Merge "Fix crash in onRestoreInstanceState"
diff --git a/apct-tests/perftests/core/res/layout/test_autosize_textview_10.xml b/apct-tests/perftests/core/res/layout/test_autosize_textview_10.xml
index a8d3de0..4a4b3b4 100644
--- a/apct-tests/perftests/core/res/layout/test_autosize_textview_10.xml
+++ b/apct-tests/perftests/core/res/layout/test_autosize_textview_10.xml
@@ -35,7 +35,7 @@
           android:layout_width="400dp"
           android:layout_height="600dp"
           android:text="@string/long_text"
-          android:autoSizeText="uniform"
+          android:autoSizeTextType="uniform"
           android:autoSizeMinTextSize="10px"
           android:textSize="20px"
           android:autoSizeStepGranularity="1px"/>
diff --git a/apct-tests/perftests/core/res/layout/test_autosize_textview_100.xml b/apct-tests/perftests/core/res/layout/test_autosize_textview_100.xml
index d991862..0b326e8 100644
--- a/apct-tests/perftests/core/res/layout/test_autosize_textview_100.xml
+++ b/apct-tests/perftests/core/res/layout/test_autosize_textview_100.xml
@@ -19,7 +19,7 @@
           android:layout_width="400dp"
           android:layout_height="600dp"
           android:text="@string/long_text"
-          android:autoSizeText="uniform"
+          android:autoSizeTextType="uniform"
           android:autoSizeMinTextSize="10px"
           android:textSize="110px"
           android:autoSizeStepGranularity="1px"/>
diff --git a/apct-tests/perftests/core/res/layout/test_autosize_textview_1000.xml b/apct-tests/perftests/core/res/layout/test_autosize_textview_1000.xml
index 3b55b6c..2f4239d 100644
--- a/apct-tests/perftests/core/res/layout/test_autosize_textview_1000.xml
+++ b/apct-tests/perftests/core/res/layout/test_autosize_textview_1000.xml
@@ -19,7 +19,7 @@
           android:layout_width="400dp"
           android:layout_height="600dp"
           android:text="@string/long_text"
-          android:autoSizeText="uniform"
+          android:autoSizeTextType="uniform"
           android:autoSizeMinTextSize="10px"
           android:textSize="1010px"
           android:autoSizeStepGranularity="1px"/>
diff --git a/apct-tests/perftests/core/res/layout/test_autosize_textview_10000.xml b/apct-tests/perftests/core/res/layout/test_autosize_textview_10000.xml
index 64a25c2..b6be10a 100644
--- a/apct-tests/perftests/core/res/layout/test_autosize_textview_10000.xml
+++ b/apct-tests/perftests/core/res/layout/test_autosize_textview_10000.xml
@@ -19,7 +19,7 @@
           android:layout_width="400dp"
           android:layout_height="600dp"
           android:text="@string/long_text"
-          android:autoSizeText="uniform"
+          android:autoSizeTextType="uniform"
           android:autoSizeMinTextSize="10px"
           android:textSize="10010px"
           android:autoSizeStepGranularity="1px"/>
diff --git a/apct-tests/perftests/core/res/layout/test_autosize_textview_100000.xml b/apct-tests/perftests/core/res/layout/test_autosize_textview_100000.xml
index 1f60783..aed339c 100644
--- a/apct-tests/perftests/core/res/layout/test_autosize_textview_100000.xml
+++ b/apct-tests/perftests/core/res/layout/test_autosize_textview_100000.xml
@@ -19,7 +19,7 @@
           android:layout_width="400dp"
           android:layout_height="600dp"
           android:text="@string/long_text"
-          android:autoSizeText="uniform"
+          android:autoSizeTextType="uniform"
           android:autoSizeMinTextSize="10px"
           android:textSize="100010px"
           android:autoSizeStepGranularity="1px"/>
diff --git a/apct-tests/perftests/core/res/layout/test_autosize_textview_300.xml b/apct-tests/perftests/core/res/layout/test_autosize_textview_300.xml
index 54c7e71..62522ba 100644
--- a/apct-tests/perftests/core/res/layout/test_autosize_textview_300.xml
+++ b/apct-tests/perftests/core/res/layout/test_autosize_textview_300.xml
@@ -19,7 +19,7 @@
           android:layout_width="400dp"
           android:layout_height="600dp"
           android:text="@string/long_text"
-          android:autoSizeText="uniform"
+          android:autoSizeTextType="uniform"
           android:autoSizeMinTextSize="10px"
           android:textSize="310px"
           android:autoSizeStepGranularity="1px"/>
diff --git a/apct-tests/perftests/core/res/layout/test_autosize_textview_5.xml b/apct-tests/perftests/core/res/layout/test_autosize_textview_5.xml
index 525b2c8..f383fa4 100644
--- a/apct-tests/perftests/core/res/layout/test_autosize_textview_5.xml
+++ b/apct-tests/perftests/core/res/layout/test_autosize_textview_5.xml
@@ -35,7 +35,7 @@
           android:layout_width="400dp"
           android:layout_height="600dp"
           android:text="@string/long_text"
-          android:autoSizeText="uniform"
+          android:autoSizeTextType="uniform"
           android:autoSizeMinTextSize="10px"
           android:textSize="15px"
           android:autoSizeStepGranularity="1px"/>
diff --git a/apct-tests/perftests/core/res/layout/test_autosize_textview_50.xml b/apct-tests/perftests/core/res/layout/test_autosize_textview_50.xml
index 470c4da..04dd6c2 100644
--- a/apct-tests/perftests/core/res/layout/test_autosize_textview_50.xml
+++ b/apct-tests/perftests/core/res/layout/test_autosize_textview_50.xml
@@ -19,7 +19,7 @@
           android:layout_width="400dp"
           android:layout_height="600dp"
           android:text="@string/long_text"
-          android:autoSizeText="uniform"
+          android:autoSizeTextType="uniform"
           android:autoSizeMinTextSize="10px"
           android:textSize="60px"
           android:autoSizeStepGranularity="1px"/>
diff --git a/apct-tests/perftests/core/res/layout/test_autosize_textview_500.xml b/apct-tests/perftests/core/res/layout/test_autosize_textview_500.xml
index b8a6e0a..a8e2b38 100644
--- a/apct-tests/perftests/core/res/layout/test_autosize_textview_500.xml
+++ b/apct-tests/perftests/core/res/layout/test_autosize_textview_500.xml
@@ -19,7 +19,7 @@
           android:layout_width="400dp"
           android:layout_height="600dp"
           android:text="@string/long_text"
-          android:autoSizeText="uniform"
+          android:autoSizeTextType="uniform"
           android:autoSizeMinTextSize="10px"
           android:textSize="510px"
           android:autoSizeStepGranularity="1px"/>
diff --git a/apct-tests/perftests/core/src/android/widget/TextViewAutoSizeLayoutPerfTest.java b/apct-tests/perftests/core/src/android/widget/TextViewAutoSizeLayoutPerfTest.java
index 6ee6f70..c310166 100644
--- a/apct-tests/perftests/core/src/android/widget/TextViewAutoSizeLayoutPerfTest.java
+++ b/apct-tests/perftests/core/src/android/widget/TextViewAutoSizeLayoutPerfTest.java
@@ -89,7 +89,7 @@
 
             while (state.keepRunning()) {
                 TextView textView = new TextView(activity);
-                // TextView#onMeasure() gets called, which triggers TextView#autoSizeText()
+                // TextView#onLayout() gets called, which triggers TextView#autoSizeText()
                 // which is the method we want to benchmark.
                 textView.requestLayout();
             }
diff --git a/api/current.txt b/api/current.txt
index 35000a6..445c576 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -305,7 +305,7 @@
     field public static final int autoSizeMinTextSize = 16844088; // 0x1010538
     field public static final int autoSizePresetSizes = 16844087; // 0x1010537
     field public static final int autoSizeStepGranularity = 16844086; // 0x1010536
-    field public static final int autoSizeText = 16844085; // 0x1010535
+    field public static final int autoSizeTextType = 16844085; // 0x1010535
     field public static final int autoStart = 16843445; // 0x10102b5
     field public static final deprecated int autoText = 16843114; // 0x101016a
     field public static final int autoUrlDetect = 16843404; // 0x101028c
@@ -6718,6 +6718,7 @@
     method public android.app.job.JobInfo.TriggerContentUri[] getTriggerContentUris();
     method public boolean isPeriodic();
     method public boolean isPersisted();
+    method public boolean isRequireBatteryNotLow();
     method public boolean isRequireCharging();
     method public boolean isRequireDeviceIdle();
     method public void writeToParcel(android.os.Parcel, int);
@@ -6744,6 +6745,7 @@
     method public android.app.job.JobInfo.Builder setPeriodic(long, long);
     method public android.app.job.JobInfo.Builder setPersisted(boolean);
     method public android.app.job.JobInfo.Builder setRequiredNetworkType(int);
+    method public android.app.job.JobInfo.Builder setRequiresBatteryNotLow(boolean);
     method public android.app.job.JobInfo.Builder setRequiresCharging(boolean);
     method public android.app.job.JobInfo.Builder setRequiresDeviceIdle(boolean);
     method public android.app.job.JobInfo.Builder setTransientExtras(android.os.Bundle);
@@ -10103,10 +10105,12 @@
     ctor public LauncherApps.ShortcutQuery();
     method public android.content.pm.LauncherApps.ShortcutQuery setActivity(android.content.ComponentName);
     method public android.content.pm.LauncherApps.ShortcutQuery setChangedSince(long);
+    method public android.content.pm.LauncherApps.ShortcutQuery setIntent(android.content.Intent);
     method public android.content.pm.LauncherApps.ShortcutQuery setPackage(java.lang.String);
     method public android.content.pm.LauncherApps.ShortcutQuery setQueryFlags(int);
     method public android.content.pm.LauncherApps.ShortcutQuery setShortcutIds(java.util.List<java.lang.String>);
     field public static final int FLAG_GET_KEY_FIELDS_ONLY = 4; // 0x4
+    field public static final int FLAG_MATCH_CHOOSER = 16; // 0x10
     field public static final int FLAG_MATCH_DYNAMIC = 1; // 0x1
     field public static final int FLAG_MATCH_MANIFEST = 8; // 0x8
     field public static final int FLAG_MATCH_PINNED = 2; // 0x2
@@ -10645,6 +10649,9 @@
     method public int describeContents();
     method public android.content.ComponentName getActivity();
     method public java.util.Set<java.lang.String> getCategories();
+    method public android.content.ComponentName[] getChooserComponentNames();
+    method public android.os.PersistableBundle getChooserExtras();
+    method public android.content.IntentFilter[] getChooserIntentFilters();
     method public java.lang.CharSequence getDisabledMessage();
     method public android.os.PersistableBundle getExtras();
     method public java.lang.String getId();
@@ -10657,6 +10664,7 @@
     method public java.lang.CharSequence getShortLabel();
     method public android.os.UserHandle getUserHandle();
     method public boolean hasKeyFieldsOnly();
+    method public boolean isChooser();
     method public boolean isDeclaredInManifest();
     method public boolean isDynamic();
     method public boolean isEnabled();
@@ -10669,9 +10677,11 @@
 
   public static class ShortcutInfo.Builder {
     ctor public ShortcutInfo.Builder(android.content.Context, java.lang.String);
+    method public android.content.pm.ShortcutInfo.Builder addChooserIntentFilter(android.content.IntentFilter, android.content.ComponentName);
     method public android.content.pm.ShortcutInfo build();
     method public android.content.pm.ShortcutInfo.Builder setActivity(android.content.ComponentName);
     method public android.content.pm.ShortcutInfo.Builder setCategories(java.util.Set<java.lang.String>);
+    method public android.content.pm.ShortcutInfo.Builder setChooserExtras(android.os.PersistableBundle);
     method public android.content.pm.ShortcutInfo.Builder setDisabledMessage(java.lang.CharSequence);
     method public android.content.pm.ShortcutInfo.Builder setExtras(android.os.PersistableBundle);
     method public android.content.pm.ShortcutInfo.Builder setIcon(android.graphics.drawable.Icon);
@@ -12576,6 +12586,7 @@
     method public static android.graphics.ColorSpace.Adaptation valueOf(java.lang.String);
     method public static final android.graphics.ColorSpace.Adaptation[] values();
     enum_constant public static final android.graphics.ColorSpace.Adaptation BRADFORD;
+    enum_constant public static final android.graphics.ColorSpace.Adaptation CIECAT02;
     enum_constant public static final android.graphics.ColorSpace.Adaptation VON_KRIES;
   }
 
@@ -14012,6 +14023,8 @@
 
   public class ArcShape extends android.graphics.drawable.shapes.RectShape {
     ctor public ArcShape(float, float);
+    method public final float getStartAngle();
+    method public final float getSweepAngle();
   }
 
   public class OvalShape extends android.graphics.drawable.shapes.RectShape {
@@ -20647,6 +20660,26 @@
     field public static final int TYPE_WIRED_HEADSET = 3; // 0x3
   }
 
+  public final class AudioFocusRequest {
+    method public boolean acceptsDelayedFocusGain();
+    method public android.media.AudioAttributes getAudioAttributes();
+    method public int getFocusGain();
+    method public android.media.AudioManager.OnAudioFocusChangeListener getOnAudioFocusChangeListener();
+    method public android.os.Handler getOnAudioFocusChangeListenerHandler();
+    method public boolean willPauseWhenDucked();
+  }
+
+  public static final class AudioFocusRequest.Builder {
+    ctor public AudioFocusRequest.Builder(int);
+    ctor public AudioFocusRequest.Builder(android.media.AudioFocusRequest);
+    method public android.media.AudioFocusRequest build();
+    method public android.media.AudioFocusRequest.Builder setAcceptsDelayedFocusGain(boolean);
+    method public android.media.AudioFocusRequest.Builder setAudioAttributes(android.media.AudioAttributes);
+    method public android.media.AudioFocusRequest.Builder setFocusGain(int);
+    method public android.media.AudioFocusRequest.Builder setOnAudioFocusChangeListener(android.media.AudioManager.OnAudioFocusChangeListener, android.os.Handler);
+    method public android.media.AudioFocusRequest.Builder setWillPauseWhenDucked(boolean);
+  }
+
   public final class AudioFormat implements android.os.Parcelable {
     method public int describeContents();
     method public int getChannelCount();
@@ -20723,6 +20756,7 @@
 
   public class AudioManager {
     method public int abandonAudioFocus(android.media.AudioManager.OnAudioFocusChangeListener);
+    method public int abandonAudioFocusRequest(android.media.AudioFocusRequest);
     method public void adjustStreamVolume(int, int, int);
     method public void adjustSuggestedStreamVolume(int, int, int);
     method public void adjustVolume(int, int);
@@ -20759,6 +20793,7 @@
     method public deprecated void registerRemoteControlClient(android.media.RemoteControlClient);
     method public deprecated boolean registerRemoteController(android.media.RemoteController);
     method public int requestAudioFocus(android.media.AudioManager.OnAudioFocusChangeListener, int, int);
+    method public int requestAudioFocus(android.media.AudioFocusRequest);
     method public deprecated void setBluetoothA2dpOn(boolean);
     method public void setBluetoothScoOn(boolean);
     method public void setMicrophoneMute(boolean);
@@ -20802,6 +20837,7 @@
     field public static final int AUDIOFOCUS_LOSS_TRANSIENT = -2; // 0xfffffffe
     field public static final int AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK = -3; // 0xfffffffd
     field public static final int AUDIOFOCUS_NONE = 0; // 0x0
+    field public static final int AUDIOFOCUS_REQUEST_DELAYED = 2; // 0x2
     field public static final int AUDIOFOCUS_REQUEST_FAILED = 0; // 0x0
     field public static final int AUDIOFOCUS_REQUEST_GRANTED = 1; // 0x1
     field public static final int AUDIO_SESSION_ID_GENERATE = 0; // 0x0
@@ -20998,13 +21034,14 @@
     field public long nanoTime;
   }
 
-  public class AudioTrack implements android.media.AudioRouting {
+  public class AudioTrack implements android.media.AudioRouting android.media.VolumeAutomation {
     ctor public deprecated AudioTrack(int, int, int, int, int, int) throws java.lang.IllegalArgumentException;
     ctor public deprecated AudioTrack(int, int, int, int, int, int, int) throws java.lang.IllegalArgumentException;
     ctor public AudioTrack(android.media.AudioAttributes, android.media.AudioFormat, int, int, int) throws java.lang.IllegalArgumentException;
     method public void addOnRoutingChangedListener(android.media.AudioRouting.OnRoutingChangedListener, android.os.Handler);
     method public deprecated void addOnRoutingChangedListener(android.media.AudioTrack.OnRoutingChangedListener, android.os.Handler);
     method public int attachAuxEffect(int);
+    method public android.media.VolumeShaper createVolumeShaper(android.media.VolumeShaper.Configuration);
     method public void flush();
     method public int getAudioFormat();
     method public int getAudioSessionId();
@@ -22162,6 +22199,7 @@
     field public static final java.lang.String KEY_IS_FORCED_SUBTITLE = "is-forced-subtitle";
     field public static final java.lang.String KEY_I_FRAME_INTERVAL = "i-frame-interval";
     field public static final java.lang.String KEY_LANGUAGE = "language";
+    field public static final java.lang.String KEY_LATENCY = "latency";
     field public static final java.lang.String KEY_LEVEL = "level";
     field public static final java.lang.String KEY_MAX_HEIGHT = "max-height";
     field public static final java.lang.String KEY_MAX_INPUT_SIZE = "max-input-size";
@@ -22345,7 +22383,7 @@
     field public static final int MUXER_OUTPUT_WEBM = 1; // 0x1
   }
 
