Merge changes I80100f39,I4b39c1c4,I65ce9a23,I5094a137,Id898752f, ...

* changes:
  Make sure SysUI is not constantly redrawing status bar
  Fix app staying in drag resizing when undocking
  Fix flicker when dismissing non-docked stack
  Start drawing immediately
  Improve dismiss/scrolling handling in recents
  Dim harder when dismissing
diff --git a/Android.mk b/Android.mk
index 1d797c4..c947b0e 100644
--- a/Android.mk
+++ b/Android.mk
@@ -288,6 +288,7 @@
 	core/java/com/android/internal/app/IBatteryStats.aidl \
 	core/java/com/android/internal/app/IEphemeralResolver.aidl \
 	core/java/com/android/internal/app/IProcessStats.aidl \
+	core/java/com/android/internal/app/ISoundTriggerService.aidl \
 	core/java/com/android/internal/app/IVoiceInteractionManagerService.aidl \
 	core/java/com/android/internal/app/IVoiceInteractionSessionShowCallback.aidl \
 	core/java/com/android/internal/app/IVoiceInteractor.aidl \
@@ -384,6 +385,8 @@
 	media/java/android/media/tv/ITvInputSessionCallback.aidl \
 	media/java/android/service/media/IMediaBrowserService.aidl \
 	media/java/android/service/media/IMediaBrowserServiceCallbacks.aidl \
+	telecomm/java/com/android/internal/telecom/ICallScreeningAdapter.aidl \
+	telecomm/java/com/android/internal/telecom/ICallScreeningService.aidl \
 	telecomm/java/com/android/internal/telecom/IVideoCallback.aidl \
 	telecomm/java/com/android/internal/telecom/IVideoProvider.aidl \
 	telecomm/java/com/android/internal/telecom/IConnectionService.aidl \
diff --git a/api/current.txt b/api/current.txt
index 134550b4..565faac 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -33,6 +33,7 @@
     field public static final java.lang.String BIND_PRINT_SERVICE = "android.permission.BIND_PRINT_SERVICE";
     field public static final java.lang.String BIND_QUICK_SETTINGS_TILE = "android.permission.BIND_QUICK_SETTINGS_TILE";
     field public static final java.lang.String BIND_REMOTEVIEWS = "android.permission.BIND_REMOTEVIEWS";
+    field public static final java.lang.String BIND_SCREENING_SERVICE = "android.permission.BIND_SCREENING_SERVICE";
     field public static final java.lang.String BIND_TELECOM_CONNECTION_SERVICE = "android.permission.BIND_TELECOM_CONNECTION_SERVICE";
     field public static final java.lang.String BIND_TEXT_SERVICE = "android.permission.BIND_TEXT_SERVICE";
     field public static final java.lang.String BIND_TV_INPUT = "android.permission.BIND_TV_INPUT";
@@ -19320,6 +19321,7 @@
     field public static final int ENCODING_DTS = 7; // 0x7
     field public static final int ENCODING_DTS_HD = 8; // 0x8
     field public static final int ENCODING_E_AC3 = 6; // 0x6
+    field public static final int ENCODING_IEC61937 = 13; // 0xd
     field public static final int ENCODING_INVALID = 0; // 0x0
     field public static final int ENCODING_PCM_16BIT = 2; // 0x2
     field public static final int ENCODING_PCM_8BIT = 3; // 0x3
@@ -20083,6 +20085,7 @@
     field public static final deprecated int COLOR_QCOM_FormatYUV420SemiPlanar = 2141391872; // 0x7fa30c00
     field public static final deprecated int COLOR_TI_FormatYUV420PackedSemiPlanar = 2130706688; // 0x7f000100
     field public static final java.lang.String FEATURE_AdaptivePlayback = "adaptive-playback";
+    field public static final java.lang.String FEATURE_IntraRefresh = "intra-refresh";
     field public static final java.lang.String FEATURE_SecurePlayback = "secure-playback";
     field public static final java.lang.String FEATURE_TunneledPlayback = "tunneled-playback";
     field public int[] colorFormats;
@@ -20224,6 +20227,24 @@
     field public static final int VP8Level_Version2 = 4; // 0x4
     field public static final int VP8Level_Version3 = 8; // 0x8
     field public static final int VP8ProfileMain = 1; // 0x1
+    field public static final int VP9Level1 = 0; // 0x0
+    field public static final int VP9Level11 = 1; // 0x1
+    field public static final int VP9Level2 = 2; // 0x2
+    field public static final int VP9Level21 = 4; // 0x4
+    field public static final int VP9Level3 = 8; // 0x8
+    field public static final int VP9Level31 = 16; // 0x10
+    field public static final int VP9Level4 = 32; // 0x20
+    field public static final int VP9Level41 = 64; // 0x40
+    field public static final int VP9Level5 = 128; // 0x80
+    field public static final int VP9Level51 = 256; // 0x100
+    field public static final int VP9Level52 = 512; // 0x200
+    field public static final int VP9Level6 = 1024; // 0x400
+    field public static final int VP9Level61 = 2048; // 0x800
+    field public static final int VP9Level62 = 4096; // 0x1000
+    field public static final int VP9Profile0 = 0; // 0x0
+    field public static final int VP9Profile1 = 1; // 0x1
+    field public static final int VP9Profile2 = 2; // 0x2
+    field public static final int VP9Profile3 = 3; // 0x3
     field public int level;
     field public int profile;
   }
@@ -20471,6 +20492,7 @@
     field public static final java.lang.String KEY_FLAC_COMPRESSION_LEVEL = "flac-compression-level";
     field public static final java.lang.String KEY_FRAME_RATE = "frame-rate";
     field public static final java.lang.String KEY_HEIGHT = "height";
+    field public static final java.lang.String KEY_INTRA_REFRESH_PERIOD = "intra-refresh-period";
     field public static final java.lang.String KEY_IS_ADTS = "is-adts";
     field public static final java.lang.String KEY_IS_AUTOSELECT = "is-autoselect";
     field public static final java.lang.String KEY_IS_DEFAULT = "is-default";
@@ -20792,9 +20814,11 @@
     method public static final int getAudioSourceMax();
     method public int getMaxAmplitude() throws java.lang.IllegalStateException;
     method public android.view.Surface getSurface();
+    method public void pause() throws java.lang.IllegalStateException;
     method public void prepare() throws java.io.IOException, java.lang.IllegalStateException;
     method public void release();
     method public void reset();
+    method public void resume() throws java.lang.IllegalStateException;
     method public void setAudioChannels(int);
     method public void setAudioEncoder(int) throws java.lang.IllegalStateException;
     method public void setAudioEncodingBitRate(int);
@@ -28549,6 +28573,7 @@
     field public static final int RELEASE_FLAG_WAIT_FOR_NO_PROXIMITY = 1; // 0x1
     field public static final deprecated int SCREEN_BRIGHT_WAKE_LOCK = 10; // 0xa
     field public static final deprecated int SCREEN_DIM_WAKE_LOCK = 6; // 0x6
+    field public static final int SUSTAINED_PERFORMANCE_WAKE_LOCK = 256; // 0x100
   }
 
   public final class PowerManager.WakeLock {
@@ -32278,6 +32303,7 @@
   public class VoicemailContract {
     field public static final java.lang.String ACTION_FETCH_VOICEMAIL = "android.intent.action.FETCH_VOICEMAIL";
     field public static final java.lang.String ACTION_NEW_VOICEMAIL = "android.intent.action.NEW_VOICEMAIL";
+    field public static final java.lang.String ACTION_SYNC_VOICEMAIL = "android.intent.action.SYNC_VOICEMAIL";
     field public static final java.lang.String AUTHORITY = "com.android.voicemail";
     field public static final java.lang.String EXTRA_SELF_CHANGE = "com.android.voicemail.extra.SELF_CHANGE";
     field public static final java.lang.String PARAM_KEY_SOURCE_PACKAGE = "source_package";
@@ -32292,8 +32318,13 @@
     field public static final int CONFIGURATION_STATE_OK = 0; // 0x0
     field public static final android.net.Uri CONTENT_URI;
     field public static final java.lang.String DATA_CHANNEL_STATE = "data_channel_state";
+    field public static final int DATA_CHANNEL_STATE_BAD_CONFIGURATION = 3; // 0x3
+    field public static final int DATA_CHANNEL_STATE_COMMUNICATION_ERROR = 4; // 0x4
     field public static final int DATA_CHANNEL_STATE_NO_CONNECTION = 1; // 0x1
+    field public static final int DATA_CHANNEL_STATE_NO_CONNECTION_CELLULAR_REQUIRED = 2; // 0x2
     field public static final int DATA_CHANNEL_STATE_OK = 0; // 0x0
+    field public static final int DATA_CHANNEL_STATE_SERVER_CONNECTION_ERROR = 6; // 0x6
+    field public static final int DATA_CHANNEL_STATE_SERVER_ERROR = 5; // 0x5
     field public static final java.lang.String DIR_TYPE = "vnd.android.cursor.dir/voicemail.source.status";
     field public static final java.lang.String ITEM_TYPE = "vnd.android.cursor.item/voicemail.source.status";
     field public static final java.lang.String NOTIFICATION_CHANNEL_STATE = "notification_channel_state";
@@ -33933,6 +33964,7 @@
     field public static final int REASON_LISTENER_CANCEL_ALL = 11; // 0xb
     field public static final int REASON_PACKAGE_BANNED = 7; // 0x7
     field public static final int REASON_PACKAGE_CHANGED = 5; // 0x5
+    field public static final int REASON_PACKAGE_SUSPENDED = 15; // 0xf
     field public static final int REASON_TOPIC_BANNED = 14; // 0xe
     field public static final int REASON_USER_STOPPED = 6; // 0x6
     field public static final java.lang.String SERVICE_INTERFACE = "android.service.notification.NotificationAssistantService";
@@ -35348,6 +35380,30 @@
     field public static final int ROUTE_WIRED_OR_EARPIECE = 5; // 0x5
   }
 
+  public abstract class CallScreeningService extends android.app.Service {
+    ctor public CallScreeningService();
+    method public android.os.IBinder onBind(android.content.Intent);
+    method public abstract void onScreenCall(android.telecom.Call.Details);
+    method public final void respondToCall(android.telecom.Call.Details, android.telecom.CallScreeningService.CallResponse);
+    field public static final java.lang.String SERVICE_INTERFACE = "android.telecom.CallScreeningService";
+  }
+
+  public class CallScreeningService.CallResponse {
+    method public boolean getDisallowCall();
+    method public boolean getRejectCall();
+    method public boolean getSkipCallLog();
+    method public boolean getSkipNotification();
+  }
+
+  public class CallScreeningService.CallResponse.Builder {
+    ctor public CallScreeningService.CallResponse.Builder();
+    method public android.telecom.CallScreeningService.CallResponse build();
+    method public android.telecom.CallScreeningService.CallResponse.Builder setDisallowCall(boolean);
+    method public android.telecom.CallScreeningService.CallResponse.Builder setRejectCall(boolean);
+    method public android.telecom.CallScreeningService.CallResponse.Builder setSkipCallLog(boolean);
+    method public android.telecom.CallScreeningService.CallResponse.Builder setSkipNotification(boolean);
+  }
+
   public abstract class Conference extends android.telecom.Conferenceable {
     ctor public Conference(android.telecom.PhoneAccountHandle);
     method public final boolean addConnection(android.telecom.Connection);
@@ -35587,6 +35643,7 @@
     method public void onCallAudioStateChanged(android.telecom.CallAudioState);
     method public void onCallRemoved(android.telecom.Call);
     method public void onCanAddCallChanged(boolean);
+    method public void onSilenceRinger();
     method public final void setAudioRoute(int);
     method public final void setMuted(boolean);
     field public static final java.lang.String SERVICE_INTERFACE = "android.telecom.InCallService";
@@ -35847,6 +35904,7 @@
     field public static final java.lang.String EXTRA_START_CALL_WITH_VIDEO_STATE = "android.telecom.extra.START_CALL_WITH_VIDEO_STATE";
     field public static final java.lang.String GATEWAY_ORIGINAL_ADDRESS = "android.telecom.extra.GATEWAY_ORIGINAL_ADDRESS";
     field public static final java.lang.String GATEWAY_PROVIDER_PACKAGE = "android.telecom.extra.GATEWAY_PROVIDER_PACKAGE";
+    field public static final java.lang.String METADATA_IN_CALL_SERVICE_RINGING = "android.telecom.IN_CALL_SERVICE_RINGING";
     field public static final java.lang.String METADATA_IN_CALL_SERVICE_UI = "android.telecom.IN_CALL_SERVICE_UI";
     field public static final int PRESENTATION_ALLOWED = 1; // 0x1
     field public static final int PRESENTATION_PAYPHONE = 4; // 0x4
@@ -35998,6 +36056,7 @@
     field public static final java.lang.String KEY_VVM_CELLULAR_DATA_REQUIRED_BOOLEAN = "vvm_cellular_data_required";
     field public static final java.lang.String KEY_VVM_DESTINATION_NUMBER_STRING = "vvm_destination_number_string";
     field public static final java.lang.String KEY_VVM_PORT_NUMBER_INT = "vvm_port_number_int";
+    field public static final java.lang.String KEY_VVM_PREFETCH_BOOLEAN = "vvm_prefetch";
     field public static final java.lang.String KEY_VVM_TYPE_STRING = "vvm_type_string";
     field public static final java.lang.String KEY_WORLD_PHONE_BOOL = "world_phone_bool";
   }
@@ -36015,6 +36074,8 @@
 
   public final class CellIdentityGsm implements android.os.Parcelable {
     method public int describeContents();
+    method public int getArfcn();
+    method public int getBsic();
     method public int getCid();
     method public int getLac();
     method public int getMcc();
@@ -36027,6 +36088,7 @@
   public final class CellIdentityLte implements android.os.Parcelable {
     method public int describeContents();
     method public int getCi();
+    method public int getEarfcn();
     method public int getMcc();
     method public int getMnc();
     method public int getPci();
@@ -36042,6 +36104,7 @@
     method public int getMcc();
     method public int getMnc();
     method public int getPsc();
+    method public int getUarfcn();
     method public void writeToParcel(android.os.Parcel, int);
     field public static final android.os.Parcelable.Creator<android.telephony.CellIdentityWcdma> CREATOR;
   }
diff --git a/api/system-current.txt b/api/system-current.txt
index 56d1011..66f406a 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -46,6 +46,7 @@
     field public static final java.lang.String BIND_PRINT_SERVICE = "android.permission.BIND_PRINT_SERVICE";
     field public static final java.lang.String BIND_QUICK_SETTINGS_TILE = "android.permission.BIND_QUICK_SETTINGS_TILE";
     field public static final java.lang.String BIND_REMOTEVIEWS = "android.permission.BIND_REMOTEVIEWS";
+    field public static final java.lang.String BIND_SCREENING_SERVICE = "android.permission.BIND_SCREENING_SERVICE";
     field public static final java.lang.String BIND_TELECOM_CONNECTION_SERVICE = "android.permission.BIND_TELECOM_CONNECTION_SERVICE";
     field public static final java.lang.String BIND_TEXT_SERVICE = "android.permission.BIND_TEXT_SERVICE";
     field public static final java.lang.String BIND_TRUST_AGENT = "android.permission.BIND_TRUST_AGENT";
@@ -7607,6 +7608,8 @@
     method public void flushPendingScanResults(android.bluetooth.le.ScanCallback);
     method public void startScan(android.bluetooth.le.ScanCallback);
     method public void startScan(java.util.List<android.bluetooth.le.ScanFilter>, android.bluetooth.le.ScanSettings, android.bluetooth.le.ScanCallback);
+    method public void startScanFromSource(android.os.WorkSource, android.bluetooth.le.ScanCallback);
+    method public void startScanFromSource(java.util.List<android.bluetooth.le.ScanFilter>, android.bluetooth.le.ScanSettings, android.os.WorkSource, android.bluetooth.le.ScanCallback);
     method public void startTruncatedScan(java.util.List<android.bluetooth.le.TruncatedFilter>, android.bluetooth.le.ScanSettings, android.bluetooth.le.ScanCallback);
     method public void stopScan(android.bluetooth.le.ScanCallback);
   }
@@ -20658,6 +20661,7 @@
     field public static final int ENCODING_DTS = 7; // 0x7
     field public static final int ENCODING_DTS_HD = 8; // 0x8
     field public static final int ENCODING_E_AC3 = 6; // 0x6
+    field public static final int ENCODING_IEC61937 = 13; // 0xd
     field public static final int ENCODING_INVALID = 0; // 0x0
     field public static final int ENCODING_PCM_16BIT = 2; // 0x2
     field public static final int ENCODING_PCM_8BIT = 3; // 0x3
@@ -21433,6 +21437,7 @@
     field public static final deprecated int COLOR_QCOM_FormatYUV420SemiPlanar = 2141391872; // 0x7fa30c00
     field public static final deprecated int COLOR_TI_FormatYUV420PackedSemiPlanar = 2130706688; // 0x7f000100
     field public static final java.lang.String FEATURE_AdaptivePlayback = "adaptive-playback";
+    field public static final java.lang.String FEATURE_IntraRefresh = "intra-refresh";
     field public static final java.lang.String FEATURE_SecurePlayback = "secure-playback";
     field public static final java.lang.String FEATURE_TunneledPlayback = "tunneled-playback";
     field public int[] colorFormats;
@@ -21574,6 +21579,24 @@
     field public static final int VP8Level_Version2 = 4; // 0x4
     field public static final int VP8Level_Version3 = 8; // 0x8
     field public static final int VP8ProfileMain = 1; // 0x1
+    field public static final int VP9Level1 = 0; // 0x0
+    field public static final int VP9Level11 = 1; // 0x1
+    field public static final int VP9Level2 = 2; // 0x2
+    field public static final int VP9Level21 = 4; // 0x4
+    field public static final int VP9Level3 = 8; // 0x8
+    field public static final int VP9Level31 = 16; // 0x10
+    field public static final int VP9Level4 = 32; // 0x20
+    field public static final int VP9Level41 = 64; // 0x40
+    field public static final int VP9Level5 = 128; // 0x80
+    field public static final int VP9Level51 = 256; // 0x100
+    field public static final int VP9Level52 = 512; // 0x200
+    field public static final int VP9Level6 = 1024; // 0x400
+    field public static final int VP9Level61 = 2048; // 0x800
+    field public static final int VP9Level62 = 4096; // 0x1000
+    field public static final int VP9Profile0 = 0; // 0x0
+    field public static final int VP9Profile1 = 1; // 0x1
+    field public static final int VP9Profile2 = 2; // 0x2
+    field public static final int VP9Profile3 = 3; // 0x3
     field public int level;
     field public int profile;
   }
@@ -21821,6 +21844,7 @@
     field public static final java.lang.String KEY_FLAC_COMPRESSION_LEVEL = "flac-compression-level";
     field public static final java.lang.String KEY_FRAME_RATE = "frame-rate";
     field public static final java.lang.String KEY_HEIGHT = "height";
+    field public static final java.lang.String KEY_INTRA_REFRESH_PERIOD = "intra-refresh-period";
     field public static final java.lang.String KEY_IS_ADTS = "is-adts";
     field public static final java.lang.String KEY_IS_AUTOSELECT = "is-autoselect";
     field public static final java.lang.String KEY_IS_DEFAULT = "is-default";
@@ -22142,9 +22166,11 @@
     method public static final int getAudioSourceMax();
     method public int getMaxAmplitude() throws java.lang.IllegalStateException;
     method public android.view.Surface getSurface();
+    method public void pause() throws java.lang.IllegalStateException;
     method public void prepare() throws java.io.IOException, java.lang.IllegalStateException;
     method public void release();
     method public void reset();
+    method public void resume() throws java.lang.IllegalStateException;
     method public void setAudioChannels(int);
     method public void setAudioEncoder(int) throws java.lang.IllegalStateException;
     method public void setAudioEncodingBitRate(int);
@@ -30627,6 +30653,7 @@
     field public static final int RELEASE_FLAG_WAIT_FOR_NO_PROXIMITY = 1; // 0x1
     field public static final deprecated int SCREEN_BRIGHT_WAKE_LOCK = 10; // 0xa
     field public static final deprecated int SCREEN_DIM_WAKE_LOCK = 6; // 0x6
+    field public static final int SUSTAINED_PERFORMANCE_WAKE_LOCK = 256; // 0x100
     field public static final int USER_ACTIVITY_EVENT_BUTTON = 1; // 0x1
     field public static final int USER_ACTIVITY_EVENT_OTHER = 0; // 0x0
     field public static final int USER_ACTIVITY_EVENT_TOUCH = 2; // 0x2
@@ -34503,6 +34530,7 @@
   public class VoicemailContract {
     field public static final java.lang.String ACTION_FETCH_VOICEMAIL = "android.intent.action.FETCH_VOICEMAIL";
     field public static final java.lang.String ACTION_NEW_VOICEMAIL = "android.intent.action.NEW_VOICEMAIL";
+    field public static final java.lang.String ACTION_SYNC_VOICEMAIL = "android.intent.action.SYNC_VOICEMAIL";
     field public static final java.lang.String AUTHORITY = "com.android.voicemail";
     field public static final java.lang.String EXTRA_SELF_CHANGE = "com.android.voicemail.extra.SELF_CHANGE";
     field public static final java.lang.String PARAM_KEY_SOURCE_PACKAGE = "source_package";
@@ -34517,8 +34545,13 @@
     field public static final int CONFIGURATION_STATE_OK = 0; // 0x0
     field public static final android.net.Uri CONTENT_URI;
     field public static final java.lang.String DATA_CHANNEL_STATE = "data_channel_state";
+    field public static final int DATA_CHANNEL_STATE_BAD_CONFIGURATION = 3; // 0x3
+    field public static final int DATA_CHANNEL_STATE_COMMUNICATION_ERROR = 4; // 0x4
     field public static final int DATA_CHANNEL_STATE_NO_CONNECTION = 1; // 0x1
+    field public static final int DATA_CHANNEL_STATE_NO_CONNECTION_CELLULAR_REQUIRED = 2; // 0x2
     field public static final int DATA_CHANNEL_STATE_OK = 0; // 0x0
+    field public static final int DATA_CHANNEL_STATE_SERVER_CONNECTION_ERROR = 6; // 0x6
+    field public static final int DATA_CHANNEL_STATE_SERVER_ERROR = 5; // 0x5
     field public static final java.lang.String DIR_TYPE = "vnd.android.cursor.dir/voicemail.source.status";
     field public static final java.lang.String ITEM_TYPE = "vnd.android.cursor.item/voicemail.source.status";
     field public static final java.lang.String NOTIFICATION_CHANNEL_STATE = "notification_channel_state";
@@ -36158,6 +36191,7 @@
     field public static final int REASON_LISTENER_CANCEL_ALL = 11; // 0xb
     field public static final int REASON_PACKAGE_BANNED = 7; // 0x7
     field public static final int REASON_PACKAGE_CHANGED = 5; // 0x5
+    field public static final int REASON_PACKAGE_SUSPENDED = 15; // 0xf
     field public static final int REASON_TOPIC_BANNED = 14; // 0xe
     field public static final int REASON_USER_STOPPED = 6; // 0x6
     field public static final java.lang.String SERVICE_INTERFACE = "android.service.notification.NotificationAssistantService";
@@ -37653,6 +37687,30 @@
     field public static final int ROUTE_WIRED_OR_EARPIECE = 5; // 0x5
   }
 
+  public abstract class CallScreeningService extends android.app.Service {
+    ctor public CallScreeningService();
+    method public android.os.IBinder onBind(android.content.Intent);
+    method public abstract void onScreenCall(android.telecom.Call.Details);
+    method public final void respondToCall(android.telecom.Call.Details, android.telecom.CallScreeningService.CallResponse);
+    field public static final java.lang.String SERVICE_INTERFACE = "android.telecom.CallScreeningService";
+  }
+
+  public class CallScreeningService.CallResponse {
+    method public boolean getDisallowCall();
+    method public boolean getRejectCall();
+    method public boolean getSkipCallLog();
+    method public boolean getSkipNotification();
+  }
+
+  public class CallScreeningService.CallResponse.Builder {
+    ctor public CallScreeningService.CallResponse.Builder();
+    method public android.telecom.CallScreeningService.CallResponse build();
+    method public android.telecom.CallScreeningService.CallResponse.Builder setDisallowCall(boolean);
+    method public android.telecom.CallScreeningService.CallResponse.Builder setRejectCall(boolean);
+    method public android.telecom.CallScreeningService.CallResponse.Builder setSkipCallLog(boolean);
+    method public android.telecom.CallScreeningService.CallResponse.Builder setSkipNotification(boolean);
+  }
+
   public abstract class Conference extends android.telecom.Conferenceable {
     ctor public Conference(android.telecom.PhoneAccountHandle);
     method public final boolean addConnection(android.telecom.Connection);
@@ -37902,6 +37960,7 @@
     method public void onCanAddCallChanged(boolean);
     method public deprecated void onPhoneCreated(android.telecom.Phone);
     method public deprecated void onPhoneDestroyed(android.telecom.Phone);
+    method public void onSilenceRinger();
     method public final void setAudioRoute(int);
     method public final void setMuted(boolean);
     field public static final java.lang.String SERVICE_INTERFACE = "android.telecom.InCallService";
@@ -37983,6 +38042,7 @@
     method public void onCallAudioStateChanged(android.telecom.Phone, android.telecom.CallAudioState);
     method public void onCallRemoved(android.telecom.Phone, android.telecom.Call);
     method public void onCanAddCallChanged(android.telecom.Phone, boolean);
+    method public void onSilenceRinger(android.telecom.Phone);
   }
 
   public final class PhoneAccount implements android.os.Parcelable {
@@ -38242,6 +38302,7 @@
     field public static final java.lang.String EXTRA_START_CALL_WITH_VIDEO_STATE = "android.telecom.extra.START_CALL_WITH_VIDEO_STATE";
     field public static final java.lang.String GATEWAY_ORIGINAL_ADDRESS = "android.telecom.extra.GATEWAY_ORIGINAL_ADDRESS";
     field public static final java.lang.String GATEWAY_PROVIDER_PACKAGE = "android.telecom.extra.GATEWAY_PROVIDER_PACKAGE";
+    field public static final java.lang.String METADATA_IN_CALL_SERVICE_RINGING = "android.telecom.IN_CALL_SERVICE_RINGING";
     field public static final java.lang.String METADATA_IN_CALL_SERVICE_UI = "android.telecom.IN_CALL_SERVICE_UI";
     field public static final int PRESENTATION_ALLOWED = 1; // 0x1
     field public static final int PRESENTATION_PAYPHONE = 4; // 0x4
@@ -38395,6 +38456,7 @@
     field public static final java.lang.String KEY_VVM_CELLULAR_DATA_REQUIRED_BOOLEAN = "vvm_cellular_data_required";
     field public static final java.lang.String KEY_VVM_DESTINATION_NUMBER_STRING = "vvm_destination_number_string";
     field public static final java.lang.String KEY_VVM_PORT_NUMBER_INT = "vvm_port_number_int";
+    field public static final java.lang.String KEY_VVM_PREFETCH_BOOLEAN = "vvm_prefetch";
     field public static final java.lang.String KEY_VVM_TYPE_STRING = "vvm_type_string";
     field public static final java.lang.String KEY_WORLD_PHONE_BOOL = "world_phone_bool";
   }
@@ -38412,6 +38474,8 @@
 
   public final class CellIdentityGsm implements android.os.Parcelable {
     method public int describeContents();
+    method public int getArfcn();
+    method public int getBsic();
     method public int getCid();
     method public int getLac();
     method public int getMcc();
@@ -38424,6 +38488,7 @@
   public final class CellIdentityLte implements android.os.Parcelable {
     method public int describeContents();
     method public int getCi();
+    method public int getEarfcn();
     method public int getMcc();
     method public int getMnc();
     method public int getPci();
@@ -38439,6 +38504,7 @@
     method public int getMcc();
     method public int getMnc();
     method public int getPsc();
+    method public int getUarfcn();
     method public void writeToParcel(android.os.Parcel, int);
     field public static final android.os.Parcelable.Creator<android.telephony.CellIdentityWcdma> CREATOR;
   }
diff --git a/api/test-current.txt b/api/test-current.txt
index 74f2365..dcc00ad 100644
--- a/api/test-current.txt
+++ b/api/test-current.txt
@@ -33,6 +33,7 @@
     field public static final java.lang.String BIND_PRINT_SERVICE = "android.permission.BIND_PRINT_SERVICE";
     field public static final java.lang.String BIND_QUICK_SETTINGS_TILE = "android.permission.BIND_QUICK_SETTINGS_TILE";
     field public static final java.lang.String BIND_REMOTEVIEWS = "android.permission.BIND_REMOTEVIEWS";
+    field public static final java.lang.String BIND_SCREENING_SERVICE = "android.permission.BIND_SCREENING_SERVICE";
     field public static final java.lang.String BIND_TELECOM_CONNECTION_SERVICE = "android.permission.BIND_TELECOM_CONNECTION_SERVICE";
     field public static final java.lang.String BIND_TEXT_SERVICE = "android.permission.BIND_TEXT_SERVICE";
     field public static final java.lang.String BIND_TV_INPUT = "android.permission.BIND_TV_INPUT";
@@ -19328,6 +19329,7 @@
     field public static final int ENCODING_DTS = 7; // 0x7
     field public static final int ENCODING_DTS_HD = 8; // 0x8
     field public static final int ENCODING_E_AC3 = 6; // 0x6
+    field public static final int ENCODING_IEC61937 = 13; // 0xd
     field public static final int ENCODING_INVALID = 0; // 0x0
     field public static final int ENCODING_PCM_16BIT = 2; // 0x2
     field public static final int ENCODING_PCM_8BIT = 3; // 0x3
@@ -20091,6 +20093,7 @@
     field public static final deprecated int COLOR_QCOM_FormatYUV420SemiPlanar = 2141391872; // 0x7fa30c00
     field public static final deprecated int COLOR_TI_FormatYUV420PackedSemiPlanar = 2130706688; // 0x7f000100
     field public static final java.lang.String FEATURE_AdaptivePlayback = "adaptive-playback";
+    field public static final java.lang.String FEATURE_IntraRefresh = "intra-refresh";
     field public static final java.lang.String FEATURE_SecurePlayback = "secure-playback";
     field public static final java.lang.String FEATURE_TunneledPlayback = "tunneled-playback";
     field public int[] colorFormats;
@@ -20232,6 +20235,24 @@
     field public static final int VP8Level_Version2 = 4; // 0x4
     field public static final int VP8Level_Version3 = 8; // 0x8
     field public static final int VP8ProfileMain = 1; // 0x1
+    field public static final int VP9Level1 = 0; // 0x0
+    field public static final int VP9Level11 = 1; // 0x1
+    field public static final int VP9Level2 = 2; // 0x2
+    field public static final int VP9Level21 = 4; // 0x4
+    field public static final int VP9Level3 = 8; // 0x8
+    field public static final int VP9Level31 = 16; // 0x10
+    field public static final int VP9Level4 = 32; // 0x20
+    field public static final int VP9Level41 = 64; // 0x40
+    field public static final int VP9Level5 = 128; // 0x80
+    field public static final int VP9Level51 = 256; // 0x100
+    field public static final int VP9Level52 = 512; // 0x200
+    field public static final int VP9Level6 = 1024; // 0x400
+    field public static final int VP9Level61 = 2048; // 0x800
+    field public static final int VP9Level62 = 4096; // 0x1000
+    field public static final int VP9Profile0 = 0; // 0x0
+    field public static final int VP9Profile1 = 1; // 0x1
+    field public static final int VP9Profile2 = 2; // 0x2
+    field public static final int VP9Profile3 = 3; // 0x3
     field public int level;
     field public int profile;
   }
@@ -20479,6 +20500,7 @@
     field public static final java.lang.String KEY_FLAC_COMPRESSION_LEVEL = "flac-compression-level";
     field public static final java.lang.String KEY_FRAME_RATE = "frame-rate";
     field public static final java.lang.String KEY_HEIGHT = "height";
+    field public static final java.lang.String KEY_INTRA_REFRESH_PERIOD = "intra-refresh-period";
     field public static final java.lang.String KEY_IS_ADTS = "is-adts";
     field public static final java.lang.String KEY_IS_AUTOSELECT = "is-autoselect";
     field public static final java.lang.String KEY_IS_DEFAULT = "is-default";
@@ -20800,9 +20822,11 @@
     method public static final int getAudioSourceMax();
     method public int getMaxAmplitude() throws java.lang.IllegalStateException;
     method public android.view.Surface getSurface();
+    method public void pause() throws java.lang.IllegalStateException;
     method public void prepare() throws java.io.IOException, java.lang.IllegalStateException;
     method public void release();
     method public void reset();
+    method public void resume() throws java.lang.IllegalStateException;
     method public void setAudioChannels(int);
     method public void setAudioEncoder(int) throws java.lang.IllegalStateException;
     method public void setAudioEncodingBitRate(int);
@@ -28557,6 +28581,7 @@
     field public static final int RELEASE_FLAG_WAIT_FOR_NO_PROXIMITY = 1; // 0x1
     field public static final deprecated int SCREEN_BRIGHT_WAKE_LOCK = 10; // 0xa
     field public static final deprecated int SCREEN_DIM_WAKE_LOCK = 6; // 0x6
+    field public static final int SUSTAINED_PERFORMANCE_WAKE_LOCK = 256; // 0x100
   }
 
   public final class PowerManager.WakeLock {
@@ -32292,6 +32317,7 @@
   public class VoicemailContract {
     field public static final java.lang.String ACTION_FETCH_VOICEMAIL = "android.intent.action.FETCH_VOICEMAIL";
     field public static final java.lang.String ACTION_NEW_VOICEMAIL = "android.intent.action.NEW_VOICEMAIL";
+    field public static final java.lang.String ACTION_SYNC_VOICEMAIL = "android.intent.action.SYNC_VOICEMAIL";
     field public static final java.lang.String AUTHORITY = "com.android.voicemail";
     field public static final java.lang.String EXTRA_SELF_CHANGE = "com.android.voicemail.extra.SELF_CHANGE";
     field public static final java.lang.String PARAM_KEY_SOURCE_PACKAGE = "source_package";
@@ -32306,8 +32332,13 @@
     field public static final int CONFIGURATION_STATE_OK = 0; // 0x0
     field public static final android.net.Uri CONTENT_URI;
     field public static final java.lang.String DATA_CHANNEL_STATE = "data_channel_state";
+    field public static final int DATA_CHANNEL_STATE_BAD_CONFIGURATION = 3; // 0x3
+    field public static final int DATA_CHANNEL_STATE_COMMUNICATION_ERROR = 4; // 0x4
     field public static final int DATA_CHANNEL_STATE_NO_CONNECTION = 1; // 0x1
+    field public static final int DATA_CHANNEL_STATE_NO_CONNECTION_CELLULAR_REQUIRED = 2; // 0x2
     field public static final int DATA_CHANNEL_STATE_OK = 0; // 0x0
+    field public static final int DATA_CHANNEL_STATE_SERVER_CONNECTION_ERROR = 6; // 0x6
+    field public static final int DATA_CHANNEL_STATE_SERVER_ERROR = 5; // 0x5
     field public static final java.lang.String DIR_TYPE = "vnd.android.cursor.dir/voicemail.source.status";
     field public static final java.lang.String ITEM_TYPE = "vnd.android.cursor.item/voicemail.source.status";
     field public static final java.lang.String NOTIFICATION_CHANNEL_STATE = "notification_channel_state";
@@ -33947,6 +33978,7 @@
     field public static final int REASON_LISTENER_CANCEL_ALL = 11; // 0xb
     field public static final int REASON_PACKAGE_BANNED = 7; // 0x7
     field public static final int REASON_PACKAGE_CHANGED = 5; // 0x5
+    field public static final int REASON_PACKAGE_SUSPENDED = 15; // 0xf
     field public static final int REASON_TOPIC_BANNED = 14; // 0xe
     field public static final int REASON_USER_STOPPED = 6; // 0x6
     field public static final java.lang.String SERVICE_INTERFACE = "android.service.notification.NotificationAssistantService";
@@ -35362,6 +35394,30 @@
     field public static final int ROUTE_WIRED_OR_EARPIECE = 5; // 0x5
   }
 
+  public abstract class CallScreeningService extends android.app.Service {
+    ctor public CallScreeningService();
+    method public android.os.IBinder onBind(android.content.Intent);
+    method public abstract void onScreenCall(android.telecom.Call.Details);
+    method public final void respondToCall(android.telecom.Call.Details, android.telecom.CallScreeningService.CallResponse);
+    field public static final java.lang.String SERVICE_INTERFACE = "android.telecom.CallScreeningService";
+  }
+
+  public class CallScreeningService.CallResponse {
+    method public boolean getDisallowCall();
+    method public boolean getRejectCall();
+    method public boolean getSkipCallLog();
+    method public boolean getSkipNotification();
+  }
+
+  public class CallScreeningService.CallResponse.Builder {
+    ctor public CallScreeningService.CallResponse.Builder();
+    method public android.telecom.CallScreeningService.CallResponse build();
+    method public android.telecom.CallScreeningService.CallResponse.Builder setDisallowCall(boolean);
+    method public android.telecom.CallScreeningService.CallResponse.Builder setRejectCall(boolean);
+    method public android.telecom.CallScreeningService.CallResponse.Builder setSkipCallLog(boolean);
+    method public android.telecom.CallScreeningService.CallResponse.Builder setSkipNotification(boolean);
+  }
+
   public abstract class Conference extends android.telecom.Conferenceable {
     ctor public Conference(android.telecom.PhoneAccountHandle);
     method public final boolean addConnection(android.telecom.Connection);
@@ -35601,6 +35657,7 @@
     method public void onCallAudioStateChanged(android.telecom.CallAudioState);
     method public void onCallRemoved(android.telecom.Call);
     method public void onCanAddCallChanged(boolean);
+    method public void onSilenceRinger();
     method public final void setAudioRoute(int);
     method public final void setMuted(boolean);
     field public static final java.lang.String SERVICE_INTERFACE = "android.telecom.InCallService";
@@ -35861,6 +35918,7 @@
     field public static final java.lang.String EXTRA_START_CALL_WITH_VIDEO_STATE = "android.telecom.extra.START_CALL_WITH_VIDEO_STATE";
     field public static final java.lang.String GATEWAY_ORIGINAL_ADDRESS = "android.telecom.extra.GATEWAY_ORIGINAL_ADDRESS";
     field public static final java.lang.String GATEWAY_PROVIDER_PACKAGE = "android.telecom.extra.GATEWAY_PROVIDER_PACKAGE";
+    field public static final java.lang.String METADATA_IN_CALL_SERVICE_RINGING = "android.telecom.IN_CALL_SERVICE_RINGING";
     field public static final java.lang.String METADATA_IN_CALL_SERVICE_UI = "android.telecom.IN_CALL_SERVICE_UI";
     field public static final int PRESENTATION_ALLOWED = 1; // 0x1
     field public static final int PRESENTATION_PAYPHONE = 4; // 0x4
@@ -36012,6 +36070,7 @@
     field public static final java.lang.String KEY_VVM_CELLULAR_DATA_REQUIRED_BOOLEAN = "vvm_cellular_data_required";
     field public static final java.lang.String KEY_VVM_DESTINATION_NUMBER_STRING = "vvm_destination_number_string";
     field public static final java.lang.String KEY_VVM_PORT_NUMBER_INT = "vvm_port_number_int";
+    field public static final java.lang.String KEY_VVM_PREFETCH_BOOLEAN = "vvm_prefetch";
     field public static final java.lang.String KEY_VVM_TYPE_STRING = "vvm_type_string";
     field public static final java.lang.String KEY_WORLD_PHONE_BOOL = "world_phone_bool";
   }
@@ -36029,6 +36088,8 @@
 
   public final class CellIdentityGsm implements android.os.Parcelable {
     method public int describeContents();
+    method public int getArfcn();
+    method public int getBsic();
     method public int getCid();
     method public int getLac();
     method public int getMcc();
@@ -36041,6 +36102,7 @@
   public final class CellIdentityLte implements android.os.Parcelable {
     method public int describeContents();
     method public int getCi();
+    method public int getEarfcn();
     method public int getMcc();
     method public int getMnc();
     method public int getPci();
@@ -36056,6 +36118,7 @@
     method public int getMcc();
     method public int getMnc();
     method public int getPsc();
+    method public int getUarfcn();
     method public void writeToParcel(android.os.Parcel, int);
     field public static final android.os.Parcelable.Creator<android.telephony.CellIdentityWcdma> CREATOR;
   }
diff --git a/core/java/android/app/Activity.java b/core/java/android/app/Activity.java
index e36a427..11154f2 100644
--- a/core/java/android/app/Activity.java
+++ b/core/java/android/app/Activity.java
@@ -2313,7 +2313,7 @@
      * <p>In order to use a Toolbar within the Activity's window content the application
      * must not request the window feature {@link Window#FEATURE_ACTION_BAR FEATURE_ACTION_BAR}.</p>
      *
-     * @param toolbar Toolbar to set as the Activity's action bar
+     * @param toolbar Toolbar to set as the Activity's action bar, or {@code null} to clear it
      */
     public void setActionBar(@Nullable Toolbar toolbar) {
         final ActionBar ab = getActionBar();
@@ -2332,10 +2332,17 @@
             ab.onDestroy();
         }
 
-        ToolbarActionBar tbab = new ToolbarActionBar(toolbar, getTitle(), this);
-        mActionBar = tbab;
-        mWindow.setCallback(tbab.getWrappedWindowCallback());
-        mActionBar.invalidateOptionsMenu();
+        if (toolbar != null) {
+            final ToolbarActionBar tbab = new ToolbarActionBar(toolbar, getTitle(), this);
+            mActionBar = tbab;
+            mWindow.setCallback(tbab.getWrappedWindowCallback());
+        } else {
+            mActionBar = null;
+            // Re-set the original window callback since we may have already set a Toolbar wrapper
+            mWindow.setCallback(this);
+        }
+
+        invalidateOptionsMenu();
     }
 
