.
      * @hide
+     * @deprecated Use {@link android.se.omapi.SEService} APIs instead.
      */
+    // TODO(b/147153909): Update Javadoc to link to specific SEService API once integrated.
+    @Deprecated
     public String iccTransmitApduBasicChannel(int subId, int cla,
             int instruction, int p1, int p2, int p3, String data) {
         try {
@@ -6072,7 +6102,10 @@
      * @param p3 P3 value of the APDU command.
      * @param filePath
      * @return The APDU response.
+     * @deprecated Use {@link android.se.omapi.SEService} APIs instead.
      */
+    // TODO(b/147153909): Update Javadoc to link to specific SEService API once integrated.
+    @Deprecated
     public byte[] iccExchangeSimIO(int fileID, int command, int p1, int p2, int p3,
             String filePath) {
         return iccExchangeSimIO(getSubId(), fileID, command, p1, p2, p3, filePath);
@@ -6094,7 +6127,10 @@
      * @param filePath
      * @return The APDU response.
      * @hide
+     * @deprecated Use {@link android.se.omapi.SEService} APIs instead.
      */
+    // TODO(b/147153909): Update Javadoc to link to specific SEService API once integrated.
+    @Deprecated
     public byte[] iccExchangeSimIO(int subId, int fileID, int command, int p1, int p2,
             int p3, String filePath) {
         try {
@@ -6120,7 +6156,10 @@
      * @return The APDU response from the ICC card in hexadecimal format
      *         with the last 4 bytes being the status word. If the command fails,
      *         returns an empty string.
+     * @deprecated Use {@link android.se.omapi.SEService} APIs instead.
      */
+    // TODO(b/147153909): Update Javadoc to link to specific SEService API once integrated.
+    @Deprecated
     public String sendEnvelopeWithStatus(String content) {
         return sendEnvelopeWithStatus(getSubId(), content);
     }
@@ -6140,7 +6179,10 @@
      *         with the last 4 bytes being the status word. If the command fails,
      *         returns an empty string.
      * @hide
+     * @deprecated Use {@link android.se.omapi.SEService} APIs instead.
      */
+    // TODO(b/147153909): Update Javadoc to link to specific SEService API once integrated.
+    @Deprecated
     public String sendEnvelopeWithStatus(int subId, String content) {
         try {
             ITelephony telephony = getITelephony();
@@ -6673,19 +6715,6 @@
         }
     }
 
-    /**
-     * UICC SIM Application Types
-     * @hide
-     */
-    @IntDef(prefix = { "APPTYPE_" }, value = {
-            APPTYPE_SIM,
-            APPTYPE_USIM,
-            APPTYPE_RUIM,
-            APPTYPE_CSIM,
-            APPTYPE_ISIM
-    })
-    @Retention(RetentionPolicy.SOURCE)
-    public @interface UiccAppType{}
     /** UICC application type is SIM */
     public static final int APPTYPE_SIM = PhoneConstants.APPTYPE_SIM;
     /** UICC application type is USIM */
diff --git a/telephony/java/android/telephony/ims/ImsRcsManager.java b/telephony/java/android/telephony/ims/ImsRcsManager.java
index 0c8dba6..a01687c 100644
--- a/telephony/java/android/telephony/ims/ImsRcsManager.java
+++ b/telephony/java/android/telephony/ims/ImsRcsManager.java
@@ -35,6 +35,8 @@
 import android.telephony.ims.stub.ImsRegistrationImplBase;
 import android.util.Log;
 
+import com.android.internal.telephony.IIntegerConsumer;
+
 import java.util.concurrent.Executor;
 import java.util.function.Consumer;
 
@@ -154,9 +156,20 @@
         if (executor == null) {
             throw new IllegalArgumentException("Must include a non-null Executor.");
         }
+
+        IImsRcsController imsRcsController = getIImsRcsController();
+        if (imsRcsController == null) {
+            Log.e(TAG, "Register registration callback: IImsRcsController is null");
+            throw new ImsException("Cannot find remote IMS service",
+                    ImsException.CODE_ERROR_SERVICE_UNAVAILABLE);
+        }
+
         c.setExecutor(executor);
-        throw new UnsupportedOperationException("registerImsRegistrationCallback is not"
-                + "supported.");
+        try {
+            imsRcsController.registerImsRegistrationCallback(mSubId, c.getBinder());
+        } catch (RemoteException | IllegalStateException e) {
+            throw new ImsException(e.getMessage(), ImsException.CODE_ERROR_SERVICE_UNAVAILABLE);
+        }
     }
 
     /**{@inheritDoc}*/
@@ -167,8 +180,18 @@
         if (c == null) {
             throw new IllegalArgumentException("Must include a non-null RegistrationCallback.");
         }
-        throw new UnsupportedOperationException("unregisterImsRegistrationCallback is not"
-                + "supported.");
+
+        IImsRcsController imsRcsController = getIImsRcsController();
+        if (imsRcsController == null) {
+            Log.e(TAG, "Unregister registration callback: IImsRcsController is null");
+            throw new IllegalStateException("Cannot find remote IMS service");
+        }
+
+        try {
+            imsRcsController.unregisterImsRegistrationCallback(mSubId, c.getBinder());
+        } catch (RemoteException e) {
+            throw e.rethrowAsRuntimeException();
+        }
     }
 