-  public class MediaPlayer {
+  public class MediaPlayer implements android.media.VolumeAutomation {
     ctor public MediaPlayer();
     method public void addTimedTextSource(java.lang.String, java.lang.String) throws java.io.IOException, java.lang.IllegalArgumentException, java.lang.IllegalStateException;
     method public void addTimedTextSource(android.content.Context, android.net.Uri, java.lang.String) throws java.io.IOException, java.lang.IllegalArgumentException, java.lang.IllegalStateException;
@@ -22357,6 +22395,7 @@
     method public static android.media.MediaPlayer create(android.content.Context, android.net.Uri, android.view.SurfaceHolder, android.media.AudioAttributes, int);
     method public static android.media.MediaPlayer create(android.content.Context, int);
     method public static android.media.MediaPlayer create(android.content.Context, int, android.media.AudioAttributes, int);
+    method public android.media.VolumeShaper createVolumeShaper(android.media.VolumeShaper.Configuration);
     method public void deselectTrack(int) throws java.lang.IllegalStateException;
     method public int getAudioSessionId();
     method public android.media.BufferingParams getBufferingParams();
@@ -23184,6 +23223,10 @@
     ctor public UnsupportedSchemeException(java.lang.String);
   }
 
+  public abstract interface VolumeAutomation {
+    method public abstract android.media.VolumeShaper createVolumeShaper(android.media.VolumeShaper.Configuration);
+  }
+
   public abstract class VolumeProvider {
     ctor public VolumeProvider(int, int, int);
     method public final int getCurrentVolume();
@@ -23197,6 +23240,53 @@
     field public static final int VOLUME_CONTROL_RELATIVE = 1; // 0x1
   }
 
+  public final class VolumeShaper implements java.lang.AutoCloseable {
+    method public void apply(android.media.VolumeShaper.Operation);
+    method public void close();
+    method public float getVolume();
+    method public void replace(android.media.VolumeShaper.Configuration, android.media.VolumeShaper.Operation, boolean);
+  }
+
+  public static final class VolumeShaper.Configuration implements android.os.Parcelable {
+    method public int describeContents();
+    method public double getDurationMs();
+    method public int getInterpolatorType();
+    method public static int getMaximumCurvePoints();
+    method public float[] getTimes();
+    method public float[] getVolumes();
+    method public void writeToParcel(android.os.Parcel, int);
+    field public static final android.os.Parcelable.Creator<android.media.VolumeShaper.Configuration> CREATOR;
+    field public static final android.media.VolumeShaper.Configuration CUBIC_RAMP;
+    field public static final int INTERPOLATOR_TYPE_CUBIC = 2; // 0x2
+    field public static final int INTERPOLATOR_TYPE_CUBIC_MONOTONIC = 3; // 0x3
+    field public static final int INTERPOLATOR_TYPE_LINEAR = 1; // 0x1
+    field public static final int INTERPOLATOR_TYPE_STEP = 0; // 0x0
+    field public static final android.media.VolumeShaper.Configuration LINEAR_RAMP;
+    field public static final android.media.VolumeShaper.Configuration SCURVE_RAMP;
+    field public static final android.media.VolumeShaper.Configuration SINE_RAMP;
+  }
+
+  public static final class VolumeShaper.Configuration.Builder {
+    ctor public VolumeShaper.Configuration.Builder();
+    ctor public VolumeShaper.Configuration.Builder(android.media.VolumeShaper.Configuration);
+    method public android.media.VolumeShaper.Configuration build();
+    method public android.media.VolumeShaper.Configuration.Builder invertVolumes();
+    method public android.media.VolumeShaper.Configuration.Builder reflectTimes();
+    method public android.media.VolumeShaper.Configuration.Builder scaleToEndVolume(float);
+    method public android.media.VolumeShaper.Configuration.Builder scaleToStartVolume(float);
+    method public android.media.VolumeShaper.Configuration.Builder setCurve(float[], float[]);
+    method public android.media.VolumeShaper.Configuration.Builder setDurationMs(double);
+    method public android.media.VolumeShaper.Configuration.Builder setInterpolatorType(int);
+  }
+
+  public static final class VolumeShaper.Operation implements android.os.Parcelable {
+    method public int describeContents();
+    method public void writeToParcel(android.os.Parcel, int);
+    field public static final android.os.Parcelable.Creator<android.media.VolumeShaper.Operation> CREATOR;
+    field public static final android.media.VolumeShaper.Operation PLAY;
+    field public static final android.media.VolumeShaper.Operation REVERSE;
+  }
+
 }
 
 package android.media.audiofx {
@@ -26076,8 +26166,6 @@
   public class DiscoverySession {
     method public java.lang.String createNetworkSpecifier(android.net.wifi.aware.PeerHandle, byte[]);
     method public void destroy();
-    method public static int getMaxSendRetryCount();
-    method public void sendMessage(android.net.wifi.aware.PeerHandle, int, byte[], int);
     method public void sendMessage(android.net.wifi.aware.PeerHandle, int, byte[]);
   }
 
@@ -36322,10 +36410,10 @@
   public static final class FillResponse.Builder {
     ctor public FillResponse.Builder();
     method public android.service.autofill.FillResponse.Builder addDataset(android.service.autofill.Dataset);
-    method public android.service.autofill.FillResponse.Builder addSavableFields(android.view.autofill.AutoFillId...);
     method public android.service.autofill.FillResponse build();
     method public android.service.autofill.FillResponse.Builder setAuthentication(android.content.IntentSender, android.widget.RemoteViews);
     method public android.service.autofill.FillResponse.Builder setExtras(android.os.Bundle);
+    method public android.service.autofill.FillResponse.Builder setSaveInfo(android.service.autofill.SaveInfo);
   }
 
   public final class SaveCallback {
@@ -36333,6 +36421,23 @@
     method public void onSuccess();
   }
 
+  public final class SaveInfo implements android.os.Parcelable {
+    method public int describeContents();
+    method public void writeToParcel(android.os.Parcel, int);
+    field public static final android.os.Parcelable.Creator<android.service.autofill.SaveInfo> CREATOR;
+    field public static final int SAVE_DATA_TYPE_ADDRESS = 2; // 0x2
+    field public static final int SAVE_DATA_TYPE_CREDIT_CARD = 3; // 0x3
+    field public static final int SAVE_DATA_TYPE_GENERIC = 0; // 0x0
+    field public static final int SAVE_DATA_TYPE_PASSWORD = 1; // 0x1
+  }
+
+  public static final class SaveInfo.Builder {
+    ctor public SaveInfo.Builder(int);
+    method public android.service.autofill.SaveInfo.Builder addSavableIds(android.view.autofill.AutoFillId...);
+    method public android.service.autofill.SaveInfo build();
+    method public android.service.autofill.SaveInfo.Builder setDescription(java.lang.CharSequence);
+  }
+
 }
 
 package android.service.carrier {
@@ -42448,30 +42553,51 @@
     method public abstract void setValue(T, float);
   }
 
-  public final class Half {
+  public final class Half extends java.lang.Number implements java.lang.Comparable {
+    ctor public Half(short);
+    ctor public Half(float);
+    ctor public Half(double);
+    ctor public Half(java.lang.String) throws java.lang.NumberFormatException;
     method public static short abs(short);
     method public static short ceil(short);
+    method public static int compare(short, short);
+    method public int compareTo(android.util.Half);
     method public static short copySign(short, short);
+    method public double doubleValue();
     method public static boolean equals(short, short);
+    method public float floatValue();
     method public static short floor(short);
     method public static int getExponent(short);
     method public static int getSign(short);
     method public static int getSignificand(short);
     method public static boolean greater(short, short);
     method public static boolean greaterEquals(short, short);
+    method public static int halfToIntBits(short);
+    method public static int halfToRawIntBits(short);
+    method public static short halfToShortBits(short);
+    method public short halfValue();
+    method public static int hashCode(short);
+    method public static short intBitsToHalf(int);
+    method public int intValue();
     method public static boolean isInfinite(short);
+    method public boolean isNaN();
     method public static boolean isNaN(short);
     method public static boolean isNormalized(short);
     method public static boolean less(short, short);
     method public static boolean lessEquals(short, short);
+    method public long longValue();
     method public static short max(short, short);
     method public static short min(short, short);
+    method public static short parseHalf(java.lang.String) throws java.lang.NumberFormatException;
     method public static short round(short);
     method public static float toFloat(short);
+    method public static short toHalf(float);
     method public static java.lang.String toHexString(short);
     method public static java.lang.String toString(short);
     method public static short trunc(short);
-    method public static short valueOf(float);
+    method public static android.util.Half valueOf(short);
+    method public static android.util.Half valueOf(float);
+    method public static android.util.Half valueOf(java.lang.String);
     field public static final short EPSILON = 5120; // 0x1400
     field public static final short LOWEST_VALUE = -1025; // 0xfffffbff
     field public static final int MAX_EXPONENT = 15; // 0xf
@@ -44575,8 +44701,8 @@
     method public void drawableHotspotChanged(float, float);
     method protected void drawableStateChanged();
     method public android.view.View findFocus();
-    method public final android.view.View findViewById(int);
-    method public final android.view.View findViewWithTag(java.lang.Object);
+    method public final <T extends android.view.View> T findViewById(int);
+    method public final <T extends android.view.View> T findViewWithTag(java.lang.Object);
     method public void findViewsWithText(java.util.ArrayList<android.view.View>, java.lang.CharSequence, int);
     method protected deprecated boolean fitSystemWindows(android.graphics.Rect);
     method public android.view.View focusSearch(int);
diff --git a/api/removed.txt b/api/removed.txt
index 9baeebc..c5dbf8d 100644
--- a/api/removed.txt
+++ b/api/removed.txt
@@ -20,25 +20,14 @@
 package android.content {
 
   public abstract class Context {
-    method public deprecated android.content.Context createCredentialEncryptedStorageContext();
-    method public deprecated android.content.Context createDeviceEncryptedStorageContext();
     method public abstract android.content.SharedPreferences getSharedPreferences(java.io.File, int);
     method public abstract java.io.File getSharedPreferencesPath(java.lang.String);
-    method public deprecated boolean isCredentialEncryptedStorage();
-    method public deprecated boolean isDeviceEncryptedStorage();
-    method public deprecated boolean migrateDatabaseFrom(android.content.Context, java.lang.String);
-    method public deprecated boolean migrateSharedPreferencesFrom(android.content.Context, java.lang.String);
   }
 
 }
 
 package android.content.pm {
 
-  public class ApplicationInfo extends android.content.pm.PackageItemInfo implements android.os.Parcelable {
-    field public deprecated java.lang.String credentialEncryptedDataDir;
-    field public deprecated java.lang.String deviceEncryptedDataDir;
-  }
-
   public class ComponentInfo extends android.content.pm.PackageItemInfo {
     field public deprecated boolean encryptionAware;
   }
@@ -47,12 +36,6 @@
     field public static final int REQUESTED_PERMISSION_REQUIRED = 1; // 0x1
   }
 
-  public abstract class PackageManager {
-    field public static final deprecated int MATCH_ENCRYPTION_AWARE = 524288; // 0x80000
-    field public static final deprecated int MATCH_ENCRYPTION_AWARE_AND_UNAWARE = 786432; // 0xc0000
-    field public static final deprecated int MATCH_ENCRYPTION_UNAWARE = 262144; // 0x40000
-  }
-
 }
 
 package android.database {
@@ -186,15 +169,6 @@
 
 }
 
-package android.preference {
-
-  public class PreferenceManager {
-    method public deprecated void setStorageCredentialEncrypted();
-    method public deprecated void setStorageDeviceEncrypted();
-  }
-
-}
-
 package android.provider {
 
   public class Browser {
diff --git a/api/system-current.txt b/api/system-current.txt
index 59dd315..e00507e 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -418,7 +418,7 @@
     field public static final int autoSizeMinTextSize = 16844088; // 0x1010538
     field public static final int autoSizePresetSizes = 16844087; // 0x1010537
     field public static final int autoSizeStepGranularity = 16844086; // 0x1010536
-    field public static final int autoSizeText = 16844085; // 0x1010535
+    field public static final int autoSizeTextType = 16844085; // 0x1010535
     field public static final int autoStart = 16843445; // 0x10102b5
     field public static final deprecated int autoText = 16843114; // 0x101016a
     field public static final int autoUrlDetect = 16843404; // 0x101028c
@@ -7110,6 +7110,7 @@
     method public android.app.job.JobInfo.TriggerContentUri[] getTriggerContentUris();
     method public boolean isPeriodic();
     method public boolean isPersisted();
+    method public boolean isRequireBatteryNotLow();
     method public boolean isRequireCharging();
     method public boolean isRequireDeviceIdle();
     method public void writeToParcel(android.os.Parcel, int);
@@ -7136,6 +7137,7 @@
     method public android.app.job.JobInfo.Builder setPeriodic(long, long);
     method public android.app.job.JobInfo.Builder setPersisted(boolean);
     method public android.app.job.JobInfo.Builder setRequiredNetworkType(int);
+    method public android.app.job.JobInfo.Builder setRequiresBatteryNotLow(boolean);
     method public android.app.job.JobInfo.Builder setRequiresCharging(boolean);
     method public android.app.job.JobInfo.Builder setRequiresDeviceIdle(boolean);
     method public android.app.job.JobInfo.Builder setTransientExtras(android.os.Bundle);
@@ -10640,10 +10642,12 @@
     ctor public LauncherApps.ShortcutQuery();
     method public android.content.pm.LauncherApps.ShortcutQuery setActivity(android.content.ComponentName);
     method public android.content.pm.LauncherApps.ShortcutQuery setChangedSince(long);
+    method public android.content.pm.LauncherApps.ShortcutQuery setIntent(android.content.Intent);
     method public android.content.pm.LauncherApps.ShortcutQuery setPackage(java.lang.String);
     method public android.content.pm.LauncherApps.ShortcutQuery setQueryFlags(int);
     method public android.content.pm.LauncherApps.ShortcutQuery setShortcutIds(java.util.List<java.lang.String>);
     field public static final int FLAG_GET_KEY_FIELDS_ONLY = 4; // 0x4
+    field public static final int FLAG_MATCH_CHOOSER = 16; // 0x10
     field public static final int FLAG_MATCH_DYNAMIC = 1; // 0x1
     field public static final int FLAG_MATCH_MANIFEST = 8; // 0x8
     field public static final int FLAG_MATCH_PINNED = 2; // 0x2
@@ -11267,6 +11271,9 @@
     method public int describeContents();
     method public android.content.ComponentName getActivity();
     method public java.util.Set<java.lang.String> getCategories();
+    method public android.content.ComponentName[] getChooserComponentNames();
+    method public android.os.PersistableBundle getChooserExtras();
+    method public android.content.IntentFilter[] getChooserIntentFilters();
     method public java.lang.CharSequence getDisabledMessage();
     method public android.os.PersistableBundle getExtras();
     method public java.lang.String getId();
@@ -11279,6 +11286,7 @@
     method public java.lang.CharSequence getShortLabel();
     method public android.os.UserHandle getUserHandle();
     method public boolean hasKeyFieldsOnly();
+    method public boolean isChooser();
     method public boolean isDeclaredInManifest();
     method public boolean isDynamic();
     method public boolean isEnabled();
@@ -11291,9 +11299,11 @@
 
   public static class ShortcutInfo.Builder {
     ctor public ShortcutInfo.Builder(android.content.Context, java.lang.String);
+    method public android.content.pm.ShortcutInfo.Builder addChooserIntentFilter(android.content.IntentFilter, android.content.ComponentName);
     method public android.content.pm.ShortcutInfo build();
     method public android.content.pm.ShortcutInfo.Builder setActivity(android.content.ComponentName);
     method public android.content.pm.ShortcutInfo.Builder setCategories(java.util.Set<java.lang.String>);
+    method public android.content.pm.ShortcutInfo.Builder setChooserExtras(android.os.PersistableBundle);
     method public android.content.pm.ShortcutInfo.Builder setDisabledMessage(java.lang.CharSequence);
     method public android.content.pm.ShortcutInfo.Builder setExtras(android.os.PersistableBundle);
     method public android.content.pm.ShortcutInfo.Builder setIcon(android.graphics.drawable.Icon);
@@ -13212,6 +13222,7 @@
     method public static android.graphics.ColorSpace.Adaptation valueOf(java.lang.String);
     method public static final android.graphics.ColorSpace.Adaptation[] values();
     enum_constant public static final android.graphics.ColorSpace.Adaptation BRADFORD;
+    enum_constant public static final android.graphics.ColorSpace.Adaptation CIECAT02;
     enum_constant public static final android.graphics.ColorSpace.Adaptation VON_KRIES;
   }
 
@@ -14648,6 +14659,8 @@
 
   public class ArcShape extends android.graphics.drawable.shapes.RectShape {
     ctor public ArcShape(float, float);
+    method public final float getStartAngle();
+    method public final float getSweepAngle();
   }
 
   public class OvalShape extends android.graphics.drawable.shapes.RectShape {
@@ -22305,6 +22318,26 @@
     field public static final android.os.Parcelable.Creator<android.media.AudioFocusInfo> CREATOR;
   }
 