     /**
diff --git a/core/java/android/app/SystemServiceRegistry.java b/core/java/android/app/SystemServiceRegistry.java
index fc1a355..5eed781 100644
--- a/core/java/android/app/SystemServiceRegistry.java
+++ b/core/java/android/app/SystemServiceRegistry.java
@@ -17,6 +17,7 @@
 package android.app;
 
 import com.android.internal.app.IAppOpsService;
+import com.android.internal.app.ISoundTriggerService;
 import com.android.internal.appwidget.IAppWidgetService;
 import com.android.internal.os.IDropBoxManagerService;
 
@@ -61,6 +62,7 @@
 import android.media.midi.MidiManager;
 import android.media.projection.MediaProjectionManager;
 import android.media.session.MediaSessionManager;
+import android.media.soundtrigger.SoundTriggerManager;
 import android.media.tv.ITvInputManager;
 import android.media.tv.TvInputManager;
 import android.net.ConnectivityManager;
@@ -708,12 +710,22 @@
             public RadioManager createService(ContextImpl ctx) {
                 return new RadioManager(ctx);
             }});
+
         registerService(Context.HARDWARE_PROPERTIES_SERVICE, HardwarePropertiesManager.class,
                 new CachedServiceFetcher<HardwarePropertiesManager>() {
             @Override
             public HardwarePropertiesManager createService(ContextImpl ctx) {
                 return new HardwarePropertiesManager();
             }});
+
+        registerService(Context.SOUND_TRIGGER_SERVICE, SoundTriggerManager.class,
+                new CachedServiceFetcher<SoundTriggerManager>() {
+            @Override
+            public SoundTriggerManager createService(ContextImpl ctx) {
+                IBinder b = ServiceManager.getService(Context.SOUND_TRIGGER_SERVICE);
+                Log.i(TAG, "Creating new instance of SoundTriggerManager object.");
+                return new SoundTriggerManager(ctx, ISoundTriggerService.Stub.asInterface(b));
+            }});
     }
 
     /**
diff --git a/core/java/android/app/admin/DevicePolicyManager.java b/core/java/android/app/admin/DevicePolicyManager.java
index 1c1526f..768da6a 100644
--- a/core/java/android/app/admin/DevicePolicyManager.java
+++ b/core/java/android/app/admin/DevicePolicyManager.java
@@ -2770,6 +2770,45 @@
     }
 
     /**
+     * Called by a device owner to set whether all users created on the device should be ephemeral.
+     *
+     * <p>The system user is exempt from this policy - it is never ephemeral.
+     *
+     * <p>The calling device admin must be the device owner. If it is not, a security exception will
+     * be thrown.
+     *
+     * @param admin Which {@link DeviceAdminReceiver} this request is associated with.
+     * @param forceEphemeralUsers If true, all the existing users will be deleted and all
+     *         subsequently created users will be ephemeral.
+     * @hide
+     */
+    public void setForceEphemeralUsers(
+            @NonNull ComponentName admin, boolean forceEphemeralUsers) {
+        if (mService != null) {
+            try {
+                mService.setForceEphemeralUsers(admin, forceEphemeralUsers);
+            } catch (RemoteException e) {
+                Log.w(TAG, REMOTE_EXCEPTION_MESSAGE, e);
+            }
+        }
+    }
+
+    /**
+     * @return true if all users are created ephemeral.
+     * @hide
+     */
+    public boolean getForceEphemeralUsers(@NonNull ComponentName admin) {
+        if (mService != null) {
+            try {
+                return mService.getForceEphemeralUsers(admin);
+            } catch (RemoteException e) {
+                Log.w(TAG, REMOTE_EXCEPTION_MESSAGE, e);
+            }
+        }
+        return false;
+    }
+
+    /**
      * Called by an application that is administering the device to disable keyguard customizations,
      * such as widgets. After setting this, keyguard features will be disabled according to the
      * provided feature list.
diff --git a/core/java/android/app/admin/IDevicePolicyManager.aidl b/core/java/android/app/admin/IDevicePolicyManager.aidl
index a80ed9b..20d4a29 100644
--- a/core/java/android/app/admin/IDevicePolicyManager.aidl
+++ b/core/java/android/app/admin/IDevicePolicyManager.aidl
@@ -230,6 +230,9 @@
     void setAutoTimeRequired(in ComponentName who, boolean required);
     boolean getAutoTimeRequired();
 
+    void setForceEphemeralUsers(in ComponentName who, boolean forceEpehemeralUsers);
+    boolean getForceEphemeralUsers(in ComponentName who);
+
     boolean isRemovingAdmin(in ComponentName adminReceiver, int userHandle);
 
     void setUserIcon(in ComponentName admin, in Bitmap icon);
diff --git a/core/java/android/bluetooth/IBluetoothGatt.aidl b/core/java/android/bluetooth/IBluetoothGatt.aidl
index 3660be7..6b5f77f 100644
--- a/core/java/android/bluetooth/IBluetoothGatt.aidl
+++ b/core/java/android/bluetooth/IBluetoothGatt.aidl
@@ -23,6 +23,7 @@
 import android.bluetooth.le.ScanSettings;
 import android.bluetooth.le.ResultStorageDescriptor;
 import android.os.ParcelUuid;
+import android.os.WorkSource;
 
 import android.bluetooth.IBluetoothGattCallback;
 import android.bluetooth.IBluetoothGattServerCallback;
@@ -35,8 +36,8 @@
     List<BluetoothDevice> getDevicesMatchingConnectionStates(in int[] states);
 
     void startScan(in int appIf, in boolean isServer, in ScanSettings settings,
-                   in List<ScanFilter> filters,
-                   in List scanStorages, in String callingPackage);
+                   in List<ScanFilter> filters, in WorkSource workSource, in List scanStorages,
+                   in String callingPackage);
     void stopScan(in int appIf, in boolean isServer);
     void flushPendingBatchResults(in int appIf, in boolean isServer);
     void startMultiAdvertising(in int appIf,
diff --git a/core/java/android/bluetooth/le/BluetoothLeScanner.java b/core/java/android/bluetooth/le/BluetoothLeScanner.java
index 2ba87744..03449cc 100644
--- a/core/java/android/bluetooth/le/BluetoothLeScanner.java
+++ b/core/java/android/bluetooth/le/BluetoothLeScanner.java
@@ -29,6 +29,7 @@
 import android.os.Looper;
 import android.os.ParcelUuid;
 import android.os.RemoteException;
+import android.os.WorkSource;
 import android.util.Log;
 
 import java.util.ArrayList;
@@ -89,9 +90,6 @@
      */
     @RequiresPermission(Manifest.permission.BLUETOOTH_ADMIN)
     public void startScan(final ScanCallback callback) {
-        if (callback == null) {
-            throw new IllegalArgumentException("callback is null");
-        }
         startScan(null, new ScanSettings.Builder().build(), callback);
     }
 
@@ -112,14 +110,53 @@
     @RequiresPermission(Manifest.permission.BLUETOOTH_ADMIN)
     public void startScan(List<ScanFilter> filters, ScanSettings settings,
             final ScanCallback callback) {
-        startScan(filters, settings, callback, null);
+        startScan(filters, settings, null, callback, null);
+    }
+
+    /**
+     * Start Bluetooth LE scan. Same as {@link #startScan(ScanCallback)} but allows the caller to
+     * specify on behalf of which application(s) the work is being done.
+     *
+     * @param workSource {@link WorkSource} identifying the application(s) for which to blame for
+     *                   the scan.
+     * @param callback Callback used to deliver scan results.
+     * @hide
+     */
+    @SystemApi
+    @RequiresPermission(allOf = {
+            Manifest.permission.BLUETOOTH_ADMIN, Manifest.permission.UPDATE_DEVICE_STATS })
+    public void startScanFromSource(final WorkSource workSource, final ScanCallback callback) {
+        startScanFromSource(null, new ScanSettings.Builder().build(), workSource, callback);
+    }
+
+    /**
+     * Start Bluetooth LE scan. Same as {@link #startScan(List, ScanSettings, ScanCallback)} but
+     * allows the caller to specify on behalf of which application(s) the work is being done.
+     *
+     * @param filters {@link ScanFilter}s for finding exact BLE devices.
+     * @param settings Settings for the scan.
+     * @param workSource {@link WorkSource} identifying the application(s) for which to blame for
+     *                   the scan.
+     * @param callback Callback used to deliver scan results.
+     * @hide
+     */
+    @SystemApi
+    @RequiresPermission(allOf = {
+            Manifest.permission.BLUETOOTH_ADMIN, Manifest.permission.UPDATE_DEVICE_STATS })
+    public void startScanFromSource(List<ScanFilter> filters, ScanSettings settings,
+                                    final WorkSource workSource, final ScanCallback callback) {
+        startScan(filters, settings, workSource, callback, null);
     }
 
     private void startScan(List<ScanFilter> filters, ScanSettings settings,
-            final ScanCallback callback, List<List<ResultStorageDescriptor>> resultStorages) {
+                           final WorkSource workSource, final ScanCallback callback,
+                           List<List<ResultStorageDescriptor>> resultStorages) {
         BluetoothLeUtils.checkAdapterStateOn(mBluetoothAdapter);
-        if (settings == null || callback == null) {
-            throw new IllegalArgumentException("settings or callback is null");
+        if (callback == null) {
+            throw new IllegalArgumentException("callback is null");
+        }
+        if (settings == null) {
+            throw new IllegalArgumentException("settings is null");
         }
         synchronized (mLeScanClients) {
             if (mLeScanClients.containsKey(callback)) {
@@ -152,7 +189,7 @@
                 return;
             }
             BleScanCallbackWrapper wrapper = new BleScanCallbackWrapper(gatt, filters,
-                    settings, callback, resultStorages);
+                    settings, workSource, callback, resultStorages);
             wrapper.startRegisteration();
         }
     }
@@ -215,7 +252,7 @@
             scanFilters.add(filter.getFilter());
             scanStorages.add(filter.getStorageDescriptors());
         }
-        startScan(scanFilters, settings, callback, scanStorages);
+        startScan(scanFilters, settings, null, callback, scanStorages);
     }
 
     /**
@@ -235,6 +272,7 @@
 
         private final ScanCallback mScanCallback;
         private final List<ScanFilter> mFilters;
+        private final WorkSource mWorkSource;
         private ScanSettings mSettings;
         private IBluetoothGatt mBluetoothGatt;
         private List<List<ResultStorageDescriptor>> mResultStorages;
@@ -246,10 +284,12 @@
 
         public BleScanCallbackWrapper(IBluetoothGatt bluetoothGatt,
                 List<ScanFilter> filters, ScanSettings settings,
-                ScanCallback scanCallback, List<List<ResultStorageDescriptor>> resultStorages) {
+                WorkSource workSource, ScanCallback scanCallback,
+                List<List<ResultStorageDescriptor>> resultStorages) {
             mBluetoothGatt = bluetoothGatt;
             mFilters = filters;
             mSettings = settings;
+            mWorkSource = workSource;
             mScanCallback = scanCallback;
             mClientIf = 0;
             mResultStorages = resultStorages;
@@ -322,7 +362,9 @@
                     mClientIf = clientIf;
                     try {
                         mBluetoothGatt.startScan(mClientIf, false, mSettings, mFilters,
-                                mResultStorages, ActivityThread.currentOpPackageName());
+                                mWorkSource, mResultStorages,
+                                ActivityThread.currentOpPackageName());
+
                     } catch (RemoteException e) {
                         Log.e(TAG, "fail to start le scan: " + e);
                         mClientIf = -1;
diff --git a/core/java/android/content/Context.java b/core/java/android/content/Context.java
index 27cdd50..3142b40 100644
--- a/core/java/android/content/Context.java
+++ b/core/java/android/content/Context.java
@@ -2613,6 +2613,7 @@
             MIDI_SERVICE,
             RADIO_SERVICE,
             HARDWARE_PROPERTIES_SERVICE,
+            //@hide: SOUND_TRIGGER_SERVICE,
     })
     @Retention(RetentionPolicy.SOURCE)
     public @interface ServiceName {}
@@ -3195,6 +3196,16 @@
     public static final String VOICE_INTERACTION_MANAGER_SERVICE = "voiceinteraction";
 
     /**
+     * Use with {@link #getSystemService} to access the
+     * {@link com.android.server.voiceinteraction.SoundTriggerService}.
+     *
+     * @hide
+     * @see #getSystemService
+     */
+    public static final String SOUND_TRIGGER_SERVICE = "soundtrigger";
+
+
+    /**
      * Use with {@link #getSystemService} to retrieve an
      * {@link android.app.backup.IBackupManager IBackupManager} for communicating
      * with the backup mechanism.
diff --git a/core/java/android/hardware/soundtrigger/IRecognitionStatusCallback.aidl b/core/java/android/hardware/soundtrigger/IRecognitionStatusCallback.aidl
index 2f6dbe7..597efa5 100644
--- a/core/java/android/hardware/soundtrigger/IRecognitionStatusCallback.aidl
+++ b/core/java/android/hardware/soundtrigger/IRecognitionStatusCallback.aidl
@@ -25,9 +25,12 @@
     /**
      * Called when the keyphrase is spoken.
      *
-     * @param data Optional trigger audio data, if it was requested and is available.
+     * @param recognitionEvent Object containing data relating to the
+     *                         recognition event such as trigger audio data, if it was requested
+     *                         and is available.
      */
-    void onDetected(in SoundTrigger.KeyphraseRecognitionEvent recognitionEvent);
+    void onDetected(in SoundTrigger.RecognitionEvent recognitionEvent);
+
     /**
      * Called when the detection fails due to an error.
      *
@@ -42,4 +45,4 @@
      * Called when the recognition is resumed after it was temporarily paused.
      */
     void onRecognitionResumed();
-}
\ No newline at end of file
+}
diff --git a/core/java/android/hardware/soundtrigger/SoundTrigger.aidl b/core/java/android/hardware/soundtrigger/SoundTrigger.aidl
index e16ea71..fec64ea 100644
--- a/core/java/android/hardware/soundtrigger/SoundTrigger.aidl
+++ b/core/java/android/hardware/soundtrigger/SoundTrigger.aidl
@@ -18,8 +18,11 @@
 
 parcelable SoundTrigger.ConfidenceLevel;
 parcelable SoundTrigger.Keyphrase;
+parcelable SoundTrigger.RecognitionEvent;
 parcelable SoundTrigger.KeyphraseRecognitionEvent;
+parcelable SoundTrigger.GenericSoundRecognitionEvent;
 parcelable SoundTrigger.KeyphraseRecognitionExtra;
 parcelable SoundTrigger.KeyphraseSoundModel;
+parcelable SoundTrigger.GenericSoundModel;
 parcelable SoundTrigger.ModuleProperties;
 parcelable SoundTrigger.RecognitionConfig;
diff --git a/core/java/android/hardware/soundtrigger/SoundTrigger.java b/core/java/android/hardware/soundtrigger/SoundTrigger.java
index d490409..882908a 100644
--- a/core/java/android/hardware/soundtrigger/SoundTrigger.java
+++ b/core/java/android/hardware/soundtrigger/SoundTrigger.java
@@ -195,6 +195,12 @@
         /** Keyphrase sound model */
         public static final int TYPE_KEYPHRASE = 0;
 
+        /**
+         * A generic sound model. Use this type only for non-keyphrase sound models such as
+         * ones that match a particular sound pattern.
+         */
+        public static final int TYPE_GENERIC_SOUND = 1;
+
         /** Unique sound model identifier */
         public final UUID uuid;
 
@@ -458,6 +464,63 @@
         }
     }
 
+
+    /*****************************************************************************
+     * A GenericSoundModel is a specialized {@link SoundModel} for non-voice sound
+     * patterns.
+     ****************************************************************************/
+    public static class GenericSoundModel extends SoundModel implements Parcelable {
+
+        public static final Parcelable.Creator<GenericSoundModel> CREATOR
+                = new Parcelable.Creator<GenericSoundModel>() {
+            public GenericSoundModel createFromParcel(Parcel in) {
+                return GenericSoundModel.fromParcel(in);
+            }
+
+            public GenericSoundModel[] newArray(int size) {
+                return new GenericSoundModel[size];
+            }
+        };
+
+        public GenericSoundModel(UUID uuid, UUID vendorUuid, byte[] data) {
+            super(uuid, vendorUuid, TYPE_GENERIC_SOUND, data);
+        }
+
+        @Override
+        public int describeContents() {
+            return 0;
+        }
+
+        private static GenericSoundModel fromParcel(Parcel in) {
+            UUID uuid = UUID.fromString(in.readString());
+            UUID vendorUuid = null;
+            int length = in.readInt();
+            if (length >= 0) {
+                vendorUuid = UUID.fromString(in.readString());
+            }
+            byte[] data = in.readBlob();
+            return new GenericSoundModel(uuid, vendorUuid, data);
+        }
+
+        @Override
+        public void writeToParcel(Parcel dest, int flags) {
+            dest.writeString(uuid.toString());
+            if (vendorUuid == null) {
+                dest.writeInt(-1);
+            } else {
+                dest.writeInt(vendorUuid.toString().length());
+                dest.writeString(vendorUuid.toString());
+            }
+            dest.writeBlob(data);
+        }
+
+        @Override
+        public String toString() {
+            return "GenericSoundModel [uuid=" + uuid + ", vendorUuid=" + vendorUuid
+                    + ", type=" + type + ", data=" + (data == null ? 0 : data.length) + "]";
+        }
+    }
+
     /**
      *  Modes for key phrase recognition
      */
@@ -1019,6 +1082,21 @@
     }
 
     /**
+     * Sub-class of RecognitionEvent specifically for sound-trigger based sound
+     * models(non-keyphrase). Currently does not contain any additional fields.
+     */
+    public static class GenericRecognitionEvent extends RecognitionEvent {
+        public GenericRecognitionEvent(int status, int soundModelHandle,
+                boolean captureAvailable, int captureSession, int captureDelayMs,
+                int capturePreambleMs, boolean triggerInData, AudioFormat captureFormat,
+                byte[] data) {
+            super(status, soundModelHandle, captureAvailable, captureSession,
+                    captureDelayMs, capturePreambleMs, triggerInData, captureFormat,
+                    data);
+        }
+    }
+
+    /**
      *  Status codes for {@link SoundModelEvent}
      */
     /** Sound Model was updated */
@@ -1118,7 +1196,7 @@
     public static final int SERVICE_STATE_DISABLED = 1;
 
     /**
-     * Returns a list of descriptors for all harware modules loaded.
+     * Returns a list of descriptors for all hardware modules loaded.
      * @param modules A ModuleProperties array where the list will be returned.
      * @return - {@link #STATUS_OK} in case of success
      *         - {@link #STATUS_ERROR} in case of unspecified error
diff --git a/core/java/android/os/Environment.java b/core/java/android/os/Environment.java
index ba215bb..c776ef8 100644
--- a/core/java/android/os/Environment.java
+++ b/core/java/android/os/Environment.java
@@ -402,7 +402,7 @@
      * type.
      */
     public static String DIRECTORY_PODCASTS = "Podcasts";
-    
+
     /**
      * Standard directory in which to place any audio files that should be
      * in the list of ringtones that the user can select (not as regular
@@ -414,7 +414,7 @@
      * type.
      */
     public static String DIRECTORY_RINGTONES = "Ringtones";
-    
+
     /**
      * Standard directory in which to place any audio files that should be
      * in the list of alarms that the user can select (not as regular
@@ -426,7 +426,7 @@
      * type.
      */
     public static String DIRECTORY_ALARMS = "Alarms";
-    
+
     /**
      * Standard directory in which to place any audio files that should be
      * in the list of notifications that the user can select (not as regular
@@ -438,7 +438,7 @@
      * type.
      */
     public static String DIRECTORY_NOTIFICATIONS = "Notifications";
-    
+
     /**
      * Standard directory in which to place pictures that are available to
      * the user.  Note that this is primarily a convention for the top-level
@@ -446,7 +446,7 @@
      * in any directory.
      */
     public static String DIRECTORY_PICTURES = "Pictures";
-    
+
     /**
      * Standard directory in which to place movies that are available to
      * the user.  Note that this is primarily a convention for the top-level
@@ -454,7 +454,7 @@
      * in any directory.
      */
     public static String DIRECTORY_MOVIES = "Movies";
-    
+
     /**
      * Standard directory in which to place files that have been downloaded by
      * the user.  Note that this is primarily a convention for the top-level
@@ -464,7 +464,7 @@
      * backwards compatibility reasons.
      */
     public static String DIRECTORY_DOWNLOADS = "Download";
-    
+
     /**
      * The traditional location for pictures and videos when mounting the
      * device as a camera.  Note that this is primarily a convention for the
@@ -496,7 +496,7 @@
      * </ul>
      * @hide
      */
-    public static final String[] STANDARD_DIRECTORIES = {
+    private static final String[] STANDARD_DIRECTORIES = {
             DIRECTORY_MUSIC,
             DIRECTORY_PODCASTS,
             DIRECTORY_RINGTONES,
@@ -510,6 +510,18 @@
     };
 
     /**
+     * @hide
+     */
+    public static boolean isStandardDirectory(String dir) {
+        for (String valid : STANDARD_DIRECTORIES) {
+            if (valid.equals(dir)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    /**
      * Get a top-level shared/external storage directory for placing files of a
      * particular type. This is where the user will typically place and manage
      * their own files, so you should be careful about what you put here to
@@ -559,7 +571,7 @@
         throwIfUserRequired();
         return sCurrentUser.buildExternalStorageAppDataDirs(packageName);
     }
-    
+
     /**
      * Generates the raw path to an application's media
      * @hide
@@ -568,7 +580,7 @@
         throwIfUserRequired();
         return sCurrentUser.buildExternalStorageAppMediaDirs(packageName);
     }
-    
+
     /**
      * Generates the raw path to an application's OBB files
      * @hide
@@ -577,7 +589,7 @@
         throwIfUserRequired();
         return sCurrentUser.buildExternalStorageAppObbDirs(packageName);
     }
-    
+
     /**
      * Generates the path to an application's files.
      * @hide
@@ -595,7 +607,7 @@
         throwIfUserRequired();
         return sCurrentUser.buildExternalStorageAppCacheDirs(packageName);
     }
-    
+
     /**
      * Return the download/cache content directory.
      */
diff --git a/core/java/android/os/PowerManager.java b/core/java/android/os/PowerManager.java
index 4159d89..314b7d5 100644
--- a/core/java/android/os/PowerManager.java
+++ b/core/java/android/os/PowerManager.java
@@ -219,6 +219,15 @@
     public static final int DRAW_WAKE_LOCK = 0x00000080;
 
     /**
+     * Wake lock level: Enables Sustained Performance Mode.
+     * <p>
+     * This is used by Gaming and VR applications to ensure the device provides
+     * will provide consistent performance over a large amount of time.
+     * </p>
+     */
+    public static final int SUSTAINED_PERFORMANCE_WAKE_LOCK = 0x00000100;
+
+    /**
      * Mask for the wake lock level component of a combined wake lock level and flags integer.
      *
      * @hide
@@ -525,6 +534,7 @@
             case PROXIMITY_SCREEN_OFF_WAKE_LOCK:
             case DOZE_WAKE_LOCK:
             case DRAW_WAKE_LOCK:
+            case SUSTAINED_PERFORMANCE_WAKE_LOCK:
                 break;
             default:
                 throw new IllegalArgumentException("Must specify a valid wake lock level.");
diff --git a/core/java/android/os/UserManagerInternal.java b/core/java/android/os/UserManagerInternal.java
index f765336..58a0269 100644
--- a/core/java/android/os/UserManagerInternal.java
+++ b/core/java/android/os/UserManagerInternal.java
@@ -91,4 +91,19 @@
      * the icon is in this method.
      */
     public abstract void setUserIcon(int userId, Bitmap bitmap);
+
+    /**
+     * Called by {@link com.android.server.devicepolicy.DevicePolicyManagerService} to inform the
+     * user manager whether all users should be created ephemeral.
+     */
+    public abstract void setForceEphemeralUsers(boolean forceEphemeralUsers);
+
+    /**
+     * Switches to the system user and deletes all other users.
+     *
+     * <p>Called by the {@link com.android.server.devicepolicy.DevicePolicyManagerService} when
+     * the force-ephemeral-users policy is toggled on to make sure there are no pre-existing
+     * non-ephemeral users left.
+     */
+    public abstract void removeAllUsers();
 }
diff --git a/core/java/android/provider/Settings.java b/core/java/android/provider/Settings.java
index a9fd3c8..bc0d7d6 100755
--- a/core/java/android/provider/Settings.java
+++ b/core/java/android/provider/Settings.java
@@ -5073,6 +5073,14 @@
         public static final String TTS_DEFAULT_SYNTH = "tts_default_synth";
 
         /**
+         * Whether text-to-speech higher speech rate is enabled.
+         * 0 = disabled.
+         * 1 = enabled.
+         * @hide
+         */
+        public static final String TTS_DEFAULT_HIGHER_SPEECH_RATE_ENABLED =
+            "tts_default_higher_speech_rate_enabled";
+        /**
          * Default text-to-speech language.
          *
          * @deprecated this setting is no longer in use, as of the Ice Cream
@@ -5884,6 +5892,7 @@
             ACCESSIBILITY_CAPTIONING_WINDOW_COLOR,
             TTS_USE_DEFAULTS,
             TTS_DEFAULT_RATE,
+            TTS_DEFAULT_HIGHER_SPEECH_RATE_ENABLED,
             TTS_DEFAULT_PITCH,
             TTS_DEFAULT_SYNTH,
             TTS_DEFAULT_LANG,
diff --git a/core/java/android/provider/VoicemailContract.java b/core/java/android/provider/VoicemailContract.java
index 24683cb..8ee9d1e 100644
--- a/core/java/android/provider/VoicemailContract.java
+++ b/core/java/android/provider/VoicemailContract.java
@@ -101,6 +101,12 @@
     public static final String ACTION_FETCH_VOICEMAIL = "android.intent.action.FETCH_VOICEMAIL";
 
     /**
+     * Broadcast intent to request all voicemail sources to perform a sync with the remote server.
+     */
+    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
+    public static final String ACTION_SYNC_VOICEMAIL = "android.intent.action.SYNC_VOICEMAIL";
+
+    /**
      * Extra included in {@link Intent#ACTION_PROVIDER_CHANGED} broadcast intents to indicate if the
      * receiving package made this change.
      */
@@ -393,6 +399,14 @@
          * <P>Type: INTEGER</P>
          */
         public static final String CONFIGURATION_STATE = "configuration_state";
+        /**
+         * Value of {@link #CONFIGURATION_STATE} passed into
+         * {@link #setStatus(Context, PhoneAccountHandle, int, int, int)} to indicate that the
+         * {@link #CONFIGURATION_STATE} field is not to be changed
+         *
+         * @hide
+         */
+        public static final int CONFIGURATION_STATE_IGNORE = -1;
         /** Value of {@link #CONFIGURATION_STATE} to indicate an all OK configuration status. */
         public static final int CONFIGURATION_STATE_OK = 0;
         /**
@@ -418,15 +432,50 @@
          */
         public static final String DATA_CHANNEL_STATE = "data_channel_state";
         /**
+         * Value of {@link #DATA_CHANNEL_STATE} passed into
+         * {@link #setStatus(Context, PhoneAccountHandle, int, int, int)} to indicate that the
+         * {@link #DATA_CHANNEL_STATE} field is not to be changed
+         *
+         * @hide
+         */
+        public static final int DATA_CHANNEL_STATE_IGNORE = -1;
+        /**
          *  Value of {@link #DATA_CHANNEL_STATE} to indicate that data channel is working fine.
          */
         public static final int DATA_CHANNEL_STATE_OK = 0;
         /**
-         * Value of {@link #DATA_CHANNEL_STATE} to indicate that data channel connection is not
-         * working.
+         *  Value of {@link #DATA_CHANNEL_STATE} to indicate that data channel failed to find a
+         *  suitable network to connect to the server.
          */
         public static final int DATA_CHANNEL_STATE_NO_CONNECTION = 1;
         /**
+         *  Value of {@link #DATA_CHANNEL_STATE} to indicate that data channel failed to find a
+         *  suitable network to connect to the server, and the carrier requires using cellular
+         *  data network to connect to the server.
+         */
+        public static final int DATA_CHANNEL_STATE_NO_CONNECTION_CELLULAR_REQUIRED = 2;
+        /**
+         *  Value of {@link #DATA_CHANNEL_STATE} to indicate that data channel received incorrect
+         *  settings or credentials to connect to the server
+         */
+        public static final int DATA_CHANNEL_STATE_BAD_CONFIGURATION = 3;
+        /**
+         *  Value of {@link #DATA_CHANNEL_STATE} to indicate that a error has occurred in the data
+         *  channel while communicating with the server
+         */
+        public static final int DATA_CHANNEL_STATE_COMMUNICATION_ERROR = 4;
+        /**
+         *  Value of {@link #DATA_CHANNEL_STATE} to indicate that the server reported an internal
+         *  error to the data channel.
+         */
+        public static final int DATA_CHANNEL_STATE_SERVER_ERROR = 5;
+        /**
+         *  Value of {@link #DATA_CHANNEL_STATE} to indicate that while there is a suitable network,
+         *  the data channel is unable to establish a connection with the server.
+         */
+        public static final int DATA_CHANNEL_STATE_SERVER_CONNECTION_ERROR = 6;
+
+        /**
          * The notification channel state of the voicemail source. This is the channel through which
          * the source gets notified of new voicemails on the remote server.
          * <P> Possible values:
@@ -438,6 +487,14 @@
          */
         public static final String NOTIFICATION_CHANNEL_STATE = "notification_channel_state";
         /**
+         * Value of {@link #NOTIFICATION_CHANNEL_STATE} passed into
+         * {@link #setStatus(Context, PhoneAccountHandle, int, int, int)} to indicate that the
+         * {@link #NOTIFICATION_CHANNEL_STATE} field is not to be changed
+         *
+         * @hide
+         */
+        public static final int NOTIFICATION_CHANNEL_STATE_IGNORE = -1;
+        /**
          * Value of {@link #NOTIFICATION_CHANNEL_STATE} to indicate that the notification channel is
          * working fine.
          */
@@ -497,21 +554,22 @@
          */
         public static void setStatus(Context context, PhoneAccountHandle accountHandle,
                 int configurationState, int dataChannelState, int notificationChannelState) {
-            ContentResolver contentResolver = context.getContentResolver();
-            Uri statusUri = buildSourceUri(context.getPackageName());
             ContentValues values = new ContentValues();
             values.put(Status.PHONE_ACCOUNT_COMPONENT_NAME,
                     accountHandle.getComponentName().flattenToString());
             values.put(Status.PHONE_ACCOUNT_ID, accountHandle.getId());
-            values.put(Status.CONFIGURATION_STATE, configurationState);
-            values.put(Status.DATA_CHANNEL_STATE, dataChannelState);
-            values.put(Status.NOTIFICATION_CHANNEL_STATE, notificationChannelState);
-
-            if (isStatusPresent(contentResolver, statusUri)) {
-                contentResolver.update(statusUri, values, null, null);
-            } else {
-                contentResolver.insert(statusUri, values);
+            if(configurationState != CONFIGURATION_STATE_IGNORE) {
+                values.put(Status.CONFIGURATION_STATE, configurationState);
             }
+            if(dataChannelState != DATA_CHANNEL_STATE_IGNORE) {
+                values.put(Status.DATA_CHANNEL_STATE, dataChannelState);
+            }
+            if(notificationChannelState != NOTIFICATION_CHANNEL_STATE_IGNORE) {
+                values.put(Status.NOTIFICATION_CHANNEL_STATE, notificationChannelState);
+            }
+            ContentResolver contentResolver = context.getContentResolver();
+            Uri statusUri = buildSourceUri(context.getPackageName());
+            contentResolver.insert(statusUri, values);
         }
 
         /**
@@ -540,28 +598,7 @@
 
             ContentResolver contentResolver = context.getContentResolver();
             Uri statusUri = buildSourceUri(context.getPackageName());
-            if (isStatusPresent(contentResolver, statusUri)) {
-                contentResolver.update(statusUri, values, null, null);
-            } else {
-                contentResolver.insert(statusUri, values);
-            }
-        }
-
-        /**
-         * Determines if a voicemail source exists in the status table.
-         *
-         * @param contentResolver A content resolver constructed from the appropriate context.
-         * @param statusUri The content uri for the source.
-         * @return {@code true} if a status entry for this source exists
-         */
-        private static boolean isStatusPresent(ContentResolver contentResolver, Uri statusUri) {
-            Cursor cursor = null;
-            try {
-                cursor = contentResolver.query(statusUri, null, null, null, null);
-                return cursor != null && cursor.getCount() != 0;
-            } finally {
-                if (cursor != null) cursor.close();
-            }
+            contentResolver.insert(statusUri, values);
         }
     }
 }
diff --git a/core/java/android/service/notification/NotificationAssistantService.java b/core/java/android/service/notification/NotificationAssistantService.java
index 035462d..bd41fb5 100644
--- a/core/java/android/service/notification/NotificationAssistantService.java
+++ b/core/java/android/service/notification/NotificationAssistantService.java
@@ -98,6 +98,9 @@
     /** Notification was canceled by the user banning the topic. */
     public static final int REASON_TOPIC_BANNED = 14;
 
+    /** Notification was canceled by the device administrator suspending the package. */
+    public static final int REASON_PACKAGE_SUSPENDED = 15;
+
     public class Adjustment {
         int mImportance;
         CharSequence mExplanation;
diff --git a/core/java/android/service/voice/AlwaysOnHotwordDetector.java b/core/java/android/service/voice/AlwaysOnHotwordDetector.java
index ac7d539..76a401d 100644
--- a/core/java/android/service/voice/AlwaysOnHotwordDetector.java
+++ b/core/java/android/service/voice/AlwaysOnHotwordDetector.java
@@ -31,6 +31,7 @@
 import android.hardware.soundtrigger.SoundTrigger.KeyphraseSoundModel;
 import android.hardware.soundtrigger.SoundTrigger.ModuleProperties;
 import android.hardware.soundtrigger.SoundTrigger.RecognitionConfig;
+import android.hardware.soundtrigger.SoundTrigger.RecognitionEvent;
 import android.media.AudioFormat;
 import android.os.AsyncTask;
 import android.os.Handler;
@@ -616,7 +617,11 @@
         }
 
         @Override
-        public void onDetected(KeyphraseRecognitionEvent event) {
+        public void onDetected(RecognitionEvent event) {
+            if (! (event instanceof KeyphraseRecognitionEvent)) {
+                Slog.e(TAG, "onDetected() called for a soundtrigger event.");
+                return;
+            }
             if (DBG) {
                 Slog.d(TAG, "onDetected(" + event + ")");
             } else {
diff --git a/core/java/android/text/Html.java b/core/java/android/text/Html.java
index b491710..ed91239c 100644
--- a/core/java/android/text/Html.java
+++ b/core/java/android/text/Html.java
@@ -165,6 +165,11 @@
             | FROM_HTML_SEPARATOR_LINE_BREAK_DIV
             | FROM_HTML_SEPARATOR_LINE_BREAK_BLOCKQUOTE;
 
+    /**
+     * The bit which indicates if lines delimited by '\n' will be grouped into &lt;p&gt; elements.
+     */
+    private static final int TO_HTML_PARAGRAPH_FLAG = 0x00000001;
+
     private Html() { }
 
     /**
@@ -255,7 +260,7 @@
      */
     public static String toHtml(Spanned text, int option) {
         StringBuilder out = new StringBuilder();
-        withinHtml(out, text);
+        withinHtml(out, text, option);
         return out.toString();
     }
 
@@ -268,7 +273,16 @@
         return out.toString();
     }
 
-    private static void withinHtml(StringBuilder out, Spanned text) {
+    private static void withinHtml(StringBuilder out, Spanned text, int option) {
+        if ((option & TO_HTML_PARAGRAPH_FLAG) == TO_HTML_PARAGRAPH_LINES_CONSECUTIVE) {
+            encodeTextAlignmentByDiv(out, text, option);
+            return;
+        }
+
+        withinDiv(out, text, 0, text.length(), option);
+    }
+
+    private static void encodeTextAlignmentByDiv(StringBuilder out, Spanned text, int option) {
         int len = text.length();
 
         int next;
@@ -296,7 +310,7 @@
                 out.append("<div ").append(elements).append(">");
             }
 
-            withinDiv(out, text, i, next);
+            withinDiv(out, text, i, next, option);
 
             if (needDiv) {
                 out.append("</div>");
@@ -304,8 +318,8 @@
         }
     }
 
-    private static void withinDiv(StringBuilder out, Spanned text,
-            int start, int end) {
+    private static void withinDiv(StringBuilder out, Spanned text, int start, int end,
+            int option) {
         int next;
         for (int i = start; i < end; i = next) {
             next = text.nextSpanTransition(i, end, QuoteSpan.class);
@@ -315,7 +329,7 @@
                 out.append("<blockquote>");
             }
 
-            withinBlockquote(out, text, i, next);
+            withinBlockquote(out, text, i, next, option);
 
             for (QuoteSpan quote : quotes) {
                 out.append("</blockquote>\n");
@@ -323,7 +337,7 @@
         }
     }
 
-    private static String getOpenParaTagWithDirection(Spanned text, int start, int end) {
+    private static String getTextDirection(Spanned text, int start, int end) {
         final int len = end - start;
         final byte[] levels = ArrayUtils.newUnpaddedByteArray(len);
         final char[] buffer = TextUtils.obtain(len);
@@ -333,16 +347,101 @@
                 false /* no info */);
         switch(paraDir) {
             case Layout.DIR_RIGHT_TO_LEFT:
-                return "<p dir=\"rtl\">";
+                return " dir=\"rtl\"";
             case Layout.DIR_LEFT_TO_RIGHT:
             default:
-                return "<p dir=\"ltr\">";
+                return " dir=\"ltr\"";
         }
     }
 
-    private static void withinBlockquote(StringBuilder out, Spanned text,
-                                         int start, int end) {
-        out.append(getOpenParaTagWithDirection(text, start, end));
+    private static String getTextStyles(Spanned text, int start, int end) {
+        final StringBuilder style = new StringBuilder(" style=\"margin-top:0; margin-bottom:0;");
+
+        final AlignmentSpan[] alignmentSpans = text.getSpans(start, end, AlignmentSpan.class);
+        final int len = alignmentSpans.length;
+        if (len > 0) {
+            final Layout.Alignment alignment = alignmentSpans[len - 1].getAlignment();
+            if (alignment == Layout.Alignment.ALIGN_NORMAL) {
+                style.append(" text-align:start;");
+            } else if (alignment == Layout.Alignment.ALIGN_CENTER) {
+                style.append(" text-align:center;");
+            } else if (alignment == Layout.Alignment.ALIGN_OPPOSITE) {
+                style.append(" text-align:end;");
+            }
+        }
+
+        style.append("\"");
+        return style.toString();
+    }
+
+    private static void withinBlockquote(StringBuilder out, Spanned text, int start, int end,
+            int option) {
+        if ((option & TO_HTML_PARAGRAPH_FLAG) == TO_HTML_PARAGRAPH_LINES_CONSECUTIVE) {
+            withinBlockquoteConsecutive(out, text, start, end);
+        } else {
+            withinBlockquoteIndividual(out, text, start, end);
+        }
+    }
+
+    private static void withinBlockquoteIndividual(StringBuilder out, Spanned text, int start,
+            int end) {
+        boolean isInList = false;
+        int next;
+        for (int i = start; i <= end; i = next) {
+            next = TextUtils.indexOf(text, '\n', i, end);
+            if (next < 0) {
+                next = end;
+            }
+
+            boolean isListItem = false;
+            ParagraphStyle[] paragraphStyles = text.getSpans(i, next, ParagraphStyle.class);
+            for (ParagraphStyle paragraphStyle : paragraphStyles) {
+                final int spanFlags = text.getSpanFlags(paragraphStyle);
+                if ((spanFlags & Spanned.SPAN_PARAGRAPH) == Spanned.SPAN_PARAGRAPH
+                        && paragraphStyle instanceof BulletSpan) {
+                    isListItem = true;
+                    break;
+                }
+            }
+
+            if (isListItem && !isInList) {
+                // Current paragraph is the first item in a list
+                isInList = true;
+                out.append("<ul>\n");
+            }
+
+            if (isInList && !isListItem) {
+                // Current paragraph is no longer a list item; close the previously opened list
+                isInList = false;
+                out.append("</ul>\n");
+            }
+
+            String tagType = isListItem ? "li" : "p";
+            out.append("<").append(tagType).append(getTextDirection(text, start, next))
+                    .append(getTextStyles(text, start, next)).append(">");
+
+            if (next - i == 0) {
+                out.append("<br>");
+            } else {
+                withinParagraph(out, text, i, next);
+            }
+
+            out.append("</");
+            out.append(tagType);
+            out.append(">\n");
+
+            if (next == end && isInList) {
+                isInList = false;
+                out.append("</ul>\n");
+            }
+
+            next++;
+        }
+    }
+
+    private static void withinBlockquoteConsecutive(StringBuilder out, Spanned text, int start,
+            int end) {
+        out.append("<p").append(getTextDirection(text, start, end)).append(">");
 
         int next;
         for (int i = start; i < end; i = next) {
@@ -358,19 +457,26 @@
                 next++;
             }
 
-            if (withinParagraph(out, text, i, next - nl, nl, next == end)) {
-                /* Paragraph should be closed */
-                out.append("</p>\n");
-                out.append(getOpenParaTagWithDirection(text, next, end));
+            withinParagraph(out, text, i, next - nl);
+
+            if (nl == 1) {
+                out.append("<br>\n");
+            } else {
+                for (int j = 2; j < nl; j++) {
+                    out.append("<br>");
+                }
+                if (next != end) {
+                    /* Paragraph should be closed and reopened */
+                    out.append("</p>\n");
+                    out.append("<p").append(getTextDirection(text, start, end)).append(">");
+                }
             }
         }
 
         out.append("</p>\n");
     }
 
-    /* Returns true if the caller should close and reopen the paragraph. */
-    private static boolean withinParagraph(StringBuilder out, Spanned text, int start, int end,
-            int nl, boolean last) {
+    private static void withinParagraph(StringBuilder out, Spanned text, int start, int end) {
         int next;
         for (int i = start; i < end; i = next) {
             next = text.nextSpanTransition(i, end, CharacterStyle.class);
@@ -494,16 +600,6 @@
                 }
             }
         }
-
-        if (nl == 1) {
-            out.append("<br>\n");
-            return false;
-        } else {
-            for (int i = 2; i < nl; i++) {
-                out.append("<br>");
-            }
-            return !last;
-        }
     }
 
     private static void withinStyle(StringBuilder out, CharSequence text,
diff --git a/core/java/android/widget/AbsListView.java b/core/java/android/widget/AbsListView.java
index 9561f08..df84970 100644
--- a/core/java/android/widget/AbsListView.java
+++ b/core/java/android/widget/AbsListView.java
@@ -1036,6 +1036,7 @@
             mChoiceActionMode = startActionMode(mMultiChoiceModeCallback);
         }
 