     /**{@inheritDoc}*/
@@ -182,8 +205,23 @@
         if (executor == null) {
             throw new IllegalArgumentException("Must include a non-null Executor.");
         }
-        throw new UnsupportedOperationException("getRegistrationState is not"
-                + "supported.");
+
+        IImsRcsController imsRcsController = getIImsRcsController();
+        if (imsRcsController == null) {
+            Log.e(TAG, "Get registration state error: IImsRcsController is null");
+            throw new IllegalStateException("Cannot find remote IMS service");
+        }
+
+        try {
+            imsRcsController.getImsRcsRegistrationState(mSubId, new IIntegerConsumer.Stub() {
+                @Override
+                public void accept(int result) {
+                    executor.execute(() -> stateCallback.accept(result));
+                }
+            });
+        } catch (RemoteException e) {
+            throw e.rethrowAsRuntimeException();
+        }
     }
 
     /**{@inheritDoc}*/
@@ -198,10 +236,25 @@
         if (executor == null) {
             throw new IllegalArgumentException("Must include a non-null Executor.");
         }
-        throw new UnsupportedOperationException("getRegistrationTransportType is not"
-                + "supported.");
-    }
 
+        IImsRcsController imsRcsController = getIImsRcsController();
+        if (imsRcsController == null) {
+            Log.e(TAG, "Get registration transport type error: IImsRcsController is null");
+            throw new IllegalStateException("Cannot find remote IMS service");
+        }
+
+        try {
+            imsRcsController.getImsRcsRegistrationTransportType(mSubId,
+                    new IIntegerConsumer.Stub() {
+                        @Override
+                        public void accept(int result) {
+                            executor.execute(() -> transportTypeCallback.accept(result));
+                        }
+                    });
+        } catch (RemoteException e) {
+            throw e.rethrowAsRuntimeException();
+        }
+    }
 
     /**
      * Registers an {@link AvailabilityCallback} with the system, which will provide RCS
diff --git a/telephony/java/android/telephony/ims/aidl/IImsRcsController.aidl b/telephony/java/android/telephony/ims/aidl/IImsRcsController.aidl
index e81bac0..6f6aa44 100644
--- a/telephony/java/android/telephony/ims/aidl/IImsRcsController.aidl
+++ b/telephony/java/android/telephony/ims/aidl/IImsRcsController.aidl
@@ -19,6 +19,9 @@
 import android.net.Uri;
 import android.telephony.ims.aidl.IImsCapabilityCallback;
 import android.telephony.ims.aidl.IRcsUceControllerCallback;
+import android.telephony.ims.aidl.IImsRegistrationCallback;
+
+import com.android.internal.telephony.IIntegerConsumer;
 
 /**
  * Interface used to interact with the Telephony IMS.
@@ -26,6 +29,13 @@
  * {@hide}
  */
 interface IImsRcsController {
+    // IMS RCS registration commands
+    void registerImsRegistrationCallback(int subId, IImsRegistrationCallback c);
+    void unregisterImsRegistrationCallback(int subId, IImsRegistrationCallback c);
+    void getImsRcsRegistrationState(int subId, IIntegerConsumer consumer);
+    void getImsRcsRegistrationTransportType(int subId, IIntegerConsumer consumer);
+
+    // IMS RCS capability commands
     void registerRcsAvailabilityCallback(int subId, IImsCapabilityCallback c);
     void unregisterRcsAvailabilityCallback(int subId, IImsCapabilityCallback c);
     boolean isCapable(int subId, int capability, int radioTech);
diff --git a/telephony/java/com/android/internal/telephony/ITelephony.aidl b/telephony/java/com/android/internal/telephony/ITelephony.aidl
index 97b24ae..0baac71 100644
--- a/telephony/java/com/android/internal/telephony/ITelephony.aidl
+++ b/telephony/java/com/android/internal/telephony/ITelephony.aidl
@@ -30,6 +30,7 @@
 import android.telecom.PhoneAccount;
 import android.telecom.PhoneAccountHandle;
 import android.telephony.CarrierRestrictionRules;
+import android.telephony.CellIdentity;
 import android.telephony.CellInfo;
 import android.telephony.ClientRequestStats;
 import android.telephony.IccOpenLogicalChannelResponse;
@@ -305,7 +306,8 @@
      */
     boolean isDataConnectivityPossible(int subId);
 
-    Bundle getCellLocation(String callingPkg, String callingFeatureId);
+    // Uses CellIdentity which is Parcelable here; will convert to CellLocation in client.
+    CellIdentity getCellLocation(String callingPkg, String callingFeatureId);
 
     /**
      * Returns the ISO country code equivalent of the current registered
diff --git a/tests/net/java/android/net/TcpKeepalivePacketDataTest.java b/tests/net/java/android/net/TcpKeepalivePacketDataTest.java
index 5cb0d7e..e632aaf 100644
--- a/tests/net/java/android/net/TcpKeepalivePacketDataTest.java
+++ b/tests/net/java/android/net/TcpKeepalivePacketDataTest.java
@@ -22,8 +22,6 @@
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.fail;
 
-import android.net.SocketKeepalive.InvalidPacketException;
-
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;