+  public final class AudioFocusRequest {
+    method public boolean acceptsDelayedFocusGain();
+    method public android.media.AudioAttributes getAudioAttributes();
+    method public int getFocusGain();
+    method public android.media.AudioManager.OnAudioFocusChangeListener getOnAudioFocusChangeListener();
+    method public android.os.Handler getOnAudioFocusChangeListenerHandler();
+    method public boolean willPauseWhenDucked();
+  }
+
+  public static final class AudioFocusRequest.Builder {
+    ctor public AudioFocusRequest.Builder(int);
+    ctor public AudioFocusRequest.Builder(android.media.AudioFocusRequest);
+    method public android.media.AudioFocusRequest build();
+    method public android.media.AudioFocusRequest.Builder setAcceptsDelayedFocusGain(boolean);
+    method public android.media.AudioFocusRequest.Builder setAudioAttributes(android.media.AudioAttributes);
+    method public android.media.AudioFocusRequest.Builder setFocusGain(int);
+    method public android.media.AudioFocusRequest.Builder setOnAudioFocusChangeListener(android.media.AudioManager.OnAudioFocusChangeListener, android.os.Handler);
+    method public android.media.AudioFocusRequest.Builder setWillPauseWhenDucked(boolean);
+  }
+
   public final class AudioFormat implements android.os.Parcelable {
     method public int describeContents();
     method public int getChannelCount();
@@ -22382,6 +22415,7 @@
   public class AudioManager {
     method public int abandonAudioFocus(android.media.AudioManager.OnAudioFocusChangeListener);
     method public int abandonAudioFocus(android.media.AudioManager.OnAudioFocusChangeListener, android.media.AudioAttributes);
+    method public int abandonAudioFocusRequest(android.media.AudioFocusRequest);
     method public void adjustStreamVolume(int, int, int);
     method public void adjustSuggestedStreamVolume(int, int, int);
     method public void adjustVolume(int, int);
@@ -22420,6 +22454,7 @@
     method public deprecated void registerRemoteControlClient(android.media.RemoteControlClient);
     method public deprecated boolean registerRemoteController(android.media.RemoteController);
     method public int requestAudioFocus(android.media.AudioManager.OnAudioFocusChangeListener, int, int);
+    method public int requestAudioFocus(android.media.AudioFocusRequest);
     method public int requestAudioFocus(android.media.AudioManager.OnAudioFocusChangeListener, android.media.AudioAttributes, int, int) throws java.lang.IllegalArgumentException;
     method public int requestAudioFocus(android.media.AudioManager.OnAudioFocusChangeListener, android.media.AudioAttributes, int, int, android.media.audiopolicy.AudioPolicy) throws java.lang.IllegalArgumentException;
     method public deprecated void setBluetoothA2dpOn(boolean);
@@ -22469,6 +22504,7 @@
     field public static final int AUDIOFOCUS_LOSS_TRANSIENT = -2; // 0xfffffffe
     field public static final int AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK = -3; // 0xfffffffd
     field public static final int AUDIOFOCUS_NONE = 0; // 0x0
+    field public static final int AUDIOFOCUS_REQUEST_DELAYED = 2; // 0x2
     field public static final int AUDIOFOCUS_REQUEST_FAILED = 0; // 0x0
     field public static final int AUDIOFOCUS_REQUEST_GRANTED = 1; // 0x1
     field public static final int AUDIO_SESSION_ID_GENERATE = 0; // 0x0
@@ -22686,13 +22722,14 @@
     field public long nanoTime;
   }
 
-  public class AudioTrack implements android.media.AudioRouting {
+  public class AudioTrack implements android.media.AudioRouting android.media.VolumeAutomation {
     ctor public deprecated AudioTrack(int, int, int, int, int, int) throws java.lang.IllegalArgumentException;
     ctor public deprecated AudioTrack(int, int, int, int, int, int, int) throws java.lang.IllegalArgumentException;
     ctor public AudioTrack(android.media.AudioAttributes, android.media.AudioFormat, int, int, int) throws java.lang.IllegalArgumentException;
     method public void addOnRoutingChangedListener(android.media.AudioRouting.OnRoutingChangedListener, android.os.Handler);
     method public deprecated void addOnRoutingChangedListener(android.media.AudioTrack.OnRoutingChangedListener, android.os.Handler);
     method public int attachAuxEffect(int);
+    method public android.media.VolumeShaper createVolumeShaper(android.media.VolumeShaper.Configuration);
     method public void flush();
     method public int getAudioFormat();
     method public int getAudioSessionId();
@@ -23850,6 +23887,7 @@
     field public static final java.lang.String KEY_IS_FORCED_SUBTITLE = "is-forced-subtitle";
     field public static final java.lang.String KEY_I_FRAME_INTERVAL = "i-frame-interval";
     field public static final java.lang.String KEY_LANGUAGE = "language";
+    field public static final java.lang.String KEY_LATENCY = "latency";
     field public static final java.lang.String KEY_LEVEL = "level";
     field public static final java.lang.String KEY_MAX_HEIGHT = "max-height";
     field public static final java.lang.String KEY_MAX_INPUT_SIZE = "max-input-size";
@@ -24033,7 +24071,7 @@
     field public static final int MUXER_OUTPUT_WEBM = 1; // 0x1
   }
 
-  public class MediaPlayer {
+  public class MediaPlayer implements android.media.VolumeAutomation {
     ctor public MediaPlayer();
     method public void addTimedTextSource(java.lang.String, java.lang.String) throws java.io.IOException, java.lang.IllegalArgumentException, java.lang.IllegalStateException;
     method public void addTimedTextSource(android.content.Context, android.net.Uri, java.lang.String) throws java.io.IOException, java.lang.IllegalArgumentException, java.lang.IllegalStateException;
@@ -24045,6 +24083,7 @@
     method public static android.media.MediaPlayer create(android.content.Context, android.net.Uri, android.view.SurfaceHolder, android.media.AudioAttributes, int);
     method public static android.media.MediaPlayer create(android.content.Context, int);
     method public static android.media.MediaPlayer create(android.content.Context, int, android.media.AudioAttributes, int);
+    method public android.media.VolumeShaper createVolumeShaper(android.media.VolumeShaper.Configuration);
     method public void deselectTrack(int) throws java.lang.IllegalStateException;
     method public int getAudioSessionId();
     method public android.media.BufferingParams getBufferingParams();
@@ -24883,6 +24922,10 @@
     ctor public UnsupportedSchemeException(java.lang.String);
   }
 
+  public abstract interface VolumeAutomation {
+    method public abstract android.media.VolumeShaper createVolumeShaper(android.media.VolumeShaper.Configuration);
+  }
+
   public abstract class VolumeProvider {
     ctor public VolumeProvider(int, int, int);
     method public final int getCurrentVolume();
@@ -24896,6 +24939,53 @@
     field public static final int VOLUME_CONTROL_RELATIVE = 1; // 0x1
   }
 
+  public final class VolumeShaper implements java.lang.AutoCloseable {
+    method public void apply(android.media.VolumeShaper.Operation);
+    method public void close();
+    method public float getVolume();
+    method public void replace(android.media.VolumeShaper.Configuration, android.media.VolumeShaper.Operation, boolean);
+  }
+
+  public static final class VolumeShaper.Configuration implements android.os.Parcelable {
+    method public int describeContents();
+    method public double getDurationMs();
+    method public int getInterpolatorType();
+    method public static int getMaximumCurvePoints();
+    method public float[] getTimes();
+    method public float[] getVolumes();
+    method public void writeToParcel(android.os.Parcel, int);
+    field public static final android.os.Parcelable.Creator<android.media.VolumeShaper.Configuration> CREATOR;
+    field public static final android.media.VolumeShaper.Configuration CUBIC_RAMP;
+    field public static final int INTERPOLATOR_TYPE_CUBIC = 2; // 0x2
+    field public static final int INTERPOLATOR_TYPE_CUBIC_MONOTONIC = 3; // 0x3
+    field public static final int INTERPOLATOR_TYPE_LINEAR = 1; // 0x1
+    field public static final int INTERPOLATOR_TYPE_STEP = 0; // 0x0
+    field public static final android.media.VolumeShaper.Configuration LINEAR_RAMP;
+    field public static final android.media.VolumeShaper.Configuration SCURVE_RAMP;
+    field public static final android.media.VolumeShaper.Configuration SINE_RAMP;
+  }
+
+  public static final class VolumeShaper.Configuration.Builder {
+    ctor public VolumeShaper.Configuration.Builder();
+    ctor public VolumeShaper.Configuration.Builder(android.media.VolumeShaper.Configuration);
+    method public android.media.VolumeShaper.Configuration build();
+    method public android.media.VolumeShaper.Configuration.Builder invertVolumes();
+    method public android.media.VolumeShaper.Configuration.Builder reflectTimes();
+    method public android.media.VolumeShaper.Configuration.Builder scaleToEndVolume(float);
+    method public android.media.VolumeShaper.Configuration.Builder scaleToStartVolume(float);
+    method public android.media.VolumeShaper.Configuration.Builder setCurve(float[], float[]);
+    method public android.media.VolumeShaper.Configuration.Builder setDurationMs(double);
+    method public android.media.VolumeShaper.Configuration.Builder setInterpolatorType(int);
+  }
+
+  public static final class VolumeShaper.Operation implements android.os.Parcelable {
+    method public int describeContents();
+    method public void writeToParcel(android.os.Parcel, int);
+    field public static final android.os.Parcelable.Creator<android.media.VolumeShaper.Operation> CREATOR;
+    field public static final android.media.VolumeShaper.Operation PLAY;
+    field public static final android.media.VolumeShaper.Operation REVERSE;
+  }
+
 }
 
 package android.media.audiofx {
@@ -25878,9 +25968,9 @@
     method public static final boolean isProgramUri(android.net.Uri);
     field public static final java.lang.String AUTHORITY = "android.media.tv";
     field public static final java.lang.String EXTRA_COLUMN_NAME = "android.media.tv.extra.COLUMN_NAME";
-    field public static final java.lang.String EXTRA_EXISTING_COLUMN_NAMES = "android.media.tv.extra.EXISTING_COLUMN_NAMES";
     field public static final java.lang.String EXTRA_DATA_TYPE = "android.media.tv.extra.DATA_TYPE";
     field public static final java.lang.String EXTRA_DEFAULT_VALUE = "android.media.tv.extra.DEFAULT_VALUE";
+    field public static final java.lang.String EXTRA_EXISTING_COLUMN_NAMES = "android.media.tv.extra.EXISTING_COLUMN_NAMES";
     field public static final java.lang.String METHOD_ADD_COLUMN = "add_column";
     field public static final java.lang.String METHOD_GET_COLUMNS = "get_columns";
   }
@@ -28661,8 +28751,6 @@
   public class DiscoverySession {
     method public java.lang.String createNetworkSpecifier(android.net.wifi.aware.PeerHandle, byte[]);
     method public void destroy();
-    method public static int getMaxSendRetryCount();
-    method public void sendMessage(android.net.wifi.aware.PeerHandle, int, byte[], int);
     method public void sendMessage(android.net.wifi.aware.PeerHandle, int, byte[]);
   }
 
@@ -39242,10 +39330,10 @@
   public static final class FillResponse.Builder {
     ctor public FillResponse.Builder();
     method public android.service.autofill.FillResponse.Builder addDataset(android.service.autofill.Dataset);
-    method public android.service.autofill.FillResponse.Builder addSavableFields(android.view.autofill.AutoFillId...);
     method public android.service.autofill.FillResponse build();
     method public android.service.autofill.FillResponse.Builder setAuthentication(android.content.IntentSender, android.widget.RemoteViews);
     method public android.service.autofill.FillResponse.Builder setExtras(android.os.Bundle);
+    method public android.service.autofill.FillResponse.Builder setSaveInfo(android.service.autofill.SaveInfo);
   }
 
   public final class SaveCallback {
@@ -39253,6 +39341,23 @@
     method public void onSuccess();
   }
 
+  public final class SaveInfo implements android.os.Parcelable {
+    method public int describeContents();
+    method public void writeToParcel(android.os.Parcel, int);
+    field public static final android.os.Parcelable.Creator<android.service.autofill.SaveInfo> CREATOR;
+    field public static final int SAVE_DATA_TYPE_ADDRESS = 2; // 0x2
+    field public static final int SAVE_DATA_TYPE_CREDIT_CARD = 3; // 0x3
+    field public static final int SAVE_DATA_TYPE_GENERIC = 0; // 0x0
+    field public static final int SAVE_DATA_TYPE_PASSWORD = 1; // 0x1
+  }
+
+  public static final class SaveInfo.Builder {
+    ctor public SaveInfo.Builder(int);
+    method public android.service.autofill.SaveInfo.Builder addSavableIds(android.view.autofill.AutoFillId...);
+    method public android.service.autofill.SaveInfo build();
+    method public android.service.autofill.SaveInfo.Builder setDescription(java.lang.CharSequence);
+  }
+
 }
 
 package android.service.carrier {
@@ -45793,30 +45898,51 @@
     method public abstract void setValue(T, float);
   }
 
-  public final class Half {
+  public final class Half extends java.lang.Number implements java.lang.Comparable {
+    ctor public Half(short);
+    ctor public Half(float);
+    ctor public Half(double);
+    ctor public Half(java.lang.String) throws java.lang.NumberFormatException;
     method public static short abs(short);
     method public static short ceil(short);
+    method public static int compare(short, short);
+    method public int compareTo(android.util.Half);
     method public static short copySign(short, short);
+    method public double doubleValue();
     method public static boolean equals(short, short);
+    method public float floatValue();
     method public static short floor(short);
     method public static int getExponent(short);
     method public static int getSign(short);
     method public static int getSignificand(short);
     method public static boolean greater(short, short);
     method public static boolean greaterEquals(short, short);
+    method public static int halfToIntBits(short);
+    method public static int halfToRawIntBits(short);
+    method public static short halfToShortBits(short);
+    method public short halfValue();
+    method public static int hashCode(short);
+    method public static short intBitsToHalf(int);
+    method public int intValue();
     method public static boolean isInfinite(short);
+    method public boolean isNaN();
     method public static boolean isNaN(short);
     method public static boolean isNormalized(short);
     method public static boolean less(short, short);
     method public static boolean lessEquals(short, short);
+    method public long longValue();
     method public static short max(short, short);
     method public static short min(short, short);
+    method public static short parseHalf(java.lang.String) throws java.lang.NumberFormatException;
     method public static short round(short);
     method public static float toFloat(short);
+    method public static short toHalf(float);
     method public static java.lang.String toHexString(short);
     method public static java.lang.String toString(short);
     method public static short trunc(short);
-    method public static short valueOf(float);
+    method public static android.util.Half valueOf(short);
+    method public static android.util.Half valueOf(float);
+    method public static android.util.Half valueOf(java.lang.String);
     field public static final short EPSILON = 5120; // 0x1400
     field public static final short LOWEST_VALUE = -1025; // 0xfffffbff
     field public static final int MAX_EXPONENT = 15; // 0xf
@@ -47920,8 +48046,8 @@
     method public void drawableHotspotChanged(float, float);
     method protected void drawableStateChanged();
     method public android.view.View findFocus();
-    method public final android.view.View findViewById(int);
-    method public final android.view.View findViewWithTag(java.lang.Object);
+    method public final <T extends android.view.View> T findViewById(int);
+    method public final <T extends android.view.View> T findViewWithTag(java.lang.Object);
     method public void findViewsWithText(java.util.ArrayList<android.view.View>, java.lang.CharSequence, int);
     method protected deprecated boolean fitSystemWindows(android.graphics.Rect);
     method public android.view.View focusSearch(int);
diff --git a/api/system-removed.txt b/api/system-removed.txt
index 4642992..a3093e2 100644
--- a/api/system-removed.txt
+++ b/api/system-removed.txt
@@ -18,25 +18,14 @@
 package android.content {
 
   public abstract class Context {
-    method public deprecated android.content.Context createCredentialEncryptedStorageContext();
-    method public deprecated android.content.Context createDeviceEncryptedStorageContext();
     method public abstract android.content.SharedPreferences getSharedPreferences(java.io.File, int);
     method public abstract java.io.File getSharedPreferencesPath(java.lang.String);
-    method public deprecated boolean isCredentialEncryptedStorage();
-    method public deprecated boolean isDeviceEncryptedStorage();
-    method public deprecated boolean migrateDatabaseFrom(android.content.Context, java.lang.String);
-    method public deprecated boolean migrateSharedPreferencesFrom(android.content.Context, java.lang.String);
   }
 
 }
 
 package android.content.pm {
 
-  public class ApplicationInfo extends android.content.pm.PackageItemInfo implements android.os.Parcelable {
-    field public deprecated java.lang.String credentialEncryptedDataDir;
-    field public deprecated java.lang.String deviceEncryptedDataDir;
-  }
-
   public class ComponentInfo extends android.content.pm.PackageItemInfo {
     field public deprecated boolean encryptionAware;
   }
@@ -45,12 +34,6 @@
     field public static final int REQUESTED_PERMISSION_REQUIRED = 1; // 0x1
   }
 