+        final boolean itemCheckChanged;
         if (mChoiceMode == CHOICE_MODE_MULTIPLE || mChoiceMode == CHOICE_MODE_MULTIPLE_MODAL) {
             boolean oldValue = mCheckStates.get(position);
             mCheckStates.put(position, value);
@@ -1046,7 +1047,8 @@
                     mCheckedIdStates.delete(mAdapter.getItemId(position));
                 }
             }
-            if (oldValue != value) {
+            itemCheckChanged = oldValue != value;
+            if (itemCheckChanged) {
                 if (value) {
                     mCheckedItemCount++;
                 } else {
@@ -1062,6 +1064,7 @@
             boolean updateIds = mCheckedIdStates != null && mAdapter.hasStableIds();
             // Clear all values if we're checking something, or unchecking the currently
             // selected item
+            itemCheckChanged = isItemChecked(position) != value;
             if (value || isItemChecked(position)) {
                 mCheckStates.clear();
                 if (updateIds) {
@@ -1081,8 +1084,8 @@
             }
         }
 
-        // Do not generate a data change while we are in the layout phase
-        if (!mInLayout && !mBlockLayoutRequests) {
+        // Do not generate a data change while we are in the layout phase or data has not changed
+        if (!mInLayout && !mBlockLayoutRequests && itemCheckChanged) {
             mDataChanged = true;
             rememberSyncState();
             requestLayout();
diff --git a/core/java/com/android/internal/app/ChooserActivity.java b/core/java/com/android/internal/app/ChooserActivity.java
index b7b7400..2733391 100644
--- a/core/java/com/android/internal/app/ChooserActivity.java
+++ b/core/java/com/android/internal/app/ChooserActivity.java
@@ -66,6 +66,7 @@
 import android.widget.ListView;
 import com.android.internal.R;
 import com.android.internal.logging.MetricsLogger;
+import com.android.internal.logging.MetricsProto.MetricsEvent;
 
 import java.util.ArrayList;
 import java.util.Collections;
@@ -209,7 +210,7 @@
         super.onCreate(savedInstanceState, target, title, defaultTitleRes, initialIntents,
                 null, false);
 
-        MetricsLogger.action(this, MetricsLogger.ACTION_ACTIVITY_CHOOSER_SHOWN);
+        MetricsLogger.action(this, MetricsEvent.ACTION_ACTIVITY_CHOOSER_SHOWN);
     }
 
     @Override
@@ -349,14 +350,14 @@
             int value = which;
             switch (mChooserListAdapter.getPositionTargetType(which)) {
                 case ChooserListAdapter.TARGET_CALLER:
-                    cat = MetricsLogger.ACTION_ACTIVITY_CHOOSER_PICKED_APP_TARGET;
+                    cat = MetricsEvent.ACTION_ACTIVITY_CHOOSER_PICKED_APP_TARGET;
                     break;
                 case ChooserListAdapter.TARGET_SERVICE:
-                    cat = MetricsLogger.ACTION_ACTIVITY_CHOOSER_PICKED_SERVICE_TARGET;
+                    cat = MetricsEvent.ACTION_ACTIVITY_CHOOSER_PICKED_SERVICE_TARGET;
                     value -= mChooserListAdapter.getCallerTargetCount();
                     break;
                 case ChooserListAdapter.TARGET_STANDARD:
-                    cat = MetricsLogger.ACTION_ACTIVITY_CHOOSER_PICKED_STANDARD_TARGET;
+                    cat = MetricsEvent.ACTION_ACTIVITY_CHOOSER_PICKED_STANDARD_TARGET;
                     value -= mChooserListAdapter.getCallerTargetCount()
                             + mChooserListAdapter.getServiceTargetCount();
                     break;
diff --git a/core/java/com/android/internal/app/IBatteryStats.aidl b/core/java/com/android/internal/app/IBatteryStats.aidl
index 3b9b8db..ec53a2e 100644
--- a/core/java/com/android/internal/app/IBatteryStats.aidl
+++ b/core/java/com/android/internal/app/IBatteryStats.aidl
@@ -121,4 +121,7 @@
     void setBatteryState(int status, int health, int plugType, int level, int temp, int volt);
     long getAwakeTimeBattery();
     long getAwakeTimePlugged();
+
+    void noteBleScanStarted(in WorkSource ws);
+    void noteBleScanStopped(in WorkSource ws);
 }
diff --git a/core/java/com/android/internal/app/ISoundTriggerService.aidl b/core/java/com/android/internal/app/ISoundTriggerService.aidl
new file mode 100644
index 0000000..9de4a6c
--- /dev/null
+++ b/core/java/com/android/internal/app/ISoundTriggerService.aidl
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2014 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 com.android.internal.app;
+
+import android.hardware.soundtrigger.IRecognitionStatusCallback;
+import android.hardware.soundtrigger.SoundTrigger;
+import android.os.ParcelUuid;
+
+/**
+ * Service interface for a generic sound recognition model.
+ * @hide
+ */
+interface ISoundTriggerService {
+
+
+    SoundTrigger.GenericSoundModel getSoundModel(in ParcelUuid soundModelId);
+
+    void updateSoundModel(in SoundTrigger.GenericSoundModel soundModel);
+
+    void deleteSoundModel(in ParcelUuid soundModelId);
+
+    void startRecognition(in ParcelUuid soundModelId, in IRecognitionStatusCallback callback);
+
+    /**
+     * Stops recognition.
+     */
+    void stopRecognition(in ParcelUuid soundModelId, in IRecognitionStatusCallback callback);
+}
diff --git a/core/java/com/android/internal/logging/MetricsConstants.java b/core/java/com/android/internal/logging/MetricsConstants.java
deleted file mode 100644
index 522732d..0000000
--- a/core/java/com/android/internal/logging/MetricsConstants.java
+++ /dev/null
@@ -1,352 +0,0 @@
-/*
- * Copyright (C) 2015 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 com.android.internal.logging;
-
-/**
- * Constants for mestrics logs.
- *
- * @hide
- */
-public interface MetricsConstants {
-    // These constants must match those in the analytic pipeline, do not edit.
-    // define metric categories in frameworks/base/core/proto/src/metrics_constants.proto.
-    public static final int MAIN_SETTINGS = 1;
-    public static final int ACCESSIBILITY = 2;
-    public static final int ACCESSIBILITY_CAPTION_PROPERTIES = 3;
-    public static final int ACCESSIBILITY_SERVICE = 4;
-    public static final int ACCESSIBILITY_TOGGLE_DALTONIZER = 5;
-    public static final int ACCESSIBILITY_TOGGLE_GLOBAL_GESTURE = 6;
-    public static final int ACCESSIBILITY_TOGGLE_SCREEN_MAGNIFICATION = 7;
-    public static final int ACCOUNT = 8;
-    public static final int ACCOUNTS_ACCOUNT_SYNC = 9;
-    public static final int ACCOUNTS_CHOOSE_ACCOUNT_ACTIVITY = 10;
-    public static final int ACCOUNTS_MANAGE_ACCOUNTS = 11;
-    public static final int APN = 12;
-    public static final int APN_EDITOR = 13;
-    public static final int APP_OPS_DETAILS = 14;
-    public static final int APP_OPS_SUMMARY = 15;
-    public static final int APPLICATION = 16;
-    public static final int APPLICATIONS_APP_LAUNCH = 17;
-    public static final int APPLICATIONS_APP_PERMISSION = 18;
-    public static final int APPLICATIONS_APP_STORAGE = 19;
-    public static final int APPLICATIONS_INSTALLED_APP_DETAILS = 20;
-    public static final int APPLICATIONS_PROCESS_STATS_DETAIL = 21;
-    public static final int APPLICATIONS_PROCESS_STATS_MEM_DETAIL = 22;
-    public static final int APPLICATIONS_PROCESS_STATS_UI = 23;
-    public static final int BLUETOOTH = 24;
-    public static final int BLUETOOTH_DEVICE_PICKER = 25;
-    public static final int BLUETOOTH_DEVICE_PROFILES = 26;
-    public static final int CHOOSE_LOCK_GENERIC = 27;
-    public static final int CHOOSE_LOCK_PASSWORD = 28;
-    public static final int CHOOSE_LOCK_PATTERN = 29;
-    public static final int CONFIRM_LOCK_PASSWORD = 30;
-    public static final int CONFIRM_LOCK_PATTERN = 31;
-    public static final int CRYPT_KEEPER = 32;
-    public static final int CRYPT_KEEPER_CONFIRM = 33;
-    public static final int DASHBOARD_SEARCH_RESULTS = 34;
-    public static final int DASHBOARD_SUMMARY = 35;
-    public static final int DATA_USAGE = 36;
-    public static final int DATA_USAGE_SUMMARY = 37;
-    public static final int DATE_TIME = 38;
-    public static final int DEVELOPMENT = 39;
-    public static final int DEVICEINFO = 40;
-    public static final int DEVICEINFO_IMEI_INFORMATION = 41;
-    public static final int DEVICEINFO_STORAGE = 42;
-    public static final int DEVICEINFO_SIM_STATUS = 43;
-    public static final int DEVICEINFO_STATUS = 44;
-    public static final int DEVICEINFO_USB = 45;
-    public static final int DISPLAY = 46;
-    public static final int DREAM = 47;
-    public static final int ENCRYPTION = 48;
-    public static final int FINGERPRINT = 49;
-    public static final int FINGERPRINT_ENROLL = 50;
-    public static final int FUELGAUGE_BATTERY_HISTORY_DETAIL = 51;
-    public static final int FUELGAUGE_BATTERY_SAVER = 52;
-    public static final int FUELGAUGE_POWER_USAGE_DETAIL = 53;
-    public static final int FUELGAUGE_POWER_USAGE_SUMMARY = 54;
-    public static final int HOME = 55;
-    public static final int ICC_LOCK = 56;
-    public static final int INPUTMETHOD_LANGUAGE = 57;
-    public static final int INPUTMETHOD_KEYBOARD = 58;
-    public static final int INPUTMETHOD_SPELL_CHECKERS = 59;
-    public static final int INPUTMETHOD_SUBTYPE_ENABLER = 60;
-    public static final int INPUTMETHOD_USER_DICTIONARY = 61;
-    public static final int INPUTMETHOD_USER_DICTIONARY_ADD_WORD = 62;
-    public static final int LOCATION = 63;
-    public static final int LOCATION_MODE = 64;
-    public static final int MANAGE_APPLICATIONS = 65;
-    public static final int MASTER_CLEAR = 66;
-    public static final int MASTER_CLEAR_CONFIRM = 67;
-    public static final int NET_DATA_USAGE_METERED = 68;
-    public static final int NFC_BEAM = 69;
-    public static final int NFC_PAYMENT = 70;
-    public static final int NOTIFICATION = 71;
-    public static final int NOTIFICATION_APP_NOTIFICATION = 72;
-    public static final int NOTIFICATION_OTHER_SOUND = 73;
-    public static final int NOTIFICATION_REDACTION = 74;
-    public static final int NOTIFICATION_STATION = 75;
-    public static final int NOTIFICATION_ZEN_MODE = 76;
-    public static final int OWNER_INFO = 77;
-    public static final int PRINT_JOB_SETTINGS = 78;
-    public static final int PRINT_SERVICE_SETTINGS = 79;
-    public static final int PRINT_SETTINGS = 80;
-    public static final int PRIVACY = 81;
-    public static final int PROXY_SELECTOR = 82;
-    public static final int RESET_NETWORK = 83;
-    public static final int RESET_NETWORK_CONFIRM = 84;
-    public static final int RUNNING_SERVICE_DETAILS = 85;
-    public static final int SCREEN_PINNING = 86;
-    public static final int SECURITY = 87;
-    public static final int SIM = 88;
-    public static final int TESTING = 89;
-    public static final int TETHER = 90;
-    public static final int TRUST_AGENT = 91;
-    public static final int TRUSTED_CREDENTIALS = 92;
-    public static final int TTS_ENGINE_SETTINGS = 93;
-    public static final int TTS_TEXT_TO_SPEECH = 94;
-    public static final int USAGE_ACCESS = 95;
-    public static final int USER = 96;
-    public static final int USERS_APP_RESTRICTIONS = 97;
-    public static final int USER_DETAILS = 98;
-    public static final int VOICE_INPUT = 99;
-    public static final int VPN = 100;
-    public static final int WALLPAPER_TYPE = 101;
-    public static final int WFD_WIFI_DISPLAY = 102;
-    public static final int WIFI = 103;
-    public static final int WIFI_ADVANCED = 104;
-    public static final int WIFI_CALLING = 105;
-    public static final int WIFI_SAVED_ACCESS_POINTS = 106;
-    public static final int WIFI_APITEST = 107;
-    public static final int WIFI_INFO = 108;
-    public static final int WIFI_P2P = 109;
-    public static final int WIRELESS = 110;
-    public static final int QS_AIRPLANEMODE = 112;
-    public static final int QS_BLUETOOTH = 113;
-    public static final int QS_CAST = 114;
-    public static final int QS_CELLULAR = 115;
-    public static final int QS_COLORINVERSION = 116;
-    public static final int QS_DATAUSAGEDETAIL = 117;
-    public static final int QS_DND = 118;
-    public static final int QS_FLASHLIGHT = 119;
-    public static final int QS_HOTSPOT = 120;
-    public static final int QS_INTENT = 121;
-    public static final int QS_LOCATION = 122;
-    public static final int QS_ROTATIONLOCK = 123;
-    public static final int QS_USERDETAILITE = 124;
-    public static final int QS_USERDETAIL = 125;
-    public static final int QS_WIFI = 126;
-    public static final int NOTIFICATION_PANEL = 127;
-    public static final int NOTIFICATION_ITEM = 128;
-    public static final int NOTIFICATION_ITEM_ACTION = 129;
-    public static final int APPLICATIONS_ADVANCED = 130;
-    public static final int LOCATION_SCANNING = 131;
-    public static final int MANAGE_APPLICATIONS_ALL = 132;
-    public static final int MANAGE_APPLICATIONS_NOTIFICATIONS = 133;
-    public static final int ACTION_WIFI_ADD_NETWORK = 134;
-    public static final int ACTION_WIFI_CONNECT = 135;
-    public static final int ACTION_WIFI_FORCE_SCAN = 136;
-    public static final int ACTION_WIFI_FORGET = 137;
-    public static final int ACTION_WIFI_OFF = 138;
-    public static final int ACTION_WIFI_ON = 139;
-    public static final int MANAGE_PERMISSIONS = 140;
-    public static final int NOTIFICATION_ZEN_MODE_PRIORITY = 141;
-    public static final int NOTIFICATION_ZEN_MODE_AUTOMATION = 142;
-    public static final int MANAGE_DOMAIN_URLS = 143;
-    public static final int NOTIFICATION_ZEN_MODE_SCHEDULE_RULE = 144;
-    public static final int NOTIFICATION_ZEN_MODE_EXTERNAL_RULE = 145;
-    public static final int NOTIFICATION_ZEN_MODE_EVENT_RULE = 146;
-    public static final int ACTION_BAN_APP_NOTES = 147;
-    public static final int ACTION_DISMISS_ALL_NOTES = 148;
-    public static final int QS_DND_DETAILS = 149;
-    public static final int QS_BLUETOOTH_DETAILS = 150;
-    public static final int QS_CAST_DETAILS = 151;
-    public static final int QS_WIFI_DETAILS = 152;
-    public static final int QS_WIFI_TOGGLE = 153;
-    public static final int QS_BLUETOOTH_TOGGLE = 154;
-    public static final int QS_CELLULAR_TOGGLE = 155;
-    public static final int QS_SWITCH_USER = 156;
-    public static final int QS_CAST_SELECT = 157;
-    public static final int QS_CAST_DISCONNECT = 158;
-    public static final int ACTION_BLUETOOTH_TOGGLE = 159;
-    public static final int ACTION_BLUETOOTH_SCAN = 160;
-    public static final int ACTION_BLUETOOTH_RENAME = 161;
-    public static final int ACTION_BLUETOOTH_FILES = 162;
-    public static final int QS_DND_TIME = 163;
-    public static final int QS_DND_CONDITION_SELECT = 164;
-    public static final int QS_DND_ZEN_SELECT = 165;
-    public static final int QS_DND_TOGGLE = 166;
-    public static final int ACTION_ZEN_ALLOW_REMINDERS = 167;
-    public static final int ACTION_ZEN_ALLOW_EVENTS = 168;
-    public static final int ACTION_ZEN_ALLOW_MESSAGES = 169;
-    public static final int ACTION_ZEN_ALLOW_CALLS = 170;
-    public static final int ACTION_ZEN_ALLOW_REPEAT_CALLS = 171;
-    public static final int ACTION_ZEN_ADD_RULE = 172;
-    public static final int ACTION_ZEN_ADD_RULE_OK = 173;
-    public static final int ACTION_ZEN_DELETE_RULE = 174;
-    public static final int ACTION_ZEN_DELETE_RULE_OK = 175;
-    public static final int ACTION_ZEN_ENABLE_RULE = 176;
-    public static final int ACTION_AIRPLANE_TOGGLE = 177;
-    public static final int ACTION_CELL_DATA_TOGGLE = 178;
-    public static final int NOTIFICATION_ACCESS = 179;
-    public static final int NOTIFICATION_ZEN_MODE_ACCESS = 180;
-    public static final int APPLICATIONS_DEFAULT_APPS = 181;
-    public static final int APPLICATIONS_STORAGE_APPS = 182;
-    public static final int APPLICATIONS_USAGE_ACCESS_DETAIL = 183;
-    public static final int APPLICATIONS_HIGH_POWER_APPS = 184;
-    public static final int FUELGAUGE_HIGH_POWER_DETAILS = 185;
-    public static final int ACTION_LS_UNLOCK = 186;
-    public static final int ACTION_LS_SHADE = 187;
-    public static final int ACTION_LS_HINT = 188;
-    public static final int ACTION_LS_CAMERA = 189;
-    public static final int ACTION_LS_DIALER = 190;
-    public static final int ACTION_LS_LOCK = 191;
-    public static final int ACTION_LS_NOTE = 192;
-    public static final int ACTION_LS_QS = 193;
-    public static final int ACTION_SHADE_QS_PULL = 194;
-    public static final int ACTION_SHADE_QS_TAP = 195;
-    public static final int LOCKSCREEN = 196;
-    public static final int BOUNCER = 197;
-    public static final int SCREEN = 198;
-    public static final int NOTIFICATION_ALERT = 199;
-    public static final int ACTION_EMERGENCY_CALL = 200;
-    public static final int APPLICATIONS_MANAGE_ASSIST = 201;
-    public static final int PROCESS_STATS_SUMMARY = 202;
-    public static final int ACTION_ROTATION_LOCK = 203;
-    public static final int ACTION_NOTE_CONTROLS = 204;
-    public static final int ACTION_NOTE_INFO = 205;
-    public static final int ACTION_APP_NOTE_SETTINGS = 206;
-    public static final int VOLUME_DIALOG = 207;
-    public static final int VOLUME_DIALOG_DETAILS = 208;
-    public static final int ACTION_VOLUME_SLIDER = 209;
-    public static final int ACTION_VOLUME_STREAM = 210;
-    public static final int ACTION_VOLUME_KEY = 211;
-    public static final int ACTION_VOLUME_ICON = 212;
-    public static final int ACTION_RINGER_MODE = 213;
-    public static final int ACTION_ACTIVITY_CHOOSER_SHOWN = 214;
-    public static final int ACTION_ACTIVITY_CHOOSER_PICKED_APP_TARGET = 215;
-    public static final int ACTION_ACTIVITY_CHOOSER_PICKED_SERVICE_TARGET = 216;
-    public static final int ACTION_ACTIVITY_CHOOSER_PICKED_STANDARD_TARGET = 217;
-    public static final int ACTION_BRIGHTNESS = 218;
-    public static final int ACTION_BRIGHTNESS_AUTO = 219;
-    public static final int BRIGHTNESS_DIALOG = 220;
-    public static final int SYSTEM_ALERT_WINDOW_APPS = 221;
-    public static final int DREAMING = 222;
-    public static final int DOZING = 223;
-    public static final int OVERVIEW_ACTIVITY = 224;
-    public static final int ABOUT_LEGAL_SETTINGS = 225;
-    public static final int ACTION_SEARCH_RESULTS = 226;
-    public static final int TUNER = 227;
-    public static final int TUNER_QS = 228;
-    public static final int TUNER_DEMO_MODE = 229;
-    public static final int TUNER_QS_REORDER = 230;
-    public static final int TUNER_QS_ADD = 231;
-    public static final int TUNER_QS_REMOVE = 232;
-    public static final int TUNER_STATUS_BAR_ENABLE = 233;
-    public static final int TUNER_STATUS_BAR_DISABLE = 234;
-    public static final int TUNER_DEMO_MODE_ENABLED = 235;
-    public static final int TUNER_DEMO_MODE_ON = 236;
-    public static final int TUNER_BATTERY_PERCENTAGE = 237;
-    public static final int FUELGAUGE_INACTIVE_APPS = 238;
-    public static final int ACTION_ASSIST_LONG_PRESS = 239;
-    public static final int FINGERPRINT_ENROLLING = 240;
-    public static final int FINGERPRINT_FIND_SENSOR = 241;
-    public static final int FINGERPRINT_ENROLL_FINISH = 242;
-    public static final int FINGERPRINT_ENROLL_INTRO = 243;
-    public static final int FINGERPRINT_ENROLL_ONBOARD = 244;
-    public static final int FINGERPRINT_ENROLL_SIDECAR = 245;
-    public static final int FINGERPRINT_ENROLLING_SETUP = 246;
-    public static final int FINGERPRINT_FIND_SENSOR_SETUP = 247;
-    public static final int FINGERPRINT_ENROLL_FINISH_SETUP = 248;
-    public static final int FINGERPRINT_ENROLL_INTRO_SETUP = 249;
-    public static final int FINGERPRINT_ENROLL_ONBOARD_SETUP = 250;
-    public static final int ACTION_FINGERPRINT_ENROLL = 251;
-    public static final int ACTION_FINGERPRINT_AUTH = 252;
-    public static final int ACTION_FINGERPRINT_DELETE = 253;
-    public static final int ACTION_FINGERPRINT_RENAME = 254;
-    public static final int ACTION_DOUBLE_TAP_POWER_CAMERA_GESTURE = 255;
-    public static final int ACTION_WIGGLE_CAMERA_GESTURE = 256;
-    public static final int QS_WORKMODE = 257;
-    public static final int BACKGROUND_CHECK_SUMMARY = 258;
-    public static final int QS_LOCK_TILE = 259;
-    public static final int QS_USER_TILE = 260;
-    public static final int QS_BATTERY_TILE = 261;
-    public static final int NOTIFICATION_ZEN_MODE_VISUAL_INTERRUPTIONS = 262;
-    public static final int ACTION_ZEN_ALLOW_PEEK = 263;
-    public static final int ACTION_ZEN_ALLOW_LIGHTS = 264;
-    public static final int NOTIFICATION_TOPIC_NOTIFICATION = 265;
-    public static final int ACTION_DEFAULT_SMS_APP_CHANGED = 266;
-    public static final int QS_COLOR_MATRIX = 267;
-    public static final int QS_CUSTOM = 268;
-    public static final int ACTION_ZEN_ALLOW_SCREEN_ON = 269;
-
-    /**
-     * Logged when the user docks a window from recents by longpressing a task and dragging it to
-     * the dock area.
-     */
-    public static final int ACTION_WINDOW_DOCK_DRAG_DROP = 270;
-
-    /**
-     * Logged when the user docks a fullscreen window by long pressing recents which also opens
-     * recents on the lower/right side.
-     */
-    public static final int ACTION_WINDOW_DOCK_LONGPRESS = 271;
-
-    /**
-     * Logged when the user docks a window by dragging from the navbar which also opens recents on
-     * the lower/right side.
-     */
-    public static final int ACTION_WINDOW_DOCK_SWIPE = 272;
-
-    /**
-     * Logged when the user launches a profile-specific app and we intercept it with the confirm
-     * credentials UI.
-     */
-    public static final int PROFILE_CHALLENGE = 273;
-    public static final int QS_BATTERY_DETAIL = 274;
-
-    /**
-     * Logged when the user goes into the overview history.
-     */
-    public static final int OVERVIEW_HISTORY = 275;
-
-    /**
-     * Logged when the user pages through overview.
-     */
-    public static final int ACTION_OVERVIEW_PAGE = 276;
-
-    /**
-     * Logged when the user launches a task from overview.
-     */
-    public static final int ACTION_OVERVIEW_SELECT = 277;
-
-    /** Logged when the user views the emergency info. */
-    public static final int ACTION_VIEW_EMERGENCY_INFO = 278;
-
-    /** Logged when the user views the edit emergency info activity. */
-    public static final int ACTION_EDIT_EMERGENCY_INFO = 279;
-
-    /** Logged when the user edits an emergency info field. */
-    public static final int ACTION_EDIT_EMERGENCY_INFO_FIELD = 280;
-
-    /** Logged when the user adds a new emergency contact. */
-    public static final int ACTION_ADD_EMERGENCY_CONTACT = 281;
-
-    /** Logged when the user deletes an emergency contact. */
-    public static final int ACTION_DELETE_EMERGENCY_CONTACT = 282;
-
-    /** Logged when the user calls an emergency contact. */
-    public static final int ACTION_CALL_EMERGENCY_CONTACT = 283;
-}
diff --git a/core/java/com/android/internal/logging/MetricsLogger.java b/core/java/com/android/internal/logging/MetricsLogger.java
index 183d8d7..ef725da 100644
--- a/core/java/com/android/internal/logging/MetricsLogger.java
+++ b/core/java/com/android/internal/logging/MetricsLogger.java
@@ -26,8 +26,8 @@
  *
  * @hide
  */
-public class MetricsLogger implements com.android.internal.logging.MetricsConstants {
-    // define metric categories in frameworks/base/core/proto/src/metrics_constants.proto.
+public class MetricsLogger {
+    // define metric categories in frameworks/base/proto/src/metrics_constants.proto.
 
     public static final int VIEW_UNKNOWN = MetricsEvent.VIEW_UNKNOWN;
 
diff --git a/core/res/AndroidManifest.xml b/core/res/AndroidManifest.xml
index 56c3fc8..3aa7de5 100644
--- a/core/res/AndroidManifest.xml
+++ b/core/res/AndroidManifest.xml
@@ -1407,6 +1407,13 @@
     <permission android:name="android.permission.BIND_INCALL_SERVICE"
         android:protectionLevel="signature|privileged" />
 
+    <!-- Must be required by a {@link android.telecom.CallScreeningService},
+         to ensure that only the system can bind to it.
+         <p>Protection level: signature|privileged
+    -->
+    <permission android:name="android.permission.BIND_SCREENING_SERVICE"
+        android:protectionLevel="signature|privileged" />
+
     <!-- Must be required by a {@link android.telecom.ConnectionService},
          to ensure that only the system can bind to it.
          @deprecated {@link android.telecom.ConnectionService}s should require
@@ -2860,6 +2867,12 @@
     <permission android:name="android.permission.RECEIVE_MEDIA_RESOURCE_USAGE"
                 android:protectionLevel="signature|privileged" />
 
+    <!-- Must be required by system/priv apps when accessing the sound trigger
+         APIs given by {@link SoundTriggerManager}.
+         @hide <p>Not for use by third-party applications.</p> -->
+    <permission android:name="android.permission.MANAGE_SOUND_TRIGGER"
+        android:protectionLevel="signature|privileged" />
+
     <application android:process="system"
                  android:persistent="true"
                  android:hasCode="false"
diff --git a/media/java/android/media/AudioFormat.java b/media/java/android/media/AudioFormat.java
index bde3d19..000a56d 100644
--- a/media/java/android/media/AudioFormat.java
+++ b/media/java/android/media/AudioFormat.java
@@ -251,6 +251,10 @@
      * @hide
      * */
     public static final int ENCODING_AAC_HE_V2 = 12;
+    /** Audio data format: compressed audio wrapped in PCM for HDMI
+     * or S/PDIF passthrough.
+     */
+    public static final int ENCODING_IEC61937 = 13;
 
     /** Invalid audio channel configuration */
     /** @deprecated Use {@link #CHANNEL_INVALID} instead.  */
@@ -418,6 +422,7 @@
         case ENCODING_PCM_8BIT:
             return 1;
         case ENCODING_PCM_16BIT:
+        case ENCODING_IEC61937:
         case ENCODING_DEFAULT:
             return 2;
         case ENCODING_PCM_FLOAT:
@@ -443,6 +448,7 @@
         case ENCODING_AAC_LC:
         case ENCODING_AAC_HE_V1:
         case ENCODING_AAC_HE_V2:
+        case ENCODING_IEC61937:
             return true;
         default:
             return false;
@@ -460,6 +466,7 @@
         case ENCODING_E_AC3:
         case ENCODING_DTS:
         case ENCODING_DTS_HD:
+        case ENCODING_IEC61937:
             return true;
         default:
             return false;
@@ -483,6 +490,7 @@
         case ENCODING_AAC_LC:
         case ENCODING_AAC_HE_V1:
         case ENCODING_AAC_HE_V2:
+        case ENCODING_IEC61937: // wrapped in PCM but compressed
             return false;
         case ENCODING_INVALID:
         default:
@@ -490,6 +498,30 @@
         }
     }
 
+    /** @hide */
+    public static boolean isEncodingLinearFrames(int audioFormat)
+    {
+        switch (audioFormat) {
+        case ENCODING_PCM_8BIT:
+        case ENCODING_PCM_16BIT:
+        case ENCODING_PCM_FLOAT:
+        case ENCODING_IEC61937: // same size as stereo PCM
+        case ENCODING_DEFAULT:
+            return true;
+        case ENCODING_AC3:
+        case ENCODING_E_AC3:
+        case ENCODING_DTS:
+        case ENCODING_DTS_HD:
+        case ENCODING_MP3:
+        case ENCODING_AAC_LC:
+        case ENCODING_AAC_HE_V1:
+        case ENCODING_AAC_HE_V2:
+            return false;
+        case ENCODING_INVALID:
+        default:
+            throw new IllegalArgumentException("Bad audio format " + audioFormat);
+        }
+    }
     /**
      * Returns an array of public encoding values extracted from an array of
      * encoding values.
@@ -715,6 +747,7 @@
                 case ENCODING_E_AC3:
                 case ENCODING_DTS:
                 case ENCODING_DTS_HD:
+                case ENCODING_IEC61937:
                     mEncoding = encoding;
                     break;
                 case ENCODING_INVALID:
@@ -859,7 +892,8 @@
         ENCODING_AC3,
         ENCODING_E_AC3,
         ENCODING_DTS,
-        ENCODING_DTS_HD
+        ENCODING_DTS_HD,
+        ENCODING_IEC61937
     })
     @Retention(RetentionPolicy.SOURCE)
     public @interface Encoding {}
diff --git a/media/java/android/media/MediaCodecInfo.java b/media/java/android/media/MediaCodecInfo.java
index f3baa5e..d9690f0 100644
--- a/media/java/android/media/MediaCodecInfo.java
+++ b/media/java/android/media/MediaCodecInfo.java
@@ -460,6 +460,11 @@
         public static final String FEATURE_TunneledPlayback       = "tunneled-playback";
 
         /**
+         * <b>video encoder only</b>: codec supports intra refresh.
+         */
+        public static final String FEATURE_IntraRefresh = "intra-refresh";
+
+        /**
          * Query codec feature capabilities.
          * <p>
          * These features are supported to be used by the codec.  These
@@ -486,6 +491,10 @@
             new Feature(FEATURE_TunneledPlayback, (1 << 2), false),
         };
 
+        private static final Feature[] encoderFeatures = {
+            new Feature(FEATURE_IntraRefresh, (1 << 0), false),
+        };
+
         /** @hide */
         public String[] validFeatures() {
             Feature[] features = getValidFeatures();
@@ -500,7 +509,7 @@
             if (!isEncoder()) {
                 return decoderFeatures;
             }
-            return new Feature[] {};
+            return encoderFeatures;
         }
 
         private boolean checkFeature(String name, int flags) {
@@ -1726,7 +1735,7 @@
         }
 
         private void applyLevelLimits() {
-            int maxBlocksPerSecond = 0;
+            long maxBlocksPerSecond = 0;
             int maxBlocks = 0;
             int maxBps = 0;
             int maxDPBBlocks = 0;
@@ -2052,11 +2061,11 @@
                         16 /* blockWidth */, 16 /* blockHeight */,
                         1 /* widthAlignment */, 1 /* heightAlignment */);
                 mFrameRateRange = Range.create(1, maxRate);
-            } else if (mime.equalsIgnoreCase(MediaFormat.MIMETYPE_VIDEO_VP8) ||
-                    mime.equalsIgnoreCase(MediaFormat.MIMETYPE_VIDEO_VP9)) {
-                maxBlocks = maxBlocksPerSecond = Integer.MAX_VALUE;
+            } else if (mime.equalsIgnoreCase(MediaFormat.MIMETYPE_VIDEO_VP8)) {
+                maxBlocks = Integer.MAX_VALUE;
+                maxBlocksPerSecond = Integer.MAX_VALUE;
 
-                // TODO: set to 100Mbps for now, need a number for VPX
+                // TODO: set to 100Mbps for now, need a number for VP8
                 maxBps = 100000000;
 
                 // profile levels are not indicative for VPx, but verify
@@ -2084,11 +2093,80 @@
                     errors &= ~ERROR_NONE_SUPPORTED;
                 }
 
-                final int blockSize =
-                    mime.equalsIgnoreCase(MediaFormat.MIMETYPE_VIDEO_VP8) ? 16 : 8;
+                final int blockSize = 16;
                 applyMacroBlockLimits(Short.MAX_VALUE, Short.MAX_VALUE,
                         maxBlocks, maxBlocksPerSecond, blockSize, blockSize,
                         1 /* widthAlignment */, 1 /* heightAlignment */);
+            } else if (mime.equalsIgnoreCase(MediaFormat.MIMETYPE_VIDEO_VP9)) {
+                maxBlocksPerSecond = 829440;
+                maxBlocks = 36864;
+                maxBps = 200000;
+
+                for (CodecProfileLevel profileLevel: profileLevels) {
+                    long SR = 0;
+                    int FS = 0;
+                    int BR = 0;
+                    switch (profileLevel.level) {
+                        case CodecProfileLevel.VP9Level1:
+                            SR =      829440; FS =    36864; BR =    200; break;
+                        case CodecProfileLevel.VP9Level11:
+                            SR =     2764800; FS =    73728; BR =    800; break;
+                        case CodecProfileLevel.VP9Level2:
+                            SR =     4608000; FS =   122880; BR =   1800; break;
+                        case CodecProfileLevel.VP9Level21:
+                            SR =     9216000; FS =   245760; BR =   3600; break;
+                        case CodecProfileLevel.VP9Level3:
+                            SR =    20736000; FS =   552960; BR =   7200; break;
+                        case CodecProfileLevel.VP9Level31:
+                            SR =    36864000; FS =   983040; BR =  12000; break;
+                        case CodecProfileLevel.VP9Level4:
+                            SR =    83558400; FS =  2228224; BR =  18000; break;
+                        case CodecProfileLevel.VP9Level41:
+                            SR =   160432128; FS =  2228224; BR =  30000; break;
+                        case CodecProfileLevel.VP9Level5:
+                            SR =   311951360; FS =  8912896; BR =  60000; break;
+                        case CodecProfileLevel.VP9Level51:
+                            SR =   588251136; FS =  8912896; BR = 120000; break;
+                        case CodecProfileLevel.VP9Level52:
+                            SR =  1176502272; FS =  8912896; BR = 180000; break;
+                        case CodecProfileLevel.VP9Level6:
+                            SR =  1176502272; FS = 35651584; BR = 180000; break;
+                        case CodecProfileLevel.VP9Level61:
+                            SR = 2353004544L; FS = 35651584; BR = 240000; break;
+                        case CodecProfileLevel.VP9Level62:
+                            SR = 4706009088L; FS = 35651584; BR = 480000; break;
+                        default:
+                            Log.w(TAG, "Unrecognized level "
+                                    + profileLevel.level + " for " + mime);
+                            errors |= ERROR_UNRECOGNIZED;
+                    }
+                    switch (profileLevel.profile) {
+                        case CodecProfileLevel.VP9Profile0:
+                        case CodecProfileLevel.VP9Profile1:
+                        case CodecProfileLevel.VP9Profile2:
+                        case CodecProfileLevel.VP9Profile3:
+                            break;
+                        default:
+                            Log.w(TAG, "Unrecognized profile "
+                                    + profileLevel.profile + " for " + mime);
+                            errors |= ERROR_UNRECOGNIZED;
+                    }
+                    errors &= ~ERROR_NONE_SUPPORTED;
+                    maxBlocksPerSecond = Math.max(SR, maxBlocksPerSecond);
+                    maxBlocks = Math.max(FS, maxBlocks);
+                    maxBps = Math.max(BR * 1000, maxBps);
+                }
+
+                final int blockSize = 8;
+                int maxLengthInBlocks = Utils.divUp(maxBlocks, blockSize);
+                maxBlocks = Utils.divUp(maxBlocks, blockSize * blockSize);
+                maxBlocksPerSecond = Utils.divUp(maxBlocksPerSecond, blockSize * blockSize);
+
+                applyMacroBlockLimits(
+                        maxLengthInBlocks, maxLengthInBlocks,
+                        maxBlocks, maxBlocksPerSecond,
+                        blockSize, blockSize,
+                        1 /* widthAlignment */, 1 /* heightAlignment */);
             } else if (mime.equalsIgnoreCase(MediaFormat.MIMETYPE_VIDEO_HEVC)) {
                 maxBlocks = 36864;
                 maxBlocksPerSecond = maxBlocks * 15;
@@ -2531,6 +2609,28 @@
         // from OMX_VIDEO_VP8PROFILETYPE
         public static final int VP8ProfileMain = 0x01;
 
+        // from OMX_VIDEO_VP9PROFILETYPE
+        public static final int VP9Profile0 = 0x00;
+        public static final int VP9Profile1 = 0x01;
+        public static final int VP9Profile2 = 0x02;
+        public static final int VP9Profile3 = 0x03;
+
+        // from OMX_VIDEO_VP9LEVELTYPE
+        public static final int VP9Level1  = 0x0;
+        public static final int VP9Level11 = 0x1;
+        public static final int VP9Level2  = 0x2;
+        public static final int VP9Level21 = 0x4;
+        public static final int VP9Level3  = 0x8;
+        public static final int VP9Level31 = 0x10;
+        public static final int VP9Level4  = 0x20;
+        public static final int VP9Level41 = 0x40;
+        public static final int VP9Level5  = 0x80;
+        public static final int VP9Level51 = 0x100;
+        public static final int VP9Level52 = 0x200;
+        public static final int VP9Level6  = 0x400;
+        public static final int VP9Level61 = 0x800;
+        public static final int VP9Level62 = 0x1000;
+
         // from OMX_VIDEO_HEVCPROFILETYPE
         public static final int HEVCProfileMain   = 0x01;
         public static final int HEVCProfileMain10 = 0x02;
@@ -2585,14 +2685,18 @@
         /**
          * Defined in the OpenMAX IL specs, depending on the type of media
          * this can be OMX_VIDEO_AVCPROFILETYPE, OMX_VIDEO_H263PROFILETYPE,
-         * OMX_VIDEO_MPEG4PROFILETYPE or OMX_VIDEO_VP8PROFILETYPE.
+         * OMX_VIDEO_MPEG4PROFILETYPE, OMX_VIDEO_VP8PROFILETYPE or OMX_VIDEO_VP9PROFILETYPE.
          */
         public int profile;
 
         /**
          * Defined in the OpenMAX IL specs, depending on the type of media
          * this can be OMX_VIDEO_AVCLEVELTYPE, OMX_VIDEO_H263LEVELTYPE
-         * OMX_VIDEO_MPEG4LEVELTYPE or OMX_VIDEO_VP8LEVELTYPE.
+         * OMX_VIDEO_MPEG4LEVELTYPE, OMX_VIDEO_VP8LEVELTYPE or OMX_VIDEO_VP9LEVELTYPE.
+         *
+         * Note that VP9 decoder on platforms before {@link android.os.Build.VERSION_CODES#N} may
+         * not advertise a profile level support. For those VP9 decoders, please use
+         * {@link VideoCapabilities} to determine the codec capabilities.
          */
         public int level;
     };
diff --git a/media/java/android/media/MediaFormat.java b/media/java/android/media/MediaFormat.java
index abdf220..930d8b8 100644
--- a/media/java/android/media/MediaFormat.java
+++ b/media/java/android/media/MediaFormat.java
@@ -44,7 +44,8 @@
  *         for encoders, readable in the output format of decoders</b></td></tr>
  * <tr><td>{@link #KEY_FRAME_RATE}</td><td>Integer or Float</td><td><b>encoder-only</b></td></tr>
  * <tr><td>{@link #KEY_CAPTURE_RATE}</td><td>Integer</td><td></td></tr>
-* <tr><td>{@link #KEY_I_FRAME_INTERVAL}</td><td>Integer</td><td><b>encoder-only</b></td></tr>
+ * <tr><td>{@link #KEY_I_FRAME_INTERVAL}</td><td>Integer</td><td><b>encoder-only</b></td></tr>
+ * <tr><td>{@link #KEY_INTRA_REFRESH_PERIOD}</td><td>Integer</td><td><b>encoder-only</b>, optional</td></tr>
  * <tr><td>{@link #KEY_MAX_WIDTH}</td><td>Integer</td><td><b>decoder-only</b>, optional, max-resolution width</td></tr>
  * <tr><td>{@link #KEY_MAX_HEIGHT}</td><td>Integer</td><td><b>decoder-only</b>, optional, max-resolution height</td></tr>
  * <tr><td>{@link #KEY_REPEAT_PREVIOUS_FRAME_AFTER}</td><td>Long</td><td><b>video encoder in surface-mode only</b></td></tr>
@@ -218,6 +219,20 @@
     public static final String KEY_I_FRAME_INTERVAL = "i-frame-interval";
 