-  public abstract class PackageManager {
-    field public static final deprecated int MATCH_ENCRYPTION_AWARE = 524288; // 0x80000
-    field public static final deprecated int MATCH_ENCRYPTION_AWARE_AND_UNAWARE = 786432; // 0xc0000
-    field public static final deprecated int MATCH_ENCRYPTION_UNAWARE = 262144; // 0x40000
-  }
-
 }
 
 package android.database {
@@ -180,15 +163,6 @@
 
 }
 
-package android.preference {
-
-  public class PreferenceManager {
-    method public deprecated void setStorageCredentialEncrypted();
-    method public deprecated void setStorageDeviceEncrypted();
-  }
-
-}
-
 package android.provider {
 
   public class Browser {
diff --git a/api/test-current.txt b/api/test-current.txt
index 12c2cc8..500a056 100644
--- a/api/test-current.txt
+++ b/api/test-current.txt
@@ -305,7 +305,7 @@
     field public static final int autoSizeMinTextSize = 16844088; // 0x1010538
     field public static final int autoSizePresetSizes = 16844087; // 0x1010537
     field public static final int autoSizeStepGranularity = 16844086; // 0x1010536
-    field public static final int autoSizeText = 16844085; // 0x1010535
+    field public static final int autoSizeTextType = 16844085; // 0x1010535
     field public static final int autoStart = 16843445; // 0x10102b5
     field public static final deprecated int autoText = 16843114; // 0x101016a
     field public static final int autoUrlDetect = 16843404; // 0x101028c
@@ -6744,6 +6744,7 @@
     method public android.app.job.JobInfo.TriggerContentUri[] getTriggerContentUris();
     method public boolean isPeriodic();
     method public boolean isPersisted();
+    method public boolean isRequireBatteryNotLow();
     method public boolean isRequireCharging();
     method public boolean isRequireDeviceIdle();
     method public void writeToParcel(android.os.Parcel, int);
@@ -6770,6 +6771,7 @@
     method public android.app.job.JobInfo.Builder setPeriodic(long, long);
     method public android.app.job.JobInfo.Builder setPersisted(boolean);
     method public android.app.job.JobInfo.Builder setRequiredNetworkType(int);
+    method public android.app.job.JobInfo.Builder setRequiresBatteryNotLow(boolean);
     method public android.app.job.JobInfo.Builder setRequiresCharging(boolean);
     method public android.app.job.JobInfo.Builder setRequiresDeviceIdle(boolean);
     method public android.app.job.JobInfo.Builder setTransientExtras(android.os.Bundle);
@@ -10135,10 +10137,12 @@
     ctor public LauncherApps.ShortcutQuery();
     method public android.content.pm.LauncherApps.ShortcutQuery setActivity(android.content.ComponentName);
     method public android.content.pm.LauncherApps.ShortcutQuery setChangedSince(long);
+    method public android.content.pm.LauncherApps.ShortcutQuery setIntent(android.content.Intent);
     method public android.content.pm.LauncherApps.ShortcutQuery setPackage(java.lang.String);
     method public android.content.pm.LauncherApps.ShortcutQuery setQueryFlags(int);
     method public android.content.pm.LauncherApps.ShortcutQuery setShortcutIds(java.util.List<java.lang.String>);
     field public static final int FLAG_GET_KEY_FIELDS_ONLY = 4; // 0x4
+    field public static final int FLAG_MATCH_CHOOSER = 16; // 0x10
     field public static final int FLAG_MATCH_DYNAMIC = 1; // 0x1
     field public static final int FLAG_MATCH_MANIFEST = 8; // 0x8
     field public static final int FLAG_MATCH_PINNED = 2; // 0x2
@@ -10681,6 +10685,9 @@
     method public int describeContents();
     method public android.content.ComponentName getActivity();
     method public java.util.Set<java.lang.String> getCategories();
+    method public android.content.ComponentName[] getChooserComponentNames();
+    method public android.os.PersistableBundle getChooserExtras();
+    method public android.content.IntentFilter[] getChooserIntentFilters();
     method public java.lang.CharSequence getDisabledMessage();
     method public android.os.PersistableBundle getExtras();
     method public java.lang.String getId();
@@ -10693,6 +10700,7 @@
     method public java.lang.CharSequence getShortLabel();
     method public android.os.UserHandle getUserHandle();
     method public boolean hasKeyFieldsOnly();
+    method public boolean isChooser();
     method public boolean isDeclaredInManifest();
     method public boolean isDynamic();
     method public boolean isEnabled();
@@ -10705,9 +10713,11 @@
 
   public static class ShortcutInfo.Builder {
     ctor public ShortcutInfo.Builder(android.content.Context, java.lang.String);
+    method public android.content.pm.ShortcutInfo.Builder addChooserIntentFilter(android.content.IntentFilter, android.content.ComponentName);
     method public android.content.pm.ShortcutInfo build();
     method public android.content.pm.ShortcutInfo.Builder setActivity(android.content.ComponentName);
     method public android.content.pm.ShortcutInfo.Builder setCategories(java.util.Set<java.lang.String>);
+    method public android.content.pm.ShortcutInfo.Builder setChooserExtras(android.os.PersistableBundle);
     method public android.content.pm.ShortcutInfo.Builder setDisabledMessage(java.lang.CharSequence);
     method public android.content.pm.ShortcutInfo.Builder setExtras(android.os.PersistableBundle);
     method public android.content.pm.ShortcutInfo.Builder setIcon(android.graphics.drawable.Icon);
@@ -12613,6 +12623,7 @@
     method public static android.graphics.ColorSpace.Adaptation valueOf(java.lang.String);
     method public static final android.graphics.ColorSpace.Adaptation[] values();
     enum_constant public static final android.graphics.ColorSpace.Adaptation BRADFORD;
+    enum_constant public static final android.graphics.ColorSpace.Adaptation CIECAT02;
     enum_constant public static final android.graphics.ColorSpace.Adaptation VON_KRIES;
   }
 
@@ -14050,6 +14061,8 @@
 
   public class ArcShape extends android.graphics.drawable.shapes.RectShape {
     ctor public ArcShape(float, float);
+    method public final float getStartAngle();
+    method public final float getSweepAngle();
   }
 
   public class OvalShape extends android.graphics.drawable.shapes.RectShape {
@@ -20743,6 +20756,26 @@
     field public static final int TYPE_WIRED_HEADSET = 3; // 0x3
   }
 
+  public final class AudioFocusRequest {
+    method public boolean acceptsDelayedFocusGain();
+    method public android.media.AudioAttributes getAudioAttributes();
+    method public int getFocusGain();
+    method public android.media.AudioManager.OnAudioFocusChangeListener getOnAudioFocusChangeListener();
+    method public android.os.Handler getOnAudioFocusChangeListenerHandler();
+    method public boolean willPauseWhenDucked();
+  }
+
+  public static final class AudioFocusRequest.Builder {
+    ctor public AudioFocusRequest.Builder(int);
+    ctor public AudioFocusRequest.Builder(android.media.AudioFocusRequest);
+    method public android.media.AudioFocusRequest build();
+    method public android.media.AudioFocusRequest.Builder setAcceptsDelayedFocusGain(boolean);
+    method public android.media.AudioFocusRequest.Builder setAudioAttributes(android.media.AudioAttributes);
+    method public android.media.AudioFocusRequest.Builder setFocusGain(int);
+    method public android.media.AudioFocusRequest.Builder setOnAudioFocusChangeListener(android.media.AudioManager.OnAudioFocusChangeListener, android.os.Handler);
+    method public android.media.AudioFocusRequest.Builder setWillPauseWhenDucked(boolean);
+  }
+
   public final class AudioFormat implements android.os.Parcelable {
     method public int describeContents();
     method public int getChannelCount();
@@ -20819,6 +20852,7 @@
 
   public class AudioManager {
     method public int abandonAudioFocus(android.media.AudioManager.OnAudioFocusChangeListener);
+    method public int abandonAudioFocusRequest(android.media.AudioFocusRequest);
     method public void adjustStreamVolume(int, int, int);
     method public void adjustSuggestedStreamVolume(int, int, int);
     method public void adjustVolume(int, int);
@@ -20855,6 +20889,7 @@
     method public deprecated void registerRemoteControlClient(android.media.RemoteControlClient);
     method public deprecated boolean registerRemoteController(android.media.RemoteController);
     method public int requestAudioFocus(android.media.AudioManager.OnAudioFocusChangeListener, int, int);
+    method public int requestAudioFocus(android.media.AudioFocusRequest);
     method public deprecated void setBluetoothA2dpOn(boolean);
     method public void setBluetoothScoOn(boolean);
     method public void setMicrophoneMute(boolean);
@@ -20898,6 +20933,7 @@
     field public static final int AUDIOFOCUS_LOSS_TRANSIENT = -2; // 0xfffffffe
     field public static final int AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK = -3; // 0xfffffffd
     field public static final int AUDIOFOCUS_NONE = 0; // 0x0
+    field public static final int AUDIOFOCUS_REQUEST_DELAYED = 2; // 0x2
     field public static final int AUDIOFOCUS_REQUEST_FAILED = 0; // 0x0
     field public static final int AUDIOFOCUS_REQUEST_GRANTED = 1; // 0x1
     field public static final int AUDIO_SESSION_ID_GENERATE = 0; // 0x0
@@ -21094,13 +21130,14 @@
     field public long nanoTime;
   }
 
-  public class AudioTrack implements android.media.AudioRouting {
+  public class AudioTrack implements android.media.AudioRouting android.media.VolumeAutomation {
     ctor public deprecated AudioTrack(int, int, int, int, int, int) throws java.lang.IllegalArgumentException;
     ctor public deprecated AudioTrack(int, int, int, int, int, int, int) throws java.lang.IllegalArgumentException;
     ctor public AudioTrack(android.media.AudioAttributes, android.media.AudioFormat, int, int, int) throws java.lang.IllegalArgumentException;
     method public void addOnRoutingChangedListener(android.media.AudioRouting.OnRoutingChangedListener, android.os.Handler);
     method public deprecated void addOnRoutingChangedListener(android.media.AudioTrack.OnRoutingChangedListener, android.os.Handler);
     method public int attachAuxEffect(int);
+    method public android.media.VolumeShaper createVolumeShaper(android.media.VolumeShaper.Configuration);
     method public void flush();
     method public int getAudioFormat();
     method public int getAudioSessionId();
@@ -22258,6 +22295,7 @@
     field public static final java.lang.String KEY_IS_FORCED_SUBTITLE = "is-forced-subtitle";
     field public static final java.lang.String KEY_I_FRAME_INTERVAL = "i-frame-interval";
     field public static final java.lang.String KEY_LANGUAGE = "language";
+    field public static final java.lang.String KEY_LATENCY = "latency";
     field public static final java.lang.String KEY_LEVEL = "level";
     field public static final java.lang.String KEY_MAX_HEIGHT = "max-height";
     field public static final java.lang.String KEY_MAX_INPUT_SIZE = "max-input-size";
@@ -22441,7 +22479,7 @@
     field public static final int MUXER_OUTPUT_WEBM = 1; // 0x1
   }
 
-  public class MediaPlayer {
+  public class MediaPlayer implements android.media.VolumeAutomation {
     ctor public MediaPlayer();
     method public void addTimedTextSource(java.lang.String, java.lang.String) throws java.io.IOException, java.lang.IllegalArgumentException, java.lang.IllegalStateException;
     method public void addTimedTextSource(android.content.Context, android.net.Uri, java.lang.String) throws java.io.IOException, java.lang.IllegalArgumentException, java.lang.IllegalStateException;
@@ -22453,6 +22491,7 @@
     method public static android.media.MediaPlayer create(android.content.Context, android.net.Uri, android.view.SurfaceHolder, android.media.AudioAttributes, int);
     method public static android.media.MediaPlayer create(android.content.Context, int);
     method public static android.media.MediaPlayer create(android.content.Context, int, android.media.AudioAttributes, int);
+    method public android.media.VolumeShaper createVolumeShaper(android.media.VolumeShaper.Configuration);
     method public void deselectTrack(int) throws java.lang.IllegalStateException;
     method public int getAudioSessionId();
     method public android.media.BufferingParams getBufferingParams();
@@ -23280,6 +23319,10 @@
     ctor public UnsupportedSchemeException(java.lang.String);
   }
 
+  public abstract interface VolumeAutomation {
+    method public abstract android.media.VolumeShaper createVolumeShaper(android.media.VolumeShaper.Configuration);
+  }
+
   public abstract class VolumeProvider {
     ctor public VolumeProvider(int, int, int);
     method public final int getCurrentVolume();
@@ -23293,6 +23336,53 @@
     field public static final int VOLUME_CONTROL_RELATIVE = 1; // 0x1
   }
 
+  public final class VolumeShaper implements java.lang.AutoCloseable {
+    method public void apply(android.media.VolumeShaper.Operation);
+    method public void close();
+    method public float getVolume();
+    method public void replace(android.media.VolumeShaper.Configuration, android.media.VolumeShaper.Operation, boolean);
+  }
+
+  public static final class VolumeShaper.Configuration implements android.os.Parcelable {
+    method public int describeContents();
+    method public double getDurationMs();
+    method public int getInterpolatorType();
+    method public static int getMaximumCurvePoints();
+    method public float[] getTimes();
+    method public float[] getVolumes();
+    method public void writeToParcel(android.os.Parcel, int);
+    field public static final android.os.Parcelable.Creator<android.media.VolumeShaper.Configuration> CREATOR;
+    field public static final android.media.VolumeShaper.Configuration CUBIC_RAMP;
+    field public static final int INTERPOLATOR_TYPE_CUBIC = 2; // 0x2
+    field public static final int INTERPOLATOR_TYPE_CUBIC_MONOTONIC = 3; // 0x3
+    field public static final int INTERPOLATOR_TYPE_LINEAR = 1; // 0x1
+    field public static final int INTERPOLATOR_TYPE_STEP = 0; // 0x0
+    field public static final android.media.VolumeShaper.Configuration LINEAR_RAMP;
+    field public static final android.media.VolumeShaper.Configuration SCURVE_RAMP;
+    field public static final android.media.VolumeShaper.Configuration SINE_RAMP;
+  }
+
+  public static final class VolumeShaper.Configuration.Builder {
+    ctor public VolumeShaper.Configuration.Builder();
+    ctor public VolumeShaper.Configuration.Builder(android.media.VolumeShaper.Configuration);
+    method public android.media.VolumeShaper.Configuration build();
+    method public android.media.VolumeShaper.Configuration.Builder invertVolumes();
+    method public android.media.VolumeShaper.Configuration.Builder reflectTimes();
+    method public android.media.VolumeShaper.Configuration.Builder scaleToEndVolume(float);
+    method public android.media.VolumeShaper.Configuration.Builder scaleToStartVolume(float);
+    method public android.media.VolumeShaper.Configuration.Builder setCurve(float[], float[]);
+    method public android.media.VolumeShaper.Configuration.Builder setDurationMs(double);
+    method public android.media.VolumeShaper.Configuration.Builder setInterpolatorType(int);
+  }
+
+  public static final class VolumeShaper.Operation implements android.os.Parcelable {
+    method public int describeContents();
+    method public void writeToParcel(android.os.Parcel, int);
+    field public static final android.os.Parcelable.Creator<android.media.VolumeShaper.Operation> CREATOR;
+    field public static final android.media.VolumeShaper.Operation PLAY;
+    field public static final android.media.VolumeShaper.Operation REVERSE;
+  }
+
 }
 
 package android.media.audiofx {
@@ -26172,8 +26262,6 @@
   public class DiscoverySession {
     method public java.lang.String createNetworkSpecifier(android.net.wifi.aware.PeerHandle, byte[]);
     method public void destroy();
-    method public static int getMaxSendRetryCount();
-    method public void sendMessage(android.net.wifi.aware.PeerHandle, int, byte[], int);
     method public void sendMessage(android.net.wifi.aware.PeerHandle, int, byte[]);
   }
 
@@ -36461,10 +36549,10 @@
   public static final class FillResponse.Builder {
     ctor public FillResponse.Builder();
     method public android.service.autofill.FillResponse.Builder addDataset(android.service.autofill.Dataset);
-    method public android.service.autofill.FillResponse.Builder addSavableFields(android.view.autofill.AutoFillId...);
     method public android.service.autofill.FillResponse build();
     method public android.service.autofill.FillResponse.Builder setAuthentication(android.content.IntentSender, android.widget.RemoteViews);
     method public android.service.autofill.FillResponse.Builder setExtras(android.os.Bundle);
+    method public android.service.autofill.FillResponse.Builder setSaveInfo(android.service.autofill.SaveInfo);
   }
 
   public final class SaveCallback {
@@ -36472,6 +36560,23 @@
     method public void onSuccess();
   }
 
+  public final class SaveInfo implements android.os.Parcelable {
+    method public int describeContents();
+    method public void writeToParcel(android.os.Parcel, int);
+    field public static final android.os.Parcelable.Creator<android.service.autofill.SaveInfo> CREATOR;
+    field public static final int SAVE_DATA_TYPE_ADDRESS = 2; // 0x2
+    field public static final int SAVE_DATA_TYPE_CREDIT_CARD = 3; // 0x3
+    field public static final int SAVE_DATA_TYPE_GENERIC = 0; // 0x0
+    field public static final int SAVE_DATA_TYPE_PASSWORD = 1; // 0x1
+  }
+
+  public static final class SaveInfo.Builder {
+    ctor public SaveInfo.Builder(int);
+    method public android.service.autofill.SaveInfo.Builder addSavableIds(android.view.autofill.AutoFillId...);
+    method public android.service.autofill.SaveInfo build();
+    method public android.service.autofill.SaveInfo.Builder setDescription(java.lang.CharSequence);
+  }
+
 }
 
 package android.service.carrier {
@@ -42637,30 +42742,51 @@
     method public abstract void setValue(T, float);
   }
 