     /**
+    * An optional key describing the period of intra refresh in frames. This is an
+    * optional parameter that applies only to video encoders. If encoder supports it
+    * ({@link MediaCodecInfo.CodecCapabilities#FEATURE_IntraRefresh}), the whole
+    * frame is completely refreshed after the specified period. Also for each frame,
+    * a fix subset of macroblocks must be intra coded which leads to more constant bitrate
+    * than inserting a key frame. This key is recommended for video streaming applications
+    * as it provides low-delay and good error-resilience. This key is ignored if the
+    * video encoder does not support the intra refresh feature. Use the output format to
+    * verify that this feature was enabled.
+    * The associated value is an integer.
+    */
+    public static final String KEY_INTRA_REFRESH_PERIOD = "intra-refresh-period";
+
+   /**
      * A key describing the temporal layering schema.  This is an optional parameter
      * that applies only to video encoders.  Use {@link MediaCodec#getInputFormat}
      * after {@link MediaCodec#configure configure} to query if the encoder supports
diff --git a/media/java/android/media/MediaRecorder.java b/media/java/android/media/MediaRecorder.java
index 9517387..f09f654 100644
--- a/media/java/android/media/MediaRecorder.java
+++ b/media/java/android/media/MediaRecorder.java
@@ -822,7 +822,6 @@
      *
      * @throws IllegalStateException if it is called before start() or after
      * stop()
-     * {@hide}
      */
     public native void pause() throws IllegalStateException;
 
@@ -833,7 +832,6 @@
      * @throws IllegalStateException if it is called before start() or after
      * stop()
      * @see android.media.MediaRecorder#pause
-     * {@hide}
      */
     public native void resume() throws IllegalStateException;
 
diff --git a/media/java/android/media/Utils.java b/media/java/android/media/Utils.java
index 2cd3c43..35b083e 100644
--- a/media/java/android/media/Utils.java
+++ b/media/java/android/media/Utils.java
@@ -174,7 +174,7 @@
         return (num + den - 1) / den;
     }
 
-    private static long divUp(long num, long den) {
+    static long divUp(long num, long den) {
         return (num + den - 1) / den;
     }
 
diff --git a/media/java/android/media/soundtrigger/SoundTriggerDetector.java b/media/java/android/media/soundtrigger/SoundTriggerDetector.java
new file mode 100644
index 0000000..ebba343
--- /dev/null
+++ b/media/java/android/media/soundtrigger/SoundTriggerDetector.java
@@ -0,0 +1,180 @@
+/**
+ * Copyright (C) 2014 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.media.soundtrigger;
+
+import android.annotation.NonNull;
+import android.annotation.Nullable;
+import android.annotation.SystemApi;
+import android.hardware.soundtrigger.IRecognitionStatusCallback;
+import android.hardware.soundtrigger.SoundTrigger;
+import android.os.Handler;
+import android.os.ParcelUuid;
+import android.os.RemoteException;
+import android.util.Slog;
+
+import com.android.internal.app.ISoundTriggerService;
+
+import java.io.PrintWriter;
+import java.util.UUID;
+
+/**
+ * A class that allows interaction with the actual sound trigger detection on the system.
+ * Sound trigger detection refers to a detectors that match generic sound patterns that are
+ * not voice-based. The voice-based recognition models should utilize the {@link
+ * VoiceInteractionService} instead. Access to this class is protected by a permission
+ * granted only to system or privileged apps.
+ *
+ * @hide
+ */
+public final class SoundTriggerDetector {
+    private static final boolean DBG = false;
+    private static final String TAG = "SoundTriggerDetector";
+
+    private final Object mLock = new Object();
+
+    private final ISoundTriggerService mSoundTriggerService;
+    private final UUID mSoundModelId;
+    private final Callback mCallback;
+    private final Handler mHandler;
+    private final RecognitionCallback mRecognitionCallback;
+
+    public abstract class Callback {
+        /**
+         * Called when the availability of the sound model changes.
+         */
+        public abstract void onAvailabilityChanged(int status);
+
+        /**
+         * Called when the sound model has triggered (such as when it matched a
+         * given sound pattern).
+         */
+        public abstract void onDetected();
+
+        /**
+         *  Called when the detection fails due to an error.
+         */
+        public abstract void onError();
+
+        /**
+         * Called when the recognition is paused temporarily for some reason.
+         * This is an informational callback, and the clients shouldn't be doing anything here
+         * except showing an indication on their UI if they have to.
+         */
+        public abstract void onRecognitionPaused();
+
+        /**
+         * Called when the recognition is resumed after it was temporarily paused.
+         * This is an informational callback, and the clients shouldn't be doing anything here
+         * except showing an indication on their UI if they have to.
+         */
+        public abstract void onRecognitionResumed();
+    }
+
+    /**
+     * This class should be constructed by the {@link SoundTriggerManager}.
+     * @hide
+     */
+    SoundTriggerDetector(ISoundTriggerService soundTriggerService, UUID soundModelId,
+            @NonNull Callback callback, @Nullable Handler handler) {
+        mSoundTriggerService = soundTriggerService;
+        mSoundModelId = soundModelId;
+        mCallback = callback;
+        if (handler == null) {
+            mHandler = new Handler();
+        } else {
+            mHandler = handler;
+        }
+        mRecognitionCallback = new RecognitionCallback();
+    }
+
+    /**
+     * Starts recognition on the associated sound model. Result is indicated via the
+     * {@link Callback}.
+     * @return Indicates whether the call succeeded or not.
+     */
+    public boolean startRecognition() {
+        if (DBG) {
+            Slog.d(TAG, "startRecognition()");
+        }
+        try {
+            mSoundTriggerService.startRecognition(new ParcelUuid(mSoundModelId),
+                    mRecognitionCallback);
+        } catch (RemoteException e) {
+            return false;
+        }
+        return true;
+    }
+
+    /**
+     * Stops recognition for the associated model.
+     */
+    public boolean stopRecognition() {
+        try {
+            mSoundTriggerService.stopRecognition(new ParcelUuid(mSoundModelId),
+                    mRecognitionCallback);
+        } catch (RemoteException e) {
+            return false;
+        }
+        return true;
+    }
+
+    public void dump(String prefix, PrintWriter pw) {
+        synchronized (mLock) {
+            // TODO: Dump useful debug information.
+        }
+    }
+
+    /**
+     * Callback that handles events from the lower sound trigger layer.
+     * @hide
+     */
+    private static class RecognitionCallback extends
+            IRecognitionStatusCallback.Stub {
+
+        /**
+         * @hide
+         */
+        @Override
+        public void onDetected(SoundTrigger.RecognitionEvent event) {
+            Slog.e(TAG, "onDetected()" + event);
+        }
+
+        /**
+         * @hide
+         */
+        @Override
+        public void onError(int status) {
+            Slog.e(TAG, "onError()" + status);
+        }
+
+        /**
+         * @hide
+         */
+        @Override
+        public void onRecognitionPaused() {
+            Slog.e(TAG, "onRecognitionPaused()");
+        }
+
+        /**
+         * @hide
+         */
+        @Override
+        public void onRecognitionResumed() {
+            Slog.e(TAG, "onRecognitionResumed()");
+        }
+    }
+}
diff --git a/media/java/android/media/soundtrigger/SoundTriggerManager.java b/media/java/android/media/soundtrigger/SoundTriggerManager.java
new file mode 100644
index 0000000..4ae8e72
--- /dev/null
+++ b/media/java/android/media/soundtrigger/SoundTriggerManager.java
@@ -0,0 +1,172 @@
+/**
+ * Copyright (C) 2014 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.media.soundtrigger;
+
+import android.annotation.NonNull;
+import android.annotation.Nullable;
+import android.annotation.SystemApi;
+import android.content.Context;
+import android.hardware.soundtrigger.SoundTrigger;
+import android.os.Handler;
+import android.os.ParcelUuid;
+import android.os.RemoteException;
+import android.util.Slog;
+
+import com.android.internal.app.ISoundTriggerService;
+
+import java.util.HashMap;
+import java.util.UUID;
+
+/**
+ * This class provides management of non-voice (general sound trigger) based sound recognition
+ * models. Usage of this class is restricted to system or signature applications only. This allows
+ * OEMs to write apps that can manage non-voice based sound trigger models.
+ *
+ * @hide
+ * TODO: Mark this as a SystemApi and get approval.
+ */
+public final class SoundTriggerManager {
+    private static final boolean DBG = false;
+    private static final String TAG = "SoundTriggerManager";
+
+    private final Context mContext;
+    private final ISoundTriggerService mSoundTriggerService;
+
+    // Stores a mapping from the sound model UUID to the SoundTriggerInstance created by
+    // the createSoundTriggerDetector() call.
+    private final HashMap<UUID, SoundTriggerDetector> mReceiverInstanceMap;
+
+    /**
+     * @hide
+     */
+    public SoundTriggerManager(Context context, ISoundTriggerService soundTriggerService ) {
+        if (DBG) {
+            Slog.i(TAG, "SoundTriggerManager created.");
+        }
+        mSoundTriggerService = soundTriggerService;
+        mContext = context;
+        mReceiverInstanceMap = new HashMap<UUID, SoundTriggerDetector>();
+    }
+
+    /**
+     * Updates the given sound trigger model.
+     */
+    public void updateModel(Model model) {
+        try {
+            mSoundTriggerService.updateSoundModel(model.getGenericSoundModel());
+        } catch (RemoteException e) {
+        }
+    }
+
+    /**
+     * Returns the sound trigger model represented by the given UUID. An instance of {@link Model}
+     * is returned.
+     */
+    public Model getModel(UUID soundModelId) {
+        try {
+            return new Model(mSoundTriggerService.getSoundModel(
+                    new ParcelUuid(soundModelId)));
+        } catch (RemoteException e) {
+            return null;
+        }
+    }
+
+    /**
+     * Deletes the sound model represented by the provided UUID.
+     */
+    public void deleteModel(UUID soundModelId) {
+        try {
+            mSoundTriggerService.deleteSoundModel(new ParcelUuid(soundModelId));
+        } catch (RemoteException e) {
+        }
+    }
+
+    /**
+     * Creates an instance of {@link SoundTriggerDetector} which can be used to start/stop
+     * recognition on the model and register for triggers from the model. Note that this call
+     * invalidates any previously returned instances for the same sound model Uuid.
+     *
+     * @param soundModelId UUID of the sound model to create the receiver object for.
+     * @param callback Instance of the {@link SoundTriggerDetector#Callback} object for the
+     * callbacks for the given sound model.
+     * @param handler The Handler to use for the callback operations. A null value will use the
+     * current thread's Looper.
+     * @return Instance of {@link SoundTriggerDetector} or null on error.
+     */
+    @Nullable
+    public SoundTriggerDetector createSoundTriggerDetector(UUID soundModelId,
+            @NonNull SoundTriggerDetector.Callback callback, @Nullable Handler handler) {
+        if (soundModelId == null) {
+            return null;
+        }
+
+        SoundTriggerDetector oldInstance = mReceiverInstanceMap.get(soundModelId);
+        if (oldInstance != null) {
+            // Shutdown old instance.
+        }
+        SoundTriggerDetector newInstance = new SoundTriggerDetector(mSoundTriggerService,
+                soundModelId, callback, handler);
+        mReceiverInstanceMap.put(soundModelId, newInstance);
+        return newInstance;
+    }
+
+    /**
+     * Class captures the data and fields that represent a non-keyphrase sound model. Use the
+     * factory constructor {@link Model#create()} to create an instance.
+     */
+    // We use encapsulation to expose the SoundTrigger.GenericSoundModel as a SystemApi. This
+    // prevents us from exposing SoundTrigger.GenericSoundModel as an Api.
+    public static class Model {
+
+        private SoundTrigger.GenericSoundModel mGenericSoundModel;
+
+        /**
+         * @hide
+         */
+        Model(SoundTrigger.GenericSoundModel soundTriggerModel) {
+            mGenericSoundModel = soundTriggerModel;
+        }
+
+        /**
+         * Factory constructor to create a SoundModel instance for use with methods in this
+         * class.
+         */
+        public static Model create(UUID modelUuid, UUID vendorUuid, byte[] data) {
+            return new Model(new SoundTrigger.GenericSoundModel(modelUuid,
+                        vendorUuid, data));
+        }
+
+        public UUID getModelUuid() {
+            return mGenericSoundModel.uuid;
+        }
+
+        public UUID getVendorUuid() {
+            return mGenericSoundModel.vendorUuid;
+        }
+
+        public byte[] getModelData() {
+            return mGenericSoundModel.data;
+        }
+
+        /**
+         * @hide
+         */
+        SoundTrigger.GenericSoundModel getGenericSoundModel() {
+            return mGenericSoundModel;
+        }
+    }
+}
diff --git a/packages/DocumentsUI/AndroidManifest.xml b/packages/DocumentsUI/AndroidManifest.xml
index 6beef44..c3452d5 100644
--- a/packages/DocumentsUI/AndroidManifest.xml
+++ b/packages/DocumentsUI/AndroidManifest.xml
@@ -78,6 +78,16 @@
             </intent-filter>
         </activity>
 
+        <activity
+            android:name=".OpenExternalDirectoryActivity"
+            android:theme="@android:style/Theme.Translucent.NoTitleBar">
+            <intent-filter>
+                <action android:name="android.intent.action.OPEN_EXTERNAL_DIRECTORY" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <data android:scheme="file" />
+            </intent-filter>
+        </activity>
+
         <provider
             android:name=".RecentsProvider"
             android:authorities="com.android.documentsui.recents"
diff --git a/packages/DocumentsUI/res/values/strings.xml b/packages/DocumentsUI/res/values/strings.xml
index 5a9bc16..aefdc67 100644
--- a/packages/DocumentsUI/res/values/strings.xml
+++ b/packages/DocumentsUI/res/values/strings.xml
@@ -65,13 +65,9 @@
     <string name="menu_paste_from_clipboard">Paste</string>
 
     <!-- Menu item that reveals internal storage built into the device [CHAR LIMIT=24] -->
-    <string name="menu_advanced_show" product="nosdcard">Show internal storage</string>
-    <!-- Menu item that reveals SD cards built into the device [CHAR LIMIT=24] -->
-    <string name="menu_advanced_show" product="default">Show SD card</string>
+    <string name="menu_advanced_show">Show internal storage</string>
     <!-- Menu item that hides internal storage built into the device [CHAR LIMIT=24] -->
-    <string name="menu_advanced_hide" product="nosdcard">Hide internal storage</string>
-    <!-- Menu item that hides SD cards built into the device [CHAR LIMIT=24] -->
-    <string name="menu_advanced_hide" product="default">Hide SD card</string>
+    <string name="menu_advanced_hide">Hide internal storage</string>
 
     <!-- Menu item that reveals the sizes of displayed files [CHAR LIMIT=24] -->
     <string name="menu_file_size_show">Show file size</string>
@@ -196,4 +192,13 @@
     <string name="menu_rename">Rename</string>
     <!-- Toast shown when renaming document failed with an error [CHAR LIMIT=48] -->
     <string name="rename_error">Failed to rename document</string>
+
+    <!--  DO NOT TRANSLATE - final phrase has not been decided yet (b/26750152) -->
+    <string name="open_external_dialog_request">Grant <xliff:g id="appName" example="System Settings"><b>^1</b></xliff:g>
+        access to <xliff:g id="directory" example="Pictures"><i>^2</i></xliff:g> folder on
+        <xliff:g id="storage" example="SD Card"><i>^3</i></xliff:g>?</string>
+    <!-- Text in the button asking user to allow access to a given directory. -->
+    <string name="allow">Allow</string>
+    <!-- Text in the button asking user to deny access to a given directory. -->
+    <string name="deny">Deny</string>
 </resources>
diff --git a/packages/DocumentsUI/res/values/styles.xml b/packages/DocumentsUI/res/values/styles.xml
index d14631d..f4dfd73 100644
--- a/packages/DocumentsUI/res/values/styles.xml
+++ b/packages/DocumentsUI/res/values/styles.xml
@@ -45,4 +45,8 @@
         <item name="android:maxHeight">3dp</item>    
     </style>
 
+    <!--  TODO: use the proper dialog and/or inline if not overriding -->
+    <style name="AlertDialogTheme" parent="@style/Theme.AppCompat.Light.Dialog.Alert">
+    </style>
+
 </resources>
diff --git a/packages/DocumentsUI/src/com/android/documentsui/OpenExternalDirectoryActivity.java b/packages/DocumentsUI/src/com/android/documentsui/OpenExternalDirectoryActivity.java
new file mode 100644
index 0000000..5dc4f57
--- /dev/null
+++ b/packages/DocumentsUI/src/com/android/documentsui/OpenExternalDirectoryActivity.java
@@ -0,0 +1,289 @@
+/*
+ * Copyright (C) 2016 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 com.android.documentsui;
+
+import static android.os.Environment.isStandardDirectory;
+import static com.android.documentsui.Shared.DEBUG;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.List;
+
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.app.DialogFragment;
+import android.app.FragmentManager;
+import android.app.FragmentTransaction;
+import android.content.ContentProvider;
+import android.content.ContentProviderClient;
+import android.content.ContentResolver;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.DialogInterface.OnClickListener;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.content.pm.PackageManager.NameNotFoundException;
+import android.net.Uri;
+import android.os.Bundle;
+import android.os.RemoteException;
+import android.os.UserHandle;
+import android.os.storage.StorageManager;
+import android.os.storage.VolumeInfo;
+import android.provider.DocumentsContract;
+import android.text.TextUtils;
+import android.util.Log;
+
+/**
+ * Activity responsible for handling {@link Intent#ACTION_OPEN_EXTERNAL_DOCUMENT}.
+ */
+public class OpenExternalDirectoryActivity extends Activity {
+    private static final String TAG = "OpenExternalDirectoryActivity";
+    private static final String FM_TAG = "open_external_directory";
+    private static final String EXTERNAL_STORAGE_AUTH = "com.android.externalstorage.documents";
+    private static final String EXTRA_FILE = "com.android.documentsui.FILE";
+    private static final String EXTRA_APP_LABEL = "com.android.documentsui.APP_LABEL";
+    private static final String EXTRA_VOLUME_LABEL = "com.android.documentsui.VOLUME_LABEL";
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        final Intent intent = getIntent();
+        if (intent == null || intent.getData() == null) {
+            Log.d(TAG, "missing intent or intent data: " + intent);
+            setResult(RESULT_CANCELED);
+            finish();
+            return;
+        }
+
+        final String path = intent.getData().getPath();
+        final int userId = UserHandle.myUserId();
+        if (!showFragment(this, userId, path)) {
+            setResult(RESULT_CANCELED);
+            finish();
+            return;
+        }
+    }
+
+    /**
+     * Validates the given {@code path} and display the appropriate dialog asking the user to grant
+     * access to it.
+     */
+    static boolean showFragment(Activity activity, int userId, String path) {
+        Log.d(TAG, "showFragment() for path " + path + " and user " + userId);
+        if (path == null) {
+            Log.e(TAG, "INTERNAL ERROR: showFragment() with null path");
+            return false;
+        }
+        File file;
+        try {
+            file = new File(new File(path).getCanonicalPath());
+        } catch (IOException e) {
+            Log.e(TAG, "Could not get canonical file from " + path);
+            return false;
+        }
+        final StorageManager sm =
+                (StorageManager) activity.getSystemService(Context.STORAGE_SERVICE);
+
+        final String root = file.getParent();
+        final String directory = file.getName();
+
+        // Verify directory is valid.
+        if (TextUtils.isEmpty(directory) || !isStandardDirectory(directory)) {
+            Log.d(TAG, "Directory '" + directory + "' is not standard (full path: '" + path + "')");
+            return false;
+        }
+
+        // Gets volume label and converted path
+        String volumeLabel = null;
+        final List<VolumeInfo> volumes = sm.getVolumes();
+        if (DEBUG) Log.d(TAG, "Number of volumes: " + volumes.size());
+        for (VolumeInfo volume : volumes) {
+            if (isRightVolume(volume, root, userId)) {
+                final File internalRoot = volume.getInternalPathForUser(userId);
+                // Must convert path before calling getDocIdForFileCreateNewDir()
+                if (DEBUG) Log.d(TAG, "Converting " + root + " to " + internalRoot);
+                file = new File(internalRoot, directory);
+                volumeLabel = sm.getBestVolumeDescription(volume);
+                break;
+            }
+        }
+        if (volumeLabel == null) {
+            Log.e(TAG, "Could not get volume for " + path);
+            return false;
+        }
+
+        // Gets the package label.
+        final String appLabel = getAppLabel(activity);
+        if (appLabel == null) {
+            return false;
+        }
+
+        // Sets args that will be retrieve on onCreate()
+        final Bundle args = new Bundle();
+        args.putString(EXTRA_FILE, file.getAbsolutePath());
+        args.putString(EXTRA_VOLUME_LABEL, volumeLabel);
+        args.putString(EXTRA_APP_LABEL, appLabel);
+
+        final FragmentManager fm = activity.getFragmentManager();
+        final FragmentTransaction ft = fm.beginTransaction();
+        final OpenExternalDirectoryDialogFragment fragment =
+                new OpenExternalDirectoryDialogFragment();
+        fragment.setArguments(args);
+        ft.add(fragment, FM_TAG);
+        ft.commitAllowingStateLoss();
+
+        return true;
+    }
+
+    private static String getAppLabel(Activity activity) {
+        final String packageName = activity.getCallingPackage();
+        final PackageManager pm = activity.getPackageManager();
+        try {
+            return pm.getApplicationLabel(pm.getApplicationInfo(packageName, 0)).toString();
+        } catch (NameNotFoundException e) {
+            Log.w(TAG, "Could not get label for package " + packageName);
+            return null;
+        }
+    }
+
+    private static boolean isRightVolume(VolumeInfo volume, String root, int userId) {
+        final File userPath = volume.getPathForUser(userId);
+        final String path = userPath == null ? null : volume.getPathForUser(userId).getPath();
+        final boolean isVisible = volume.isVisibleForWrite(userId);
+        if (DEBUG) {
+            Log.d(TAG, "Volume: " + volume + " userId: " + userId + " root: " + root
+                    + " volumePath: " + volume.getPath().getPath()
+                    + " pathForUser: " + path
+                    + " internalPathForUser: " + volume.getInternalPath()
+                    + " isVisible: " + isVisible);
+        }
+        return volume.isVisibleForWrite(userId) && root.equals(path);
+    }
+
+    private static Intent createGrantedUriPermissionsIntent(ContentProviderClient provider,
+            File file) {
+        // Calls ExternalStorageProvider to get the doc id for the file
+        final Bundle bundle;
+        try {
+            bundle = provider.call("getDocIdForFileCreateNewDir", file.getPath(), null);
+        } catch (RemoteException e) {
+            Log.e(TAG, "Did not get doc id from External Storage provider for " + file, e);
+            return null;
+        }
+        final String docId = bundle == null ? null : bundle.getString("DOC_ID");
+        if (docId == null) {
+            Log.e(TAG, "Did not get doc id from External Storage provider for " + file);
+            return null;
+        }
+        Log.d(TAG, "doc id for " + file + ": " + docId);
+
+        final Uri uri = DocumentsContract.buildTreeDocumentUri(EXTERNAL_STORAGE_AUTH, docId);
+        if (uri == null) {
+            Log.e(TAG, "Could not get URI for doc id " + docId);
+            return null;
+        }
+
+        if (DEBUG) Log.d(TAG, "URI for " + file + ": " + uri);
+        final Intent intent = new Intent();
+        intent.setData(uri);
+        intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION
+                | Intent.FLAG_GRANT_WRITE_URI_PERMISSION
+                | Intent.FLAG_GRANT_PERSISTABLE_URI_PERMISSION
+                | Intent.FLAG_GRANT_PREFIX_URI_PERMISSION);
+        return intent;
+    }
+
+    private static class OpenExternalDirectoryDialogFragment extends DialogFragment {
+
+        private File mFile;
+        private String mVolumeLabel;
+        private String mAppLabel;
+        private ContentProviderClient mExternalStorageClient;
+        private ContentResolver mResolver;
+
+        @Override
+        public void onCreate(Bundle savedInstanceState) {
+            super.onCreate(savedInstanceState);
+            final Bundle args = getArguments();
+            if (args != null) {
+                mFile = new File(args.getString(EXTRA_FILE));
+                mVolumeLabel = args.getString(EXTRA_VOLUME_LABEL);
+                mAppLabel = args.getString(EXTRA_APP_LABEL);
+                mResolver = getContext().getContentResolver();
+            }
+        }
+
+        @Override
+        public void onDestroy() {
+            super.onDestroy();
+            if (mExternalStorageClient != null) {
+                mExternalStorageClient.close();
+            }
+        }
+
+        @Override
+        public Dialog onCreateDialog(Bundle savedInstanceState) {
+            final String folder = mFile.getName();
+            final Activity activity = getActivity();
+            final OnClickListener listener = new OnClickListener() {
+
+                @Override
+                public void onClick(DialogInterface dialog, int which) {
+                    Intent intent = null;
+                    if (which == DialogInterface.BUTTON_POSITIVE) {
+                        intent = createGrantedUriPermissionsIntent(getExternalStorageClient(),
+                                mFile);
+                    }
+                    if (which == DialogInterface.BUTTON_NEGATIVE || intent == null) {
+                        activity.setResult(RESULT_CANCELED);
+                    } else {
+                        activity.setResult(RESULT_OK, intent);
+                    }
+                    activity.finish();
+                }
+            };
+
+            final CharSequence message = TextUtils
+                    .expandTemplate(
+                            getText(R.string.open_external_dialog_request), mAppLabel, folder,
+                            mVolumeLabel);
+            return new AlertDialog.Builder(activity, R.style.AlertDialogTheme)
+                    .setMessage(message)
+                    .setPositiveButton(R.string.allow, listener)
+                    .setNegativeButton(R.string.deny, listener)
+                    .create();
+        }
+
+        @Override
+        public void onCancel(DialogInterface dialog) {
+            super.onCancel(dialog);
+            final Activity activity = getActivity();
+            activity.setResult(RESULT_CANCELED);
+            activity.finish();
+        }
+
+        private synchronized ContentProviderClient getExternalStorageClient() {
+            if (mExternalStorageClient == null) {
+                mExternalStorageClient =
+                        mResolver.acquireContentProviderClient(EXTERNAL_STORAGE_AUTH);
+            }
+            return mExternalStorageClient;
+        }
+    }
+}
diff --git a/packages/ExternalStorageProvider/src/com/android/externalstorage/ExternalStorageProvider.java b/packages/ExternalStorageProvider/src/com/android/externalstorage/ExternalStorageProvider.java
index 43527a2..1bfc19c 100644
--- a/packages/ExternalStorageProvider/src/com/android/externalstorage/ExternalStorageProvider.java
+++ b/packages/ExternalStorageProvider/src/com/android/externalstorage/ExternalStorageProvider.java
@@ -25,6 +25,7 @@
 import android.database.MatrixCursor.RowBuilder;
 import android.graphics.Point;
 import android.net.Uri;
+import android.os.Bundle;
 import android.os.CancellationSignal;
 import android.os.FileObserver;
 import android.os.FileUtils;
@@ -234,7 +235,13 @@
         return projection != null ? projection : DEFAULT_DOCUMENT_PROJECTION;
     }
 
+
     private String getDocIdForFile(File file) throws FileNotFoundException {
+        return getDocIdForFileMaybeCreate(file, false);
+    }
+
+    private String getDocIdForFileMaybeCreate(File file, boolean createNewDir)
+            throws FileNotFoundException {
         String path = file.getAbsolutePath();
 
         // Find the most-specific root path
@@ -266,6 +273,13 @@
             path = path.substring(rootPath.length() + 1);
         }
 
+        if (!file.exists() && createNewDir) {
+            Log.i(TAG, "Creating new directory " + file);
+            if (!file.mkdir()) {
+                Log.e(TAG, "Could not create directory " + file);
+            }
+        }
+
         return mostSpecificId + ':' + path;
     }
 
@@ -609,6 +623,34 @@
         }
     }
 
+    @Override
+    public Bundle call(String method, String arg, Bundle extras) {
+        Bundle bundle = super.call(method, arg, extras);
+        if (bundle == null && !TextUtils.isEmpty(method)) {
+            switch (method) {
+                case "getDocIdForFileCreateNewDir": {
+                    getContext().enforceCallingPermission(
+                            android.Manifest.permission.MANAGE_DOCUMENTS, null);
+                    if (TextUtils.isEmpty(arg)) {
+                        return null;
+                    }
+                    try {
+                        final String docId = getDocIdForFileMaybeCreate(new File(arg), true);
+                        bundle = new Bundle();
+                        bundle.putString("DOC_ID", docId);
+                    } catch (FileNotFoundException e) {
+                        Log.w(TAG, "file '" + arg + "' not found");
+                        return null;
+                    }
+                    break;
+                }
+                default:
+                    Log.w(TAG, "unknown method passed to call(): " + method);
+            }
+        }
+        return bundle;
+    }
+
     private static String getTypeForFile(File file) {
         if (file.isDirectory()) {
             return Document.MIME_TYPE_DIR;
diff --git a/packages/Keyguard/src/com/android/keyguard/EmergencyButton.java b/packages/Keyguard/src/com/android/keyguard/EmergencyButton.java
index cbf22c0..40c11cf 100644
--- a/packages/Keyguard/src/com/android/keyguard/EmergencyButton.java
+++ b/packages/Keyguard/src/com/android/keyguard/EmergencyButton.java
@@ -29,6 +29,7 @@
 import android.widget.Button;
 
 import com.android.internal.logging.MetricsLogger;
+import com.android.internal.logging.MetricsProto.MetricsEvent;
 import com.android.internal.telephony.IccCardConstants.State;
 import com.android.internal.widget.LockPatternUtils;
 
@@ -117,7 +118,7 @@
      * Shows the emergency dialer or returns the user to the existing call.
      */
     public void takeEmergencyCallAction() {
-        MetricsLogger.action(mContext, MetricsLogger.ACTION_EMERGENCY_CALL);
+        MetricsLogger.action(mContext, MetricsEvent.ACTION_EMERGENCY_CALL);
         // TODO: implement a shorter timeout once new PowerManager API is ready.
         // should be the equivalent to the old userActivity(EMERGENCY_CALL_TIMEOUT)
         mPowerManager.userActivity(SystemClock.uptimeMillis(), true);
diff --git a/packages/SystemUI/res/drawable/ic_qs_data_disabled.xml b/packages/SystemUI/res/drawable/ic_qs_data_disabled.xml
new file mode 100644
index 0000000..b4144a3
--- /dev/null
+++ b/packages/SystemUI/res/drawable/ic_qs_data_disabled.xml
@@ -0,0 +1,24 @@
+<!--
+    Copyright (C) 2016 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.
+-->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24.0dp"
+        android:height="24.0dp"
+        android:viewportWidth="40.0"
+        android:viewportHeight="40.0">
+    <path
+        android:fillColor="#FFFFFFFF"
+        android:pathData="M19.0,6.41L17.59,5.0 12.0,10.59 6.41,5.0 5.0,6.41 10.59,12.0 5.0,17.59 6.41,19.0 12.0,13.41 17.59,19.0 19.0,17.59 13.41,12.0z"/>
+</vector>
diff --git a/packages/SystemUI/res/drawable/stat_sys_data_disabled.xml b/packages/SystemUI/res/drawable/stat_sys_data_disabled.xml
new file mode 100644
index 0000000..4e2a024
--- /dev/null
+++ b/packages/SystemUI/res/drawable/stat_sys_data_disabled.xml
@@ -0,0 +1,24 @@
+<!--
+    Copyright (C) 2016 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.
+-->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="17.0dp"
+        android:height="17.0dp"
+        android:viewportWidth="40.0"
+        android:viewportHeight="40.0">
+    <path
+        android:fillColor="#FFFFFFFF"
+        android:pathData="M19.0,6.41L17.59,5.0 12.0,10.59 6.41,5.0 5.0,6.41 10.59,12.0 5.0,17.59 6.41,19.0 12.0,13.41 17.59,19.0 19.0,17.59 13.41,12.0z"/>
+</vector>
diff --git a/packages/SystemUI/res/values/dimens.xml b/packages/SystemUI/res/values/dimens.xml
index e245c24..8b0350a 100644
--- a/packages/SystemUI/res/values/dimens.xml
+++ b/packages/SystemUI/res/values/dimens.xml
@@ -137,6 +137,8 @@
     <dimen name="standard_notification_panel_width">416dp</dimen>
     <dimen name="notification_panel_width">@dimen/match_parent</dimen>
 
+    <dimen name="volume_dialog_panel_width">@dimen/standard_notification_panel_width</dimen>
+
     <!-- Gravity for the notification panel -->
     <integer name="standard_notification_panel_layout_gravity">0x31</integer><!-- top|center_horizontal -->
     <integer name="notification_panel_layout_gravity">0x37</integer><!-- fill_horizontal|top -->
diff --git a/packages/SystemUI/res/values/strings.xml b/packages/SystemUI/res/values/strings.xml
index 02158ac..a490635 100644
--- a/packages/SystemUI/res/values/strings.xml
+++ b/packages/SystemUI/res/values/strings.xml
@@ -359,6 +359,9 @@
     <!-- Content description of the data connection with no SIM for accessibility (not shown on the screen). [CHAR LIMIT=NONE] -->
     <string name="accessibility_no_sim">No SIM.</string>
 
+    <!-- Content description of the cell data being disabled. [CHAR LIMIT=NONE] -->
+    <string name="accessibility_cell_data_off">Cellular Data Off</string>
+
     <!-- Content description of the bluetooth tethering icon for accessibility (not shown on the screen). [CHAR LIMIT=NONE] -->
     <string name="accessibility_bluetooth_tether">Bluetooth tethering.</string>
 
diff --git a/packages/SystemUI/src/com/android/systemui/qs/QSTile.java b/packages/SystemUI/src/com/android/systemui/qs/QSTile.java
index 72629a3..20e2fa4 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/QSTile.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/QSTile.java
@@ -82,9 +82,8 @@
     /**
      * Declare the category of this tile.
      *
-     * Categories are defined in {@link com.android.internal.logging.MetricsLogger}
-     * or if there is no relevant existing category you may define one in
-     * {@link com.android.systemui.qs.QSTile}.
+     * Categories are defined in {@link com.android.internal.logging.MetricsProto.MetricsEvent}
+     * by editing frameworks/base/proto/src/metrics_constants.proto.
      */
     abstract public int getMetricsCategory();
 
diff --git a/packages/SystemUI/src/com/android/systemui/qs/customize/BlankCustomTile.java b/packages/SystemUI/src/com/android/systemui/qs/customize/BlankCustomTile.java
index ac4f05f..36bed0d 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/customize/BlankCustomTile.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/customize/BlankCustomTile.java
@@ -20,7 +20,9 @@
 import android.content.pm.PackageManager;
 import android.content.pm.ServiceInfo;
 import android.graphics.drawable.Drawable;
+
 import com.android.internal.logging.MetricsLogger;
+import com.android.internal.logging.MetricsProto.MetricsEvent;
 import com.android.systemui.R;
 import com.android.systemui.qs.QSTile;
 
@@ -84,6 +86,6 @@
 
     @Override
     public int getMetricsCategory() {
-        return MetricsLogger.QS_INTENT;
+        return MetricsEvent.QS_INTENT;
     }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/qs/external/CustomTile.java b/packages/SystemUI/src/com/android/systemui/qs/external/CustomTile.java
index d398b64..886531a 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/external/CustomTile.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/external/CustomTile.java
@@ -31,7 +31,9 @@
 import android.view.IWindowManager;
 import android.view.WindowManager;
 import android.view.WindowManagerGlobal;
+
 import com.android.internal.logging.MetricsLogger;
+import com.android.internal.logging.MetricsProto.MetricsEvent;
 import com.android.systemui.R;
 import com.android.systemui.qs.QSTile;
 import com.android.systemui.statusbar.phone.QSTileHost;
@@ -197,7 +199,7 @@
 
     @Override
     public int getMetricsCategory() {
-        return MetricsLogger.QS_CUSTOM;
+        return MetricsEvent.QS_CUSTOM;
     }
 
     public void startUnlockAndRun() {
diff --git a/packages/SystemUI/src/com/android/systemui/qs/tiles/AirplaneModeTile.java b/packages/SystemUI/src/com/android/systemui/qs/tiles/AirplaneModeTile.java
index c696f88..d78d6ff 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/tiles/AirplaneModeTile.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/tiles/AirplaneModeTile.java
@@ -24,6 +24,7 @@
 import android.provider.Settings.Global;
 
 import com.android.internal.logging.MetricsLogger;
+import com.android.internal.logging.MetricsProto.MetricsEvent;
 import com.android.systemui.R;
 import com.android.systemui.qs.GlobalSetting;
 import com.android.systemui.qs.QSTile;
@@ -85,7 +86,7 @@
 
     @Override
     public int getMetricsCategory() {
-        return MetricsLogger.QS_AIRPLANEMODE;
+        return MetricsEvent.QS_AIRPLANEMODE;
     }
 
     @Override
diff --git a/packages/SystemUI/src/com/android/systemui/qs/tiles/BatteryTile.java b/packages/SystemUI/src/com/android/systemui/qs/tiles/BatteryTile.java
index 60238fc3..fd8857d 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/tiles/BatteryTile.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/tiles/BatteryTile.java
@@ -25,7 +25,7 @@
 import android.widget.Checkable;
 import android.widget.ImageView;
 import android.widget.TextView;
-import com.android.internal.logging.MetricsLogger;
+import com.android.internal.logging.MetricsProto.MetricsEvent;
 import com.android.settingslib.BatteryInfo;
 import com.android.systemui.BatteryMeterDrawable;
 import com.android.systemui.R;
@@ -64,7 +64,7 @@
 
     @Override
     public int getMetricsCategory() {
-        return MetricsLogger.QS_BATTERY_TILE;
+        return MetricsEvent.QS_BATTERY_TILE;
     }
 
     @Override
@@ -199,7 +199,7 @@
 
         @Override
         public int getMetricsCategory() {
-            return MetricsLogger.QS_BATTERY_DETAIL;
+            return MetricsEvent.QS_BATTERY_DETAIL;
         }
     }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/qs/tiles/BluetoothTile.java b/packages/SystemUI/src/com/android/systemui/qs/tiles/BluetoothTile.java
index 3750290..6a07a07 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/tiles/BluetoothTile.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/tiles/BluetoothTile.java
@@ -24,7 +24,9 @@
 import android.text.TextUtils;
 import android.view.View;
 import android.view.ViewGroup;
+
 import com.android.internal.logging.MetricsLogger;
+import com.android.internal.logging.MetricsProto.MetricsEvent;
 import com.android.settingslib.bluetooth.CachedBluetoothDevice;
 import com.android.systemui.R;
 import com.android.systemui.qs.QSDetailItems;
@@ -127,7 +129,7 @@
 
     @Override
     public int getMetricsCategory() {
-        return MetricsLogger.QS_BLUETOOTH;
+        return MetricsEvent.QS_BLUETOOTH;
     }
 
     @Override
@@ -181,14 +183,14 @@
 
         @Override
         public void setToggleState(boolean state) {
-            MetricsLogger.action(mContext, MetricsLogger.QS_BLUETOOTH_TOGGLE, state);
+            MetricsLogger.action(mContext, MetricsEvent.QS_BLUETOOTH_TOGGLE, state);
             mController.setBluetoothEnabled(state);
             showDetail(false);
         }
 
         @Override
         public int getMetricsCategory() {
-            return MetricsLogger.QS_BLUETOOTH_DETAILS;
+            return MetricsEvent.QS_BLUETOOTH_DETAILS;
         }
 
         @Override
diff --git a/packages/SystemUI/src/com/android/systemui/qs/tiles/CastTile.java b/packages/SystemUI/src/com/android/systemui/qs/tiles/CastTile.java
index de4c21c..18eb7a1 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/tiles/CastTile.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/tiles/CastTile.java
@@ -23,7 +23,9 @@
 import android.view.View;
 import android.view.View.OnAttachStateChangeListener;
 import android.view.ViewGroup;
+
 import com.android.internal.logging.MetricsLogger;
+import com.android.internal.logging.MetricsProto.MetricsEvent;
 import com.android.systemui.R;
 import com.android.systemui.qs.QSDetailItems;
 import com.android.systemui.qs.QSDetailItems.Item;
@@ -125,7 +127,7 @@
 
     @Override
     public int getMetricsCategory() {
-        return MetricsLogger.QS_CAST;
+        return MetricsEvent.QS_CAST;
     }
 
     @Override
@@ -181,7 +183,7 @@
 
         @Override
         public int getMetricsCategory() {
-            return MetricsLogger.QS_CAST_DETAILS;
+            return MetricsEvent.QS_CAST_DETAILS;
         }
 