-  public final class Half {
+  public final class Half extends java.lang.Number implements java.lang.Comparable {
+    ctor public Half(short);
+    ctor public Half(float);
+    ctor public Half(double);
+    ctor public Half(java.lang.String) throws java.lang.NumberFormatException;
     method public static short abs(short);
     method public static short ceil(short);
+    method public static int compare(short, short);
+    method public int compareTo(android.util.Half);
     method public static short copySign(short, short);
+    method public double doubleValue();
     method public static boolean equals(short, short);
+    method public float floatValue();
     method public static short floor(short);
     method public static int getExponent(short);
     method public static int getSign(short);
     method public static int getSignificand(short);
     method public static boolean greater(short, short);
     method public static boolean greaterEquals(short, short);
+    method public static int halfToIntBits(short);
+    method public static int halfToRawIntBits(short);
+    method public static short halfToShortBits(short);
+    method public short halfValue();
+    method public static int hashCode(short);
+    method public static short intBitsToHalf(int);
+    method public int intValue();
     method public static boolean isInfinite(short);
+    method public boolean isNaN();
     method public static boolean isNaN(short);
     method public static boolean isNormalized(short);
     method public static boolean less(short, short);
     method public static boolean lessEquals(short, short);
+    method public long longValue();
     method public static short max(short, short);
     method public static short min(short, short);
+    method public static short parseHalf(java.lang.String) throws java.lang.NumberFormatException;
     method public static short round(short);
     method public static float toFloat(short);
+    method public static short toHalf(float);
     method public static java.lang.String toHexString(short);
     method public static java.lang.String toString(short);
     method public static short trunc(short);
-    method public static short valueOf(float);
+    method public static android.util.Half valueOf(short);
+    method public static android.util.Half valueOf(float);
+    method public static android.util.Half valueOf(java.lang.String);
     field public static final short EPSILON = 5120; // 0x1400
     field public static final short LOWEST_VALUE = -1025; // 0xfffffbff
     field public static final int MAX_EXPONENT = 15; // 0xf
@@ -44930,8 +45056,8 @@
     method public void drawableHotspotChanged(float, float);
     method protected void drawableStateChanged();
     method public android.view.View findFocus();
-    method public final android.view.View findViewById(int);
-    method public final android.view.View findViewWithTag(java.lang.Object);
+    method public final <T extends android.view.View> T findViewById(int);
+    method public final <T extends android.view.View> T findViewWithTag(java.lang.Object);
     method public void findViewsWithText(java.util.ArrayList<android.view.View>, java.lang.CharSequence, int);
     method protected deprecated boolean fitSystemWindows(android.graphics.Rect);
     method public android.view.View focusSearch(int);
diff --git a/api/test-removed.txt b/api/test-removed.txt
index 9baeebc..c5dbf8d 100644
--- a/api/test-removed.txt
+++ b/api/test-removed.txt
@@ -20,25 +20,14 @@
 package android.content {
 
   public abstract class Context {
-    method public deprecated android.content.Context createCredentialEncryptedStorageContext();
-    method public deprecated android.content.Context createDeviceEncryptedStorageContext();
     method public abstract android.content.SharedPreferences getSharedPreferences(java.io.File, int);
     method public abstract java.io.File getSharedPreferencesPath(java.lang.String);
-    method public deprecated boolean isCredentialEncryptedStorage();
-    method public deprecated boolean isDeviceEncryptedStorage();
-    method public deprecated boolean migrateDatabaseFrom(android.content.Context, java.lang.String);
-    method public deprecated boolean migrateSharedPreferencesFrom(android.content.Context, java.lang.String);
   }
 
 }
 
 package android.content.pm {
 
-  public class ApplicationInfo extends android.content.pm.PackageItemInfo implements android.os.Parcelable {
-    field public deprecated java.lang.String credentialEncryptedDataDir;
-    field public deprecated java.lang.String deviceEncryptedDataDir;
-  }
-
   public class ComponentInfo extends android.content.pm.PackageItemInfo {
     field public deprecated boolean encryptionAware;
   }
@@ -47,12 +36,6 @@
     field public static final int REQUESTED_PERMISSION_REQUIRED = 1; // 0x1
   }
 
-  public abstract class PackageManager {
-    field public static final deprecated int MATCH_ENCRYPTION_AWARE = 524288; // 0x80000
-    field public static final deprecated int MATCH_ENCRYPTION_AWARE_AND_UNAWARE = 786432; // 0xc0000
-    field public static final deprecated int MATCH_ENCRYPTION_UNAWARE = 262144; // 0x40000
-  }
-
 }
 
 package android.database {
@@ -186,15 +169,6 @@
 
 }
 
-package android.preference {
-
-  public class PreferenceManager {
-    method public deprecated void setStorageCredentialEncrypted();
-    method public deprecated void setStorageDeviceEncrypted();
-  }
-
-}
-
 package android.provider {
 
   public class Browser {
diff --git a/core/java/android/annotation/HalfFloat.java b/core/java/android/annotation/HalfFloat.java
index d3e9f08..256008c 100644
--- a/core/java/android/annotation/HalfFloat.java
+++ b/core/java/android/annotation/HalfFloat.java
@@ -37,7 +37,7 @@
  * }</pre>
  *
  * @see android.util.Half
- * @see android.util.Half#valueOf(float)
+ * @see android.util.Half#toHalf(float)
  * @see android.util.Half#toFloat(short)
  *
  * @hide
diff --git a/core/java/android/app/ApplicationPackageManager.java b/core/java/android/app/ApplicationPackageManager.java
index 1652299..0608acb 100644
--- a/core/java/android/app/ApplicationPackageManager.java
+++ b/core/java/android/app/ApplicationPackageManager.java
@@ -1024,12 +1024,18 @@
     }
 
     @Override
-    @SuppressWarnings("unchecked")
     public List<ProviderInfo> queryContentProviders(String processName,
             int uid, int flags) {
+        return queryContentProviders(processName, uid, flags, null);
+    }
+
+    @Override
+    @SuppressWarnings("unchecked")
+    public List<ProviderInfo> queryContentProviders(String processName,
+            int uid, int flags, String metaDataKey) {
         try {
             ParceledListSlice<ProviderInfo> slice =
-                    mPM.queryContentProviders(processName, uid, flags);
+                    mPM.queryContentProviders(processName, uid, flags, metaDataKey);
             return slice != null ? slice.getList() : Collections.<ProviderInfo>emptyList();
         } catch (RemoteException e) {
             throw e.rethrowFromSystemServer();
diff --git a/core/java/android/app/ContextImpl.java b/core/java/android/app/ContextImpl.java
index 3e9b987..7ee93d0 100644
--- a/core/java/android/app/ContextImpl.java
+++ b/core/java/android/app/ContextImpl.java
@@ -38,6 +38,7 @@
 import android.content.pm.PackageManager;
 import android.content.pm.PackageManager.NameNotFoundException;
 import android.content.res.AssetManager;
+import android.content.res.CompatResources;
 import android.content.res.CompatibilityInfo;
 import android.content.res.Configuration;
 import android.content.res.Resources;
@@ -49,6 +50,7 @@
 import android.net.Uri;
 import android.os.Binder;
 import android.os.Build;
+import android.os.Build.VERSION_CODES;
 import android.os.Bundle;
 import android.os.Debug;
 import android.os.Environment;
@@ -1925,8 +1927,8 @@
             final int displayId = mDisplay != null
                     ? mDisplay.getDisplayId() : Display.DEFAULT_DISPLAY;
 
-            c.mResources = createResources(mActivityToken, pi, displayId, null,
-                    getDisplayAdjustments(displayId).getCompatibilityInfo());
+            c.setResources(createResources(mActivityToken, pi, displayId, null,
+                    getDisplayAdjustments(displayId).getCompatibilityInfo()));
             if (c.mResources != null) {
                 return c;
             }
@@ -1962,8 +1964,8 @@
             final int displayId = mDisplay != null
                     ? mDisplay.getDisplayId() : Display.DEFAULT_DISPLAY;
 
-            c.mResources = createResources(mActivityToken, pi, displayId, null,
-                    getDisplayAdjustments(displayId).getCompatibilityInfo());
+            c.setResources(createResources(mActivityToken, pi, displayId, null,
+                    getDisplayAdjustments(displayId).getCompatibilityInfo()));
             if (c.mResources != null) {
                 return c;
             }
@@ -1990,7 +1992,7 @@
         final int displayId = mDisplay != null
                 ? mDisplay.getDisplayId() : Display.DEFAULT_DISPLAY;
 
-        context.mResources = ResourcesManager.getInstance().getResources(
+        context.setResources(ResourcesManager.getInstance().getResources(
                 mActivityToken,
                 mPackageInfo.getResDir(),
                 paths,
@@ -1999,7 +2001,7 @@
                 displayId,
                 null,
                 mPackageInfo.getCompatibilityInfo(),
-                classLoader);
+                classLoader));
         return context;
     }
 
@@ -2013,8 +2015,8 @@
                 mUser, mFlags, mClassLoader);
 
         final int displayId = mDisplay != null ? mDisplay.getDisplayId() : Display.DEFAULT_DISPLAY;
-        context.mResources = createResources(mActivityToken, mPackageInfo, displayId,
-                overrideConfiguration, getDisplayAdjustments(displayId).getCompatibilityInfo());
+        context.setResources(createResources(mActivityToken, mPackageInfo, displayId,
+                overrideConfiguration, getDisplayAdjustments(displayId).getCompatibilityInfo()));
         return context;
     }
 
@@ -2028,8 +2030,8 @@
                 mUser, mFlags, mClassLoader);
 
         final int displayId = display.getDisplayId();
-        context.mResources = createResources(mActivityToken, mPackageInfo, displayId, null,
-                getDisplayAdjustments(displayId).getCompatibilityInfo());
+        context.setResources(createResources(mActivityToken, mPackageInfo, displayId, null,
+                getDisplayAdjustments(displayId).getCompatibilityInfo()));
         context.mDisplay = display;
         return context;
     }
@@ -2136,7 +2138,7 @@
         LoadedApk packageInfo = new LoadedApk(mainThread);
         ContextImpl context = new ContextImpl(null, mainThread, packageInfo, null, null, 0,
                 null);
-        context.mResources = packageInfo.getResources();
+        context.setResources(packageInfo.getResources());
         context.mResources.updateConfiguration(context.mResourcesManager.getConfiguration(),
                 context.mResourcesManager.getDisplayMetrics());
         return context;
@@ -2146,7 +2148,7 @@
         if (packageInfo == null) throw new IllegalArgumentException("packageInfo");
         ContextImpl context = new ContextImpl(null, mainThread, packageInfo, null, null, 0,
                 null);
-        context.mResources = packageInfo.getResources();
+        context.setResources(packageInfo.getResources());
         return context;
     }
 
@@ -2185,7 +2187,7 @@
 
         // Create the base resources for which all configuration contexts for this Activity
         // will be rebased upon.
-        context.mResources = resourcesManager.createBaseActivityResources(activityToken,
+        context.setResources(resourcesManager.createBaseActivityResources(activityToken,
                 packageInfo.getResDir(),
                 splitDirs,
                 packageInfo.getOverlayDirs(),
@@ -2193,7 +2195,7 @@
                 displayId,
                 overrideConfiguration,
                 compatInfo,
-                classLoader);
+                classLoader));
         context.mDisplay = resourcesManager.getAdjustedDisplay(displayId,
                 context.getResources());
         return context;
@@ -2232,7 +2234,7 @@
         if (container != null) {
             mBasePackageName = container.mBasePackageName;
             mOpPackageName = container.mOpPackageName;
-            mResources = container.mResources;
+            setResources(container.mResources);
             mDisplay = container.mDisplay;
         } else {
             mBasePackageName = packageInfo.mPackageName;
@@ -2251,6 +2253,14 @@
         mContentResolver = new ApplicationContentResolver(this, mainThread, user);
     }
 
+    void setResources(Resources r) {
+        if (mPackageInfo.getTargetSdkVersion() < VERSION_CODES.O) {
+            mResources = new CompatResources(r, this);
+        } else {
+            mResources = r;
+        }
+    }
+
     void installSystemApplicationInfo(ApplicationInfo info, ClassLoader classLoader) {
         mPackageInfo.installSystemApplicationInfo(info, classLoader);
     }
diff --git a/core/java/android/app/job/JobInfo.java b/core/java/android/app/job/JobInfo.java
index 2d6b45d..3887556 100644
--- a/core/java/android/app/job/JobInfo.java
+++ b/core/java/android/app/job/JobInfo.java
@@ -174,12 +174,26 @@
      */
     public static final int FLAG_WILL_BE_FOREGROUND = 1 << 0;
 
+    /**
+     * @hide
+     */
+    public static final int CONSTRAINT_FLAG_CHARGING = 1 << 0;
+
+    /**
+     * @hide
+     */
+    public static final int CONSTRAINT_FLAG_BATTERY_NOT_LOW = 1 << 1;
+
+    /**
+     * @hide
+     */
+    public static final int CONSTRAINT_FLAG_DEVICE_IDLE = 1 << 2;
+
     private final int jobId;
     private final PersistableBundle extras;
     private final Bundle transientExtras;
     private final ComponentName service;
-    private final boolean requireCharging;
-    private final boolean requireDeviceIdle;
+    private final int constraintFlags;
     private final TriggerContentUri[] triggerContentUris;
     private final long triggerContentUpdateDelay;
     private final long triggerContentMaxDelay;
@@ -241,14 +255,28 @@
      * Whether this job needs the device to be plugged in.
      */
     public boolean isRequireCharging() {
-        return requireCharging;
+        return (constraintFlags & CONSTRAINT_FLAG_CHARGING) != 0;
+    }
+
+    /**
+     * Whether this job needs the device's battery level to not be at below the critical threshold.
+     */
+    public boolean isRequireBatteryNotLow() {
+        return (constraintFlags & CONSTRAINT_FLAG_BATTERY_NOT_LOW) != 0;
     }
 
     /**
      * Whether this job needs the device to be in an Idle maintenance window.
      */
     public boolean isRequireDeviceIdle() {
-        return requireDeviceIdle;
+        return (constraintFlags & CONSTRAINT_FLAG_DEVICE_IDLE) != 0;
+    }
+
+    /**
+     * @hide
+     */
+    public int getConstraintFlags() {
+        return constraintFlags;
     }
 
     /**
@@ -376,8 +404,7 @@
         extras = in.readPersistableBundle();
         transientExtras = in.readBundle();
         service = in.readParcelable(null);
-        requireCharging = in.readInt() == 1;
-        requireDeviceIdle = in.readInt() == 1;
+        constraintFlags = in.readInt();
         triggerContentUris = in.createTypedArray(TriggerContentUri.CREATOR);
         triggerContentUpdateDelay = in.readLong();
         triggerContentMaxDelay = in.readLong();
@@ -401,8 +428,7 @@
         extras = b.mExtras.deepcopy();
         transientExtras = b.mTransientExtras.deepcopy();
         service = b.mJobService;
-        requireCharging = b.mRequiresCharging;
-        requireDeviceIdle = b.mRequiresDeviceIdle;
+        constraintFlags = b.mConstraintFlags;
         triggerContentUris = b.mTriggerContentUris != null
                 ? b.mTriggerContentUris.toArray(new TriggerContentUri[b.mTriggerContentUris.size()])
                 : null;
@@ -434,8 +460,7 @@
         out.writePersistableBundle(extras);
         out.writeBundle(transientExtras);
         out.writeParcelable(service, flags);
-        out.writeInt(requireCharging ? 1 : 0);
-        out.writeInt(requireDeviceIdle ? 1 : 0);
+        out.writeInt(constraintFlags);
         out.writeTypedArray(triggerContentUris, flags);
         out.writeLong(triggerContentUpdateDelay);
         out.writeLong(triggerContentMaxDelay);
@@ -563,8 +588,7 @@
         private int mPriority = PRIORITY_DEFAULT;
         private int mFlags;
         // Requirements.
-        private boolean mRequiresCharging;
-        private boolean mRequiresDeviceIdle;
+        private int mConstraintFlags;
         private int mNetworkType;
         private ArrayList<TriggerContentUri> mTriggerContentUris;
         private long mTriggerContentUpdateDelay = -1;
@@ -651,7 +675,21 @@
          * @param requiresCharging Whether or not the device is plugged in.
          */
         public Builder setRequiresCharging(boolean requiresCharging) {
-            mRequiresCharging = requiresCharging;
+            mConstraintFlags = (mConstraintFlags&~CONSTRAINT_FLAG_CHARGING)
+                    | (requiresCharging ? CONSTRAINT_FLAG_CHARGING : 0);
+            return this;
+        }
+
+        /**
+         * Specify that to run this job, the device's battery level must not be low.
+         * This defaults to false.  If true, the job will only run when the battery level
+         * is not low, which is generally the point where the user is given a "low battery"
+         * warning.
+         * @param batteryNotLow Whether or not the device's battery level must not be low.
+         */
+        public Builder setRequiresBatteryNotLow(boolean batteryNotLow) {
+            mConstraintFlags = (mConstraintFlags&~CONSTRAINT_FLAG_BATTERY_NOT_LOW)
+                    | (batteryNotLow ? CONSTRAINT_FLAG_BATTERY_NOT_LOW : 0);
             return this;
         }
 
@@ -666,7 +704,8 @@
          *                           window.
          */
         public Builder setRequiresDeviceIdle(boolean requiresDeviceIdle) {
-            mRequiresDeviceIdle = requiresDeviceIdle;
+            mConstraintFlags = (mConstraintFlags&~CONSTRAINT_FLAG_DEVICE_IDLE)
+                    | (requiresDeviceIdle ? CONSTRAINT_FLAG_DEVICE_IDLE : 0);
             return this;
         }
 
@@ -816,8 +855,8 @@
          */
         public JobInfo build() {
             // Allow jobs with no constraints - What am I, a database?
-            if (!mHasEarlyConstraint && !mHasLateConstraint && !mRequiresCharging &&
-                    !mRequiresDeviceIdle && mNetworkType == NETWORK_TYPE_NONE &&
+            if (!mHasEarlyConstraint && !mHasLateConstraint && mConstraintFlags == 0 &&
+                    mNetworkType == NETWORK_TYPE_NONE &&
                     mTriggerContentUris == null) {
                 throw new IllegalArgumentException("You're trying to build a job with no " +
                         "constraints, this is not allowed.");
@@ -843,7 +882,7 @@
                 throw new IllegalArgumentException("Can't call setTransientExtras() on a " +
                         "persisted job");
             }
-            if (mBackoffPolicySet && mRequiresDeviceIdle) {
+            if (mBackoffPolicySet && (mConstraintFlags & CONSTRAINT_FLAG_DEVICE_IDLE) != 0) {
                 throw new IllegalArgumentException("An idle mode job will not respect any" +
                         " back-off policy, so calling setBackoffCriteria with" +
                         " setRequiresDeviceIdle is an error.");
diff --git a/core/java/android/content/Context.java b/core/java/android/content/Context.java
index 44f6c43..aff00c3 100644
--- a/core/java/android/content/Context.java
+++ b/core/java/android/content/Context.java
@@ -730,12 +730,6 @@
      */
     public abstract boolean moveSharedPreferencesFrom(Context sourceContext, String name);
 
-    /** @removed */
-    @Deprecated
-    public boolean migrateSharedPreferencesFrom(Context sourceContext, String name) {
-        return moveSharedPreferencesFrom(sourceContext, name);
-    }
-
     /**
      * Delete an existing shared preferences file.
      *
@@ -1451,12 +1445,6 @@
      */
     public abstract boolean moveDatabaseFrom(Context sourceContext, String name);
 
-    /** @removed */
-    @Deprecated
-    public boolean migrateDatabaseFrom(Context sourceContext, String name) {
-        return moveDatabaseFrom(sourceContext, name);
-    }
-
     /**
      * Delete an existing private SQLiteDatabase associated with this Context's
      * application package.
@@ -4382,12 +4370,6 @@
      */
     public abstract Context createDeviceProtectedStorageContext();
 
-    /** @removed */
-    @Deprecated
-    public Context createDeviceEncryptedStorageContext() {
-        return createDeviceProtectedStorageContext();
-    }
-
     /**
      * Return a new Context object for the current Context but whose storage
      * APIs are backed by credential-protected storage. This is the default
@@ -4416,12 +4398,6 @@
     @SystemApi
     public abstract Context createCredentialProtectedStorageContext();
 
-    /** @removed */
-    @Deprecated
-    public Context createCredentialEncryptedStorageContext() {
-        return createCredentialProtectedStorageContext();
-    }
-
     /**
      * Gets the display adjustments holder for this context.  This information
      * is provided on a per-application or activity basis and is used to simulate lower density
@@ -4462,12 +4438,6 @@
      */
     public abstract boolean isDeviceProtectedStorage();
 
-    /** @removed */
-    @Deprecated
-    public boolean isDeviceEncryptedStorage() {
-        return isDeviceProtectedStorage();
-    }
-
     /**
      * Indicates if the storage APIs of this Context are backed by
      * credential-protected storage.
@@ -4478,12 +4448,6 @@
     @SystemApi
     public abstract boolean isCredentialProtectedStorage();
 
-    /** @removed */
-    @Deprecated
-    public boolean isCredentialEncryptedStorage() {
-        return isCredentialProtectedStorage();
-    }
-
     /**
      * @hide
      */
diff --git a/core/java/android/content/pm/ApplicationInfo.java b/core/java/android/content/pm/ApplicationInfo.java
index 9737b11..b4d77a0 100644
--- a/core/java/android/content/pm/ApplicationInfo.java
+++ b/core/java/android/content/pm/ApplicationInfo.java
@@ -720,10 +720,6 @@
      */
     public String deviceProtectedDataDir;
 
-    /** @removed */
-    @Deprecated
-    public String deviceEncryptedDataDir;
-
     /**
      * Full path to the credential-protected directory assigned to the package
      * for its persistent data.
@@ -733,10 +729,6 @@
     @SystemApi
     public String credentialProtectedDataDir;
 
-    /** @removed */
-    @Deprecated
-    public String credentialEncryptedDataDir;
-
     /**
      * Full path to the directory where native JNI libraries are stored.
      */
@@ -1140,8 +1132,8 @@
         seInfoUser = orig.seInfoUser;
         sharedLibraryFiles = orig.sharedLibraryFiles;
         dataDir = orig.dataDir;
-        deviceEncryptedDataDir = deviceProtectedDataDir = orig.deviceProtectedDataDir;
-        credentialEncryptedDataDir = credentialProtectedDataDir = orig.credentialProtectedDataDir;
+        deviceProtectedDataDir = orig.deviceProtectedDataDir;
+        credentialProtectedDataDir = orig.credentialProtectedDataDir;
         uid = orig.uid;
         minSdkVersion = orig.minSdkVersion;
         targetSdkVersion = orig.targetSdkVersion;
@@ -1264,8 +1256,8 @@
         seInfoUser = source.readString();
         sharedLibraryFiles = source.readStringArray();
         dataDir = source.readString();
-        deviceEncryptedDataDir = deviceProtectedDataDir = source.readString();
-        credentialEncryptedDataDir = credentialProtectedDataDir = source.readString();
+        deviceProtectedDataDir = source.readString();
+        credentialProtectedDataDir = source.readString();
         uid = source.readInt();
         minSdkVersion = source.readInt();
         targetSdkVersion = source.readInt();
@@ -1336,10 +1328,10 @@
             return;
         }
 
-        deviceEncryptedDataDir = deviceProtectedDataDir = Environment
+        deviceProtectedDataDir = Environment
                 .getDataUserDePackageDirectory(volumeUuid, userId, packageName)
                 .getAbsolutePath();
-        credentialEncryptedDataDir = credentialProtectedDataDir = Environment
+        credentialProtectedDataDir = Environment
                 .getDataUserCePackageDirectory(volumeUuid, userId, packageName)
                 .getAbsolutePath();
 
diff --git a/core/java/android/content/pm/ILauncherApps.aidl b/core/java/android/content/pm/ILauncherApps.aidl
index c08bd1d..41311eb 100644
--- a/core/java/android/content/pm/ILauncherApps.aidl
+++ b/core/java/android/content/pm/ILauncherApps.aidl
@@ -55,7 +55,8 @@
             String callingPackage, String packageName, int flags, in UserHandle user);
 
     ParceledListSlice getShortcuts(String callingPackage, long changedSince, String packageName,
-            in List shortcutIds, in ComponentName componentName, int flags, in UserHandle user);
+            in List shortcutIds, in ComponentName componentName, in Intent intent, int flags,
+            in UserHandle user);
     void pinShortcuts(String callingPackage, String packageName, in List<String> shortcutIds,
             in UserHandle user);
     boolean startShortcut(String callingPackage, String packageName, String id,
diff --git a/core/java/android/content/pm/IPackageManager.aidl b/core/java/android/content/pm/IPackageManager.aidl
index 11948dbc..147b3e1 100644
--- a/core/java/android/content/pm/IPackageManager.aidl
+++ b/core/java/android/content/pm/IPackageManager.aidl
@@ -211,7 +211,7 @@
             inout List<ProviderInfo> outInfo);
 
     ParceledListSlice queryContentProviders(
-            String processName, int uid, int flags);
+            String processName, int uid, int flags, String metaDataKey);
 
     InstrumentationInfo getInstrumentationInfo(
             in ComponentName className, int flags);
diff --git a/core/java/android/content/pm/IPinItemRequest.aidl b/core/java/android/content/pm/IPinItemRequest.aidl
index efe2835..eddce58 100644
--- a/core/java/android/content/pm/IPinItemRequest.aidl
+++ b/core/java/android/content/pm/IPinItemRequest.aidl
@@ -16,6 +16,8 @@
 package android.content.pm;
 
 import android.os.Bundle;
+import android.appwidget.AppWidgetProviderInfo;
+import android.content.pm.ShortcutInfo;
 
 /**
  * {@hide}
@@ -23,4 +25,6 @@
 interface IPinItemRequest {
     boolean isValid();
     boolean accept(in Bundle options);
+    ShortcutInfo getShortcutInfo();
+    AppWidgetProviderInfo getAppWidgetProviderInfo();
 }
diff --git a/core/java/android/content/pm/LauncherApps.java b/core/java/android/content/pm/LauncherApps.java
index 0866af2..776492a 100644
--- a/core/java/android/content/pm/LauncherApps.java
+++ b/core/java/android/content/pm/LauncherApps.java
@@ -275,7 +275,18 @@
         @Deprecated
         public static final int FLAG_GET_MANIFEST = FLAG_MATCH_MANIFEST;
 
-        /** @hide */
+        /**
+         * Include chooser shortcuts in the result.
+         * STOPSHIP TODO: Unless explicitly requesting chooser fields, we should strip out chooser
+         *           relevant fields from the Shortcut. This should also be adequately documented.
+         */
+        public static final int FLAG_MATCH_CHOOSER = 1 << 4;
+
+        /**
+         * Does not retrieve CHOOSER only shortcuts.
+         * TODO: Add another flag for MATCH_ALL_PINNED
+         * @hide
+         */
         public static final int FLAG_MATCH_ALL_KINDS =
                 FLAG_GET_DYNAMIC | FLAG_GET_PINNED | FLAG_GET_MANIFEST;
 
@@ -308,6 +319,7 @@
                         FLAG_MATCH_DYNAMIC,
                         FLAG_MATCH_PINNED,
                         FLAG_MATCH_MANIFEST,
+                        FLAG_MATCH_CHOOSER,
                         FLAG_GET_KEY_FIELDS_ONLY,
                 })
         @Retention(RetentionPolicy.SOURCE)
@@ -324,6 +336,9 @@
         @Nullable
         ComponentName mActivity;
 
+        @Nullable
+        Intent mIntent;
+
         @QueryFlags
         int mQueryFlags;
 
@@ -368,6 +383,14 @@
         }
 
         /**
+         * If non-null, returns only shortcuts with intent filters that match this intent.
+         */
+        public ShortcutQuery setIntent(@Nullable Intent intent) {
+            mIntent = intent;
+            return this;
+        }
+
+        /**
          * Set query options.  At least one of the {@code MATCH} flags should be set.  Otherwise,
          * no shortcuts will be returned.
          *
@@ -681,7 +704,7 @@
         try {
             return mService.getShortcuts(mContext.getPackageName(),
                     query.mChangedSince, query.mPackage, query.mShortcutIds, query.mActivity,
-                    query.mQueryFlags, user)
+                    query.mIntent, query.mQueryFlags, user)
                     .getList();
         } catch (RemoteException e) {
             throw e.rethrowFromSystemServer();
@@ -1291,28 +1314,14 @@
         public @interface RequestType {}
 
         private final int mRequestType;
-        private final ShortcutInfo mShortcutInfo;
-        private final AppWidgetProviderInfo mAppWidgetInfo;
         private final IPinItemRequest mInner;
 
         /**
          * @hide
          */
-        public PinItemRequest(ShortcutInfo shortcutInfo, IPinItemRequest inner) {
-            mRequestType = REQUEST_TYPE_SHORTCUT;
-            mShortcutInfo = shortcutInfo;
-            mAppWidgetInfo = null;
+        public PinItemRequest(IPinItemRequest inner, int type) {
             mInner = inner;
-        }
-
-        /**
-         * @hide
-         */
-        public PinItemRequest(AppWidgetProviderInfo appWidgetInfo, IPinItemRequest inner) {
-            mRequestType = REQUEST_TYPE_APPWIDGET;
-            mShortcutInfo = null;
-            mAppWidgetInfo = appWidgetInfo;
-            mInner = inner;
+            mRequestType = type;
         }
 
         /**
@@ -1330,7 +1339,11 @@
          */
         @Nullable
         public ShortcutInfo getShortcutInfo() {
-            return mShortcutInfo;
+            try {
+                return mInner.getShortcutInfo();
+            } catch (RemoteException e) {
+                throw e.rethrowAsRuntimeException();
+            }
         }
 
         /**
@@ -1339,12 +1352,16 @@
          */
         @Nullable
         public AppWidgetProviderInfo getAppWidgetProviderInfo(Context context) {
-            if (mAppWidgetInfo != null) {
-                AppWidgetProviderInfo info = mAppWidgetInfo.clone();
+            try {
+                final AppWidgetProviderInfo info = mInner.getAppWidgetProviderInfo();
+                if (info == null) {
+                    return null;
+                }
                 info.updateDimensions(context.getResources().getDisplayMetrics());
                 return info;
+            } catch (RemoteException e) {
+                throw e.rethrowAsRuntimeException();
             }
-            return null;
         }
 
         /**
@@ -1381,22 +1398,12 @@
             final ClassLoader cl = getClass().getClassLoader();
 
             mRequestType = source.readInt();
-            mShortcutInfo = mRequestType == REQUEST_TYPE_SHORTCUT ?
-                (ShortcutInfo) source.readParcelable(cl) : null;
-            mAppWidgetInfo = mRequestType == REQUEST_TYPE_APPWIDGET ?
-                (AppWidgetProviderInfo) source.readParcelable(cl) : null;
             mInner = IPinItemRequest.Stub.asInterface(source.readStrongBinder());
         }
 
         @Override
         public void writeToParcel(Parcel dest, int flags) {
             dest.writeInt(mRequestType);
-            if (mRequestType == REQUEST_TYPE_SHORTCUT) {
-                dest.writeParcelable(mShortcutInfo, flags);
-            }
-            if (mRequestType == REQUEST_TYPE_APPWIDGET) {
-                dest.writeParcelable(mAppWidgetInfo, flags);
-            }
             dest.writeStrongBinder(mInner.asBinder());
         }
 
diff --git a/core/java/android/content/pm/PackageManager.java b/core/java/android/content/pm/PackageManager.java
index 6646402..0482f51 100644
--- a/core/java/android/content/pm/PackageManager.java
+++ b/core/java/android/content/pm/PackageManager.java
@@ -411,17 +411,6 @@
      */
     public static final int MATCH_DIRECT_BOOT_AWARE = 0x00080000;
 
-    /** @removed */
-    @Deprecated
-    public static final int MATCH_ENCRYPTION_UNAWARE = 0x00040000;
-    /** @removed */
-    @Deprecated
-    public static final int MATCH_ENCRYPTION_AWARE = 0x00080000;
-    /** @removed */
-    @Deprecated
-    public static final int MATCH_ENCRYPTION_AWARE_AND_UNAWARE = MATCH_ENCRYPTION_AWARE
-            | MATCH_ENCRYPTION_UNAWARE;
-
     /**
      * Querying flag: include only components from applications that are marked
      * with {@link ApplicationInfo#FLAG_SYSTEM}.
@@ -4473,6 +4462,27 @@
             String processName, int uid, @ComponentInfoFlags int flags);
 
     /**
+     * Same as {@link #queryContentProviders}, except when {@code metaDataKey} is not null,
+     * it only returns providers which have metadata with the {@code metaDataKey} key.
+     *
+     * <p>DO NOT USE the {@code metaDataKey} parameter, unless you're the contacts provider.
+     * You really shouldn't need it.  Other apps should use {@link #queryIntentContentProviders}
+     * instead.
+     *
+     * <p>The {@code metaDataKey} parameter was added to allow the contacts provider to quickly
+     * scan the GAL providers on the device.  Unfortunately the discovery protocol used metadata
+     * to mark GAL providers, rather than intent filters, so we can't use
+     * {@link #queryIntentContentProviders} for that.
+     *
+     * @hide
+     */
+    public List<ProviderInfo> queryContentProviders(
+            String processName, int uid, @ComponentInfoFlags int flags, String metaDataKey) {
+        // Provide the default implementation for mocks.
+        return queryContentProviders(processName, uid, flags);
+    }
+
+    /**
      * Retrieve all of the information we know about a particular
      * instrumentation class.
      *
diff --git a/core/java/android/content/pm/ShortcutInfo.java b/core/java/android/content/pm/ShortcutInfo.java
index f1f2683..d3d3c66 100644
--- a/core/java/android/content/pm/ShortcutInfo.java
+++ b/core/java/android/content/pm/ShortcutInfo.java
@@ -21,8 +21,10 @@
 import android.annotation.UserIdInt;
 import android.app.TaskStackBuilder;
 import android.content.ComponentName;
+import android.content.ContentResolver;
 import android.content.Context;
 import android.content.Intent;
+import android.content.IntentFilter;
 import android.content.pm.LauncherApps.ShortcutQuery;
 import android.content.res.Resources;
 import android.content.res.Resources.NotFoundException;
@@ -38,10 +40,12 @@
 import android.util.Log;
 
 import com.android.internal.annotations.VisibleForTesting;
+import com.android.internal.util.MemInfoReader;
 import com.android.internal.util.Preconditions;
 
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.util.ArrayList;
 import java.util.List;
 import java.util.Set;
 
@@ -95,6 +99,14 @@
     public static final int FLAG_MASKABLE_BITMAP = 1 << 9;
 
     /** @hide */
+    public static final int FLAG_CHOOSER = 1 << 10;
+
+    /**
+     * TODO: Add FLAG_CHOOSER_INFO_OMITTED to reflect that chooser info was omitted in the Shortcut
+     *       due to the context in which it was retrieved.
+     * TODO: Add a FLAG_LAUNCHABLE to reflect whether or not the Shortcut has a launchable intent
+     * @hide
+     */
     @IntDef(flag = true,
             value = {
             FLAG_DYNAMIC,
@@ -107,6 +119,7 @@
             FLAG_STRINGS_RESOLVED,
             FLAG_IMMUTABLE,
             FLAG_MASKABLE_BITMAP,
+            FLAG_CHOOSER,
     })
     @Retention(RetentionPolicy.SOURCE)
     public @interface ShortcutFlags {}
@@ -201,6 +214,24 @@
     @Nullable
     private PersistableBundle[] mIntentPersistableExtrases;
 
+    /**
+     * If used in a chooser, extras that should be added into the intent passed through.
+     */
+    @Nullable
+    private PersistableBundle mChooserExtras;
+
+    /**
+     * Intent filters to be used if the shortcut is to be used in a chooser context.
+     */
+    @Nullable
+    private IntentFilter[] mChooserIntentFilters;
+
+    /**
+     * Component names corresponding to the above intent filters.
+     */
+    @Nullable
+    private ComponentName[] mChooserComponentNames;
+
     private int mRank;
 