         @Override
@@ -255,7 +257,7 @@
         @Override
         public void onDetailItemClick(Item item) {
             if (item == null || item.tag == null) return;
-            MetricsLogger.action(mContext, MetricsLogger.QS_CAST_SELECT);
+            MetricsLogger.action(mContext, MetricsEvent.QS_CAST_SELECT);
             final CastDevice device = (CastDevice) item.tag;
             mController.startCasting(device);
         }
@@ -263,7 +265,7 @@
         @Override
         public void onDetailItemDisconnect(Item item) {
             if (item == null || item.tag == null) return;
-            MetricsLogger.action(mContext, MetricsLogger.QS_CAST_DISCONNECT);
+            MetricsLogger.action(mContext, MetricsEvent.QS_CAST_DISCONNECT);
             final CastDevice device = (CastDevice) item.tag;
             mController.stopCasting(device);
         }
diff --git a/packages/SystemUI/src/com/android/systemui/qs/tiles/CellularTile.java b/packages/SystemUI/src/com/android/systemui/qs/tiles/CellularTile.java
index 1f8fae0..aacdbc9 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/tiles/CellularTile.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/tiles/CellularTile.java
@@ -23,7 +23,9 @@
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+
 import com.android.internal.logging.MetricsLogger;
+import com.android.internal.logging.MetricsProto.MetricsEvent;
 import com.android.settingslib.net.DataUsageController;
 import com.android.systemui.R;
 import com.android.systemui.qs.QSIconView;
@@ -89,7 +91,7 @@
     protected void handleSecondaryClick() {
         boolean dataEnabled = mDataController.isMobileDataSupported()
                 && mDataController.isMobileDataEnabled();
-        MetricsLogger.action(mContext, MetricsLogger.QS_CELLULAR_TOGGLE, !dataEnabled);
+        MetricsLogger.action(mContext, MetricsEvent.QS_CELLULAR_TOGGLE, !dataEnabled);
         mDataController.setMobileDataEnabled(!dataEnabled);
     }
 
@@ -131,7 +133,7 @@
 
     @Override
     public int getMetricsCategory() {
-        return MetricsLogger.QS_CELLULAR;
+        return MetricsEvent.QS_CELLULAR;
     }
 
     // Remove the period from the network name
@@ -241,13 +243,13 @@
 
         @Override
         public void setToggleState(boolean state) {
-            MetricsLogger.action(mContext, MetricsLogger.QS_CELLULAR_TOGGLE, state);
+            MetricsLogger.action(mContext, MetricsEvent.QS_CELLULAR_TOGGLE, state);
             mDataController.setMobileDataEnabled(state);
         }
 
         @Override
         public int getMetricsCategory() {
-            return MetricsLogger.QS_DATAUSAGEDETAIL;
+            return MetricsEvent.QS_DATAUSAGEDETAIL;
         }
 
         @Override
diff --git a/packages/SystemUI/src/com/android/systemui/qs/tiles/ColorInversionTile.java b/packages/SystemUI/src/com/android/systemui/qs/tiles/ColorInversionTile.java
index 23a15b9..6e843e9 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/tiles/ColorInversionTile.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/tiles/ColorInversionTile.java
@@ -17,7 +17,9 @@
 package com.android.systemui.qs.tiles;
 
 import android.provider.Settings.Secure;
+
 import com.android.internal.logging.MetricsLogger;
+import com.android.internal.logging.MetricsProto.MetricsEvent;
 import com.android.systemui.R;
 import com.android.systemui.qs.QSTile;
 import com.android.systemui.qs.SecureSetting;
@@ -84,7 +86,7 @@
 
     @Override
     public int getMetricsCategory() {
-        return MetricsLogger.QS_COLORINVERSION;
+        return MetricsEvent.QS_COLORINVERSION;
     }
 
     @Override
diff --git a/packages/SystemUI/src/com/android/systemui/qs/tiles/DndTile.java b/packages/SystemUI/src/com/android/systemui/qs/tiles/DndTile.java
index 39eda6b..1f9f1c4 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/tiles/DndTile.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/tiles/DndTile.java
@@ -30,7 +30,9 @@
 import android.view.View.OnAttachStateChangeListener;
 import android.view.ViewGroup;
 import android.widget.Toast;
+
 import com.android.internal.logging.MetricsLogger;
+import com.android.internal.logging.MetricsProto.MetricsEvent;
 import com.android.systemui.Prefs;
 import com.android.systemui.R;
 import com.android.systemui.SysUIToast;
@@ -154,7 +156,7 @@
 
     @Override
     public int getMetricsCategory() {
-        return MetricsLogger.QS_DND;
+        return MetricsEvent.QS_DND;
     }
 
     @Override
@@ -229,7 +231,7 @@
 
         @Override
         public void setToggleState(boolean state) {
-            MetricsLogger.action(mContext, MetricsLogger.QS_DND_TOGGLE, state);
+            MetricsLogger.action(mContext, MetricsEvent.QS_DND_TOGGLE, state);
             if (!state) {
                 mController.setZen(Global.ZEN_MODE_OFF, null, TAG);
                 showDetail(false);
@@ -238,7 +240,7 @@
 
         @Override
         public int getMetricsCategory() {
-            return MetricsLogger.QS_DND_DETAILS;
+            return MetricsEvent.QS_DND_DETAILS;
         }
 
         @Override
diff --git a/packages/SystemUI/src/com/android/systemui/qs/tiles/FlashlightTile.java b/packages/SystemUI/src/com/android/systemui/qs/tiles/FlashlightTile.java
index 39d9da1..1d9f15b 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/tiles/FlashlightTile.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/tiles/FlashlightTile.java
@@ -17,7 +17,9 @@
 package com.android.systemui.qs.tiles;
 
 import android.app.ActivityManager;
+
 import com.android.internal.logging.MetricsLogger;
+import com.android.internal.logging.MetricsProto.MetricsEvent;
 import com.android.systemui.R;
 import com.android.systemui.qs.QSTile;
 import com.android.systemui.statusbar.policy.FlashlightController;
@@ -92,7 +94,7 @@
 
     @Override
     public int getMetricsCategory() {
-        return MetricsLogger.QS_FLASHLIGHT;
+        return MetricsEvent.QS_FLASHLIGHT;
     }
 
     @Override
diff --git a/packages/SystemUI/src/com/android/systemui/qs/tiles/HotspotTile.java b/packages/SystemUI/src/com/android/systemui/qs/tiles/HotspotTile.java
index 55aa32b..db86047 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/tiles/HotspotTile.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/tiles/HotspotTile.java
@@ -17,6 +17,7 @@
 package com.android.systemui.qs.tiles;
 
 import com.android.internal.logging.MetricsLogger;
+import com.android.internal.logging.MetricsProto.MetricsEvent;
 import com.android.systemui.R;
 import com.android.systemui.qs.QSTile;
 import com.android.systemui.statusbar.policy.HotspotController;
@@ -75,7 +76,7 @@
 
     @Override
     public int getMetricsCategory() {
-        return MetricsLogger.QS_HOTSPOT;
+        return MetricsEvent.QS_HOTSPOT;
     }
 
     @Override
diff --git a/packages/SystemUI/src/com/android/systemui/qs/tiles/IntentTile.java b/packages/SystemUI/src/com/android/systemui/qs/tiles/IntentTile.java
index 0883445..e1dc9f2 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/tiles/IntentTile.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/tiles/IntentTile.java
@@ -30,6 +30,7 @@
 import android.util.Log;
 
 import com.android.internal.logging.MetricsLogger;
+import com.android.internal.logging.MetricsProto.MetricsEvent;
 import com.android.systemui.qs.QSTile;
 
 import java.util.Arrays;
@@ -155,7 +156,7 @@
 
     @Override
     public int getMetricsCategory() {
-        return MetricsLogger.QS_INTENT;
+        return MetricsEvent.QS_INTENT;
     }
 
     private final BroadcastReceiver mReceiver = new BroadcastReceiver() {
diff --git a/packages/SystemUI/src/com/android/systemui/qs/tiles/LocationTile.java b/packages/SystemUI/src/com/android/systemui/qs/tiles/LocationTile.java
index e79aabf..724659c 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/tiles/LocationTile.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/tiles/LocationTile.java
@@ -17,6 +17,7 @@
 package com.android.systemui.qs.tiles;
 
 import com.android.internal.logging.MetricsLogger;
+import com.android.internal.logging.MetricsProto.MetricsEvent;
 import com.android.systemui.R;
 import com.android.systemui.qs.QSTile;
 import com.android.systemui.statusbar.policy.KeyguardMonitor;
@@ -99,7 +100,7 @@
 
     @Override
     public int getMetricsCategory() {
-        return MetricsLogger.QS_LOCATION;
+        return MetricsEvent.QS_LOCATION;
     }
 
     @Override
diff --git a/packages/SystemUI/src/com/android/systemui/qs/tiles/RotationLockTile.java b/packages/SystemUI/src/com/android/systemui/qs/tiles/RotationLockTile.java
index 79155b2..f920d48 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/tiles/RotationLockTile.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/tiles/RotationLockTile.java
@@ -18,7 +18,9 @@
 
 import android.content.Context;
 import android.content.res.Configuration;
+
 import com.android.internal.logging.MetricsLogger;
+import com.android.internal.logging.MetricsProto.MetricsEvent;
 import com.android.systemui.R;
 import com.android.systemui.qs.QSTile;
 import com.android.systemui.statusbar.policy.RotationLockController;
@@ -108,7 +110,7 @@
 
     @Override
     public int getMetricsCategory() {
-        return MetricsLogger.QS_ROTATIONLOCK;
+        return MetricsEvent.QS_ROTATIONLOCK;
     }
 
     /**
diff --git a/packages/SystemUI/src/com/android/systemui/qs/tiles/UserDetailView.java b/packages/SystemUI/src/com/android/systemui/qs/tiles/UserDetailView.java
index b44ef0b..2c8a478 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/tiles/UserDetailView.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/tiles/UserDetailView.java
@@ -24,6 +24,7 @@
 import android.view.ViewGroup;
 
 import com.android.internal.logging.MetricsLogger;
+import com.android.internal.logging.MetricsProto.MetricsEvent;
 import com.android.settingslib.RestrictedLockUtils;
 import com.android.systemui.R;
 import com.android.systemui.qs.PseudoGridView;
@@ -94,7 +95,7 @@
                         mContext, tag.enforcedAdmin);
                 mController.startActivity(intent);
             } else {
-                MetricsLogger.action(mContext, MetricsLogger.QS_SWITCH_USER);
+                MetricsLogger.action(mContext, MetricsEvent.QS_SWITCH_USER);
                 switchTo(tag);
             }
         }
diff --git a/packages/SystemUI/src/com/android/systemui/qs/tiles/UserTile.java b/packages/SystemUI/src/com/android/systemui/qs/tiles/UserTile.java
index d29cae4..6eb0646 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/tiles/UserTile.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/tiles/UserTile.java
@@ -18,7 +18,7 @@
 import android.content.Context;
 import android.graphics.drawable.Drawable;
 import android.util.Pair;
-import com.android.internal.logging.MetricsLogger;
+import com.android.internal.logging.MetricsProto.MetricsEvent;
 import com.android.systemui.qs.QSTile;
 import com.android.systemui.statusbar.policy.UserInfoController;
 import com.android.systemui.statusbar.policy.UserSwitcherController;
@@ -52,7 +52,7 @@
 
     @Override
     public int getMetricsCategory() {
-        return MetricsLogger.QS_USER_TILE;
+        return MetricsEvent.QS_USER_TILE;
     }
 
     @Override
diff --git a/packages/SystemUI/src/com/android/systemui/qs/tiles/WifiTile.java b/packages/SystemUI/src/com/android/systemui/qs/tiles/WifiTile.java
index 95ea3f8..42296f2 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/tiles/WifiTile.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/tiles/WifiTile.java
@@ -24,7 +24,9 @@
 import android.util.Log;
 import android.view.View;
 import android.view.ViewGroup;
+
 import com.android.internal.logging.MetricsLogger;
+import com.android.internal.logging.MetricsProto.MetricsEvent;
 import com.android.settingslib.wifi.AccessPoint;
 import com.android.systemui.R;
 import com.android.systemui.qs.QSDetailItems;
@@ -162,7 +164,7 @@
 
     @Override
     public int getMetricsCategory() {
-        return MetricsLogger.QS_WIFI;
+        return MetricsEvent.QS_WIFI;
     }
 
     @Override
@@ -256,14 +258,14 @@
         @Override
         public void setToggleState(boolean state) {
             if (DEBUG) Log.d(TAG, "setToggleState " + state);
-            MetricsLogger.action(mContext, MetricsLogger.QS_WIFI_TOGGLE, state);
+            MetricsLogger.action(mContext, MetricsEvent.QS_WIFI_TOGGLE, state);
             mController.setWifiEnabled(state);
             showDetail(false);
         }
 
         @Override
         public int getMetricsCategory() {
-            return MetricsLogger.QS_WIFI_DETAILS;
+            return MetricsEvent.QS_WIFI_DETAILS;
         }
 
         @Override
diff --git a/packages/SystemUI/src/com/android/systemui/qs/tiles/WorkModeTile.java b/packages/SystemUI/src/com/android/systemui/qs/tiles/WorkModeTile.java
index 34ed37b..508490f 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/tiles/WorkModeTile.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/tiles/WorkModeTile.java
@@ -24,7 +24,9 @@
 import android.content.pm.UserInfo;
 import android.os.UserHandle;
 import android.os.UserManager;
+
 import com.android.internal.logging.MetricsLogger;
+import com.android.internal.logging.MetricsProto.MetricsEvent;
 import com.android.systemui.R;
 import com.android.systemui.qs.QSTile;
 
@@ -124,7 +126,7 @@
 
     @Override
     public int getMetricsCategory() {
-        return MetricsLogger.QS_WORKMODE;
+        return MetricsEvent.QS_WORKMODE;
     }
 
     @Override
diff --git a/packages/SystemUI/src/com/android/systemui/recents/RecentsActivity.java b/packages/SystemUI/src/com/android/systemui/recents/RecentsActivity.java
index 189e8d3..fa30eed 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/RecentsActivity.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/RecentsActivity.java
@@ -37,7 +37,9 @@
 import android.view.ViewStub;
 import android.view.ViewTreeObserver;
 import android.view.WindowManager;
+
 import com.android.internal.logging.MetricsLogger;
+import com.android.internal.logging.MetricsProto.MetricsEvent;
 import com.android.systemui.R;
 import com.android.systemui.recents.events.EventBus;
 import com.android.systemui.recents.events.activity.AppWidgetProviderChangedEvent;
@@ -402,7 +404,7 @@
         SystemServicesProxy ssp = Recents.getSystemServices();
         EventBus.getDefault().send(new RecentsVisibilityChangedEvent(this, ssp, true));
 
-        MetricsLogger.visible(this, MetricsLogger.OVERVIEW_ACTIVITY);
+        MetricsLogger.visible(this, MetricsEvent.OVERVIEW_ACTIVITY);
 
         mRecentsView.getViewTreeObserver().addOnPreDrawListener(
                 new ViewTreeObserver.OnPreDrawListener() {
@@ -460,7 +462,7 @@
         launchState.launchedHasConfigurationChanged = false;
         launchState.launchedViaDragGesture = false;
 
-        MetricsLogger.hidden(this, MetricsLogger.OVERVIEW_ACTIVITY);
+        MetricsLogger.hidden(this, MetricsEvent.OVERVIEW_ACTIVITY);
     }
 
     @Override
@@ -633,7 +635,7 @@
             // Focus the next task
             EventBus.getDefault().send(new FocusNextTaskViewEvent(timerIndicatorDuration));
 
-            MetricsLogger.action(this, MetricsLogger.ACTION_OVERVIEW_PAGE);
+            MetricsLogger.action(this, MetricsEvent.ACTION_OVERVIEW_PAGE);
         }
     }
 
diff --git a/packages/SystemUI/src/com/android/systemui/recents/history/RecentsHistoryAdapter.java b/packages/SystemUI/src/com/android/systemui/recents/history/RecentsHistoryAdapter.java
index f6655c7..4000991 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/history/RecentsHistoryAdapter.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/history/RecentsHistoryAdapter.java
@@ -26,7 +26,9 @@
 import android.view.ViewGroup;
 import android.widget.ImageView;
 import android.widget.TextView;
+
 import com.android.internal.logging.MetricsLogger;
+import com.android.internal.logging.MetricsProto.MetricsEvent;
 import com.android.systemui.R;
 import com.android.systemui.recents.Recents;
 import com.android.systemui.recents.events.EventBus;
@@ -132,7 +134,7 @@
             ssp.startActivityFromRecents(v.getContext(), task.key.id, task.title,
                     ActivityOptions.makeBasic());
 
-            MetricsLogger.action(v.getContext(), MetricsLogger.ACTION_OVERVIEW_SELECT,
+            MetricsLogger.action(v.getContext(), MetricsEvent.ACTION_OVERVIEW_SELECT,
                     task.key.getComponent().toString());
         }
 
diff --git a/packages/SystemUI/src/com/android/systemui/recents/history/RecentsHistoryView.java b/packages/SystemUI/src/com/android/systemui/recents/history/RecentsHistoryView.java
index 39bb6ca..b9921b6 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/history/RecentsHistoryView.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/history/RecentsHistoryView.java
@@ -28,7 +28,9 @@
 import android.view.animation.AnimationUtils;
 import android.view.animation.Interpolator;
 import android.widget.LinearLayout;
+
 import com.android.internal.logging.MetricsLogger;
+import com.android.internal.logging.MetricsProto.MetricsEvent;
 import com.android.systemui.R;
 import com.android.systemui.recents.Recents;
 import com.android.systemui.recents.RecentsActivity;
@@ -101,7 +103,7 @@
         mAdapter.updateTasks(getContext(), stack);
         mIsVisible = true;
 
-        MetricsLogger.visible(mRecyclerView.getContext(), MetricsLogger.OVERVIEW_HISTORY);
+        MetricsLogger.visible(mRecyclerView.getContext(), MetricsEvent.OVERVIEW_HISTORY);
     }
 
     /**
@@ -133,7 +135,7 @@
         }
         mIsVisible = false;
 
-        MetricsLogger.hidden(mRecyclerView.getContext(), MetricsLogger.OVERVIEW_HISTORY);
+        MetricsLogger.hidden(mRecyclerView.getContext(), MetricsEvent.OVERVIEW_HISTORY);
     }
 
     /**
diff --git a/packages/SystemUI/src/com/android/systemui/recents/views/RecentsView.java b/packages/SystemUI/src/com/android/systemui/recents/views/RecentsView.java
index e448101..a00b497 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/views/RecentsView.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/views/RecentsView.java
@@ -34,7 +34,9 @@
 import android.view.animation.Interpolator;
 import android.widget.FrameLayout;
 import android.widget.TextView;
+
 import com.android.internal.logging.MetricsLogger;
+import com.android.internal.logging.MetricsProto.MetricsEvent;
 import com.android.systemui.R;
 import com.android.systemui.recents.Recents;
 import com.android.systemui.recents.RecentsActivity;
@@ -537,8 +539,7 @@
                                 }
                             }));
 
-            MetricsLogger.action(mContext,
-                    MetricsLogger.ACTION_WINDOW_DOCK_DRAG_DROP);
+            MetricsLogger.action(mContext, MetricsEvent.ACTION_WINDOW_DOCK_DRAG_DROP);
         } else {
             // Animate the overlay alpha back to 0
             updateVisibleDockRegions(null, true /* isDefaultDockState */, -1,
diff --git a/packages/SystemUI/src/com/android/systemui/settings/BrightnessController.java b/packages/SystemUI/src/com/android/systemui/settings/BrightnessController.java
index 77c27fa..d5131be 100644
--- a/packages/SystemUI/src/com/android/systemui/settings/BrightnessController.java
+++ b/packages/SystemUI/src/com/android/systemui/settings/BrightnessController.java
@@ -31,6 +31,7 @@
 import android.widget.ImageView;
 
 import com.android.internal.logging.MetricsLogger;
+import com.android.internal.logging.MetricsProto.MetricsEvent;
 
 import java.util.ArrayList;
 
@@ -205,7 +206,7 @@
         if (!mAutomatic) {
             final int val = value + mMinimumBacklight;
             if (stopTracking) {
-                MetricsLogger.action(mContext, MetricsLogger.ACTION_BRIGHTNESS, val);
+                MetricsLogger.action(mContext, MetricsEvent.ACTION_BRIGHTNESS, val);
             }
             setBrightness(val);
             if (!tracking) {
@@ -220,7 +221,7 @@
         } else {
             final float adj = value / (BRIGHTNESS_ADJ_RESOLUTION / 2f) - 1;
             if (stopTracking) {
-                MetricsLogger.action(mContext, MetricsLogger.ACTION_BRIGHTNESS_AUTO, value);
+                MetricsLogger.action(mContext, MetricsEvent.ACTION_BRIGHTNESS_AUTO, value);
             }
             setBrightnessAdj(adj);
             if (!tracking) {
diff --git a/packages/SystemUI/src/com/android/systemui/settings/BrightnessDialog.java b/packages/SystemUI/src/com/android/systemui/settings/BrightnessDialog.java
index cef4d34..4952234 100644
--- a/packages/SystemUI/src/com/android/systemui/settings/BrightnessDialog.java
+++ b/packages/SystemUI/src/com/android/systemui/settings/BrightnessDialog.java
@@ -25,6 +25,7 @@
 import android.widget.ImageView;
 
 import com.android.internal.logging.MetricsLogger;
+import com.android.internal.logging.MetricsProto.MetricsEvent;
 import com.android.systemui.R;
 
 /** A dialog that provides controls for adjusting the screen brightness. */
@@ -53,13 +54,13 @@
     protected void onStart() {
         super.onStart();
         mBrightnessController.registerCallbacks();
-        MetricsLogger.visible(this, MetricsLogger.BRIGHTNESS_DIALOG);
+        MetricsLogger.visible(this, MetricsEvent.BRIGHTNESS_DIALOG);
     }
 
     @Override
     protected void onStop() {
         super.onStop();
-        MetricsLogger.hidden(this, MetricsLogger.BRIGHTNESS_DIALOG);
+        MetricsLogger.hidden(this, MetricsEvent.BRIGHTNESS_DIALOG);
         mBrightnessController.unregisterCallbacks();
     }
 
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java b/packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java
index efa56bc..5359dd2 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java
@@ -81,7 +81,9 @@
 import android.widget.RemoteViews;
 import android.widget.TextView;
 import android.widget.Toast;
+
 import com.android.internal.logging.MetricsLogger;
+import com.android.internal.logging.MetricsProto.MetricsEvent;
 import com.android.internal.statusbar.IStatusBarService;
 import com.android.internal.statusbar.StatusBarIcon;
 import com.android.internal.util.NotificationColorUtil;
@@ -947,7 +949,7 @@
             final int appUidF = appUid;
             settingsButton.setOnClickListener(new View.OnClickListener() {
                 public void onClick(View v) {
-                    MetricsLogger.action(mContext, MetricsLogger.ACTION_NOTE_INFO);
+                    MetricsLogger.action(mContext, MetricsEvent.ACTION_NOTE_INFO);
                     startAppNotificationSettingsActivity(pkg, appUidF);
                 }
             });
@@ -994,7 +996,7 @@
                     return false;
                 }
 
-                MetricsLogger.action(mContext, MetricsLogger.ACTION_NOTE_CONTROLS);
+                MetricsLogger.action(mContext, MetricsEvent.ACTION_NOTE_CONTROLS);
 
                 // ensure that it's layouted but not visible until actually laid out
                 guts.setVisibility(View.INVISIBLE);
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarGestureHelper.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarGestureHelper.java
index 92288a3..786e64d 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarGestureHelper.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarGestureHelper.java
@@ -27,6 +27,7 @@
 import android.view.ViewConfiguration;
 
 import com.android.internal.logging.MetricsLogger;
+import com.android.internal.logging.MetricsProto.MetricsEvent;
 import com.android.systemui.R;
 import com.android.systemui.RecentsComponent;
 import com.android.systemui.stackdivider.Divider;
@@ -218,8 +219,7 @@
                         mDivider.getView().startDragging(false /* animate */, true /* touching*/);
                     }
                     mDockWindowTouchSlopExceeded = true;
-                    MetricsLogger.action(mContext,
-                            MetricsLogger.ACTION_WINDOW_DOCK_SWIPE);
+                    MetricsLogger.action(mContext, MetricsEvent.ACTION_WINDOW_DOCK_SWIPE);
 
                     return true;
                 }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarInflaterView.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarInflaterView.java
index 7395a33..ba08ee7 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarInflaterView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarInflaterView.java
@@ -14,6 +14,7 @@
 
 package com.android.systemui.statusbar.phone;
 
+import android.annotation.Nullable;
 import android.content.Context;
 import android.content.res.Configuration;
 import android.content.res.Resources;
@@ -37,20 +38,20 @@
 
     public static final String NAV_BAR_VIEWS = "sysui_nav_bar";
 
-    private static final String MENU_IME = "menu_ime";
-    private static final String BACK = "back";
-    private static final String HOME = "home";
-    private static final String RECENT = "recent";
-    private static final String NAVSPACE = "space";
+    protected static final String MENU_IME = "menu_ime";
+    protected static final String BACK = "back";
+    protected static final String HOME = "home";
+    protected static final String RECENT = "recent";
+    protected static final String NAVSPACE = "space";
 
     public static final String GRAVITY_SEPARATOR = ";";
     public static final String BUTTON_SEPARATOR = ",";
 
-    private final LayoutInflater mLayoutInflater;
-    private final LayoutInflater mLandscapeInflater;
+    protected final LayoutInflater mLayoutInflater;
+    protected final LayoutInflater mLandscapeInflater;
 
-    private FrameLayout mRot0;
-    private FrameLayout mRot90;
+    protected FrameLayout mRot0;
+    protected FrameLayout mRot90;
     private SparseArray<ButtonDispatcher> mButtonDispatchers;
     private String mCurrentLayout;
 
@@ -72,7 +73,7 @@
         inflateLayout(getDefaultLayout());
     }
 
-    private String getDefaultLayout() {
+    protected String getDefaultLayout() {
         return mContext.getString(R.string.config_navBarLayout);
     }
 
@@ -128,9 +129,9 @@
         }
     }
 
-    private void inflateLayout(String newLayout) {
+    protected void inflateLayout(String newLayout) {
         mCurrentLayout = newLayout;
-        String[] sets = newLayout.split(GRAVITY_SEPARATOR);
+        String[] sets = newLayout.split(GRAVITY_SEPARATOR, 3);
         String[] start = sets[0].split(BUTTON_SEPARATOR);
         String[] center = sets[1].split(BUTTON_SEPARATOR);
         String[] end = sets[2].split(BUTTON_SEPARATOR);
@@ -165,6 +166,8 @@
     }
 
     private void copyToLightsout(View view, ViewGroup lightsOutParent) {
+        if (view == null) return;
+
         if (view instanceof FrameLayout) {
             // The only ViewGroup we support in here is a FrameLayout, so copy those manually.
             FrameLayout original = (FrameLayout) view;
@@ -202,35 +205,33 @@
         return new LayoutParams(layoutParams.width, layoutParams.height);
     }
 
-    private View inflateButton(String button, ViewGroup parent, boolean landscape) {
-        View v = null;
+    @Nullable
+    protected View inflateButton(String button, ViewGroup parent, boolean landscape) {
+        View v;
+        LayoutInflater inflater = landscape ? mLandscapeInflater : mLayoutInflater;
         if (HOME.equals(button)) {
-            v = (landscape ? mLandscapeInflater : mLayoutInflater)
-                    .inflate(R.layout.home, parent, false);
+            v = inflater.inflate(R.layout.home, parent, false);
             if (landscape && isSw600Dp()) {
                 setupLandButton(v);
             }
         } else if (BACK.equals(button)) {
-            v = (landscape ? mLandscapeInflater : mLayoutInflater)
-                    .inflate(R.layout.back, parent, false);
+            v = inflater.inflate(R.layout.back, parent, false);
             if (landscape && isSw600Dp()) {
                 setupLandButton(v);
             }
         } else if (RECENT.equals(button)) {
-            v = (landscape ? mLandscapeInflater : mLayoutInflater)
-                    .inflate(R.layout.recent_apps, parent, false);
+            v = inflater.inflate(R.layout.recent_apps, parent, false);
             if (landscape && isSw600Dp()) {
                 setupLandButton(v);
             }
         } else if (MENU_IME.equals(button)) {
-            v = (landscape ? mLandscapeInflater : mLayoutInflater)
-                    .inflate(R.layout.menu_ime, parent, false);
+            v = inflater.inflate(R.layout.menu_ime, parent, false);
         } else if (NAVSPACE.equals(button)) {
-            v = (landscape ? mLandscapeInflater : mLayoutInflater)
-                    .inflate(R.layout.nav_key_space, parent, false);
+            v = inflater.inflate(R.layout.nav_key_space, parent, false);
         } else {
-            throw new IllegalArgumentException("Unknown button " + button);
+            return null;
         }
+
         parent.addView(v);
         addToDispatchers(v);
         return v;
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
index 6fa1f5df..f2dea3c 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
@@ -94,6 +94,7 @@
 import android.widget.TextView;
 
 import com.android.internal.logging.MetricsLogger;
+import com.android.internal.logging.MetricsProto.MetricsEvent;
 import com.android.internal.statusbar.NotificationVisibility;
 import com.android.internal.statusbar.StatusBarIcon;
 import com.android.keyguard.KeyguardHostView.OnDismissAction;
@@ -752,7 +753,7 @@
         mDismissView.setOnButtonClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
-                MetricsLogger.action(mContext, MetricsLogger.ACTION_DISMISS_ALL_NOTES);
+                MetricsLogger.action(mContext, MetricsEvent.ACTION_DISMISS_ALL_NOTES);
                 clearAllNotifications();
             }
         });
@@ -1122,8 +1123,7 @@
                         ActivityManager.DOCKED_STACK_CREATE_MODE_TOP_OR_LEFT,
                         initialBounds);
                 if (docked) {
-                    MetricsLogger.action(mContext,
-                            MetricsLogger.ACTION_WINDOW_DOCK_LONGPRESS);
+                    MetricsLogger.action(mContext, MetricsEvent.ACTION_WINDOW_DOCK_LONGPRESS);
                     return true;
                 }
             }
@@ -1138,7 +1138,7 @@
             if (shouldDisableNavbarGestures()) {
                 return false;
             }
-            MetricsLogger.action(mContext, MetricsLogger.ACTION_ASSIST_LONG_PRESS);
+            MetricsLogger.action(mContext, MetricsEvent.ACTION_ASSIST_LONG_PRESS);
             mAssistManager.startAssist(new Bundle() /* args */);
             awakenDreams();
             if (mNavigationBarView != null) {
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/policy/MobileSignalController.java b/packages/SystemUI/src/com/android/systemui/statusbar/policy/MobileSignalController.java
index ad8e3bd..8fd4d9c 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/policy/MobileSignalController.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/policy/MobileSignalController.java
@@ -206,7 +206,8 @@
 
         // Show icon in QS when we are connected or need to show roaming.
         boolean showDataIcon = mCurrentState.dataConnected
-                || mCurrentState.iconGroup == TelephonyIcons.ROAMING;
+                || mCurrentState.iconGroup == TelephonyIcons.ROAMING
+                || mCurrentState.iconGroup == TelephonyIcons.DATA_DISABLED;
         IconState statusIcon = new IconState(mCurrentState.enabled && !mCurrentState.airplaneMode,
                 getCurrentIconId(), contentDescription);
 
@@ -227,7 +228,8 @@
                         && !mCurrentState.carrierNetworkChangeMode
                         && mCurrentState.activityOut;
         showDataIcon &= mCurrentState.isDefault
-                || mCurrentState.iconGroup == TelephonyIcons.ROAMING;
+                || mCurrentState.iconGroup == TelephonyIcons.ROAMING
+                || mCurrentState.iconGroup == TelephonyIcons.DATA_DISABLED;
         int typeIcon = showDataIcon ? icons.mDataType : 0;
         mCallbackHandler.setMobileDataIndicators(statusIcon, qsIcon, typeIcon, qsTypeIcon,
                 activityIn, activityOut, dataContentDescription, description, icons.mIsWide,
@@ -385,6 +387,8 @@
             mCurrentState.iconGroup = TelephonyIcons.CARRIER_NETWORK_CHANGE;
         } else if (isRoaming()) {
             mCurrentState.iconGroup = TelephonyIcons.ROAMING;
+        } else if (isDataDisabled()) {
+            mCurrentState.iconGroup = TelephonyIcons.DATA_DISABLED;
         }
         if (isEmergencyOnly() != mCurrentState.isEmergency) {
             mCurrentState.isEmergency = isEmergencyOnly();
@@ -399,6 +403,10 @@
         notifyListenersIfNecessary();
     }
 
+    private boolean isDataDisabled() {
+        return !mPhone.getDataEnabled(mSubscriptionInfo.getSubscriptionId());
+    }
+
     @VisibleForTesting
     void setActivity(int activity) {
         mCurrentState.activityIn = activity == TelephonyManager.DATA_ACTIVITY_INOUT
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/policy/TelephonyIcons.java b/packages/SystemUI/src/com/android/systemui/statusbar/policy/TelephonyIcons.java
index 83e0446..6ff8f77 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/policy/TelephonyIcons.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/policy/TelephonyIcons.java
@@ -208,6 +208,8 @@
     static final int ICON_CARRIER_NETWORK_CHANGE =
             R.drawable.stat_sys_signal_carrier_network_change_animation;
 
+    static final int ICON_DATA_DISABLED = R.drawable.stat_sys_data_disabled;
+
     static final int QS_ICON_LTE = R.drawable.ic_qs_signal_lte;
     static final int QS_ICON_3G = R.drawable.ic_qs_signal_3g;
     static final int QS_ICON_4G = R.drawable.ic_qs_signal_4g;
@@ -215,6 +217,8 @@
     static final int QS_ICON_CARRIER_NETWORK_CHANGE =
             R.drawable.ic_qs_signal_carrier_network_change_animation;
 
+    static final int QS_ICON_DATA_DISABLED = R.drawable.ic_qs_data_disabled;
+
     static final MobileIconGroup CARRIER_NETWORK_CHANGE = new MobileIconGroup(
             "CARRIER_NETWORK_CHANGE",
             TelephonyIcons.TELEPHONY_CARRIER_NETWORK_CHANGE,
@@ -373,5 +377,20 @@
             false,
             TelephonyIcons.QS_DATA_R
             );
+
+    static final MobileIconGroup DATA_DISABLED = new MobileIconGroup(
+            "DataDisabled",
+            TelephonyIcons.TELEPHONY_SIGNAL_STRENGTH,
+            TelephonyIcons.QS_TELEPHONY_SIGNAL_STRENGTH,
+            AccessibilityContentDescriptions.PHONE_SIGNAL_STRENGTH,
+            0, 0,
+            TelephonyIcons.TELEPHONY_NO_NETWORK,
+            TelephonyIcons.QS_TELEPHONY_NO_NETWORK,
+            AccessibilityContentDescriptions.PHONE_SIGNAL_STRENGTH[0],
+            R.string.accessibility_cell_data_off,
+            TelephonyIcons.ICON_DATA_DISABLED,
+            false,
+            TelephonyIcons.QS_ICON_DATA_DISABLED
+            );
 }
 
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/policy/UserSwitcherController.java b/packages/SystemUI/src/com/android/systemui/statusbar/policy/UserSwitcherController.java
index 05d9626..e4ded67 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/policy/UserSwitcherController.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/policy/UserSwitcherController.java
@@ -49,7 +49,7 @@
 import android.view.ViewGroup;
 import android.widget.BaseAdapter;
 
-import com.android.internal.logging.MetricsLogger;
+import com.android.internal.logging.MetricsProto.MetricsEvent;
 import com.android.internal.util.UserIcons;
 import com.android.settingslib.RestrictedLockUtils;
 import com.android.systemui.BitmapHelper;
@@ -724,7 +724,7 @@
 
         @Override
         public int getMetricsCategory() {
-            return MetricsLogger.QS_USERDETAIL;
+            return MetricsEvent.QS_USERDETAIL;
         }
     };
 
diff --git a/packages/SystemUI/src/com/android/systemui/tuner/ColorMatrixTile.java b/packages/SystemUI/src/com/android/systemui/tuner/ColorMatrixTile.java
index 1fd2352..3206882 100644
--- a/packages/SystemUI/src/com/android/systemui/tuner/ColorMatrixTile.java
+++ b/packages/SystemUI/src/com/android/systemui/tuner/ColorMatrixTile.java
@@ -17,7 +17,7 @@
 
 import android.app.ActivityManager;
 import android.provider.Settings;
-import com.android.internal.logging.MetricsLogger;
+import com.android.internal.logging.MetricsProto.MetricsEvent;
 import com.android.systemui.R;
 import com.android.systemui.qs.QSTile;
 import libcore.util.Objects;
@@ -102,6 +102,6 @@
 
     @Override
     public int getMetricsCategory() {
-        return MetricsLogger.QS_COLOR_MATRIX;
+        return MetricsEvent.QS_COLOR_MATRIX;
     }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/tuner/DemoModeFragment.java b/packages/SystemUI/src/com/android/systemui/tuner/DemoModeFragment.java
index f1de234..f801963 100644
--- a/packages/SystemUI/src/com/android/systemui/tuner/DemoModeFragment.java
+++ b/packages/SystemUI/src/com/android/systemui/tuner/DemoModeFragment.java
@@ -31,6 +31,7 @@
 import android.view.MenuItem;
 
 import com.android.internal.logging.MetricsLogger;
+import com.android.internal.logging.MetricsProto.MetricsEvent;
 import com.android.systemui.DemoMode;
 import com.android.systemui.R;
 
@@ -94,13 +95,13 @@
     @Override
     public void onResume() {
         super.onResume();
-        MetricsLogger.visibility(getContext(), MetricsLogger.TUNER_DEMO_MODE, true);
+        MetricsLogger.visibility(getContext(), MetricsEvent.TUNER_DEMO_MODE, true);
     }
 
     @Override
     public void onPause() {
         super.onPause();
-        MetricsLogger.visibility(getContext(), MetricsLogger.TUNER_DEMO_MODE, false);
+        MetricsLogger.visibility(getContext(), MetricsEvent.TUNER_DEMO_MODE, false);
     }
 
     @Override
@@ -131,10 +132,10 @@
                 mOnSwitch.setChecked(false);
                 stopDemoMode();
             }
-            MetricsLogger.action(getContext(), MetricsLogger.TUNER_DEMO_MODE_ENABLED, enabled);
+            MetricsLogger.action(getContext(), MetricsEvent.TUNER_DEMO_MODE_ENABLED, enabled);
             setGlobal(DemoMode.DEMO_MODE_ALLOWED, enabled ? 1 : 0);
         } else if (preference == mOnSwitch) {
-            MetricsLogger.action(getContext(), MetricsLogger.TUNER_DEMO_MODE_ON, enabled);
+            MetricsLogger.action(getContext(), MetricsEvent.TUNER_DEMO_MODE_ON, enabled);
             if (enabled) {
                 startDemoMode();
             } else {
diff --git a/packages/SystemUI/src/com/android/systemui/tuner/StatusBarSwitch.java b/packages/SystemUI/src/com/android/systemui/tuner/StatusBarSwitch.java
index 920ec75..f2f0382 100644
--- a/packages/SystemUI/src/com/android/systemui/tuner/StatusBarSwitch.java
+++ b/packages/SystemUI/src/com/android/systemui/tuner/StatusBarSwitch.java
@@ -24,6 +24,7 @@
 import android.util.AttributeSet;
 
 import com.android.internal.logging.MetricsLogger;
+import com.android.internal.logging.MetricsProto.MetricsEvent;
 import com.android.systemui.statusbar.phone.StatusBarIconController;
 import com.android.systemui.tuner.TunerService.Tunable;
 
@@ -63,14 +64,14 @@
         if (!value) {
             // If not enabled add to blacklist.
             if (!mBlacklist.contains(getKey())) {
-                MetricsLogger.action(getContext(), MetricsLogger.TUNER_STATUS_BAR_DISABLE,
+                MetricsLogger.action(getContext(), MetricsEvent.TUNER_STATUS_BAR_DISABLE,
                         getKey());
                 mBlacklist.add(getKey());
                 setList(mBlacklist);
             }
         } else {
             if (mBlacklist.remove(getKey())) {
-                MetricsLogger.action(getContext(), MetricsLogger.TUNER_STATUS_BAR_ENABLE, getKey());
+                MetricsLogger.action(getContext(), MetricsEvent.TUNER_STATUS_BAR_ENABLE, getKey());
                 setList(mBlacklist);
             }
         }
diff --git a/packages/SystemUI/src/com/android/systemui/tuner/TunerFragment.java b/packages/SystemUI/src/com/android/systemui/tuner/TunerFragment.java
index a3fe6bb..427b5e8 100644
--- a/packages/SystemUI/src/com/android/systemui/tuner/TunerFragment.java
+++ b/packages/SystemUI/src/com/android/systemui/tuner/TunerFragment.java
@@ -36,6 +36,7 @@
 import android.view.MenuItem;
 
 import com.android.internal.logging.MetricsLogger;
+import com.android.internal.logging.MetricsProto.MetricsEvent;
 import com.android.systemui.R;
 
 import static com.android.systemui.BatteryMeterDrawable.SHOW_PERCENT_SETTING;
@@ -84,7 +85,7 @@
         getContext().getContentResolver().registerContentObserver(
                 System.getUriFor(SHOW_PERCENT_SETTING), false, mSettingObserver);
 
-        MetricsLogger.visibility(getContext(), MetricsLogger.TUNER, true);
+        MetricsLogger.visibility(getContext(), MetricsEvent.TUNER, true);
     }
 
     @Override
@@ -92,7 +93,7 @@
         super.onPause();
         getContext().getContentResolver().unregisterContentObserver(mSettingObserver);
 
-        MetricsLogger.visibility(getContext(), MetricsLogger.TUNER, false);
+        MetricsLogger.visibility(getContext(), MetricsEvent.TUNER, false);
     }
 