     /**
@@ -250,6 +281,13 @@
         mDisabledMessageResId = b.mDisabledMessageResId;
         mCategories = cloneCategories(b.mCategories);
         mIntents = cloneIntents(b.mIntents);
+        if (b.mChooserIntentFilters != null) {
+            mChooserIntentFilters = b.mChooserIntentFilters.toArray(new IntentFilter[0]);
+        }
+        if (b.mChooserComponentNames != null) {
+            mChooserComponentNames = b.mChooserComponentNames.toArray(new ComponentName[0]);
+        }
+        mChooserExtras = b.mChooserExtras;
         fixUpIntentExtras();
         mRank = b.mRank;
         mExtras = b.mExtras;
@@ -330,8 +368,28 @@
         if (mTitle == null && mTitleResId == 0) {
             throw new IllegalArgumentException("Short label must be provided");
         }
-        Preconditions.checkNotNull(mIntents, "Shortcut Intent must be provided");
-        Preconditions.checkArgument(mIntents.length > 0, "Shortcut Intent must be provided");
+
+        // For a shortcut to be valid, there should either be an Intent, or a non-empty set of
+        // intent filters.
+        if (mIntents == null || mIntents.length == 0) {
+            Preconditions.checkNotNull(mChooserIntentFilters,
+                    "Intent must be provided if not a chooser target");
+            Preconditions.checkNotNull(mChooserComponentNames,
+                    "Intent must be provided if not a chooser target");
+        }
+
+        // If ChooserIntentFilter are provided, they should match the length of the provided
+        // component names.
+        if (mChooserIntentFilters != null) {
+            if (mChooserComponentNames == null
+                    || mChooserIntentFilters.length != mChooserComponentNames.length) {
+                throw new IllegalArgumentException("Inconsistent intent filters and "
+                        + "component names given");
+            }
+            if (mChooserIntentFilters.length == 0 || mChooserComponentNames.length == 0) {
+                throw new IllegalArgumentException("Empty intent filter and component names given");
+            }
+        }
     }
 
     /**
@@ -376,6 +434,10 @@
                 mDisabledMessageResName = source.mDisabledMessageResName;
                 mIconResName = source.mIconResName;
             }
+            // TODO: Omit these by default and add a new clone flag.
+            mChooserIntentFilters = source.mChooserIntentFilters;
+            mChooserComponentNames = source.mChooserComponentNames;
+            mChooserExtras = source.mChooserExtras;
         } else {
             // Set this bit.
             mFlags |= FLAG_KEY_FIELDS_ONLY;
@@ -503,6 +565,25 @@
     }
 
     /**
+     * Whether the shortcut has any intentFilter matching the passed in one.
+     * @hide
+     */
+    @VisibleForTesting
+    public boolean hasMatchingFilter(ContentResolver resolver, Intent intent) {
+        if (mChooserIntentFilters == null) {
+            return false;
+        }
+        for (IntentFilter filter : mChooserIntentFilters) {
+            int match = filter.match(resolver, intent, false, TAG);
+            if (match > 0) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+
+    /**
      * Extract the entry name from a fully-donated resource name.
      * e.g. "com.android.app1:drawable/icon1" -> "icon1"
      * @hide
@@ -685,6 +766,15 @@
         if (source.mExtras != null) {
             mExtras = source.mExtras;
         }
+        if (source.mChooserExtras != null) {
+            mChooserExtras = source.mChooserExtras;
+        }
+        if (source.mChooserIntentFilters != null) {
+            mChooserIntentFilters = source.mChooserIntentFilters;
+        }
+        if (source.mChooserComponentNames != null) {
+            mChooserComponentNames = source.mChooserComponentNames;
+        }
     }
 
     /**
@@ -746,6 +836,12 @@
 
         private PersistableBundle mExtras;
 
+        private PersistableBundle mChooserExtras;
+
+        private List<IntentFilter> mChooserIntentFilters;
+
+        private List<ComponentName> mChooserComponentNames;
+
         /**
          * Old style constructor.
          * @hide
@@ -1032,6 +1128,40 @@
         }
 
         /**
+         * Extras that can be added which will be added to the Intent used to launch the app if
+         * launched from a chooser context.
+         */
+        @NonNull
+        public Builder setChooserExtras(@NonNull PersistableBundle extras) {
+            mChooserExtras = extras;
+            return this;
+        }
+
+        /**
+         * IntentFilters and the components that should resolve a match for a given chooser target.
+         * If multiple matches are found, the component corresponding to the closest match will be
+         * used.
+         *
+         * @param filter IntendFilter that if matched will have the intent forwarded to the given
+         *               component
+         * @param name The component that an intent that passes this filter will resolve to.
+         */
+        public Builder addChooserIntentFilter(@NonNull IntentFilter filter,
+                @NonNull ComponentName name) {
+            Preconditions.checkNotNull(filter, "intent filter cannot be null");
+            Preconditions.checkNotNull(name, "component name cannot be null");
+
+            if (mChooserIntentFilters == null || mChooserComponentNames == null) {
+                mChooserIntentFilters = new ArrayList<>();
+                mChooserComponentNames = new ArrayList<>();
+            }
+
+            mChooserIntentFilters.add(filter);
+            mChooserComponentNames.add(name);
+            return this;
+        }
+
+        /**
          * Creates a {@link ShortcutInfo} instance.
          */
         @NonNull
@@ -1232,6 +1362,30 @@
     }
 
     /**
+     * Retrieve the extras that will be added in to any intent launched through the chooser.
+     */
+    @NonNull
+    public PersistableBundle getChooserExtras() {
+        return mChooserExtras;
+    }
+
+    /**
+     * Retrieve the list of intent filters for chooser targets.
+     */
+    @NonNull
+    public IntentFilter[] getChooserIntentFilters() {
+        return mChooserIntentFilters;
+    }
+
+    /**
+     * Retrieve the list of component names corresponding to the above intent filters.
+     */
+    @NonNull
+    public ComponentName[] getChooserComponentNames() {
+        return mChooserComponentNames;
+    }
+
+    /**
      * "Rank" of a shortcut, which is a non-negative, sequential value that's unique for each
      * {@link #getActivity} for each of the two types of shortcuts (static and dynamic).
      *
@@ -1352,6 +1506,11 @@
         return hasFlags(FLAG_PINNED);
     }
 
+    /** Return whether a shortcut can be shown in the chooser. */
+    public boolean isChooser() {
+        return hasFlags(FLAG_CHOOSER);
+    }
+
     /**
      * Return whether a shortcut is static; that is, whether a shortcut is
      * published from AndroidManifest.xml.  If {@code true}, the shortcut is
@@ -1380,6 +1539,14 @@
         return isPinned() && !(isDynamic() || isManifestShortcut());
     }
 
+    /**
+     * @return true if pinned but neither static nor dynamic.
+     * @hide
+     */
+    public boolean isDynamicOrChooser() {
+        return hasFlags(FLAG_DYNAMIC) || hasFlags(FLAG_CHOOSER);
+    }
+
     /** @hide */
     public boolean isOriginallyFromManifest() {
         return hasFlags(FLAG_IMMUTABLE);
@@ -1661,6 +1828,19 @@
                 mCategories.add(source.readString().intern());
             }
         }
+
+        // We put a placeholder empty array in to keep the parcelable order, but can do away with
+        // them at this point if they're empty.
+        mChooserComponentNames = source.readParcelableArray(cl, ComponentName.class);
+        if (mChooserComponentNames.length == 0) {
+            mChooserComponentNames = null;
+        }
+
+        mChooserIntentFilters = source.readParcelableArray(cl, IntentFilter.class);
+        if (mChooserIntentFilters.length == 0) {
+            mChooserIntentFilters = null;
+        }
+        mChooserExtras = source.readPersistableBundle(cl);
     }
 
     @Override
@@ -1707,6 +1887,17 @@
         } else {
             dest.writeInt(0);
         }
+        if (mChooserComponentNames != null) {
+            dest.writeParcelableArray(mChooserComponentNames, flags);
+        } else {
+            dest.writeParcelableArray(new ComponentName[0], flags);
+        }
+        if (mChooserIntentFilters != null) {
+            dest.writeParcelableArray(mChooserIntentFilters, flags);
+        } else {
+            dest.writeParcelableArray(new IntentFilter[0], flags);
+        }
+        dest.writePersistableBundle(mChooserExtras);
     }
 
     public static final Creator<ShortcutInfo> CREATOR =
diff --git a/core/java/android/content/pm/ShortcutServiceInternal.java b/core/java/android/content/pm/ShortcutServiceInternal.java
index 87a6d4a..696fe81 100644
--- a/core/java/android/content/pm/ShortcutServiceInternal.java
+++ b/core/java/android/content/pm/ShortcutServiceInternal.java
@@ -44,8 +44,8 @@
             getShortcuts(int launcherUserId,
             @NonNull String callingPackage, long changedSince,
             @Nullable String packageName, @Nullable List<String> shortcutIds,
-            @Nullable ComponentName componentName, @ShortcutQuery.QueryFlags int flags,
-            int userId);
+            @Nullable ComponentName componentName, @Nullable Intent intent,
+            @ShortcutQuery.QueryFlags int flags, int userId);
 
     public abstract boolean
             isPinnedByCaller(int launcherUserId, @NonNull String callingPackage,
diff --git a/core/java/android/content/res/CompatResources.java b/core/java/android/content/res/CompatResources.java
new file mode 100644
index 0000000..15575fd
--- /dev/null
+++ b/core/java/android/content/res/CompatResources.java
@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) 2017 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.content.res;
+
+import android.annotation.ColorRes;
+import android.annotation.DrawableRes;
+import android.content.Context;
+import android.graphics.drawable.Drawable;
+
+import java.lang.ref.WeakReference;
+
+/**
+ * Version of resources generated for apps targeting <26.
+ * @hide
+ */
+public class CompatResources extends Resources {
+
+    private final WeakReference<Context> mContext;
+
+    public CompatResources(Resources base, Context context) {
+        super(base.getClassLoader());
+        setImpl(base.getImpl());
+        mContext = new WeakReference<>(context);
+    }
+
+    @Override
+    public Drawable getDrawable(@DrawableRes int id) throws NotFoundException {
+        return getDrawable(id, getTheme());
+    }
+
+    @Override
+    public Drawable getDrawableForDensity(@DrawableRes int id, int density)
+            throws NotFoundException {
+        return getDrawableForDensity(id, density, getTheme());
+    }
+
+    @Override
+    public int getColor(@ColorRes int id) throws NotFoundException {
+        return getColor(id, getTheme());
+    }
+
+    @Override
+    public ColorStateList getColorStateList(@ColorRes int id) throws NotFoundException {
+        return getColorStateList(id, getTheme());
+    }
+
+    private Theme getTheme() {
+        Context c = mContext.get();
+        return c != null ? c.getTheme() : null;
+    }
+}
diff --git a/core/java/android/net/INetworkScoreService.aidl b/core/java/android/net/INetworkScoreService.aidl
index f249daf..362ea9d 100644
--- a/core/java/android/net/INetworkScoreService.aidl
+++ b/core/java/android/net/INetworkScoreService.aidl
@@ -18,7 +18,7 @@
 
 import android.net.INetworkScoreCache;
 import android.net.NetworkKey;
-import android.net.NetworkScorerAppManager;
+import android.net.NetworkScorerAppData;
 import android.net.RecommendationRequest;
 import android.net.RecommendationResult;
 import android.net.ScoredNetwork;
@@ -135,11 +135,11 @@
     /**
      * Returns metadata about the active scorer or <code>null</code> if there is no active scorer.
      */
-    NetworkScorerAppManager.NetworkScorerAppData getActiveScorer();
+    NetworkScorerAppData getActiveScorer();
 
     /**
      * Returns the list of available scorer apps. The list will be empty if there are
      * no valid scorers.
      */
-    List<NetworkScorerAppManager.NetworkScorerAppData> getAllValidScorers();
+    List<NetworkScorerAppData> getAllValidScorers();
 }
diff --git a/core/java/android/net/NetworkScoreManager.java b/core/java/android/net/NetworkScoreManager.java
index edfaee4..815d480 100644
--- a/core/java/android/net/NetworkScoreManager.java
+++ b/core/java/android/net/NetworkScoreManager.java
@@ -18,7 +18,6 @@
 
 import static android.net.NetworkRecommendationProvider.EXTRA_RECOMMENDATION_RESULT;
 
-import android.Manifest;
 import android.annotation.IntDef;
 import android.annotation.NonNull;
 import android.annotation.Nullable;
@@ -26,7 +25,6 @@
 import android.annotation.SdkConstant.SdkConstantType;
 import android.annotation.SystemApi;
 import android.content.Context;
-import android.net.NetworkScorerAppManager.NetworkScorerAppData;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.RemoteCallback;
diff --git a/core/java/android/net/NetworkScorerAppManager.aidl b/core/java/android/net/NetworkScorerAppData.aidl
similarity index 91%
rename from core/java/android/net/NetworkScorerAppManager.aidl
rename to core/java/android/net/NetworkScorerAppData.aidl
index d968343..ee7f1d1 100644
--- a/core/java/android/net/NetworkScorerAppManager.aidl
+++ b/core/java/android/net/NetworkScorerAppData.aidl
@@ -16,4 +16,4 @@
 
 package android.net;
 