     @Override
@@ -141,7 +142,7 @@
         @Override
         public boolean onPreferenceChange(Preference preference, Object newValue) {
             final boolean v = (Boolean) newValue;
-            MetricsLogger.action(getContext(), MetricsLogger.TUNER_BATTERY_PERCENTAGE, v);
+            MetricsLogger.action(getContext(), MetricsEvent.TUNER_BATTERY_PERCENTAGE, v);
             System.putInt(getContext().getContentResolver(), SHOW_PERCENT_SETTING, v ? 1 : 0);
             return true;
         }
diff --git a/packages/SystemUI/src/com/android/systemui/volume/Events.java b/packages/SystemUI/src/com/android/systemui/volume/Events.java
index 893c939..8e0f9b8 100644
--- a/packages/SystemUI/src/com/android/systemui/volume/Events.java
+++ b/packages/SystemUI/src/com/android/systemui/volume/Events.java
@@ -23,6 +23,7 @@
 import android.util.Log;
 
 import com.android.internal.logging.MetricsLogger;
+import com.android.internal.logging.MetricsProto.MetricsEvent;
 import com.android.systemui.volume.VolumeDialogController.State;
 
 import java.util.Arrays;
@@ -111,33 +112,33 @@
             sb.append(" ");
             switch (tag) {
                 case EVENT_SHOW_DIALOG:
-                    MetricsLogger.visible(context, MetricsLogger.VOLUME_DIALOG);
+                    MetricsLogger.visible(context, MetricsEvent.VOLUME_DIALOG);
                     MetricsLogger.histogram(context, "volume_from_keyguard",
                             (Boolean) list[1] ? 1 : 0);
                     sb.append(SHOW_REASONS[(Integer) list[0]]).append(" keyguard=").append(list[1]);
                     break;
                 case EVENT_EXPAND:
-                    MetricsLogger.visibility(context, MetricsLogger.VOLUME_DIALOG_DETAILS,
+                    MetricsLogger.visibility(context, MetricsEvent.VOLUME_DIALOG_DETAILS,
                             (Boolean) list[0]);
                     sb.append(list[0]);
                     break;
                 case EVENT_DISMISS_DIALOG:
-                    MetricsLogger.hidden(context, MetricsLogger.VOLUME_DIALOG);
+                    MetricsLogger.hidden(context, MetricsEvent.VOLUME_DIALOG);
                     sb.append(DISMISS_REASONS[(Integer) list[0]]);
                     break;
                 case EVENT_ACTIVE_STREAM_CHANGED:
-                    MetricsLogger.action(context, MetricsLogger.ACTION_VOLUME_STREAM,
+                    MetricsLogger.action(context, MetricsEvent.ACTION_VOLUME_STREAM,
                             (Integer) list[0]);
                     sb.append(AudioSystem.streamToString((Integer) list[0]));
                     break;
                 case EVENT_ICON_CLICK:
-                    MetricsLogger.action(context, MetricsLogger.ACTION_VOLUME_ICON,
+                    MetricsLogger.action(context, MetricsEvent.ACTION_VOLUME_ICON,
                             (Integer) list[1]);
                     sb.append(AudioSystem.streamToString((Integer) list[0])).append(' ')
                             .append(iconStateToString((Integer) list[1]));
                     break;
                 case EVENT_TOUCH_LEVEL_DONE:
-                    MetricsLogger.action(context, MetricsLogger.ACTION_VOLUME_SLIDER,
+                    MetricsLogger.action(context, MetricsEvent.ACTION_VOLUME_SLIDER,
                             (Integer) list[1]);
                     // fall through
                 case EVENT_TOUCH_LEVEL_CHANGED:
@@ -147,13 +148,13 @@
                             .append(list[1]);
                     break;
                 case EVENT_KEY:
-                    MetricsLogger.action(context, MetricsLogger.ACTION_VOLUME_KEY,
+                    MetricsLogger.action(context, MetricsEvent.ACTION_VOLUME_KEY,
                             (Integer) list[1]);
                     sb.append(AudioSystem.streamToString((Integer) list[0])).append(' ')
                             .append(list[1]);
                     break;
                 case EVENT_EXTERNAL_RINGER_MODE_CHANGED:
-                    MetricsLogger.action(context, MetricsLogger.ACTION_RINGER_MODE,
+                    MetricsLogger.action(context, MetricsEvent.ACTION_RINGER_MODE,
                             (Integer) list[0]);
                     // fall through
                 case EVENT_INTERNAL_RINGER_MODE_CHANGED:
diff --git a/packages/SystemUI/src/com/android/systemui/volume/VolumeDialog.java b/packages/SystemUI/src/com/android/systemui/volume/VolumeDialog.java
index b005a2b..5dc468b 100644
--- a/packages/SystemUI/src/com/android/systemui/volume/VolumeDialog.java
+++ b/packages/SystemUI/src/com/android/systemui/volume/VolumeDialog.java
@@ -254,7 +254,7 @@
         if (D.BUG) Log.d(TAG, "updateWindowWidth dm.w=" + dm.widthPixels);
         int w = dm.widthPixels;
         final int max = mContext.getResources()
-                .getDimensionPixelSize(R.dimen.standard_notification_panel_width);
+                .getDimensionPixelSize(R.dimen.volume_dialog_panel_width);
         if (w > max) {
             w = max;
         }
diff --git a/packages/SystemUI/src/com/android/systemui/volume/ZenModePanel.java b/packages/SystemUI/src/com/android/systemui/volume/ZenModePanel.java
index f73ba6f..e9594a3 100644
--- a/packages/SystemUI/src/com/android/systemui/volume/ZenModePanel.java
+++ b/packages/SystemUI/src/com/android/systemui/volume/ZenModePanel.java
@@ -51,6 +51,7 @@
 import android.widget.TextView;
 
 import com.android.internal.logging.MetricsLogger;
+import com.android.internal.logging.MetricsProto.MetricsEvent;
 import com.android.systemui.Prefs;
 import com.android.systemui.R;
 import com.android.systemui.statusbar.policy.ZenModeController;
@@ -620,7 +621,7 @@
                         if (childTag == null || childTag == tag) continue;
                         childTag.rb.setChecked(false);
                     }
-                    MetricsLogger.action(mContext, MetricsLogger.QS_DND_CONDITION_SELECT);
+                    MetricsLogger.action(mContext, MetricsEvent.QS_DND_CONDITION_SELECT);
                     select(tag.condition);
                     announceConditionSelection(tag);
                 }
@@ -725,7 +726,7 @@
     }
 
     private void onClickTimeButton(View row, ConditionTag tag, boolean up, int rowId) {
-        MetricsLogger.action(mContext, MetricsLogger.QS_DND_TIME, up);
+        MetricsLogger.action(mContext, MetricsEvent.QS_DND_TIME, up);
         Condition newCondition = null;
         final int N = MINUTE_BUCKETS.length;
         if (mBucketIndex == -1) {
@@ -928,7 +929,7 @@
             if (value != null && mZenButtons.isShown() && isAttachedToWindow()) {
                 final int zen = (Integer) value;
                 if (fromClick) {
-                    MetricsLogger.action(mContext, MetricsLogger.QS_DND_ZEN_SELECT, zen);
+                    MetricsLogger.action(mContext, MetricsEvent.QS_DND_ZEN_SELECT, zen);
                 }
                 if (DEBUG) Log.d(mTag, "mZenButtonsCallback selected=" + zen);
                 final Uri realConditionId = getRealConditionId(mSessionExitCondition);
diff --git a/rs/java/android/renderscript/Allocation.java b/rs/java/android/renderscript/Allocation.java
index a71ba636..4bda87e 100644
--- a/rs/java/android/renderscript/Allocation.java
+++ b/rs/java/android/renderscript/Allocation.java
@@ -55,12 +55,16 @@
  **/
 
 public class Allocation extends BaseObj {
+    private static final int MAX_NUMBER_IO_INPUT_ALLOC = 16;
+
     Type mType;
     Bitmap mBitmap;
     int mUsage;
     Allocation mAdaptedAllocation;
     int mSize;
+    MipmapControl mMipmapControl;
 
+    long mTimeStamp = -1;
     boolean mReadAllowed = true;
     boolean mWriteAllowed = true;
     boolean mAutoPadding = false;
@@ -278,6 +282,17 @@
     }
 
     /**
+     * @hide
+     * Get the Mipmap control flag of the Allocation.
+     *
+     * @return the Mipmap control flag of the Allocation
+     *
+     */
+    public MipmapControl getMipmap() {
+        return mMipmapControl;
+    }
+
+    /**
      * Enable/Disable AutoPadding for Vec3 elements.
      * By default: Diabled.
      *
@@ -359,6 +374,11 @@
         }
     }
 
+    Allocation(long id, RenderScript rs, Type t, int usage, MipmapControl mips) {
+        this(id, rs, t, usage);
+        mMipmapControl = mips;
+    }
+
     protected void finalize() throws Throwable {
         RenderScript.registerNativeFree.invoke(RenderScript.sRuntime, mSize);
         super.finalize();
@@ -521,7 +541,7 @@
                     "Can only receive if IO_INPUT usage specified.");
             }
             mRS.validate();
-            mRS.nAllocationIoReceive(getID(mRS));
+            mTimeStamp = mRS.nAllocationIoReceive(getID(mRS));
         } finally {
             Trace.traceEnd(RenderScript.TRACE_TAG);
         }
@@ -1890,7 +1910,7 @@
             if (id == 0) {
                 throw new RSRuntimeException("Allocation creation failed.");
             }
-            return new Allocation(id, rs, type, usage);
+            return new Allocation(id, rs, type, usage, mips);
         } finally {
             Trace.traceEnd(RenderScript.TRACE_TAG);
         }
@@ -1948,7 +1968,7 @@
             if (id == 0) {
                 throw new RSRuntimeException("Allocation creation failed.");
             }
-            return new Allocation(id, rs, t, usage);
+            return new Allocation(id, rs, t, usage, MipmapControl.MIPMAP_NONE);
         } finally {
             Trace.traceEnd(RenderScript.TRACE_TAG);
         }
@@ -2037,7 +2057,7 @@
                 }
 
                 // keep a reference to the Bitmap around to prevent GC
-                Allocation alloc = new Allocation(id, rs, t, usage);
+                Allocation alloc = new Allocation(id, rs, t, usage, mips);
                 alloc.setBitmap(b);
                 return alloc;
             }
@@ -2047,7 +2067,7 @@
             if (id == 0) {
                 throw new RSRuntimeException("Load failed.");
             }
-            return new Allocation(id, rs, t, usage);
+            return new Allocation(id, rs, t, usage, mips);
         } finally {
             Trace.traceEnd(RenderScript.TRACE_TAG);
         }
@@ -2090,6 +2110,108 @@
 
     /**
      * @hide
+     * Creates a new Allocation Array with the given {@link
+     * android.renderscript.Type}, and usage flags.
+     * Note: If the input allocation is of usage: USAGE_IO_INPUT,
+     * the created Allocation will be sharing the same BufferQueue.
+     *
+     * @param rs RenderScript context
+     * @param t RenderScript type describing data layout
+     * @param usage bit field specifying how the Allocation is
+     *              utilized
+     * @param numAlloc Number of Allocations in the array.
+     * @return Allocation[]
+     */
+    public static Allocation[] createAllocations(RenderScript rs, Type t, int usage, int numAlloc) {
+        try {
+            Trace.traceBegin(RenderScript.TRACE_TAG, "createAllocations");
+            rs.validate();
+            if (t.getID(rs) == 0) {
+                throw new RSInvalidStateException("Bad Type");
+            }
+
+            Allocation[] mAllocationArray = new Allocation[numAlloc];
+            mAllocationArray[0] = createTyped(rs, t, usage);
+            if ((usage & USAGE_IO_INPUT) != 0) {
+                if (numAlloc > MAX_NUMBER_IO_INPUT_ALLOC) {
+                    throw new RSIllegalArgumentException("Exceeds the max number of Allocations allowed: " +
+                                                         MAX_NUMBER_IO_INPUT_ALLOC);
+                }
+                mAllocationArray[0].setupBufferQueue(numAlloc);;
+            }
+
+            for (int i=1; i<numAlloc; i++) {
+                mAllocationArray[i] = createFromAllcation(rs, mAllocationArray[0]);
+            }
+            return mAllocationArray;
+        } finally {
+            Trace.traceEnd(RenderScript.TRACE_TAG);
+        }
+    }
+
+    /**
+     * Creates a new Allocation with the given {@link
+     * android.renderscript.Allocation}. The same data layout of
+     * the input Allocation will be applied.
+     * If the input allocation is of usage: USAGE_IO_INPUT, the created
+     * Allocation will be sharing the same BufferQueue.
+     *
+     * @param rs Context to which the allocation will belong.
+     * @param alloc RenderScript Allocation describing data layout.
+     * @return Allocation sharing the same data structure.
+     */
+    static Allocation createFromAllcation(RenderScript rs, Allocation alloc) {
+        try {
+            Trace.traceBegin(RenderScript.TRACE_TAG, "createFromAllcation");
+            rs.validate();
+            if (alloc.getID(rs) == 0) {
+                throw new RSInvalidStateException("Bad input Allocation");
+            }
+
+            Type type = alloc.getType();
+            int usage = alloc.getUsage();
+            MipmapControl mips = alloc.getMipmap();
+            long id = rs.nAllocationCreateTyped(type.getID(rs), mips.mID, usage, 0);
+            if (id == 0) {
+                throw new RSRuntimeException("Allocation creation failed.");
+            }
+            Allocation outAlloc = new Allocation(id, rs, type, usage, mips);
+            if ((usage & USAGE_IO_INPUT) != 0) {
+                outAlloc.shareBufferQueue(alloc);
+            }
+            return outAlloc;
+        } finally {
+            Trace.traceEnd(RenderScript.TRACE_TAG);
+        }
+    }
+
+    /**
+     * Initialize BufferQueue with specified max number of buffers.
+     */
+    void setupBufferQueue(int numAlloc) {
+        mRS.validate();
+        if ((mUsage & USAGE_IO_INPUT) == 0) {
+            throw new RSInvalidStateException("Allocation is not USAGE_IO_INPUT.");
+        }
+        mRS.nAllocationSetupBufferQueue(getID(mRS), numAlloc);
+    }
+
+    /**
+     * Share the BufferQueue with another {@link #USAGE_IO_INPUT} Allocation.
+     *
+     * @param alloc Allocation to associate with allocation
+     */
+    void shareBufferQueue(Allocation alloc) {
+        mRS.validate();
+        if ((mUsage & USAGE_IO_INPUT) == 0) {
+            throw new RSInvalidStateException("Allocation is not USAGE_IO_INPUT.");
+        }
+        mGetSurfaceSurface = alloc.getSurface();
+        mRS.nAllocationShareBufferQueue(getID(mRS), alloc.getID(mRS));
+    }
+
+    /**
+     * @hide
      * Gets the stride of the Allocation.
      * For a 2D or 3D Allocation, the raw data maybe padded so that each row of
      * the Allocation has certain alignment. The size of each row including such
@@ -2107,6 +2229,27 @@
     }
 
     /**
+     * @hide
+     * Get the timestamp for the most recent buffer held by this Allocation.
+     * The timestamp is guaranteed to be unique and monotonically increasing.
+     * Default value: -1. The timestamp will be updated after each {@link
+     * #ioReceive ioReceive()} call.
+     *
+     * It can be used to identify the images by comparing the unique timestamps
+     * when used with {@link android.hardware.camera2} APIs.
+     * Example steps:
+     *   1. Save {@link android.hardware.camera2.TotalCaptureResult} when the
+     *      capture is completed.
+     *   2. Get the timestamp after {@link #ioReceive ioReceive()} call.
+     *   3. Comparing totalCaptureResult.get(CaptureResult.SENSOR_TIMESTAMP) with
+     *      alloc.getTimeStamp().
+     * @return long Timestamp associated with the buffer held by the Allocation.
+     */
+    public long getTimeStamp() {
+        return mTimeStamp;
+    }
+
+    /**
      * Returns the handle to a raw buffer that is being managed by the screen
      * compositor. This operation is only valid for Allocations with {@link
      * #USAGE_IO_INPUT}.
@@ -2210,7 +2353,7 @@
         if(id == 0) {
             throw new RSRuntimeException("Load failed for bitmap " + b + " element " + e);
         }
-        return new Allocation(id, rs, t, usage);
+        return new Allocation(id, rs, t, usage, mips);
     }
 
     /**
diff --git a/rs/java/android/renderscript/RenderScript.java b/rs/java/android/renderscript/RenderScript.java
index 4788223..51fc7dd 100644
--- a/rs/java/android/renderscript/RenderScript.java
+++ b/rs/java/android/renderscript/RenderScript.java
@@ -484,7 +484,6 @@
         rsnAllocationCopyToBitmap(mContext, alloc, bmp);
     }
 
-
     native void rsnAllocationSyncAll(long con, long alloc, int src);
     synchronized void nAllocationSyncAll(long alloc, int src) {
         validate();
@@ -497,6 +496,16 @@
         return rsnAllocationGetByteBuffer(mContext, alloc, stride, xBytesSize, dimY, dimZ);
     }
 
+    native void rsnAllocationSetupBufferQueue(long con, long alloc, int numAlloc);
+    synchronized void nAllocationSetupBufferQueue(long alloc, int numAlloc) {
+        validate();
+        rsnAllocationSetupBufferQueue(mContext, alloc, numAlloc);
+    }
+    native void rsnAllocationShareBufferQueue(long con, long alloc1, long alloc2);
+    synchronized void nAllocationShareBufferQueue(long alloc1, long alloc2) {
+        validate();
+        rsnAllocationShareBufferQueue(mContext, alloc1, alloc2);
+    }
     native Surface rsnAllocationGetSurface(long con, long alloc);
     synchronized Surface nAllocationGetSurface(long alloc) {
         validate();
@@ -512,13 +521,12 @@
         validate();
         rsnAllocationIoSend(mContext, alloc);
     }
-    native void rsnAllocationIoReceive(long con, long alloc);
-    synchronized void nAllocationIoReceive(long alloc) {
+    native long rsnAllocationIoReceive(long con, long alloc);
+    synchronized long nAllocationIoReceive(long alloc) {
         validate();
-        rsnAllocationIoReceive(mContext, alloc);
+        return rsnAllocationIoReceive(mContext, alloc);
     }
 
-
     native void rsnAllocationGenerateMipmaps(long con, long alloc);
     synchronized void nAllocationGenerateMipmaps(long alloc) {
         validate();
diff --git a/rs/jni/android_renderscript_RenderScript.cpp b/rs/jni/android_renderscript_RenderScript.cpp
index 398d89b..3dff37b 100644
--- a/rs/jni/android_renderscript_RenderScript.cpp
+++ b/rs/jni/android_renderscript_RenderScript.cpp
@@ -1223,6 +1223,27 @@
     rsAllocationSyncAll((RsContext)con, (RsAllocation)a, (RsAllocationUsageType)bits);
 }
 
+static void
+nAllocationSetupBufferQueue(JNIEnv *_env, jobject _this, jlong con, jlong alloc, jint numAlloc)
+{
+    if (kLogApi) {
+        ALOGD("nAllocationSetupBufferQueue, con(%p), alloc(%p), numAlloc(%d)", (RsContext)con,
+              (RsAllocation)alloc, numAlloc);
+    }
+    rsAllocationSetupBufferQueue((RsContext)con, (RsAllocation)alloc, (uint32_t)numAlloc);
+}
+
+static void
+nAllocationShareBufferQueue(JNIEnv *_env, jobject _this, jlong con, jlong alloc1, jlong alloc2)
+{
+    if (kLogApi) {
+        ALOGD("nAllocationShareBufferQueue, con(%p), alloc1(%p), alloc2(%p)", (RsContext)con,
+              (RsAllocation)alloc1, (RsAllocation)alloc2);
+    }
+
+    rsAllocationShareBufferQueue((RsContext)con, (RsAllocation)alloc1, (RsAllocation)alloc2);
+}
+
 static jobject
 nAllocationGetSurface(JNIEnv *_env, jobject _this, jlong con, jlong a)
 {
@@ -1265,16 +1286,15 @@
     rsAllocationIoSend((RsContext)con, (RsAllocation)alloc);
 }
 
-static void
+static jlong
 nAllocationIoReceive(JNIEnv *_env, jobject _this, jlong con, jlong alloc)
 {
     if (kLogApi) {
         ALOGD("nAllocationIoReceive, con(%p), alloc(%p)", (RsContext)con, (RsAllocation)alloc);
     }
-    rsAllocationIoReceive((RsContext)con, (RsAllocation)alloc);
+    return (jlong) rsAllocationIoReceive((RsContext)con, (RsAllocation)alloc);
 }
 
-
 static void
 nAllocationGenerateMipmaps(JNIEnv *_env, jobject _this, jlong con, jlong alloc)
 {
@@ -2856,10 +2876,12 @@
 {"rsnAllocationCopyToBitmap",        "(JJLandroid/graphics/Bitmap;)V",        (void*)nAllocationCopyToBitmap },
 
 {"rsnAllocationSyncAll",             "(JJI)V",                                (void*)nAllocationSyncAll },
+{"rsnAllocationSetupBufferQueue",    "(JJI)V",                                (void*)nAllocationSetupBufferQueue },
+{"rsnAllocationShareBufferQueue",    "(JJJ)V",                                (void*)nAllocationShareBufferQueue },
 {"rsnAllocationGetSurface",          "(JJ)Landroid/view/Surface;",            (void*)nAllocationGetSurface },
 {"rsnAllocationSetSurface",          "(JJLandroid/view/Surface;)V",           (void*)nAllocationSetSurface },
 {"rsnAllocationIoSend",              "(JJ)V",                                 (void*)nAllocationIoSend },
-{"rsnAllocationIoReceive",           "(JJ)V",                                 (void*)nAllocationIoReceive },
+{"rsnAllocationIoReceive",           "(JJ)J",                                 (void*)nAllocationIoReceive },
 {"rsnAllocationData1D",              "(JJIIILjava/lang/Object;IIIZ)V",        (void*)nAllocationData1D },
 {"rsnAllocationElementData",         "(JJIIIII[BI)V",                         (void*)nAllocationElementData },
 {"rsnAllocationData2D",              "(JJIIIIIILjava/lang/Object;IIIZ)V",     (void*)nAllocationData2D },
diff --git a/services/core/java/com/android/server/ConnectivityService.java b/services/core/java/com/android/server/ConnectivityService.java
index 3c13630..c3c3e3f 100644
--- a/services/core/java/com/android/server/ConnectivityService.java
+++ b/services/core/java/com/android/server/ConnectivityService.java
@@ -745,7 +745,7 @@
         mTestMode = SystemProperties.get("cm.test.mode").equals("true")
                 && SystemProperties.get("ro.build.type").equals("eng");
 
-        mTethering = new Tethering(mContext, mNetd, statsService, mHandler.getLooper());
+        mTethering = new Tethering(mContext, mNetd, statsService);
 
         mPermissionMonitor = new PermissionMonitor(mContext, mNetd);
 
diff --git a/services/core/java/com/android/server/GestureLauncherService.java b/services/core/java/com/android/server/GestureLauncherService.java
index 2aa0390..d6575e8 100644
--- a/services/core/java/com/android/server/GestureLauncherService.java
+++ b/services/core/java/com/android/server/GestureLauncherService.java
@@ -38,6 +38,7 @@
 import android.view.KeyEvent;
 
 import com.android.internal.logging.MetricsLogger;
+import com.android.internal.logging.MetricsProto.MetricsEvent;
 import com.android.server.statusbar.StatusBarManagerInternal;
 
 /**
@@ -270,7 +271,7 @@
             launched = handleCameraLaunchGesture(false /* useWakelock */,
                     StatusBarManager.CAMERA_LAUNCH_SOURCE_POWER_DOUBLE_TAP);
             if (launched) {
-                MetricsLogger.action(mContext, MetricsLogger.ACTION_DOUBLE_TAP_POWER_CAMERA_GESTURE,
+                MetricsLogger.action(mContext, MetricsEvent.ACTION_DOUBLE_TAP_POWER_CAMERA_GESTURE,
                         (int) doubleTapInterval);
             }
         }
@@ -341,7 +342,7 @@
                 }
                 if (handleCameraLaunchGesture(true /* useWakelock */,
                         StatusBarManager.CAMERA_LAUNCH_SOURCE_WIGGLE)) {
-                    MetricsLogger.action(mContext, MetricsLogger.ACTION_WIGGLE_CAMERA_GESTURE);
+                    MetricsLogger.action(mContext, MetricsEvent.ACTION_WIGGLE_CAMERA_GESTURE);
                     trackCameraLaunchEvent(event);
                 }
                 return;
diff --git a/services/core/java/com/android/server/am/BatteryStatsService.java b/services/core/java/com/android/server/am/BatteryStatsService.java
index 82862e8..0f7dff2 100644
--- a/services/core/java/com/android/server/am/BatteryStatsService.java
+++ b/services/core/java/com/android/server/am/BatteryStatsService.java
@@ -855,6 +855,18 @@
         }
     }
 
+    @Override
+    public void noteBleScanStarted(WorkSource ws) {
+        enforceCallingPermission();
+        Slog.d(TAG, "BLE scan started for " + ws);
+    }
+
+    @Override
+    public void noteBleScanStopped(WorkSource ws) {
+        enforceCallingPermission();
+        Slog.d(TAG, "BLE scan stopped for " + ws);
+    }
+
     public boolean isOnBattery() {
         return mStats.isOnBattery();
     }
diff --git a/services/core/java/com/android/server/connectivity/Tethering.java b/services/core/java/com/android/server/connectivity/Tethering.java
index 6648efd..a73a67a 100644
--- a/services/core/java/com/android/server/connectivity/Tethering.java
+++ b/services/core/java/com/android/server/connectivity/Tethering.java
@@ -153,11 +153,10 @@
                                          // when RNDIS is enabled
 
     public Tethering(Context context, INetworkManagementService nmService,
-            INetworkStatsService statsService, Looper looper) {
+            INetworkStatsService statsService) {
         mContext = context;
         mNMService = nmService;
         mStatsService = statsService;
-        mLooper = looper;
 
         mPublicSync = new Object();
 
diff --git a/services/core/java/com/android/server/dreams/DreamController.java b/services/core/java/com/android/server/dreams/DreamController.java
index 206cc8a..a633996 100644
--- a/services/core/java/com/android/server/dreams/DreamController.java
+++ b/services/core/java/com/android/server/dreams/DreamController.java
@@ -17,6 +17,7 @@
 package com.android.server.dreams;
 
 import com.android.internal.logging.MetricsLogger;
+import com.android.internal.logging.MetricsProto.MetricsEvent;
 
 import android.content.ComponentName;
 import android.content.Context;
@@ -131,7 +132,7 @@
 
             mDreamStartTime = SystemClock.elapsedRealtime();
             MetricsLogger.visible(mContext,
-                    mCurrentDream.mCanDoze ? MetricsLogger.DOZING : MetricsLogger.DREAMING);
+                    mCurrentDream.mCanDoze ? MetricsEvent.DOZING : MetricsEvent.DREAMING);
 
             try {
                 mIWindowManager.addWindowToken(token, WindowManager.LayoutParams.TYPE_DREAM);
@@ -196,7 +197,7 @@
                     + ", isTest=" + oldDream.mIsTest + ", canDoze=" + oldDream.mCanDoze
                     + ", userId=" + oldDream.mUserId);
             MetricsLogger.hidden(mContext,
-                    oldDream.mCanDoze ? MetricsLogger.DOZING : MetricsLogger.DREAMING);
+                    oldDream.mCanDoze ? MetricsEvent.DOZING : MetricsEvent.DREAMING);
             MetricsLogger.histogram(mContext,
                     oldDream.mCanDoze ? "dozing_minutes" : "dreaming_minutes" ,
                     (int) ((SystemClock.elapsedRealtime() - mDreamStartTime) / (1000L * 60L)));
diff --git a/services/core/java/com/android/server/fingerprint/FingerprintService.java b/services/core/java/com/android/server/fingerprint/FingerprintService.java
index e74d636..13e7648 100644
--- a/services/core/java/com/android/server/fingerprint/FingerprintService.java
+++ b/services/core/java/com/android/server/fingerprint/FingerprintService.java
@@ -48,6 +48,7 @@
 import android.util.Slog;
 
 import com.android.internal.logging.MetricsLogger;
+import com.android.internal.logging.MetricsProto.MetricsEvent;
 import com.android.server.SystemService;
 
 import org.json.JSONArray;
@@ -686,7 +687,7 @@
         private boolean sendEnrollResult(int fpId, int groupId, int remaining) {
             if (receiver == null) return true; // client not listening
             FingerprintUtils.vibrateFingerprintSuccess(getContext());
-            MetricsLogger.action(mContext, MetricsLogger.ACTION_FINGERPRINT_ENROLL);
+            MetricsLogger.action(mContext, MetricsEvent.ACTION_FINGERPRINT_ENROLL);
             try {
                 receiver.onEnrollResult(mHalDeviceId, fpId, groupId, remaining);
                 return remaining == 0;
@@ -704,7 +705,7 @@
             boolean authenticated = fpId != 0;
             if (receiver != null) {
                 try {
-                    MetricsLogger.action(mContext, MetricsLogger.ACTION_FINGERPRINT_AUTH,
+                    MetricsLogger.action(mContext, MetricsEvent.ACTION_FINGERPRINT_AUTH,
                             authenticated);
                     if (!authenticated) {
                         receiver.onAuthenticationFailed(mHalDeviceId);
diff --git a/services/core/java/com/android/server/notification/NotificationManagerService.java b/services/core/java/com/android/server/notification/NotificationManagerService.java
index 7f783ec..b54efcc 100644
--- a/services/core/java/com/android/server/notification/NotificationManagerService.java
+++ b/services/core/java/com/android/server/notification/NotificationManagerService.java
@@ -16,6 +16,7 @@
 
 package com.android.server.notification;
 
+import static android.content.pm.ApplicationInfo.FLAG_SUSPENDED;
 import static android.service.notification.NotificationAssistantService.REASON_APP_CANCEL;
 import static android.service.notification.NotificationAssistantService.REASON_APP_CANCEL_ALL;
 import static android.service.notification.NotificationAssistantService.REASON_DELEGATE_CANCEL;
@@ -28,6 +29,7 @@
 import static android.service.notification.NotificationAssistantService.REASON_LISTENER_CANCEL_ALL;
 import static android.service.notification.NotificationAssistantService.REASON_PACKAGE_BANNED;
 import static android.service.notification.NotificationAssistantService.REASON_PACKAGE_CHANGED;
+import static android.service.notification.NotificationAssistantService.REASON_PACKAGE_SUSPENDED;
 import static android.service.notification.NotificationAssistantService.REASON_TOPIC_BANNED;
 import static android.service.notification.NotificationAssistantService.REASON_USER_STOPPED;
 import static android.service.notification.NotificationListenerService.HINT_HOST_DISABLE_EFFECTS;
@@ -456,7 +458,7 @@
     /** Use this to check if a package can post a notification or toast. */
     private boolean checkNotificationOp(String pkg, int uid) {
         return mAppOps.checkOp(AppOpsManager.OP_POST_NOTIFICATION, uid, pkg)
-                == AppOpsManager.MODE_ALLOWED;
+                == AppOpsManager.MODE_ALLOWED && !isApplicationSuspended(pkg, uid);
     }
 
     private static final class ToastRecord
@@ -691,13 +693,15 @@
             boolean queryRemove = false;
             boolean packageChanged = false;
             boolean cancelNotifications = true;
+            int reason = REASON_PACKAGE_CHANGED;
 
             if (action.equals(Intent.ACTION_PACKAGE_ADDED)
                     || (queryRemove=action.equals(Intent.ACTION_PACKAGE_REMOVED))
                     || action.equals(Intent.ACTION_PACKAGE_RESTARTED)
                     || (packageChanged=action.equals(Intent.ACTION_PACKAGE_CHANGED))
                     || (queryRestart=action.equals(Intent.ACTION_QUERY_PACKAGE_RESTART))
-                    || action.equals(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE)) {
+                    || action.equals(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE)
+                    || action.equals(Intent.ACTION_PACKAGES_SUSPENDED)) {
                 int changeUserId = intent.getIntExtra(Intent.EXTRA_USER_HANDLE,
                         UserHandle.USER_ALL);
                 String pkgList[] = null;
@@ -706,6 +710,9 @@
                 if (DBG) Slog.i(TAG, "action=" + action + " queryReplace=" + queryReplace);
                 if (action.equals(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE)) {
                     pkgList = intent.getStringArrayExtra(Intent.EXTRA_CHANGED_PACKAGE_LIST);
+                } else if (action.equals(Intent.ACTION_PACKAGES_SUSPENDED)) {
+                    pkgList = intent.getStringArrayExtra(Intent.EXTRA_CHANGED_PACKAGE_LIST);
+                    reason = REASON_PACKAGE_SUSPENDED;
                 } else if (queryRestart) {
                     pkgList = intent.getStringArrayExtra(Intent.EXTRA_PACKAGES);
                 } else {
@@ -745,7 +752,7 @@
                     for (String pkgName : pkgList) {
                         if (cancelNotifications) {
                             cancelAllNotificationsInt(MY_UID, MY_PID, pkgName, 0, 0, !queryRestart,
-                                    changeUserId, REASON_PACKAGE_CHANGED, null, null);
+                                    changeUserId, reason, null, null);
                         }
                     }
                 }
@@ -989,6 +996,11 @@
         getContext().registerReceiverAsUser(mPackageIntentReceiver, UserHandle.ALL, pkgFilter, null,
                 null);
 
+        IntentFilter suspendedPkgFilter = new IntentFilter();
+        suspendedPkgFilter.addAction(Intent.ACTION_PACKAGES_SUSPENDED);
+        getContext().registerReceiverAsUser(mPackageIntentReceiver, UserHandle.ALL,
+                suspendedPkgFilter, null, null);
+
         IntentFilter sdFilter = new IntentFilter(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE);
         getContext().registerReceiverAsUser(mPackageIntentReceiver, UserHandle.ALL, sdFilter, null,
                 null);
@@ -1104,10 +1116,16 @@
             }
 
             final boolean isSystemToast = isCallerSystem() || ("android".equals(pkg));
+            final boolean isApplicationSuspended =
+                    isApplicationSuspended(pkg, Binder.getCallingUid());
 
-            if (ENABLE_BLOCKED_TOASTS && !noteNotificationOp(pkg, Binder.getCallingUid())) {
+            if (ENABLE_BLOCKED_TOASTS && (!noteNotificationOp(pkg, Binder.getCallingUid())
+                    || isApplicationSuspended)) {
                 if (!isSystemToast) {
-                    Slog.e(TAG, "Suppressing toast from package " + pkg + " by user request.");
+                    Slog.e(TAG, "Suppressing toast from package " + pkg
+                            + (isApplicationSuspended
+                                    ? " due to package suspended by administrator."
+                                    : " by user request."));
                     return;
                 }
             }
@@ -1232,7 +1250,7 @@
         public boolean areNotificationsEnabledForPackage(String pkg, int uid) {
             checkCallerIsSystem();
             return (mAppOps.checkOpNoThrow(AppOpsManager.OP_POST_NOTIFICATION, uid, pkg)
-                    == AppOpsManager.MODE_ALLOWED);
+                    == AppOpsManager.MODE_ALLOWED) && !isApplicationSuspended(pkg, uid);
         }
 
         @Override
@@ -2325,14 +2343,20 @@
 
                 // why is this here?
                 savePolicyFile();
+                final boolean isApplicationSuspended = isApplicationSuspended(pkg, callingUid);
 
                 // blocked apps/topics
                 if (r.getImportance() == NotificationListenerService.Ranking.IMPORTANCE_NONE
-                        || !noteNotificationOp(pkg, callingUid)) {
+                        || !noteNotificationOp(pkg, callingUid) || isApplicationSuspended) {
                     if (!isSystemNotification) {
-                        Slog.e(TAG, "Suppressing notification from package " + pkg
-                                + " by user request.");
-                        mUsageStats.registerBlocked(r);
+                        if (isApplicationSuspended) {
+                            Slog.e(TAG, "Suppressing notification from package due to package "
+                                    + "suspended by administrator.");
+                            mUsageStats.registerSuspendedByAdmin(r);
+                        } else {
+                            Slog.e(TAG, "Suppressing notification from package by user request.");
+                            mUsageStats.registerBlocked(r);
+                        }
                         return;
                     }
                 }
@@ -3423,6 +3447,24 @@
         return true;
     }
 
+    private boolean isApplicationSuspended(String pkg, int uid) {
+        int userId = UserHandle.getUserId(uid);
+        ApplicationInfo ai;
+        try {
+            // TODO: it might be faster to return a boolean from package manager rather than the
+            // whole application info. Revisit and make the API change.
+            ai = AppGlobals.getPackageManager().getApplicationInfo(pkg, 0, userId);
+            if (ai == null) {
+                Slog.w(TAG, "No application info for package " + pkg + " and user " + userId);
+                return false;
+            }
+        } catch (RemoteException re) {
+            throw new SecurityException("Could not talk to package manager service");
+        }
+
+        return ((ai.flags & FLAG_SUSPENDED) != 0);
+    }
+
     private class TrimCache {
         StatusBarNotification heavy;
         StatusBarNotification sbnClone;
diff --git a/services/core/java/com/android/server/notification/NotificationUsageStats.java b/services/core/java/com/android/server/notification/NotificationUsageStats.java
index e75324f..0272850 100644
--- a/services/core/java/com/android/server/notification/NotificationUsageStats.java
+++ b/services/core/java/com/android/server/notification/NotificationUsageStats.java
@@ -198,6 +198,14 @@
         releaseAggregatedStatsLocked(aggregatedStatsArray);
     }
 
+    public synchronized void registerSuspendedByAdmin(NotificationRecord notification) {
+        AggregatedStats[] aggregatedStatsArray = getAggregatedStatsLocked(notification);
+        for (AggregatedStats stats : aggregatedStatsArray) {
+            stats.numSuspendedByAdmin++;
+        }
+        releaseAggregatedStatsLocked(aggregatedStatsArray);
+    }
+
     // Locked by this.
     private AggregatedStats[] getAggregatedStatsLocked(NotificationRecord record) {
         if (!ENABLE_AGGREGATED_IN_MEMORY_STATS) {
@@ -298,6 +306,7 @@
         public int numWithStaredPeople;
         public int numWithValidPeople;
         public int numBlocked;
+        public int numSuspendedByAdmin;
         public int numWithActions;
         public int numPrivate;
         public int numSecret;
@@ -414,6 +423,7 @@
             maybeCount("people_cache_hit", (numPeopleCacheHit - mPrevious.numPeopleCacheHit));
             maybeCount("people_cache_miss", (numPeopleCacheMiss - mPrevious.numPeopleCacheMiss));
             maybeCount("note_blocked", (numBlocked - mPrevious.numBlocked));
+            maybeCount("note_suspended", (numSuspendedByAdmin - mPrevious.numSuspendedByAdmin));
             maybeCount("note_with_actions", (numWithActions - mPrevious.numWithActions));
             maybeCount("note_private", (numPrivate - mPrevious.numPrivate));
             maybeCount("note_secret", (numSecret - mPrevious.numSecret));
@@ -442,6 +452,7 @@
             mPrevious.numWithStaredPeople = numWithStaredPeople;
             mPrevious.numWithValidPeople = numWithValidPeople;
             mPrevious.numBlocked = numBlocked;
+            mPrevious.numSuspendedByAdmin = numSuspendedByAdmin;
             mPrevious.numWithActions = numWithActions;
             mPrevious.numPrivate = numPrivate;
             mPrevious.numSecret = numSecret;
@@ -501,6 +512,8 @@
             output.append(indentPlusTwo);
             output.append("numBlocked=").append(numBlocked).append(",\n");
             output.append(indentPlusTwo);
+            output.append("numSuspendedByAdmin=").append(numSuspendedByAdmin).append(",\n");
+            output.append(indentPlusTwo);
             output.append("numWithActions=").append(numWithActions).append(",\n");
             output.append(indentPlusTwo);
             output.append("numPrivate=").append(numPrivate).append(",\n");
@@ -551,6 +564,7 @@
             maybePut(dump, "numWithStaredPeople", numWithStaredPeople);
             maybePut(dump, "numWithValidPeople", numWithValidPeople);
             maybePut(dump, "numBlocked", numBlocked);
+            maybePut(dump, "numSuspendedByAdmin", numSuspendedByAdmin);
             maybePut(dump, "numWithActions", numWithActions);
             maybePut(dump, "numPrivate", numPrivate);
             maybePut(dump, "numSecret", numSecret);
diff --git a/services/core/java/com/android/server/pm/UserManagerService.java b/services/core/java/com/android/server/pm/UserManagerService.java
index fc79849..0f614ca 100644
--- a/services/core/java/com/android/server/pm/UserManagerService.java
+++ b/services/core/java/com/android/server/pm/UserManagerService.java
@@ -25,9 +25,11 @@
 import android.app.ActivityManagerNative;
 import android.app.IActivityManager;
 import android.app.IStopUserCallback;
+import android.app.admin.DevicePolicyManager;
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
+import android.content.IntentFilter;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
 import android.content.pm.PackageManager.NameNotFoundException;
@@ -302,6 +304,12 @@
 
     private final LockPatternUtils mLockPatternUtils;
 
+    /**
+     * Whether all users should be created ephemeral.
+     */
+    @GuardedBy("mUsersLock")
+    private boolean mForceEphemeralUsers;
+
     private static UserManagerService sInstance;
 
     public static UserManagerService getInstance() {
@@ -1836,23 +1844,25 @@
                     }
                 }
 
-                // Add ephemeral flag to guests if required. Also inherit it from parent.
+                userId = getNextAvailableId();
+                Environment.getUserSystemDirectory(userId).mkdirs();
                 boolean ephemeralGuests = Resources.getSystem()
                         .getBoolean(com.android.internal.R.bool.config_guestUserEphemeral);
-                if ((isGuest && ephemeralGuests)
-                        || (parent != null && parent.info.isEphemeral())) {
-                    flags |= UserInfo.FLAG_EPHEMERAL;
-                }
-                userId = getNextAvailableId();
-                userInfo = new UserInfo(userId, name, null, flags);
-                userInfo.serialNumber = mNextSerialNumber++;
-                long now = System.currentTimeMillis();
-                userInfo.creationTime = (now > EPOCH_PLUS_30_YEARS) ? now : 0;
-                userInfo.partial = true;
-                userData = new UserData();
-                userData.info = userInfo;
-                Environment.getUserSystemDirectory(userInfo.id).mkdirs();
+
                 synchronized (mUsersLock) {
+                    // Add ephemeral flag to guests/users if required. Also inherit it from parent.
+                    if ((isGuest && ephemeralGuests) || mForceEphemeralUsers
+                            || (parent != null && parent.info.isEphemeral())) {
+                        flags |= UserInfo.FLAG_EPHEMERAL;
+                    }
+
+                    userInfo = new UserInfo(userId, name, null, flags);
+                    userInfo.serialNumber = mNextSerialNumber++;
+                    long now = System.currentTimeMillis();
+                    userInfo.creationTime = (now > EPOCH_PLUS_30_YEARS) ? now : 0;
+                    userInfo.partial = true;
+                    userData = new UserData();
+                    userData.info = userInfo;
                     mUsers.put(userId, userData);
                 }
                 writeUserListLP();
@@ -2914,6 +2924,61 @@
                 Binder.restoreCallingIdentity(ident);
             }
         }
+
+        @Override
+        public void setForceEphemeralUsers(boolean forceEphemeralUsers) {
+            synchronized (mUsersLock) {
+                mForceEphemeralUsers = forceEphemeralUsers;
+            }
+        }
+
+        @Override
+        public void removeAllUsers() {
+            if (UserHandle.USER_SYSTEM == ActivityManager.getCurrentUser()) {
+                // Remove the non-system users straight away.
+                removeNonSystemUsers();
+            } else {
+                // Switch to the system user first and then remove the other users.
+                BroadcastReceiver userSwitchedReceiver = new BroadcastReceiver() {
+                    @Override
+                    public void onReceive(Context context, Intent intent) {
+                        int userId =
+                                intent.getIntExtra(Intent.EXTRA_USER_HANDLE, UserHandle.USER_NULL);
+                        if (userId != UserHandle.USER_SYSTEM) {
+                            return;
+                        }
+                        mContext.unregisterReceiver(this);
+                        removeNonSystemUsers();
+                    }
+                };
+                IntentFilter userSwitchedFilter = new IntentFilter();
+                userSwitchedFilter.addAction(Intent.ACTION_USER_SWITCHED);
+                mContext.registerReceiver(
+                        userSwitchedReceiver, userSwitchedFilter, null, mHandler);
+
+                // Switch to the system user.
+                ActivityManager am =
+                        (ActivityManager) mContext.getSystemService(Context.ACTIVITY_SERVICE);
+                am.switchUser(UserHandle.USER_SYSTEM);
+            }
+        }
+    }
+
+    /* Remove all the users except of the system one. */
+    private void removeNonSystemUsers() {
+        ArrayList<UserInfo> usersToRemove = new ArrayList<>();
+        synchronized (mUsersLock) {
+            final int userSize = mUsers.size();
+            for (int i = 0; i < userSize; i++) {
+                UserInfo ui = mUsers.valueAt(i).info;
+                if (ui.id != UserHandle.USER_SYSTEM) {
+                    usersToRemove.add(ui);
+                }
+            }
+        }
+        for (UserInfo ui: usersToRemove) {
+            removeUser(ui.id);
+        }
     }
 
     private class Shell extends ShellCommand {
diff --git a/services/core/java/com/android/server/power/PowerManagerService.java b/services/core/java/com/android/server/power/PowerManagerService.java
index 290019c..a1f24f7 100644
--- a/services/core/java/com/android/server/power/PowerManagerService.java
+++ b/services/core/java/com/android/server/power/PowerManagerService.java
@@ -131,6 +131,7 @@
     private static final int WAKE_LOCK_STAY_AWAKE = 1 << 5; // only set if already awake
     private static final int WAKE_LOCK_DOZE = 1 << 6;
     private static final int WAKE_LOCK_DRAW = 1 << 7;
+    private static final int WAKE_LOCK_SUSTAINED_PERFORMANCE = 1 << 8;
 
     // Summarizes the user activity state.
     private static final int USER_ACTIVITY_SCREEN_BRIGHT = 1 << 0;
@@ -149,6 +150,7 @@
 
     // Power hints defined in hardware/libhardware/include/hardware/power.h.
     private static final int POWER_HINT_LOW_POWER = 5;
+    private static final int POWER_HINT_SUSTAINED_PERFORMANCE = 6;
 
     // Power features defined in hardware/libhardware/include/hardware/power.h.
     private static final int POWER_FEATURE_DOUBLE_TAP_TO_WAKE = 1;
@@ -444,6 +446,9 @@
     // True if we are currently in light device idle mode.
     private boolean mLightDeviceIdleMode;
 
+    // True if we are currently in sustained performance mode.
+    private boolean mSustainedPerformanceMode;
+
     // Set of app ids that we will always respect the wake locks for.
     int[] mDeviceIdleWhitelist = new int[0];
 
@@ -452,6 +457,8 @@
 
     private final SparseIntArray mUidState = new SparseIntArray();
 
+    private final SparseIntArray mSustainedPerformanceUid = new SparseIntArray();
+
     // True if theater mode is enabled
     private boolean mTheaterModeEnabled;
 
@@ -811,6 +818,12 @@
                     throw new IllegalArgumentException("Wake lock is already dead.");
                 }
                 mWakeLocks.add(wakeLock);
+
+                if ((flags & PowerManager.WAKE_LOCK_LEVEL_MASK)
+                        == PowerManager.SUSTAINED_PERFORMANCE_WAKE_LOCK) {
+                    int numberWakelock = mSustainedPerformanceUid.get(uid);
+                    mSustainedPerformanceUid.put(uid, numberWakelock + 1);
+                }
                 setWakeLockDisabledStateLocked(wakeLock);
                 notifyAcquire = true;
             }
@@ -879,6 +892,17 @@
                 mRequestWaitForNegativeProximity = true;
             }
 
+
+            if ((wakeLock.mFlags & PowerManager.WAKE_LOCK_LEVEL_MASK)
+                    == PowerManager.SUSTAINED_PERFORMANCE_WAKE_LOCK) {
+                int numberWakelock = mSustainedPerformanceUid.get(wakeLock.mOwnerUid);
+                if (numberWakelock == 1) {
+                    mSustainedPerformanceUid.delete(wakeLock.mOwnerUid);
+                } else {
+                    mSustainedPerformanceUid.put(wakeLock.mOwnerUid, numberWakelock - 1);
+                }
+            }
+
             wakeLock.mLock.unlinkToDeath(wakeLock, 0);
             removeWakeLockLocked(wakeLock, index);
         }
@@ -1501,6 +1525,10 @@
                         break;
                     case PowerManager.DRAW_WAKE_LOCK:
                         mWakeLockSummary |= WAKE_LOCK_DRAW;
+                    case PowerManager.SUSTAINED_PERFORMANCE_WAKE_LOCK:
+                        if (!wakeLock.mDisabled) {
+                            mWakeLockSummary |= WAKE_LOCK_SUSTAINED_PERFORMANCE;
+                        }
                         break;
                 }
             }
@@ -2198,6 +2226,14 @@
         if (autoSuspend && mDecoupleHalAutoSuspendModeFromDisplayConfig) {
             setHalAutoSuspendModeLocked(true);
         }
+
+        if (mSustainedPerformanceMode
+                && (mWakeLockSummary & WAKE_LOCK_SUSTAINED_PERFORMANCE) == 0) {
+            setSustainedPerformanceModeLocked(false);
+        } else if (!mSustainedPerformanceMode
+                && (mWakeLockSummary & WAKE_LOCK_SUSTAINED_PERFORMANCE) != 0) {
+            setSustainedPerformanceModeLocked(true);
+        }
     }
 
     /**
@@ -2296,6 +2332,12 @@
         }
     }
 
+    private void setSustainedPerformanceModeLocked(boolean mode) {
+            mSustainedPerformanceMode = mode;
+            powerHintInternal(POWER_HINT_SUSTAINED_PERFORMANCE,
+                              mSustainedPerformanceMode ? 1 : 0);
+    }
+
     boolean isDeviceIdleModeInternal() {
         synchronized (mLock) {
             return mDeviceIdleMode;
@@ -2425,7 +2467,7 @@
     void updateUidProcStateInternal(int uid, int procState) {
         synchronized (mLock) {
             mUidState.put(uid, procState);
-            if (mDeviceIdleMode) {
+            if (mDeviceIdleMode || mSustainedPerformanceUid.get(uid) != 0) {
                 updateWakeLockDisabledStatesLocked();
             }
         }
@@ -2446,7 +2488,9 @@
         for (int i = 0; i < numWakeLocks; i++) {
             final WakeLock wakeLock = mWakeLocks.get(i);
             if ((wakeLock.mFlags & PowerManager.WAKE_LOCK_LEVEL_MASK)
-                    == PowerManager.PARTIAL_WAKE_LOCK) {
+                    == PowerManager.PARTIAL_WAKE_LOCK
+                    || (wakeLock.mFlags & PowerManager.WAKE_LOCK_LEVEL_MASK)
+                    == PowerManager.SUSTAINED_PERFORMANCE_WAKE_LOCK) {
                 if (setWakeLockDisabledStateLocked(wakeLock)) {
                     changed = true;
                     if (wakeLock.mDisabled) {
@@ -2465,9 +2509,9 @@
     }
 
     private boolean setWakeLockDisabledStateLocked(WakeLock wakeLock) {
+        boolean disabled = false;
         if ((wakeLock.mFlags & PowerManager.WAKE_LOCK_LEVEL_MASK)
                 == PowerManager.PARTIAL_WAKE_LOCK) {
-            boolean disabled = false;
             if (mDeviceIdleMode) {
                 final int appid = UserHandle.getAppId(wakeLock.mOwnerUid);
                 // If we are in idle mode, we will ignore all partial wake locks that are
@@ -2481,10 +2525,16 @@
                     disabled = true;
                 }
             }
-            if (wakeLock.mDisabled != disabled) {
-                wakeLock.mDisabled = disabled;
-                return true;
-            }
+        } else if ((wakeLock.mFlags & PowerManager.WAKE_LOCK_LEVEL_MASK)
+                == PowerManager.SUSTAINED_PERFORMANCE_WAKE_LOCK
+                && mUidState.get(wakeLock.mOwnerUid,
+                                 ActivityManager.PROCESS_STATE_CACHED_EMPTY)
+                > ActivityManager.PROCESS_STATE_TOP) {
+            disabled = true;
+        }
+        if (wakeLock.mDisabled != disabled) {
+            wakeLock.mDisabled = disabled;
+            return true;
         }
         return false;
     }
@@ -2695,6 +2745,7 @@
             pw.println("  mBatteryLevelLow=" + mBatteryLevelLow);
             pw.println("  mLightDeviceIdleMode=" + mLightDeviceIdleMode);
             pw.println("  mDeviceIdleMode=" + mDeviceIdleMode);
+            pw.println("  mSustainedPerformanceMode=" + mSustainedPerformanceMode);
             pw.println("  mDeviceIdleWhitelist=" + Arrays.toString(mDeviceIdleWhitelist));
             pw.println("  mDeviceIdleTempWhitelist=" + Arrays.toString(mDeviceIdleTempWhitelist));
             pw.println("  mLastWakeTime=" + TimeUtils.formatUptime(mLastWakeTime));
@@ -2809,6 +2860,14 @@
             pw.println();
             pw.println("Display Power: " + mDisplayPowerCallbacks);
 
+            pw.println();
+            pw.println("Sustained Performance UIDs:");
+            for (int i=0; i<mSustainedPerformanceUid.size(); i++) {
+                pw.print("  UID "); UserHandle.formatUid(pw, mSustainedPerformanceUid.keyAt(i));
+                pw.print(": "); pw.println(mSustainedPerformanceUid.valueAt(i));
+            }
+
+
             wcd = mWirelessChargerDetector;
         }
 
diff --git a/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java b/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java
index 4fd8990..fe62d15 100644
--- a/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java
+++ b/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java
@@ -471,6 +471,7 @@
         private static final String TAG_DISABLE_SCREEN_CAPTURE = "disable-screen-capture";
         private static final String TAG_DISABLE_ACCOUNT_MANAGEMENT = "disable-account-management";
         private static final String TAG_REQUIRE_AUTO_TIME = "require_auto_time";
+        private static final String TAG_FORCE_EPHEMERAL_USERS = "force_ephemeral_users";
         private static final String TAG_ACCOUNT_TYPE = "account-type";
         private static final String TAG_PERMITTED_ACCESSIBILITY_SERVICES
                 = "permitted-accessiblity-services";
@@ -559,6 +560,7 @@
         boolean disableBluetoothContactSharing = true;
         boolean disableScreenCapture = false; // Can only be set by a device/profile owner.
         boolean requireAutoTime = false; // Can only be set by a device owner.
+        boolean forceEphemeralUsers = false; // Can only be set by a device owner.
 
         ActiveAdmin parentAdmin;
         final boolean isParent;
@@ -749,6 +751,11 @@
                 out.attribute(null, ATTR_VALUE, Boolean.toString(requireAutoTime));
                 out.endTag(null, TAG_REQUIRE_AUTO_TIME);
             }
+            if (forceEphemeralUsers) {
+                out.startTag(null, TAG_FORCE_EPHEMERAL_USERS);
+                out.attribute(null, ATTR_VALUE, Boolean.toString(forceEphemeralUsers));
+                out.endTag(null, TAG_FORCE_EPHEMERAL_USERS);
+            }
             if (disabledKeyguardFeatures != DEF_KEYGUARD_FEATURES_DISABLED) {
                 out.startTag(null, TAG_DISABLE_KEYGUARD_FEATURES);
                 out.attribute(null, ATTR_VALUE, Integer.toString(disabledKeyguardFeatures));
@@ -919,7 +926,10 @@
                     disableScreenCapture = Boolean.parseBoolean(
                             parser.getAttributeValue(null, ATTR_VALUE));
                 } else if (TAG_REQUIRE_AUTO_TIME.equals(tag)) {
-                    requireAutoTime= Boolean.parseBoolean(
+                    requireAutoTime = Boolean.parseBoolean(
+                            parser.getAttributeValue(null, ATTR_VALUE));
+                } else if (TAG_FORCE_EPHEMERAL_USERS.equals(tag)) {
+                    forceEphemeralUsers = Boolean.parseBoolean(
                             parser.getAttributeValue(null, ATTR_VALUE));
                 } else if (TAG_DISABLE_KEYGUARD_FEATURES.equals(tag)) {
                     disabledKeyguardFeatures = Integer.parseInt(
@@ -1150,6 +1160,8 @@
                     pw.println(disableScreenCapture);
             pw.print(prefix); pw.print("requireAutoTime=");
                     pw.println(requireAutoTime);
+            pw.print(prefix); pw.print("forceEphemeralUsers=");
+                    pw.println(forceEphemeralUsers);
             pw.print(prefix); pw.print("disabledKeyguardFeatures=");
                     pw.println(disabledKeyguardFeatures);
             pw.print(prefix); pw.print("crossProfileWidgetProviders=");
@@ -2408,6 +2420,14 @@
         if (packageList != null) {
             mInjector.getPackageManagerInternal().setKeepUninstalledPackages(packageList);
         }
+
+        synchronized (this) {
+            // push the force-ephemeral-users policy to the user manager.
+            ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked();
+            if (deviceOwner != null) {
+                mUserManagerInternal.setForceEphemeralUsers(deviceOwner.forceEphemeralUsers);
+            }
+        }
     }
 
     private void ensureDeviceOwnerUserStarted() {
@@ -4789,6 +4809,46 @@
         }
     }
 
+    @Override
+    public void setForceEphemeralUsers(ComponentName who, boolean forceEphemeralUsers) {
+        if (!mHasFeature) {
+            return;
+        }
+        Preconditions.checkNotNull(who, "ComponentName is null");
+        boolean removeAllUsers = false;
+        synchronized (this) {
+            final ActiveAdmin deviceOwner =
+                    getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER);
+            if (deviceOwner.forceEphemeralUsers != forceEphemeralUsers) {
+                deviceOwner.forceEphemeralUsers = forceEphemeralUsers;
+                saveSettingsLocked(mInjector.userHandleGetCallingUserId());
+                mUserManagerInternal.setForceEphemeralUsers(forceEphemeralUsers);
+                removeAllUsers = forceEphemeralUsers;
+            }
+        }
+        if (removeAllUsers) {
+            long identitity = mInjector.binderClearCallingIdentity();
+            try {
+                mUserManagerInternal.removeAllUsers();
+            } finally {
+                mInjector.binderRestoreCallingIdentity(identitity);
+            }
+        }
+    }
+
+    @Override
+    public boolean getForceEphemeralUsers(ComponentName who) {
+        if (!mHasFeature) {
+            return false;
+        }
+        Preconditions.checkNotNull(who, "ComponentName is null");
+        synchronized (this) {
+            final ActiveAdmin deviceOwner =
+                    getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER);
+            return deviceOwner.forceEphemeralUsers;
+        }
+    }
+
     private void ensureDeviceOwnerManagingSingleUser(ComponentName who) throws SecurityException {
         synchronized (this) {
             getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER);
@@ -5319,6 +5379,8 @@
             if (admin != null) {
                 admin.disableCamera = false;
                 admin.userRestrictions = null;
+                admin.forceEphemeralUsers = false;
+                mUserManagerInternal.setForceEphemeralUsers(admin.forceEphemeralUsers);
             }
 
             clearUserPoliciesLocked(new UserHandle(UserHandle.USER_SYSTEM));
diff --git a/services/java/com/android/server/SystemServer.java b/services/java/com/android/server/SystemServer.java
index c186a12..361c251 100644
--- a/services/java/com/android/server/SystemServer.java
+++ b/services/java/com/android/server/SystemServer.java
@@ -84,6 +84,7 @@
 import com.android.server.power.PowerManagerService;
 import com.android.server.power.ShutdownThread;
 import com.android.server.restrictions.RestrictionsManagerService;
+import com.android.server.soundtrigger.SoundTriggerService;
 import com.android.server.statusbar.StatusBarManagerService;
 import com.android.server.storage.DeviceStorageMonitorService;
 import com.android.server.telecom.TelecomLoaderService;
@@ -959,6 +960,8 @@
 
             mSystemServiceManager.startService(JobSchedulerService.class);
 
+            mSystemServiceManager.startService(SoundTriggerService.class);
+
             if (!disableNonCoreServices) {
                 if (mPackageManager.hasSystemFeature(PackageManager.FEATURE_BACKUP)) {
                     mSystemServiceManager.startService(BACKUP_MANAGER_SERVICE_CLASS);
diff --git a/services/voiceinteraction/java/com/android/server/soundtrigger/SoundTriggerDbHelper.java b/services/voiceinteraction/java/com/android/server/soundtrigger/SoundTriggerDbHelper.java
new file mode 100644
index 0000000..18a5d59
--- /dev/null
+++ b/services/voiceinteraction/java/com/android/server/soundtrigger/SoundTriggerDbHelper.java
@@ -0,0 +1,144 @@
+/**
+ * Copyright (C) 2014 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 com.android.server.soundtrigger;
+
+import android.content.ContentValues;
+import android.content.Context;
+import android.database.Cursor;
+import android.database.sqlite.SQLiteDatabase;
+import android.database.sqlite.SQLiteOpenHelper;
+import android.hardware.soundtrigger.SoundTrigger;
+import android.hardware.soundtrigger.SoundTrigger.GenericSoundModel;
+import android.text.TextUtils;
+import android.util.Slog;
+
+import java.util.Locale;
+import java.util.UUID;
+
+/**
+ * Helper to manage the database of the sound models that have been registered on the device.
+ *
+ * @hide
+ */
+public class SoundTriggerDbHelper extends SQLiteOpenHelper {
+    static final String TAG = "SoundTriggerDbHelper";
+    static final boolean DBG = false;
+
+    private static final String NAME = "st_sound_model.db";
+    private static final int VERSION = 1;
+
+    // Sound trigger-based sound models.
+    public static interface GenericSoundModelContract {
+        public static final String TABLE = "st_sound_model";
+        public static final String KEY_MODEL_UUID = "model_uuid";
+        public static final String KEY_VENDOR_UUID = "vendor_uuid";
+        public static final String KEY_DATA = "data";
+    }
+
+
+    // Table Create Statement for the sound trigger table
+    private static final String CREATE_TABLE_ST_SOUND_MODEL = "CREATE TABLE "
+            + GenericSoundModelContract.TABLE + "("
+            + GenericSoundModelContract.KEY_MODEL_UUID + " TEXT PRIMARY KEY,"
+            + GenericSoundModelContract.KEY_DATA + " BLOB" + " )";
+
+
+    public SoundTriggerDbHelper(Context context) {
+        super(context, NAME, null, VERSION);
+    }
+
+    @Override
+    public void onCreate(SQLiteDatabase db) {
+        // creating required tables
+        db.execSQL(CREATE_TABLE_ST_SOUND_MODEL);
+    }
+
+    @Override
+    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
+        // TODO: For now, drop older tables and recreate new ones.
+        db.execSQL("DROP TABLE IF EXISTS " + GenericSoundModelContract.TABLE);
+        onCreate(db);
+    }
+
+    /**
+     * Updates the given sound trigger model, adds it, if it doesn't already exist.
+     *
+     */
+    public boolean updateGenericSoundModel(GenericSoundModel soundModel) {
+        synchronized(this) {
+            SQLiteDatabase db = getWritableDatabase();
+            ContentValues values = new ContentValues();
+            values.put(GenericSoundModelContract.KEY_MODEL_UUID, soundModel.uuid.toString());
+            values.put(GenericSoundModelContract.KEY_VENDOR_UUID, soundModel.vendorUuid.toString());
+            values.put(GenericSoundModelContract.KEY_DATA, soundModel.data);
+
+            try {
+                return db.insertWithOnConflict(GenericSoundModelContract.TABLE, null, values,
+                        SQLiteDatabase.CONFLICT_REPLACE) != -1;
+            } finally {
+                db.close();
+            }
+
+        }
+    }
+
+    public GenericSoundModel getGenericSoundModel(UUID model_uuid) {
+        synchronized(this) {
+
+            // Find the corresponding sound model ID for the keyphrase.
+            String selectQuery = "SELECT  * FROM " + GenericSoundModelContract.TABLE
+                    + " WHERE " + GenericSoundModelContract.KEY_MODEL_UUID + "= '" +
+                    model_uuid + "'";
+            SQLiteDatabase db = getReadableDatabase();
+            Cursor c = db.rawQuery(selectQuery, null);
+            try {
+                if (c.moveToFirst()) {
+                    do {
+                        byte[] data = c.getBlob(c.getColumnIndex(
+                                GenericSoundModelContract.KEY_DATA));
+                        String vendor_uuid = c.getString(
+                                c.getColumnIndex(GenericSoundModelContract.KEY_VENDOR_UUID));
+                        return new GenericSoundModel(model_uuid, UUID.fromString(vendor_uuid),
+                                data);
+                    } while (c.moveToNext());
+                }
+            } finally {
+                c.close();
+                db.close();
+            }
+        }
+        return null;
+    }
+
+    public boolean deleteGenericSoundModel(UUID model_uuid) {
+        synchronized(this) {
+            GenericSoundModel soundModel = getGenericSoundModel(model_uuid);
+            if (soundModel == null) {
+                return false;
+            }
+            // Delete all sound models for the given keyphrase and specified user.
+            SQLiteDatabase db = getWritableDatabase();
+            String soundModelClause = GenericSoundModelContract.KEY_MODEL_UUID
+                    + "='" + soundModel.uuid.toString() + "'";
+            try {
+                return db.delete(GenericSoundModelContract.TABLE, soundModelClause, null) != 0;
+            } finally {
+                db.close();
+            }
+        }
+    }
+}
diff --git a/services/voiceinteraction/java/com/android/server/voiceinteraction/SoundTriggerHelper.java b/services/voiceinteraction/java/com/android/server/soundtrigger/SoundTriggerHelper.java
similarity index 99%
rename from services/voiceinteraction/java/com/android/server/voiceinteraction/SoundTriggerHelper.java
rename to services/voiceinteraction/java/com/android/server/soundtrigger/SoundTriggerHelper.java
index 31d859f..597f915ec 100644
--- a/services/voiceinteraction/java/com/android/server/voiceinteraction/SoundTriggerHelper.java
+++ b/services/voiceinteraction/java/com/android/server/soundtrigger/SoundTriggerHelper.java
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package com.android.server.voiceinteraction;
+package com.android.server.soundtrigger;
 
 import android.content.BroadcastReceiver;
 import android.content.Context;
diff --git a/services/voiceinteraction/java/com/android/server/soundtrigger/SoundTriggerInternal.java b/services/voiceinteraction/java/com/android/server/soundtrigger/SoundTriggerInternal.java
new file mode 100644
index 0000000..0a06bfa
--- /dev/null
+++ b/services/voiceinteraction/java/com/android/server/soundtrigger/SoundTriggerInternal.java
@@ -0,0 +1,84 @@
+/**
+ * Copyright (C) 2014 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 com.android.server.soundtrigger;
+
+import android.hardware.soundtrigger.IRecognitionStatusCallback;
+import android.hardware.soundtrigger.SoundTrigger;
+import android.hardware.soundtrigger.SoundTrigger.Keyphrase;
+import android.hardware.soundtrigger.SoundTrigger.KeyphraseRecognitionEvent;
+import android.hardware.soundtrigger.SoundTrigger.KeyphraseRecognitionExtra;
+import android.hardware.soundtrigger.SoundTrigger.KeyphraseSoundModel;
+import android.hardware.soundtrigger.SoundTrigger.ModuleProperties;
+import android.hardware.soundtrigger.SoundTrigger.RecognitionConfig;
+import android.hardware.soundtrigger.SoundTrigger.RecognitionEvent;
+import android.hardware.soundtrigger.SoundTrigger.SoundModelEvent;
+import android.hardware.soundtrigger.SoundTriggerModule;
+
+import java.io.FileDescriptor;
+import java.io.PrintWriter;
+
+/**
+ * Provides a local service for managing voice-related recoginition models. This is primarily used
+ * by the {@link VoiceInteractionManagerService}.
+ */
+public abstract class SoundTriggerInternal {
+    /**
+     * Return codes for {@link #startRecognition(int, KeyphraseSoundModel,
+     *      IRecognitionStatusCallback, RecognitionConfig)},
+     * {@link #stopRecognition(int, IRecognitionStatusCallback)}
+     */
+    public static final int STATUS_ERROR = SoundTrigger.STATUS_ERROR;
+    public static final int STATUS_OK = SoundTrigger.STATUS_OK;
+
+    /** The {@link ModuleProperties} for the system, or null if none exists. */
+    private ModuleProperties moduleProperties;
+
+    /**
+     * Starts recognition for the given keyphraseId.
+     *
+     * @param keyphraseId The identifier of the keyphrase for which
+     *        the recognition is to be started.
+     * @param soundModel The sound model to use for recognition.
+     * @param listener The listener for the recognition events related to the given keyphrase.
+     * @return One of {@link #STATUS_ERROR} or {@link #STATUS_OK}.
+     */
+    public abstract int startRecognition(int keyphraseId, KeyphraseSoundModel soundModel,
+            IRecognitionStatusCallback listener, RecognitionConfig recognitionConfig);
+
+    /**
+     * Stops recognition for the given {@link Keyphrase} if a recognition is
+     * currently active.
+     *
+     * @param keyphraseId The identifier of the keyphrase for which
+     *        the recognition is to be stopped.
+     * @param listener The listener for the recognition events related to the given keyphrase.
+     *
+     * @return One of {@link #STATUS_ERROR} or {@link #STATUS_OK}.
+     */
+    public abstract int stopRecognition(int keyphraseId, IRecognitionStatusCallback listener);
+
+    /**
+     * Stops all recognitions active currently and clears the internal state.
+     */
+    public abstract void stopAllRecognitions();
+
+    public ModuleProperties getModuleProperties() {
+        return moduleProperties;
+    }
+
+    public abstract void dump(FileDescriptor fd, PrintWriter pw, String[] args);
+}
diff --git a/services/voiceinteraction/java/com/android/server/soundtrigger/SoundTriggerService.java b/services/voiceinteraction/java/com/android/server/soundtrigger/SoundTriggerService.java
new file mode 100644
index 0000000..5e8fe9e
--- /dev/null
+++ b/services/voiceinteraction/java/com/android/server/soundtrigger/SoundTriggerService.java
@@ -0,0 +1,194 @@
+/*
+ * Copyright (C) 2014 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 com.android.server.soundtrigger;
+
+import android.content.Context;
+import android.content.pm.PackageManager;
+import android.Manifest;
+import android.hardware.soundtrigger.IRecognitionStatusCallback;
+import android.hardware.soundtrigger.SoundTrigger;
+import android.hardware.soundtrigger.SoundTrigger.GenericSoundModel;
+import android.hardware.soundtrigger.SoundTrigger.KeyphraseSoundModel;
+import android.hardware.soundtrigger.SoundTrigger.RecognitionConfig;
+import android.os.Parcel;
+import android.os.ParcelUuid;
+import android.os.RemoteException;
+import android.util.Slog;
+
+import com.android.server.SystemService;
+import com.android.internal.app.ISoundTriggerService;
+
+import java.io.FileDescriptor;
+import java.io.PrintWriter;
+import java.util.UUID;
+
+/**
+ * A single SystemService to manage all sound/voice-based sound models on the DSP.
+ * This services provides apis to manage sound trigger-based sound models via
+ * the ISoundTriggerService interface. This class also publishes a local interface encapsulating
+ * the functionality provided by {@link SoundTriggerHelper} for use by
+ * {@link VoiceInteractionManagerService}.
+ *
+ * @hide
+ */
+public class SoundTriggerService extends SystemService {
+    static final String TAG = "SoundTriggerService";
+    static final boolean DEBUG = false;
+
+    final Context mContext;
+    private final SoundTriggerServiceStub mServiceStub;
+    private final LocalSoundTriggerService mLocalSoundTriggerService;
+    private SoundTriggerDbHelper mDbHelper;
+
+    public SoundTriggerService(Context context) {
+        super(context);
+        mContext = context;
+        mServiceStub = new SoundTriggerServiceStub();
+        mLocalSoundTriggerService = new LocalSoundTriggerService(context);
+    }
+
+    @Override
+    public void onStart() {
+        publishBinderService(Context.SOUND_TRIGGER_SERVICE, mServiceStub);
+        publishLocalService(SoundTriggerInternal.class, mLocalSoundTriggerService);
+    }
+
+    @Override
+    public void onBootPhase(int phase) {
+        if (PHASE_SYSTEM_SERVICES_READY == phase) {
+            mLocalSoundTriggerService.initSoundTriggerHelper();
+        } else if (PHASE_THIRD_PARTY_APPS_CAN_START == phase) {
+            mDbHelper = new SoundTriggerDbHelper(mContext);
+        }
+    }
+
+    @Override
+    public void onStartUser(int userHandle) {
+    }
+
+    @Override
+    public void onSwitchUser(int userHandle) {
+    }
+
+    class SoundTriggerServiceStub extends ISoundTriggerService.Stub {
+        @Override
+        public boolean onTransact(int code, Parcel data, Parcel reply, int flags)
+                throws RemoteException {
+            try {
+                return super.onTransact(code, data, reply, flags);
+            } catch (RuntimeException e) {
+                // The activity manager only throws security exceptions, so let's
+                // log all others.
+                if (!(e instanceof SecurityException)) {
+                    Slog.wtf(TAG, "SoundTriggerService Crash", e);
+                }
+                throw e;
+            }
+        }
+
+        @Override
+        public void startRecognition(ParcelUuid parcelUuid, IRecognitionStatusCallback callback) {
+            enforceCallingPermission(Manifest.permission.MANAGE_SOUND_TRIGGER);
+            if (DEBUG) {
+                Slog.i(TAG, "startRecognition(): Uuid : " + parcelUuid);
+            }
+        }
+
+        @Override
+        public void stopRecognition(ParcelUuid parcelUuid, IRecognitionStatusCallback callback) {
+            enforceCallingPermission(Manifest.permission.MANAGE_SOUND_TRIGGER);
+            if (DEBUG) {
+                Slog.i(TAG, "stopRecognition(): Uuid : " + parcelUuid);
+            }
+        }
+
+        @Override
+        public SoundTrigger.GenericSoundModel getSoundModel(ParcelUuid soundModelId) {
+            enforceCallingPermission(Manifest.permission.MANAGE_SOUND_TRIGGER);
+            if (DEBUG) {
+                Slog.i(TAG, "getSoundModel(): id = " + soundModelId);
+            }
+            SoundTrigger.GenericSoundModel model = mDbHelper.getGenericSoundModel(soundModelId.getUuid());
+            if (model == null) {
+                Slog.e(TAG, "Null model in database.");
+            }
+            return model;
+        }
+
+        @Override
+        public void updateSoundModel(SoundTrigger.GenericSoundModel soundModel) {
+            enforceCallingPermission(Manifest.permission.MANAGE_SOUND_TRIGGER);
+            if (DEBUG) {
+                Slog.i(TAG, "updateSoundModel(): model = " + soundModel);
+            }
+            mDbHelper.updateGenericSoundModel(soundModel);
+        }
+
+        @Override
+        public void deleteSoundModel(ParcelUuid soundModelId) {
+            enforceCallingPermission(Manifest.permission.MANAGE_SOUND_TRIGGER);
+            if (DEBUG) {
+                Slog.i(TAG, "deleteSoundModel(): id = " + soundModelId);
+            }
+            mDbHelper.deleteGenericSoundModel(soundModelId.getUuid());
+        }
+    }
+
+    public final class LocalSoundTriggerService extends SoundTriggerInternal {
+        private final Context mContext;
+        private SoundTriggerHelper mSoundTriggerHelper;
+
+        LocalSoundTriggerService(Context context) {
+            mContext = context;
+        }
+
+        void initSoundTriggerHelper() {
+            if (mSoundTriggerHelper == null) {
+                mSoundTriggerHelper = new SoundTriggerHelper(mContext);
+            }
+        }
+
+        @Override
+        public int startRecognition(int keyphraseId, KeyphraseSoundModel soundModel,
+                IRecognitionStatusCallback listener, RecognitionConfig recognitionConfig) {
+            return mSoundTriggerHelper.startRecognition(keyphraseId, soundModel, listener,
+                    recognitionConfig);
+        }
+
+        @Override
+        public int stopRecognition(int keyphraseId, IRecognitionStatusCallback listener) {
+            return mSoundTriggerHelper.stopRecognition(keyphraseId, listener);
+        }
+
+        @Override
+        public void stopAllRecognitions() {
+            mSoundTriggerHelper.stopAllRecognitions();
+        }
+
+        @Override
+        public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
+            mSoundTriggerHelper.dump(fd, pw, args);
+        }
+    }
+
+    private void enforceCallingPermission(String permission) {
+        if (mContext.checkCallingOrSelfPermission(permission)
+                != PackageManager.PERMISSION_GRANTED) {
+            throw new SecurityException("Caller does not hold the permission " + permission);
+        }
+    }
+}
diff --git a/services/voiceinteraction/java/com/android/server/voiceinteraction/VoiceInteractionManagerService.java b/services/voiceinteraction/java/com/android/server/voiceinteraction/VoiceInteractionManagerService.java
index 2aef109..4a54643 100644
--- a/services/voiceinteraction/java/com/android/server/voiceinteraction/VoiceInteractionManagerService.java
+++ b/services/voiceinteraction/java/com/android/server/voiceinteraction/VoiceInteractionManagerService.java
@@ -62,6 +62,7 @@
 import com.android.internal.content.PackageMonitor;
 import com.android.internal.os.BackgroundThread;
 import com.android.server.LocalServices;
+import com.android.server.soundtrigger.SoundTriggerInternal;
 import com.android.server.SystemService;
 import com.android.server.UiThread;
 
@@ -79,15 +80,14 @@
     final Context mContext;
     final ContentResolver mResolver;
     final DatabaseHelper mDbHelper;
-    final SoundTriggerHelper mSoundTriggerHelper;
     final ActivityManagerInternal mAmInternal;
+    SoundTriggerInternal mSoundTriggerInternal;
 
     public VoiceInteractionManagerService(Context context) {
         super(context);
         mContext = context;
         mResolver = context.getContentResolver();
         mDbHelper = new DatabaseHelper(context);
-        mSoundTriggerHelper = new SoundTriggerHelper(context);
         mServiceStub = new VoiceInteractionManagerServiceStub();
         mAmInternal = LocalServices.getService(ActivityManagerInternal.class);
 
@@ -115,7 +115,9 @@
 
     @Override
     public void onBootPhase(int phase) {
-        if (phase == PHASE_THIRD_PARTY_APPS_CAN_START) {
+        if (PHASE_SYSTEM_SERVICES_READY == phase) {
+            mSoundTriggerInternal = LocalServices.getService(SoundTriggerInternal.class);
+        } else if (phase == PHASE_THIRD_PARTY_APPS_CAN_START) {
             mServiceStub.systemRunning(isSafeMode());
         }
     }
@@ -380,7 +382,7 @@
 
                 if (force || mImpl == null || mImpl.mUser != mCurUser
                         || !mImpl.mComponent.equals(serviceComponent)) {
-                    mSoundTriggerHelper.stopAllRecognitions();
+                    mSoundTriggerInternal.stopAllRecognitions();
                     if (mImpl != null) {
                         mImpl.shutdownLocked();
                     }
@@ -736,9 +738,9 @@
                             mImpl.notifySoundModelsChangedLocked();
                         }
                     }
-                    return SoundTriggerHelper.STATUS_OK;
+                    return SoundTriggerInternal.STATUS_OK;
                 } else {
-                    return SoundTriggerHelper.STATUS_ERROR;
+                    return SoundTriggerInternal.STATUS_ERROR;
                 }
             } finally {
                 Binder.restoreCallingIdentity(caller);
@@ -759,7 +761,7 @@
             boolean deleted = false;
             try {
                 deleted = mDbHelper.deleteKeyphraseSoundModel(keyphraseId, callingUid, bcp47Locale);
-                return deleted ? SoundTriggerHelper.STATUS_OK : SoundTriggerHelper.STATUS_ERROR;
+                return deleted ? SoundTriggerInternal.STATUS_OK : SoundTriggerInternal.STATUS_ERROR;
             } finally {
                 if (deleted) {
                     synchronized (this) {
@@ -812,7 +814,7 @@
 
                 final long caller = Binder.clearCallingIdentity();
                 try {
-                    return mSoundTriggerHelper.moduleProperties;
+                    return mSoundTriggerInternal.getModuleProperties();
                 } finally {
                     Binder.restoreCallingIdentity(caller);
                 }
@@ -845,9 +847,9 @@
                         || soundModel.uuid == null
                         || soundModel.keyphrases == null) {
                     Slog.w(TAG, "No matching sound model found in startRecognition");
-                    return SoundTriggerHelper.STATUS_ERROR;
+                    return SoundTriggerInternal.STATUS_ERROR;
                 } else {
-                    return mSoundTriggerHelper.startRecognition(
+                    return mSoundTriggerInternal.startRecognition(
                             keyphraseId, soundModel, callback, recognitionConfig);
                 }
             } finally {
@@ -869,7 +871,7 @@
 
             final long caller = Binder.clearCallingIdentity();
             try {
-                return mSoundTriggerHelper.stopRecognition(keyphraseId, callback);
+                return mSoundTriggerInternal.stopRecognition(keyphraseId, callback);
             } finally {
                 Binder.restoreCallingIdentity(caller);
             }
@@ -1011,7 +1013,7 @@
                 }
                 mImpl.dumpLocked(fd, pw, args);
             }
-            mSoundTriggerHelper.dump(fd, pw, args);
+            mSoundTriggerInternal.dump(fd, pw, args);
         }
 
         private void enforceCallingPermission(String permission) {
@@ -1060,7 +1062,7 @@
                     // The user is force stopping our current interactor/recognizer.
                     // Clear the current settings and restore default state.
                     synchronized (VoiceInteractionManagerService.this) {
-                        mSoundTriggerHelper.stopAllRecognitions();
+                        mSoundTriggerInternal.stopAllRecognitions();
                         if (mImpl != null) {
                             mImpl.shutdownLocked();
                             mImpl = null;
diff --git a/telecomm/java/android/telecom/Call.java b/telecomm/java/android/telecom/Call.java
index 3859294..de90202 100644
--- a/telecomm/java/android/telecom/Call.java
+++ b/telecomm/java/android/telecom/Call.java
@@ -265,6 +265,7 @@
         // Next PROPERTY value: 0x00000040
         //******************************************************************************************
 
+        private final String mTelecomCallId;
         private final Uri mHandle;
         private final int mHandlePresentation;
         private final String mCallerDisplayName;
@@ -414,6 +415,11 @@
             return builder.toString();
         }
 
+        /** {@hide} */
+        public String getTelecomCallId() {
+            return mTelecomCallId;
+        }
+
         /**
          * @return The handle (e.g., phone number) to which the {@code Call} is currently
          * connected.
@@ -567,6 +573,7 @@
 
         /** {@hide} */
         public Details(
+                String telecomCallId,
                 Uri handle,
                 int handlePresentation,
                 String callerDisplayName,
@@ -581,6 +588,7 @@
                 StatusHints statusHints,
                 Bundle extras,
                 Bundle intentExtras) {
+            mTelecomCallId = telecomCallId;
             mHandle = handle;
             mHandlePresentation = handlePresentation;
             mCallerDisplayName = callerDisplayName;
@@ -596,6 +604,26 @@
             mExtras = extras;
             mIntentExtras = intentExtras;
         }
+
+        /** {@hide} */
+        public static Details createFromParcelableCall(ParcelableCall parcelableCall) {
+            return new Details(
+                    parcelableCall.getId(),
+                    parcelableCall.getHandle(),
+                    parcelableCall.getHandlePresentation(),
+                    parcelableCall.getCallerDisplayName(),
+                    parcelableCall.getCallerDisplayNamePresentation(),
+                    parcelableCall.getAccountHandle(),
+                    parcelableCall.getCapabilities(),
+                    parcelableCall.getProperties(),
+                    parcelableCall.getDisconnectCause(),
+                    parcelableCall.getConnectTimeMillis(),
+                    parcelableCall.getGatewayInfo(),
+                    parcelableCall.getVideoState(),
+                    parcelableCall.getStatusHints(),
+                    parcelableCall.getExtras(),
+                    parcelableCall.getIntentExtras());
+        }
     }
 
     public static abstract class Callback {
@@ -1022,21 +1050,7 @@
     /** {@hide} */
     final void internalUpdate(ParcelableCall parcelableCall, Map<String, Call> callIdMap) {
         // First, we update the internal state as far as possible before firing any updates.
-        Details details = new Details(
-                parcelableCall.getHandle(),
-                parcelableCall.getHandlePresentation(),
-                parcelableCall.getCallerDisplayName(),
-                parcelableCall.getCallerDisplayNamePresentation(),
-                parcelableCall.getAccountHandle(),
-                parcelableCall.getCapabilities(),
-                parcelableCall.getProperties(),
-                parcelableCall.getDisconnectCause(),
-                parcelableCall.getConnectTimeMillis(),
-                parcelableCall.getGatewayInfo(),
-                parcelableCall.getVideoState(),
-                parcelableCall.getStatusHints(),
-                parcelableCall.getExtras(),
-                parcelableCall.getIntentExtras());
+        Details details = Details.createFromParcelableCall(parcelableCall);
         boolean detailsChanged = !Objects.equals(mDetails, details);
         if (detailsChanged) {
             mDetails = details;
diff --git a/telecomm/java/android/telecom/CallScreeningService.java b/telecomm/java/android/telecom/CallScreeningService.java
new file mode 100644
index 0000000..1b6e162
--- /dev/null
+++ b/telecomm/java/android/telecom/CallScreeningService.java
@@ -0,0 +1,239 @@
+/*
+ * Copyright (C) 2016 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.telecom;
+
+import android.annotation.SdkConstant;
+import android.app.Service;
+import android.content.Intent;
+import android.os.Handler;
+import android.os.IBinder;
+import android.os.Looper;
+import android.os.Message;
+import android.os.RemoteException;
+
+import com.android.internal.os.SomeArgs;
+import com.android.internal.telecom.ICallScreeningService;
+import com.android.internal.telecom.ICallScreeningAdapter;
+
+/**
+ * This service can be implemented by the default dialer (see
+ * {@link TelecomManager#getDefaultDialerPackage()}) to allow or disallow incoming calls before
+ * they are shown to a user.
+ * <p>
+ * Below is an example manifest registration for a {@code CallScreeningService}.
+ * <pre>
+ * {@code
+ * <service android:name="your.package.YourCallScreeningServiceImplementation"
+ *          android:permission="android.permission.BIND_SCREENING_SERVICE">
+ *      <intent-filter>
+ *          <action android:name="android.telecom.CallScreeningService"/>
+ *      </intent-filter>
+ * </service>
+ * }
+ * </pre>
+ */
+public abstract class CallScreeningService extends Service {
+    /**
+     * The {@link Intent} that must be declared as handled by the service.
+     */
+    @SdkConstant(SdkConstant.SdkConstantType.SERVICE_ACTION)
+    public static final String SERVICE_INTERFACE = "android.telecom.CallScreeningService";
+
+    private static final int MSG_SCREEN_CALL = 1;
+
+    private final Handler mHandler = new Handler(Looper.getMainLooper()) {
+        @Override
+        public void handleMessage(Message msg) {
+            switch (msg.what) {
+                case MSG_SCREEN_CALL:
+                    SomeArgs args = (SomeArgs) msg.obj;
+                    try {
+                        mCallScreeningAdapter = (ICallScreeningAdapter) args.arg1;
+                        onScreenCall(
+                                Call.Details.createFromParcelableCall((ParcelableCall) args.arg2));
+                    } finally {
+                        args.recycle();
+                    }
+                    break;
+            }
+        }
+    };
+
+    private final class CallScreeningBinder extends ICallScreeningService.Stub {
+        @Override
+        public void screenCall(ICallScreeningAdapter adapter, ParcelableCall call) {
+            Log.v(this, "screenCall");
+            SomeArgs args = SomeArgs.obtain();
+            args.arg1 = adapter;
+            args.arg2 = call;
+            mHandler.obtainMessage(MSG_SCREEN_CALL, args).sendToTarget();
+        }
+    }
+
+    private ICallScreeningAdapter mCallScreeningAdapter;
+
+    /*
+     * Information about how to respond to an incoming call.
+     */
+    public class CallResponse {
+        private final boolean mShouldDisallowCall;
+        private final boolean mShouldRejectCall;
+        private final boolean mShouldSkipCallLog;
+        private final boolean mShouldSkipNotification;
+
+        private CallResponse(
+                boolean shouldDisallowCall,
+                boolean shouldRejectCall,
+                boolean shouldSkipCallLog,
+                boolean shouldSkipNotification) {
+            if (!shouldDisallowCall
+                    && (shouldRejectCall || shouldSkipCallLog || shouldSkipNotification)) {
+                throw new IllegalStateException("Invalid response state for allowed call.");
+            }
+
+            mShouldDisallowCall = shouldDisallowCall;
+            mShouldRejectCall = shouldRejectCall;
+            mShouldSkipCallLog = shouldSkipCallLog;
+            mShouldSkipNotification = shouldSkipNotification;
+        }
+
+        /*
+         * @return Whether the incoming call should be blocked.
+         */
+        public boolean getDisallowCall() {
+            return mShouldDisallowCall;
+        }
+
+        /*
+         * @return Whether the incoming call should be disconnected as if the user had manually
+         * rejected it.
+         */
+        public boolean getRejectCall() {
+            return mShouldRejectCall;
+        }
+
+        /*
+         * @return Whether the incoming call should not be displayed in the call log.
+         */
+        public boolean getSkipCallLog() {
+            return mShouldSkipCallLog;
+        }
+
+        /*
+         * @return Whether a missed call notification should not be shown for the incoming call.
+         */
+        public boolean getSkipNotification() {
+            return mShouldSkipNotification;
+        }
+
+        public class Builder {
+            private boolean mShouldDisallowCall;
+            private boolean mShouldRejectCall;
+            private boolean mShouldSkipCallLog;
+            private boolean mShouldSkipNotification;
+
+            /*
+             * Sets whether the incoming call should be blocked.
+             */
+            public Builder setDisallowCall(boolean shouldDisallowCall) {
+                mShouldDisallowCall = shouldDisallowCall;
+                return this;
+            }
+
+            /*
+             * Sets whether the incoming call should be disconnected as if the user had manually
+             * rejected it. This property should only be set to true if the call is disallowed.
+             */
+            public Builder setRejectCall(boolean shouldRejectCall) {
+                mShouldRejectCall = shouldRejectCall;
+                return this;
+            }
+
+            /*
+             * Sets whether the incoming call should not be displayed in the call log. This property
+             * should only be set to true if the call is disallowed.
+             */
+            public Builder setSkipCallLog(boolean shouldSkipCallLog) {
+                mShouldSkipCallLog = shouldSkipCallLog;
+                return this;
+            }
+
+            /*
+             * Sets whether a missed call notification should not be shown for the incoming call.
+             * This property should only be set to true if the call is disallowed.
+             */
+            public Builder setSkipNotification(boolean shouldSkipNotification) {
+                mShouldSkipNotification = shouldSkipNotification;
+                return this;
+            }
+
+            public CallResponse build() {
+                return new CallResponse(
+                        mShouldDisallowCall,
+                        mShouldRejectCall,
+                        mShouldSkipCallLog,
+                        mShouldSkipNotification);
+            }
+       }
+    }
+
+    public CallScreeningService() {
+    }
+
+    @Override
+    public IBinder onBind(Intent intent) {
+        Log.v(this, "onBind");
+        return new CallScreeningBinder();
+    }
+
+    @Override
+    public boolean onUnbind(Intent intent) {
+        Log.v(this, "onUnbind");
+        return false;
+    }
+
+    /**
+     * Called when a new incoming call is added.
+     * {@link CallScreeningService#respondToCall(Call.Details, CallScreeningService.CallResponse)}
+     * should be called to allow or disallow the call.
+     *
+     * @param callDetails Information about a new incoming call, see {@link Call.Details}.
+     */
+    public abstract void onScreenCall(Call.Details callDetails);
+
+    /**
+     * Responds to the given call, either allowing it or disallowing it.
+     *
+     * @param callDetails The call to allow.
+     * @param response The {@link CallScreeningService.CallResponse} which contains information
+     * about how to respond to a call.
+     */
+    public final void respondToCall(Call.Details callDetails, CallResponse response) {
+        try {
+            if (response.getDisallowCall()) {
+                mCallScreeningAdapter.disallowCall(
+                        callDetails.getTelecomCallId(),
+                        response.getRejectCall(),
+                        !response.getSkipCallLog(),
+                        !response.getSkipNotification());
+            } else {
+                mCallScreeningAdapter.allowCall(callDetails.getTelecomCallId());
+            }
+        } catch (RemoteException e) {
+        }
+    }
+}
diff --git a/telecomm/java/android/telecom/InCallService.java b/telecomm/java/android/telecom/InCallService.java
index 426b240..671399b 100644
--- a/telecomm/java/android/telecom/InCallService.java
+++ b/telecomm/java/android/telecom/InCallService.java
@@ -73,6 +73,7 @@
     private static final int MSG_ON_CALL_AUDIO_STATE_CHANGED = 5;
     private static final int MSG_BRING_TO_FOREGROUND = 6;
     private static final int MSG_ON_CAN_ADD_CALL_CHANGED = 7;
+    private static final int MSG_SILENCE_RINGER = 8;
 
     /** Default Handler used to consolidate binder method calls onto a single thread. */
     private final Handler mHandler = new Handler(Looper.getMainLooper()) {
@@ -114,6 +115,9 @@
                 case MSG_ON_CAN_ADD_CALL_CHANGED:
                     mPhone.internalSetCanAddCall(msg.arg1 == 1);
                     break;
+                case MSG_SILENCE_RINGER:
+                    mPhone.internalSilenceRinger();
+                    break;
                 default:
                     break;
             }
@@ -165,6 +169,11 @@
             mHandler.obtainMessage(MSG_ON_CAN_ADD_CALL_CHANGED, canAddCall ? 1 : 0, 0)
                     .sendToTarget();
         }
+
+        @Override
+        public void silenceRinger() {
+            mHandler.obtainMessage(MSG_SILENCE_RINGER).sendToTarget();
+        }
     }
 
     private Phone.Listener mPhoneListener = new Phone.Listener() {
@@ -202,6 +211,12 @@
             InCallService.this.onCanAddCallChanged(canAddCall);
         }
 
+        /** ${inheritDoc} */
+        @Override
+        public void onSilenceRinger(Phone phone) {
+            InCallService.this.onSilenceRinger();
+        }
+
     };
 
     private Phone mPhone;
@@ -405,6 +420,12 @@
     }
 
     /**
+     * Called to silence the ringer if a ringing call exists.
+     */
+    public void onSilenceRinger() {
+    }
+
+    /**
      * Used to issue commands to the {@link Connection.VideoProvider} associated with a
      * {@link Call}.
      */
diff --git a/telecomm/java/android/telecom/Phone.java b/telecomm/java/android/telecom/Phone.java
index 47154da..56eb7ec 100644
--- a/telecomm/java/android/telecom/Phone.java
+++ b/telecomm/java/android/telecom/Phone.java
@@ -97,6 +97,13 @@
          * @param canAddCall Indicates whether an additional call can be added.
          */
         public void onCanAddCallChanged(Phone phone, boolean canAddCall) { }
+
+        /**
+         * Called to silence the ringer if a ringing call exists.
+         *
+         * @param phone The {@code Phone} calling this method.
+         */
+        public void onSilenceRinger(Phone phone) { }
     }
 
     // A Map allows us to track each Call by its Telecom-specified call ID
@@ -179,6 +186,10 @@
         }
     }
 
+    final void internalSilenceRinger() {
+        fireSilenceRinger();
+    }
+
     /**
      * Called to destroy the phone and cleanup any lingering calls.
      */
@@ -330,6 +341,12 @@
         }
     }
 
+    private void fireSilenceRinger() {
+        for (Listener listener : mListeners) {
+            listener.onSilenceRinger(this);
+        }
+    }
+
     private void checkCallTree(ParcelableCall parcelableCall) {
         if (parcelableCall.getParentCallId() != null &&
                 !mCallByTelecomCallId.containsKey(parcelableCall.getParentCallId())) {
diff --git a/telecomm/java/android/telecom/TelecomManager.java b/telecomm/java/android/telecom/TelecomManager.java
index 497864e..72ff272 100644
--- a/telecomm/java/android/telecom/TelecomManager.java
+++ b/telecomm/java/android/telecom/TelecomManager.java
@@ -308,6 +308,15 @@
             "android.telecom.IN_CALL_SERVICE_CAR_MODE_UI";
 
     /**
+     * A boolean meta-data value indicating whether an {@link InCallService} implements ringing.
+     * Dialer implementations (see {@link #getDefaultDialerPackage()}) which would also like to
+     * override the system provided ringing should set this meta-data to {@code true} in the
+     * manifest registration of their {@link InCallService}.
+     */
+    public static final String METADATA_IN_CALL_SERVICE_RINGING =
+            "android.telecom.IN_CALL_SERVICE_RINGING";
+
+    /**
      * The dual tone multi-frequency signaling character sent to indicate the dialing system should
      * pause for a predefined period.
      */
diff --git a/telecomm/java/com/android/internal/telecom/ICallScreeningAdapter.aidl b/telecomm/java/com/android/internal/telecom/ICallScreeningAdapter.aidl
new file mode 100644
index 0000000..2e0af27
--- /dev/null
+++ b/telecomm/java/com/android/internal/telecom/ICallScreeningAdapter.aidl
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2016 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 com.android.internal.telecom;
+
+/**
+ * Internal remote callback interface for call screening services.
+ *
+ * @see android.telecom.CallScreeningService
+ *
+ * {@hide}
+ */
+oneway interface ICallScreeningAdapter {
+    void allowCall(String callId);
+
+    void disallowCall(
+            String callId,
+            boolean shouldReject,
+            boolean shouldAddToCallLog,
+            boolean shouldShowNotification);
+}
diff --git a/telecomm/java/com/android/internal/telecom/ICallScreeningService.aidl b/telecomm/java/com/android/internal/telecom/ICallScreeningService.aidl
new file mode 100644
index 0000000..c3fe1af
--- /dev/null
+++ b/telecomm/java/com/android/internal/telecom/ICallScreeningService.aidl
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2016 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 com.android.internal.telecom;
+
+import android.telecom.ParcelableCall;
+
+import com.android.internal.telecom.ICallScreeningAdapter;
+
+/**
+ * Internal remote interface for a call screening service.
+ * @see android.telecom.CallScreeningService
+ * @hide
+ */
+oneway interface ICallScreeningService {
+    void screenCall(in ICallScreeningAdapter adapter, in ParcelableCall call);
+}
diff --git a/telecomm/java/com/android/internal/telecom/IInCallService.aidl b/telecomm/java/com/android/internal/telecom/IInCallService.aidl
index ded47d5..0088e0c 100644
--- a/telecomm/java/com/android/internal/telecom/IInCallService.aidl
+++ b/telecomm/java/com/android/internal/telecom/IInCallService.aidl
@@ -45,4 +45,6 @@
     void bringToForeground(boolean showDialpad);
 
     void onCanAddCallChanged(boolean canAddCall);
+
+    void silenceRinger();
 }
diff --git a/telephony/java/android/telephony/CarrierConfigManager.java b/telephony/java/android/telephony/CarrierConfigManager.java
index 630dacc..4368b81 100644
--- a/telephony/java/android/telephony/CarrierConfigManager.java
+++ b/telephony/java/android/telephony/CarrierConfigManager.java
@@ -409,6 +409,11 @@
     public static final String KEY_VVM_CELLULAR_DATA_REQUIRED_BOOLEAN = "vvm_cellular_data_required";
 
     /**
+     * Whether to prefetch audio data on new voicemail arrival, defaulted to true.
+     */
+    public static final String KEY_VVM_PREFETCH_BOOLEAN = "vvm_prefetch";
+
+    /**
      * The package name of the carrier's visual voicemail app to ensure that dialer visual voicemail
      * and carrier visual voicemail are not active at the same time.
      */
@@ -638,6 +643,7 @@
         sDefaults.putInt(KEY_VVM_PORT_NUMBER_INT, 0);
         sDefaults.putString(KEY_VVM_TYPE_STRING, "");
         sDefaults.putBoolean(KEY_VVM_CELLULAR_DATA_REQUIRED_BOOLEAN,false);
+        sDefaults.putBoolean(KEY_VVM_PREFETCH_BOOLEAN,true);
         sDefaults.putString(KEY_CARRIER_VVM_PACKAGE_NAME_STRING, "");
         sDefaults.putBoolean(KEY_CI_ACTION_ON_SYS_UPDATE_BOOL, false);
         sDefaults.putString(KEY_CI_ACTION_ON_SYS_UPDATE_INTENT_STRING, "");
diff --git a/telephony/java/android/telephony/CellIdentityGsm.java b/telephony/java/android/telephony/CellIdentityGsm.java
index 90d2aa0..74f1171 100644
--- a/telephony/java/android/telephony/CellIdentityGsm.java
+++ b/telephony/java/android/telephony/CellIdentityGsm.java
@@ -38,6 +38,10 @@
     private final int mLac;
     // 16-bit GSM Cell Identity described in TS 27.007, 0..65535
     private final int mCid;
+    // 16-bit GSM Absolute RF Channel Number
+    private final int mArfcn;
+    // 6-bit Base Station Identity Code
+    private final int mBsic;
 
     /**
      * @hide
@@ -47,6 +51,8 @@
         mMnc = Integer.MAX_VALUE;
         mLac = Integer.MAX_VALUE;
         mCid = Integer.MAX_VALUE;
+        mArfcn = Integer.MAX_VALUE;
+        mBsic = Integer.MAX_VALUE;
     }
     /**
      * public constructor
@@ -58,10 +64,27 @@
      * @hide
      */
     public CellIdentityGsm (int mcc, int mnc, int lac, int cid) {
+        this(mcc, mnc, lac, cid, Integer.MAX_VALUE, Integer.MAX_VALUE);
+    }
+
+    /**
+     * public constructor
+     * @param mcc 3-digit Mobile Country Code, 0..999
+     * @param mnc 2 or 3-digit Mobile Network Code, 0..999
+     * @param lac 16-bit Location Area Code, 0..65535
+     * @param cid 16-bit GSM Cell Identity or 28-bit UMTS Cell Identity
+     * @param arfcn 16-bit GSM Absolute RF Channel Number
+     * @param bsic 6-bit Base Station Identity Code
+     *
+     * @hide
+     */
+    public CellIdentityGsm (int mcc, int mnc, int lac, int cid, int arfcn, int bsic) {
         mMcc = mcc;
         mMnc = mnc;
         mLac = lac;
         mCid = cid;
+        mArfcn = arfcn;
+        mBsic = bsic;
     }
 
     private CellIdentityGsm(CellIdentityGsm cid) {
@@ -69,6 +92,8 @@
         mMnc = cid.mMnc;
         mLac = cid.mLac;
         mCid = cid.mCid;
+        mArfcn = cid.mArfcn;
+        mBsic = cid.mBsic;
     }
 
     CellIdentityGsm copy() {
@@ -106,6 +131,21 @@
     }
 
     /**
+     * @return 16-bit GSM Absolute RF Channel Number, Integer.MAX_VALUE if unknown
+     */
+    public int getArfcn() {
+        return mArfcn;
+    }
+
+    /**
+     * @return 6-bit Base Station Identity Code, Integer.MAX_VALUE if unknown
+     */
+    public int getBsic() {
+        return mBsic;
+    }
+
+
+    /**
      * @return Integer.MAX_VALUE, undefined for GSM
      */
     @Deprecated
@@ -132,7 +172,9 @@
         return mMcc == o.mMcc &&
                 mMnc == o.mMnc &&
                 mLac == o.mLac &&
-                mCid == o.mCid;
+                mCid == o.mCid &&
+                mArfcn == o.mArfcn &&
+                mBsic == o.mBsic;
     }
 
     @Override
@@ -142,6 +184,8 @@
         sb.append(" mMnc=").append(mMnc);
         sb.append(" mLac=").append(mLac);
         sb.append(" mCid=").append(mCid);
+        sb.append(" mArfcn=").append(mArfcn);
+        sb.append(" mBsic=").append("0x").append(Integer.toHexString(mBsic));
         sb.append("}");
 
         return sb.toString();
@@ -161,6 +205,8 @@
         dest.writeInt(mMnc);
         dest.writeInt(mLac);
         dest.writeInt(mCid);
+        dest.writeInt(mArfcn);
+        dest.writeInt(mBsic);
     }
 
     /** Construct from Parcel, type has already been processed */
@@ -169,6 +215,8 @@
         mMnc = in.readInt();
         mLac = in.readInt();
         mCid = in.readInt();
+        mArfcn = in.readInt();
+        mBsic = in.readInt();
         if (DBG) log("CellIdentityGsm(Parcel): " + toString());
     }
 
diff --git a/telephony/java/android/telephony/CellIdentityLte.java b/telephony/java/android/telephony/CellIdentityLte.java
index 1e7ac08..ce74383 100644
--- a/telephony/java/android/telephony/CellIdentityLte.java
+++ b/telephony/java/android/telephony/CellIdentityLte.java
@@ -40,6 +40,8 @@
     private final int mPci;
     // 16-bit tracking area code
     private final int mTac;
+    // 18-bit Absolute RF Channel Number
+    private final int mEarfcn;
 
     /**
      * @hide
@@ -50,6 +52,7 @@
         mCi = Integer.MAX_VALUE;
         mPci = Integer.MAX_VALUE;
         mTac = Integer.MAX_VALUE;
+        mEarfcn = Integer.MAX_VALUE;
     }
 
     /**
@@ -63,11 +66,27 @@
      * @hide
      */
     public CellIdentityLte (int mcc, int mnc, int ci, int pci, int tac) {
+        this(mcc, mnc, ci, pci, tac, Integer.MAX_VALUE);
+    }
+
+    /**
+     *
+     * @param mcc 3-digit Mobile Country Code, 0..999
+     * @param mnc 2 or 3-digit Mobile Network Code, 0..999
+     * @param ci 28-bit Cell Identity
+     * @param pci Physical Cell Id 0..503
+     * @param tac 16-bit Tracking Area Code
+     * @param earfcn 18-bit LTE Absolute RF Channel Number
+     *
+     * @hide
+     */
+    public CellIdentityLte (int mcc, int mnc, int ci, int pci, int tac, int earfcn) {
         mMcc = mcc;
         mMnc = mnc;
         mCi = ci;
         mPci = pci;
         mTac = tac;
+        mEarfcn = earfcn;
     }
 
     private CellIdentityLte(CellIdentityLte cid) {
@@ -76,6 +95,7 @@
         mCi = cid.mCi;
         mPci = cid.mPci;
         mTac = cid.mTac;
+        mEarfcn = cid.mEarfcn;
     }
 
     CellIdentityLte copy() {
@@ -117,6 +137,13 @@
         return mTac;
     }
 
+    /**
+     * @return 18-bit Absolute RF Channel Number, Integer.MAX_VALUE if unknown
+     */
+    public int getEarfcn() {
+        return mEarfcn;
+    }
+
     @Override
     public int hashCode() {
         return Objects.hash(mMcc, mMnc, mCi, mPci, mTac);
@@ -137,7 +164,8 @@
                 mMnc == o.mMnc &&
                 mCi == o.mCi &&
                 mPci == o.mPci &&
-                mTac == o.mTac;
+                mTac == o.mTac &&
+                mEarfcn == o.mEarfcn;
     }
 
     @Override
@@ -148,6 +176,7 @@
         sb.append(" mCi="); sb.append(mCi);
         sb.append(" mPci="); sb.append(mPci);
         sb.append(" mTac="); sb.append(mTac);
+        sb.append(" mEarfcn="); sb.append(mEarfcn);
         sb.append("}");
 
         return sb.toString();
@@ -168,6 +197,7 @@
         dest.writeInt(mCi);
         dest.writeInt(mPci);
         dest.writeInt(mTac);
+        dest.writeInt(mEarfcn);
     }
 
     /** Construct from Parcel, type has already been processed */
@@ -177,6 +207,7 @@
         mCi = in.readInt();
         mPci = in.readInt();
         mTac = in.readInt();
+        mEarfcn = in.readInt();
         if (DBG) log("CellIdentityLte(Parcel): " + toString());
     }
 
diff --git a/telephony/java/android/telephony/CellIdentityWcdma.java b/telephony/java/android/telephony/CellIdentityWcdma.java
index 56ee8c9..0d13efd 100644
--- a/telephony/java/android/telephony/CellIdentityWcdma.java
+++ b/telephony/java/android/telephony/CellIdentityWcdma.java
@@ -40,6 +40,8 @@
     private final int mCid;
     // 9-bit UMTS Primary Scrambling Code described in TS 25.331, 0..511
     private final int mPsc;
+    // 16-bit UMTS Absolute RF Channel Number
+    private final int mUarfcn;
 
     /**
      * @hide
@@ -50,6 +52,7 @@
         mLac = Integer.MAX_VALUE;
         mCid = Integer.MAX_VALUE;
         mPsc = Integer.MAX_VALUE;
+        mUarfcn = Integer.MAX_VALUE;
     }
     /**
      * public constructor
@@ -62,11 +65,27 @@
      * @hide
      */
     public CellIdentityWcdma (int mcc, int mnc, int lac, int cid, int psc) {
+        this(mcc, mnc, lac, cid, psc, Integer.MAX_VALUE);
+    }
+
+    /**
+     * public constructor
+     * @param mcc 3-digit Mobile Country Code, 0..999
+     * @param mnc 2 or 3-digit Mobile Network Code, 0..999
+     * @param lac 16-bit Location Area Code, 0..65535
+     * @param cid 28-bit UMTS Cell Identity
+     * @param psc 9-bit UMTS Primary Scrambling Code
+     * @param uarfcn 16-bit UMTS Absolute RF Channel Number
+     *
+     * @hide
+     */
+    public CellIdentityWcdma (int mcc, int mnc, int lac, int cid, int psc, int uarfcn) {
         mMcc = mcc;
         mMnc = mnc;
         mLac = lac;
         mCid = cid;
         mPsc = psc;
+        mUarfcn = uarfcn;
     }
 
     private CellIdentityWcdma(CellIdentityWcdma cid) {
@@ -75,6 +94,7 @@
         mLac = cid.mLac;
         mCid = cid.mCid;
         mPsc = cid.mPsc;
+        mUarfcn = cid.mUarfcn;
     }
 
     CellIdentityWcdma copy() {
@@ -123,6 +143,13 @@
         return Objects.hash(mMcc, mMnc, mLac, mCid, mPsc);
     }
 
+    /**
+     * @return 16-bit UMTS Absolute RF Channel Number, Integer.MAX_VALUE if unknown
+     */
+    public int getUarfcn() {
+        return mUarfcn;
+    }
+
     @Override
     public boolean equals(Object other) {
         if (this == other) {
@@ -138,7 +165,8 @@
                 mMnc == o.mMnc &&
                 mLac == o.mLac &&
                 mCid == o.mCid &&
-                mPsc == o.mPsc;
+                mPsc == o.mPsc &&
+                mUarfcn == o.mUarfcn;
     }
 
     @Override
@@ -149,6 +177,7 @@
         sb.append(" mLac=").append(mLac);
         sb.append(" mCid=").append(mCid);
         sb.append(" mPsc=").append(mPsc);
+        sb.append(" mUarfcn=").append(mUarfcn);
         sb.append("}");
 
         return sb.toString();
@@ -169,6 +198,7 @@
         dest.writeInt(mLac);
         dest.writeInt(mCid);
         dest.writeInt(mPsc);
+        dest.writeInt(mUarfcn);
     }
 
     /** Construct from Parcel, type has already been processed */
@@ -178,6 +208,7 @@
         mLac = in.readInt();
         mCid = in.readInt();
         mPsc = in.readInt();
+        mUarfcn = in.readInt();
         if (DBG) log("CellIdentityWcdma(Parcel): " + toString());
     }
 
diff --git a/telephony/java/android/telephony/CellSignalStrengthGsm.java b/telephony/java/android/telephony/CellSignalStrengthGsm.java
index d27fcec..addf7ef 100644
--- a/telephony/java/android/telephony/CellSignalStrengthGsm.java
+++ b/telephony/java/android/telephony/CellSignalStrengthGsm.java
@@ -34,6 +34,7 @@
 
     private int mSignalStrength; // Valid values are (0-31, 99) as defined in TS 27.007 8.5
     private int mBitErrorRate;   // bit error rate (0-7, 99) as defined in TS 27.007 8.5
+    private int mTimingAdvance;
 
     /**
      * Empty constructor
@@ -75,6 +76,22 @@
     public void initialize(int ss, int ber) {
         mSignalStrength = ss;
         mBitErrorRate = ber;
+        mTimingAdvance = Integer.MAX_VALUE;
+    }
+
+    /**
+     * Initialize all the values
+     *
+     * @param ss SignalStrength as ASU value
+     * @param ber is Bit Error Rate
+     * @param ta timing advance
+     *
+     * @hide
+     */
+    public void initialize(int ss, int ber, int ta) {
+        mSignalStrength = ss;
+        mBitErrorRate = ber;
+        mTimingAdvance = ta;
     }
 
     /**
@@ -83,6 +100,7 @@
     protected void copyFrom(CellSignalStrengthGsm s) {
         mSignalStrength = s.mSignalStrength;
         mBitErrorRate = s.mBitErrorRate;
+        mTimingAdvance = s.mTimingAdvance;
     }
 
     /**
@@ -98,6 +116,7 @@
     public void setDefaultValues() {
         mSignalStrength = Integer.MAX_VALUE;
         mBitErrorRate = Integer.MAX_VALUE;
+        mTimingAdvance = Integer.MAX_VALUE;
     }
 
     /**
@@ -174,7 +193,8 @@
             return false;
         }
 
-        return mSignalStrength == s.mSignalStrength && mBitErrorRate == s.mBitErrorRate;
+        return mSignalStrength == s.mSignalStrength && mBitErrorRate == s.mBitErrorRate &&
+                        s.mTimingAdvance == mTimingAdvance;
     }
 
     /**
@@ -184,7 +204,8 @@
     public String toString() {
         return "CellSignalStrengthGsm:"
                 + " ss=" + mSignalStrength
-                + " ber=" + mBitErrorRate;
+                + " ber=" + mBitErrorRate
+                + " mTa=" + mTimingAdvance;
     }
 
     /** Implement the Parcelable interface */
@@ -193,6 +214,7 @@
         if (DBG) log("writeToParcel(Parcel, int): " + toString());
         dest.writeInt(mSignalStrength);
         dest.writeInt(mBitErrorRate);
+        dest.writeInt(mTimingAdvance);
     }
 
     /**
@@ -202,6 +224,7 @@
     private CellSignalStrengthGsm(Parcel in) {
         mSignalStrength = in.readInt();
         mBitErrorRate = in.readInt();
+        mTimingAdvance = in.readInt();
         if (DBG) log("CellSignalStrengthGsm(Parcel): " + toString());
     }
 
diff --git a/tests/SoundTriggerTestApp/Android.mk b/tests/SoundTriggerTestApp/Android.mk
new file mode 100644
index 0000000..7bcab5e
--- /dev/null
+++ b/tests/SoundTriggerTestApp/Android.mk
@@ -0,0 +1,12 @@
+LOCAL_PATH:= $(call my-dir)
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES := $(call all-subdir-java-files)
+
+LOCAL_PACKAGE_NAME := SoundTriggerTestApp
+
+LOCAL_MODULE_TAGS := optional
+
+LOCAL_PRIVILEGED_MODULE := true
+
+include $(BUILD_PACKAGE)
diff --git a/tests/SoundTriggerTestApp/AndroidManifest.xml b/tests/SoundTriggerTestApp/AndroidManifest.xml
new file mode 100644
index 0000000..40619da
--- /dev/null
+++ b/tests/SoundTriggerTestApp/AndroidManifest.xml
@@ -0,0 +1,17 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+        package="com.android.test.soundtrigger">
+
+    <uses-permission android:name="android.permission.MANAGE_SOUND_TRIGGER" />
+    <application
+         android:permission="android.permission.MANAGE_SOUND_TRIGGER">
+        <activity
+            android:name="TestSoundTriggerActivity"
+            android:label="SoundTrigger Test Application"
+            android:theme="@android:style/Theme.Material.Light.Voice">
+            <intent-filter>
+                <action android:name="com.android.intent.action.MANAGE_SOUND_TRIGGER" />
+                <category android:name="android.intent.category.DEFAULT" />
+            </intent-filter>
+        </activity>
+    </application>
+</manifest>
diff --git a/tests/SoundTriggerTestApp/res/layout/main.xml b/tests/SoundTriggerTestApp/res/layout/main.xml
new file mode 100644
index 0000000..9d2b9d9
--- /dev/null
+++ b/tests/SoundTriggerTestApp/res/layout/main.xml
@@ -0,0 +1,43 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2014 Google Inc.
+
+     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.
+-->
+
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    >
+
+    <Button
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="@string/enroll"
+        android:onClick="onEnrollButtonClicked"
+        android:padding="20dp" />
+
+    <Button
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="@string/reenroll"
+        android:onClick="onReEnrollButtonClicked"
+        android:padding="20dp" />
+
+    <Button
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="@string/unenroll"
+        android:onClick="onUnEnrollButtonClicked"
+        android:padding="20dp" />
+</LinearLayout>
\ No newline at end of file
diff --git a/tests/SoundTriggerTestApp/res/values/strings.xml b/tests/SoundTriggerTestApp/res/values/strings.xml
new file mode 100644
index 0000000..07bac2a
--- /dev/null
+++ b/tests/SoundTriggerTestApp/res/values/strings.xml
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2014 Google Inc.
+
+     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.
+-->
+<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+
+    <string name="enroll">Enroll</string>
+    <string name="reenroll">Re-enroll</string>
+    <string name="unenroll">Un-enroll</string>
+</resources>
\ No newline at end of file
diff --git a/tests/SoundTriggerTestApp/src/com/android/test/soundtrigger/SoundTriggerUtil.java b/tests/SoundTriggerTestApp/src/com/android/test/soundtrigger/SoundTriggerUtil.java
new file mode 100644
index 0000000..4702835
--- /dev/null
+++ b/tests/SoundTriggerTestApp/src/com/android/test/soundtrigger/SoundTriggerUtil.java
@@ -0,0 +1,115 @@
+/*
+ * Copyright (C) 2014 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 com.android.test.soundtrigger;
+
+import android.annotation.Nullable;
+import android.content.Context;
+import android.hardware.soundtrigger.SoundTrigger;
+import android.hardware.soundtrigger.SoundTrigger.GenericSoundModel;
+import android.media.soundtrigger.SoundTriggerManager;
+import android.os.RemoteException;
+import android.os.ServiceManager;
+import android.os.ParcelUuid;
+import android.util.Log;
+
+import com.android.internal.app.ISoundTriggerService;
+
+import java.util.UUID;
+
+/**
+ * Utility class for the managing sound trigger sound models.
+ */
+public class SoundTriggerUtil {
+    private static final String TAG = "TestSoundTriggerUtil:Hotsound";
+
+    private final ISoundTriggerService mSoundTriggerService;
+    private final SoundTriggerManager mSoundTriggerManager;
+    private final Context mContext;
+
+    public SoundTriggerUtil(Context context) {
+        mSoundTriggerService = ISoundTriggerService.Stub.asInterface(
+                ServiceManager.getService(Context.SOUND_TRIGGER_SERVICE));
+        mSoundTriggerManager = (SoundTriggerManager) context.getSystemService(
+                Context.SOUND_TRIGGER_SERVICE);
+        mContext = context;
+    }
+
+    /**
+     * Adds/Updates a sound model.
+     * The sound model must contain a valid UUID.
+     *
+     * @param soundModel The sound model to add/update.
+     */
+    public boolean addOrUpdateSoundModel(GenericSoundModel soundModel) {
+        try {
+            mSoundTriggerService.updateSoundModel(soundModel);
+        } catch (RemoteException e) {
+            Log.e(TAG, "RemoteException in updateSoundModel", e);
+        }
+        return true;
+    }
+
+    public void addOrUpdateSoundModel(SoundTriggerManager.Model soundModel) {
+        mSoundTriggerManager.updateModel(soundModel);
+    }
+
+    /**
+     * Gets the sound model for the given keyphrase, null if none exists.
+     * If a sound model for a given keyphrase exists, and it needs to be updated,
+     * it should be obtained using this method, updated and then passed in to
+     * {@link #addOrUpdateSoundModel(GenericSoundModel)} without changing the IDs.
+     *
+     * @param modelId The model ID to look-up the sound model for.
+     * @return The sound model if one was found, null otherwise.
+     */
+    @Nullable
+    public GenericSoundModel getSoundModel(UUID modelId) {
+        GenericSoundModel model = null;
+        try {
+            model = mSoundTriggerService.getSoundModel(new ParcelUuid(modelId));
+        } catch (RemoteException e) {
+            Log.e(TAG, "RemoteException in updateKeyphraseSoundModel");
+        }
+
+        if (model == null) {
+            Log.w(TAG, "No models present for the gien keyphrase ID");
+            return null;
+        } else {
+            return model;
+        }
+    }
+
+    /**
+     * Deletes the sound model for the given keyphrase id.
+     *
+     * @param modelId The model ID to look-up the sound model for.
+     * @return {@code true} if the call succeeds, {@code false} otherwise.
+     */
+    @Nullable
+    public boolean deleteSoundModel(UUID modelId) {
+        try {
+            mSoundTriggerService.deleteSoundModel(new ParcelUuid(modelId));
+        } catch (RemoteException e) {
+            Log.e(TAG, "RemoteException in updateSoundModel");
+        }
+        return true;
+    }
+
+    public void deleteSoundModelUsingManager(UUID modelId) {
+            mSoundTriggerManager.deleteModel(modelId);
+    }
+}
diff --git a/tests/SoundTriggerTestApp/src/com/android/test/soundtrigger/TestSoundTriggerActivity.java b/tests/SoundTriggerTestApp/src/com/android/test/soundtrigger/TestSoundTriggerActivity.java
new file mode 100644
index 0000000..966179b
--- /dev/null
+++ b/tests/SoundTriggerTestApp/src/com/android/test/soundtrigger/TestSoundTriggerActivity.java
@@ -0,0 +1,121 @@
+/*
+ * Copyright (C) 2014 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 com.android.test.soundtrigger;
+
+import java.util.Random;
+import java.util.UUID;
+
+import android.app.Activity;
+import android.hardware.soundtrigger.SoundTrigger;
+import android.hardware.soundtrigger.SoundTrigger.GenericSoundModel;
+import android.media.soundtrigger.SoundTriggerManager;
+import android.os.Bundle;
+import android.os.UserManager;
+import android.util.Log;
+import android.view.View;
+import android.widget.Toast;
+
+public class TestSoundTriggerActivity extends Activity {
+    private static final String TAG = "TestSoundTriggerActivity";
+    private static final boolean DBG = true;
+
+    private SoundTriggerUtil mSoundTriggerUtil;
+    private Random mRandom;
+    private UUID mModelUuid = UUID.randomUUID();
+    private UUID mModelUuid2 = UUID.randomUUID();
+    private UUID mVendorUuid = UUID.randomUUID();
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        if (DBG) Log.d(TAG, "onCreate");
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.main);
+        mSoundTriggerUtil = new SoundTriggerUtil(this);
+        mRandom = new Random();
+    }
+
+    /**
+     * Called when the user clicks the enroll button.
+     * Performs a fresh enrollment.
+     */
+    public void onEnrollButtonClicked(View v) {
+        // Generate a fake model to push.
+        byte[] data = new byte[1024];
+        mRandom.nextBytes(data);
+        GenericSoundModel model = new GenericSoundModel(mModelUuid, mVendorUuid, data);
+
+        boolean status = mSoundTriggerUtil.addOrUpdateSoundModel(model);
+        if (status) {
+            Toast.makeText(
+                    this, "Successfully created sound trigger model UUID=" + mModelUuid, Toast.LENGTH_SHORT)
+                    .show();
+        } else {
+            Toast.makeText(this, "Failed to enroll!!!" + mModelUuid, Toast.LENGTH_SHORT).show();
+        }
+
+        // Test the SoundManager API.
+        SoundTriggerManager.Model tmpModel = SoundTriggerManager.Model.create(mModelUuid2,
+                mVendorUuid, data);
+        mSoundTriggerUtil.addOrUpdateSoundModel(tmpModel);
+    }
+
+    /**
+     * Called when the user clicks the un-enroll button.
+     * Clears the enrollment information for the user.
+     */
+    public void onUnEnrollButtonClicked(View v) {
+        GenericSoundModel soundModel = mSoundTriggerUtil.getSoundModel(mModelUuid);
+        if (soundModel == null) {
+            Toast.makeText(this, "Sound model not found!!!", Toast.LENGTH_SHORT).show();
+            return;
+        }
+        boolean status = mSoundTriggerUtil.deleteSoundModel(mModelUuid);
+        if (status) {
+            Toast.makeText(this, "Successfully deleted model UUID=" + soundModel.uuid,
+                    Toast.LENGTH_SHORT)
+                    .show();
+        } else {
+            Toast.makeText(this, "Failed to delete sound model!!!", Toast.LENGTH_SHORT).show();
+        }
+        mSoundTriggerUtil.deleteSoundModelUsingManager(mModelUuid2);
+    }
+
+    /**
+     * Called when the user clicks the re-enroll button.
+     * Uses the previously enrolled sound model and makes changes to it before pushing it back.
+     */
+    public void onReEnrollButtonClicked(View v) {
+        GenericSoundModel soundModel = mSoundTriggerUtil.getSoundModel(mModelUuid);
+        if (soundModel == null) {
+            Toast.makeText(this, "Sound model not found!!!", Toast.LENGTH_SHORT).show();
+            return;
+        }
+        // Generate a fake model to push.
+        byte[] data = new byte[2048];
+        mRandom.nextBytes(data);
+        GenericSoundModel updated = new GenericSoundModel(soundModel.uuid,
+                soundModel.vendorUuid, data);
+        boolean status = mSoundTriggerUtil.addOrUpdateSoundModel(updated);
+        if (status) {
+            Toast.makeText(this, "Successfully re-enrolled, model UUID=" + updated.uuid,
+                    Toast.LENGTH_SHORT)
+                    .show();
+        } else {
+            Toast.makeText(this, "Failed to re-enroll!!!", Toast.LENGTH_SHORT).show();
+        }
+    }
+}