-parcelable NetworkScorerAppManager.NetworkScorerAppData;
+parcelable NetworkScorerAppData;
diff --git a/core/java/android/net/NetworkScorerAppData.java b/core/java/android/net/NetworkScorerAppData.java
new file mode 100644
index 0000000..fca0a2e
--- /dev/null
+++ b/core/java/android/net/NetworkScorerAppData.java
@@ -0,0 +1,99 @@
+package android.net;
+
+import android.annotation.Nullable;
+import android.content.ComponentName;
+import android.os.Parcel;
+import android.os.Parcelable;
+
+import java.util.Objects;
+
+/**
+ * Holds metadata about a discovered network scorer/recommendation application.
+ *
+ * @hide
+ */
+public final class NetworkScorerAppData implements Parcelable {
+    /** UID of the scorer app. */
+    public final int packageUid;
+    private final ComponentName mRecommendationService;
+    /**
+     * The {@link ComponentName} of the Activity to start before enabling the "connect to open
+     * wifi networks automatically" feature.
+     */
+    private final ComponentName mEnableUseOpenWifiActivity;
+
+    public NetworkScorerAppData(int packageUid, ComponentName recommendationServiceComp,
+            ComponentName enableUseOpenWifiActivity) {
+        this.packageUid = packageUid;
+        this.mRecommendationService = recommendationServiceComp;
+        this.mEnableUseOpenWifiActivity = enableUseOpenWifiActivity;
+    }
+
+    protected NetworkScorerAppData(Parcel in) {
+        packageUid = in.readInt();
+        mRecommendationService = ComponentName.readFromParcel(in);
+        mEnableUseOpenWifiActivity = ComponentName.readFromParcel(in);
+    }
+
+    @Override
+    public void writeToParcel(Parcel dest, int flags) {
+        dest.writeInt(packageUid);
+        ComponentName.writeToParcel(mRecommendationService, dest);
+        ComponentName.writeToParcel(mEnableUseOpenWifiActivity, dest);
+    }
+
+    @Override
+    public int describeContents() {
+        return 0;
+    }
+
+    public static final Creator<NetworkScorerAppData> CREATOR =
+            new Creator<NetworkScorerAppData>() {
+                @Override
+                public NetworkScorerAppData createFromParcel(Parcel in) {
+                    return new NetworkScorerAppData(in);
+                }
+
+                @Override
+                public NetworkScorerAppData[] newArray(int size) {
+                    return new NetworkScorerAppData[size];
+                }
+            };
+
+    public String getRecommendationServicePackageName() {
+        return mRecommendationService.getPackageName();
+    }
+
+    public ComponentName getRecommendationServiceComponent() {
+        return mRecommendationService;
+    }
+
+    @Nullable
+    public ComponentName getEnableUseOpenWifiActivity() {
+        return mEnableUseOpenWifiActivity;
+    }
+
+    @Override
+    public String toString() {
+        return "NetworkScorerAppData{" +
+                "packageUid=" + packageUid +
+                ", mRecommendationService=" + mRecommendationService +
+                ", mEnableUseOpenWifiActivity=" + mEnableUseOpenWifiActivity +
+                '}';
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        NetworkScorerAppData that = (NetworkScorerAppData) o;
+        return packageUid == that.packageUid &&
+                Objects.equals(mRecommendationService, that.mRecommendationService) &&
+                Objects.equals(mEnableUseOpenWifiActivity, that.mEnableUseOpenWifiActivity);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(packageUid, mRecommendationService, mEnableUseOpenWifiActivity);
+    }
+}
diff --git a/core/java/android/net/NetworkScorerAppManager.java b/core/java/android/net/NetworkScorerAppManager.java
deleted file mode 100644
index bbc1c79..0000000
--- a/core/java/android/net/NetworkScorerAppManager.java
+++ /dev/null
@@ -1,332 +0,0 @@
-/*
- * 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.net;
-
-import android.Manifest.permission;
-import android.annotation.Nullable;
-import android.content.ComponentName;
-import android.content.ContentResolver;
-import android.content.Context;
-import android.content.Intent;
-import android.content.pm.PackageManager;
-import android.content.pm.ResolveInfo;
-import android.os.Parcel;
-import android.os.Parcelable;
-import android.content.pm.ServiceInfo;
-import android.os.UserHandle;
-import android.provider.Settings;
-import android.text.TextUtils;
-import android.util.Log;
-
-import com.android.internal.R;
-
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.List;
-import java.util.Objects;
-
-/**
- * Internal class for discovering and managing the network scorer/recommendation application.
- *
- * @hide
- */
-public class NetworkScorerAppManager {
-    private static final String TAG = "NetworkScorerAppManager";
-    private static final boolean DEBUG = Log.isLoggable(TAG, Log.DEBUG);
-    private static final boolean VERBOSE = Log.isLoggable(TAG, Log.VERBOSE);
-    private final Context mContext;
-
-    public NetworkScorerAppManager(Context context) {
-      mContext = context;
-    }
-
-    /**
-     * Holds metadata about a discovered network scorer/recommendation application.
-     */
-    public static final class NetworkScorerAppData implements Parcelable {
-        /** UID of the scorer app. */
-        public final int packageUid;
-        private final ComponentName mRecommendationService;
-        /**
-         * The {@link ComponentName} of the Activity to start before enabling the "connect to open
-         * wifi networks automatically" feature.
-         */
-        private final ComponentName mEnableUseOpenWifiActivity;
-
-        public NetworkScorerAppData(int packageUid, ComponentName recommendationServiceComp,
-                ComponentName enableUseOpenWifiActivity) {
-            this.packageUid = packageUid;
-            this.mRecommendationService = recommendationServiceComp;
-            this.mEnableUseOpenWifiActivity = enableUseOpenWifiActivity;
-        }
-
-        protected NetworkScorerAppData(Parcel in) {
-            packageUid = in.readInt();
-            mRecommendationService = ComponentName.readFromParcel(in);
-            mEnableUseOpenWifiActivity = ComponentName.readFromParcel(in);
-        }
-
-        @Override
-        public void writeToParcel(Parcel dest, int flags) {
-            dest.writeInt(packageUid);
-            ComponentName.writeToParcel(mRecommendationService, dest);
-            ComponentName.writeToParcel(mEnableUseOpenWifiActivity, dest);
-        }
-
-        @Override
-        public int describeContents() {
-            return 0;
-        }
-
-        public static final Creator<NetworkScorerAppData> CREATOR =
-                new Creator<NetworkScorerAppData>() {
-                    @Override
-                    public NetworkScorerAppData createFromParcel(Parcel in) {
-                        return new NetworkScorerAppData(in);
-                    }
-
-                    @Override
-                    public NetworkScorerAppData[] newArray(int size) {
-                        return new NetworkScorerAppData[size];
-                    }
-                };
-
-        public String getRecommendationServicePackageName() {
-            return mRecommendationService.getPackageName();
-        }
-
-        public ComponentName getRecommendationServiceComponent() {
-            return mRecommendationService;
-        }
-
-        @Nullable public ComponentName getEnableUseOpenWifiActivity() {
-            return mEnableUseOpenWifiActivity;
-        }
-
-        @Override
-        public String toString() {
-            return "NetworkScorerAppData{" +
-                    "packageUid=" + packageUid +
-                    ", mRecommendationService=" + mRecommendationService +
-                    ", mEnableUseOpenWifiActivity=" + mEnableUseOpenWifiActivity +
-                    '}';
-        }
-
-        @Override
-        public boolean equals(Object o) {
-            if (this == o) return true;
-            if (o == null || getClass() != o.getClass()) return false;
-            NetworkScorerAppData that = (NetworkScorerAppData) o;
-            return packageUid == that.packageUid &&
-                    Objects.equals(mRecommendationService, that.mRecommendationService) &&
-                    Objects.equals(mEnableUseOpenWifiActivity, that.mEnableUseOpenWifiActivity);
-        }
-
-        @Override
-        public int hashCode() {
-            return Objects.hash(packageUid, mRecommendationService, mEnableUseOpenWifiActivity);
-        }
-    }
-
-    /**
-     * Returns the list of available scorer apps. The list will be empty if there are
-     * no valid scorers.
-     */
-    public List<NetworkScorerAppData> getAllValidScorers() {
-        return Collections.emptyList();
-    }
-
-    /**
-     * @return A {@link NetworkScorerAppData} instance containing information about the
-     *         best configured network recommendation provider installed or {@code null}
-     *         if none of the configured packages can recommend networks.
-     *
-     * <p>A network recommendation provider is any application which:
-     * <ul>
-     * <li>Is listed in the <code>config_networkRecommendationPackageNames</code> config.
-     * <li>Declares the {@link android.Manifest.permission#SCORE_NETWORKS} permission.
-     * <li>Includes a Service for {@link NetworkScoreManager#ACTION_RECOMMEND_NETWORKS}.
-     * </ul>
-     */
-    public NetworkScorerAppData getNetworkRecommendationProviderData() {
-        // Network recommendation apps can only run as the primary user right now.
-        // http://b/23422763
-        if (UserHandle.getCallingUserId() != UserHandle.USER_SYSTEM) {
-            return null;
-        }
-
-        final List<String> potentialPkgs = getPotentialRecommendationProviderPackages();
-        if (potentialPkgs.isEmpty()) {
-            if (DEBUG) {
-                Log.d(TAG, "No Network Recommendation Providers specified.");
-            }
-            return null;
-        }
-
-        for (int i = 0; i < potentialPkgs.size(); i++) {
-            final String potentialPkg = potentialPkgs.get(i);
-
-            // Look for the recommendation service class and required receiver.
-            final ServiceInfo serviceInfo = findRecommendationService(potentialPkg);
-            if (serviceInfo != null) {
-                final ComponentName serviceComponentName =
-                    new ComponentName(potentialPkg, serviceInfo.name);
-                final ComponentName useOpenWifiNetworksActivity =
-                        findUseOpenWifiNetworksActivity(serviceInfo);
-                return new NetworkScorerAppData(serviceInfo.applicationInfo.uid,
-                    serviceComponentName, useOpenWifiNetworksActivity);
-            } else {
-                if (DEBUG) {
-                    Log.d(TAG, potentialPkg + " does not have the required components, skipping.");
-                }
-            }
-        }
-
-        // None of the configured packages are valid.
-        return null;
-    }
-
-    @Nullable private ComponentName findUseOpenWifiNetworksActivity(ServiceInfo serviceInfo) {
-        if (serviceInfo.metaData == null) {
-            if (DEBUG) {
-                Log.d(TAG, "No metadata found on recommendation service.");
-            }
-            return null;
-        }
-        final String useOpenWifiPackage = serviceInfo.metaData
-                .getString(NetworkScoreManager.USE_OPEN_WIFI_PACKAGE_META_DATA);
-        if (TextUtils.isEmpty(useOpenWifiPackage)) {
-            if (DEBUG) {
-                Log.d(TAG, "No use_open_wifi_package metadata found.");
-            }
-            return null;
-        }
-        final Intent enableUseOpenWifiIntent = new Intent(NetworkScoreManager.ACTION_CUSTOM_ENABLE)
-                .setPackage(useOpenWifiPackage);
-        final ResolveInfo resolveActivityInfo = mContext.getPackageManager()
-                .resolveActivity(enableUseOpenWifiIntent, 0 /* flags */);
-        if (VERBOSE) {
-            Log.d(TAG, "Resolved " + enableUseOpenWifiIntent + " to " + serviceInfo);
-        }
-
-        if (resolveActivityInfo != null && resolveActivityInfo.activityInfo != null) {
-            return resolveActivityInfo.activityInfo.getComponentName();
-        }
-
-        return null;
-    }
-
-    /**
-     * @return A priority order list of package names that have been granted the
-     *         permission needed for them to act as a network recommendation provider.
-     *         The packages in the returned list may not contain the other required
-     *         network recommendation provider components so additional checks are required
-     *         before making a package the network recommendation provider.
-     */
-    public List<String> getPotentialRecommendationProviderPackages() {
-        final String[] packageArray = mContext.getResources().getStringArray(
-                R.array.config_networkRecommendationPackageNames);
-        if (packageArray == null || packageArray.length == 0) {
-            if (DEBUG) {
-                Log.d(TAG, "No Network Recommendation Providers specified.");
-            }
-            return Collections.emptyList();
-        }
-
-        if (VERBOSE) {
-            Log.d(TAG, "Configured packages: " + TextUtils.join(", ", packageArray));
-        }
-
-        List<String> packages = new ArrayList<>();
-        final PackageManager pm = mContext.getPackageManager();
-        for (String potentialPkg : packageArray) {
-            if (pm.checkPermission(permission.SCORE_NETWORKS, potentialPkg)
-                    == PackageManager.PERMISSION_GRANTED) {
-                packages.add(potentialPkg);
-            } else {
-                if (DEBUG) {
-                    Log.d(TAG, potentialPkg + " has not been granted " + permission.SCORE_NETWORKS
-                            + ", skipping.");
-                }
-            }
-        }
-
-        return packages;
-    }
-
-    @Nullable private ServiceInfo findRecommendationService(String packageName) {
-        final PackageManager pm = mContext.getPackageManager();
-        final int resolveFlags = PackageManager.GET_META_DATA;
-        final Intent serviceIntent = new Intent(NetworkScoreManager.ACTION_RECOMMEND_NETWORKS);
-        serviceIntent.setPackage(packageName);
-        final ResolveInfo resolveServiceInfo =
-                pm.resolveService(serviceIntent, resolveFlags);
-
-        if (VERBOSE) {
-            Log.d(TAG, "Resolved " + serviceIntent + " to " + resolveServiceInfo);
-        }
-
-        if (resolveServiceInfo != null && resolveServiceInfo.serviceInfo != null) {
-            return resolveServiceInfo.serviceInfo;
-        }
-
-        if (VERBOSE) {
-            Log.v(TAG, packageName + " does not have a service for " + serviceIntent);
-        }
-        return null;
-    }
-
-    /**
-     * Get the application to use for scoring networks.
-     *
-     * @return the scorer app info or null if scoring is disabled (including if no scorer was ever
-     *     selected) or if the previously-set scorer is no longer a valid scorer app (e.g. because
-     *     it was disabled or uninstalled).
-     */
-    @Nullable
-    public NetworkScorerAppData getActiveScorer() {
-        if (isNetworkRecommendationsDisabled()) {
-            // If recommendations are disabled then there can't be an active scorer.
-            return null;
-        }
-
-        // Otherwise return the recommendation provider (which may be null).
-        return getNetworkRecommendationProviderData();
-    }
-
-    /**
-     * Set the specified package as the default scorer application.
-     *
-     * <p>The caller must have permission to write to {@link android.provider.Settings.Global}.
-     *
-     * @param packageName the packageName of the new scorer to use. If null, scoring will be
-     *     disabled. Otherwise, the scorer will only be set if it is a valid scorer application.
-     * @return true if the scorer was changed, or false if the package is not a valid scorer or
-     *         a valid network recommendation provider exists.
-     * @deprecated Scorers are now selected from a configured list.
-     */
-    @Deprecated
-    public boolean setActiveScorer(String packageName) {
-        return false;
-    }
-
-    private boolean isNetworkRecommendationsDisabled() {
-        final ContentResolver cr = mContext.getContentResolver();
-        // A value of 1 indicates enabled.
-        return Settings.Global.getInt(cr, Settings.Global.NETWORK_RECOMMENDATIONS_ENABLED, 0) != 1;
-    }
-}
diff --git a/core/java/android/os/BatteryManager.java b/core/java/android/os/BatteryManager.java
index 3a441c7..9ffe2fe 100644
--- a/core/java/android/os/BatteryManager.java
+++ b/core/java/android/os/BatteryManager.java
@@ -118,6 +118,13 @@
      */
      public static final String EXTRA_CHARGE_COUNTER = "charge_counter";
 
+    /**
+     * Extra for {@link android.content.Intent#ACTION_BATTERY_CHANGED}:
+     * Current int sequence number of the update.
+     * {@hide}
+     */
+    public static final String EXTRA_SEQUENCE = "seq";
+
     // values for "status" field in the ACTION_BATTERY_CHANGED Intent
     public static final int BATTERY_STATUS_UNKNOWN = Constants.BATTERY_STATUS_UNKNOWN;
     public static final int BATTERY_STATUS_CHARGING = Constants.BATTERY_STATUS_CHARGING;
diff --git a/core/java/android/preference/PreferenceManager.java b/core/java/android/preference/PreferenceManager.java
index a2f4db6..756c3f4 100644
--- a/core/java/android/preference/PreferenceManager.java
+++ b/core/java/android/preference/PreferenceManager.java
@@ -420,12 +420,6 @@
         mSharedPreferences = null;
     }
 
-    /** @removed */
-    @Deprecated
-    public void setStorageDeviceEncrypted() {
-        setStorageDeviceProtected();
-    }
-
     /**
      * Explicitly set the storage location used internally by this class to be
      * credential-protected storage. This is the default storage area for apps
@@ -445,12 +439,6 @@
         mSharedPreferences = null;
     }
 
-    /** @removed */
-    @Deprecated
-    public void setStorageCredentialEncrypted() {
-        setStorageCredentialProtected();
-    }
-
     /**
      * Indicates if the storage location used internally by this class is the
      * default provided by the hosting {@link Context}.
diff --git a/core/java/android/provider/Settings.java b/core/java/android/provider/Settings.java
index b55a349..ff86ff3 100755
--- a/core/java/android/provider/Settings.java
+++ b/core/java/android/provider/Settings.java
@@ -8282,6 +8282,16 @@
         public static final String NETWORK_RECOMMENDATION_REQUEST_TIMEOUT_MS =
                 "network_recommendation_request_timeout_ms";
 
+        /**
+         * The expiration time in milliseconds for the {@link android.net.WifiKey} request cache in
+         * {@link com.android.server.wifi.RecommendedNetworkEvaluator}.
+         *
+         * Type: long
+         * @hide
+         */
+        public static final String RECOMMENDED_NETWORK_EVALUATOR_CACHE_EXPIRY_MS =
+                "recommended_network_evaluator_cache_expiry_ms";
+
        /**
         * Settings to allow BLE scans to be enabled even when Bluetooth is turned off for
         * connectivity.
diff --git a/core/java/android/service/autofill/FillResponse.java b/core/java/android/service/autofill/FillResponse.java
index 91c668e..ba75c8b 100644
--- a/core/java/android/service/autofill/FillResponse.java
+++ b/core/java/android/service/autofill/FillResponse.java
@@ -23,7 +23,6 @@
 import android.os.Bundle;
 import android.os.Parcel;
 import android.os.Parcelable;
-import android.util.ArraySet;
 import android.view.autofill.AutoFillId;
 import android.view.autofill.AutoFillManager;
 import android.widget.RemoteViews;
@@ -69,18 +68,19 @@
  *
  * <p>If the user does not have any data associated with this {@link android.app.Activity} but
  * the service wants to offer the user the option to save the data that was entered, then the
- * service could populate the response with {@code savableIds} instead of {@link Dataset}s:
+ * service could populate the response with a {@link SaveInfo} instead of {@link Dataset}s:
  *
  * <pre class="prettyprint">
  *  new FillResponse.Builder()
- *      .addSavableFields(id1, id2)
+ *      .setSaveInfo(new SaveInfo.Builder(SaveInfo.SAVE_INFO_TYPE_CREDENTIALS)
+ *                   .addSavableFields(id1, id2))
  *      .build();
  * </pre>
  *
  * <p>Similarly, there might be cases where the user data on the service is enough to populate some
  * fields but not all, and the service would still be interested on saving the other fields. In this
- * scenario, the service could populate the response with both {@link Dataset}s and {@code
- * savableIds}:
+ * scenario, the service could populate the response with both {@link Dataset}s and
+ * {@link SaveInfo}:
  *
  * <pre class="prettyprint">
  *   new FillResponse.Builder()
@@ -90,7 +90,8 @@
  *          .setTextFieldValue(id3, "742 Evergreen Terrace")  // street
  *          .setTextFieldValue(id4, "Springfield")            // city
  *          .build())
- *       .addSavableFields(id5, id6) // state and zipcode
+ *       .setSaveInfo(new SaveInfo.Builder(SaveInfo.SAVE_INFO_TYPE_ADDRESS)
+ *                   .addSavableFields(id5, id6)) // state and zipcode
  *       .build();
  *
  * </pre>
@@ -140,9 +141,11 @@
  * </pre>
  *
  * <p>The service could require user authentication at the {@link FillResponse} or the
- * {@link Dataset} level, prior to auto-filling an activity - see {@link FillResponse.Builder
- * #setAuthentication(IntentSender)} and {@link Dataset.Builder#setAuthentication(IntentSender)}.
- * It is recommended that you encrypt only the sensitive data but leave the labels unencrypted
+ * {@link Dataset} level, prior to auto-filling an activity - see
+ * {@link FillResponse.Builder#setAuthentication(IntentSender, RemoteViews)} and
+ * {@link Dataset.Builder#setAuthentication(IntentSender)}.
+ *
+ * <p>It is recommended that you encrypt only the sensitive data but leave the labels unencrypted
  * which would allow you to provide a dataset presentation views with labels and if the user
  * chooses one of them challenge the user to authenticate. For example, if the user has a
  * home and a work address the Home and Work labels could be stored unencrypted as they don't
@@ -158,14 +161,45 @@
 public final class FillResponse implements Parcelable {
 
     private final ArrayList<Dataset> mDatasets;
-    private final ArraySet<AutoFillId> mSavableIds;
+    private final SaveInfo mSaveInfo;
     private final Bundle mExtras;
     private final RemoteViews mPresentation;
     private final IntentSender mAuthentication;
 
     private FillResponse(@NonNull Builder builder) {
         mDatasets = builder.mDatasets;
-        mSavableIds = builder.mSavableIds;
+
+        if (false) {
+            // TODO(b/33197203, 35727295): this is how mSaveInfo will be set once we don't support
+            // FillResponse.setSavableIds()
+            mSaveInfo = builder.mSaveInfo;
+            if (mSaveInfo != null) {
+                mSaveInfo.addSavableIds(mDatasets);
+                if (mSaveInfo.getSavableIds() == null) {
+                    throw new IllegalArgumentException(
+                            "need to provide at least one savable id on SaveInfo");
+                }
+            }
+        } else {
+            // Temporary workaround to support FillResponse.setSavableIds()
+            SaveInfo saveInfo = builder.mSaveInfoBuilder != null ? builder.mSaveInfoBuilder.build()
+                    : builder.mSaveInfo;
+
+            // Handle the the case where service didn't call setSavableIds() because it would
+            // contain just the ids from the datasets.
+            if (saveInfo == null && mDatasets != null) {
+                saveInfo = new SaveInfo.Builder(SaveInfo.SAVE_DATA_TYPE_GENERIC).build();
+            }
+            if (saveInfo != null) {
+                saveInfo.addSavableIds(mDatasets);
+                if (saveInfo.getSavableIds() == null) {
+                    throw new IllegalArgumentException(
+                            "need to provide at least one savable id on SaveInfo");
+                }
+            }
+            mSaveInfo = saveInfo;
+        }
+
         mExtras = builder.mExtras;
         mPresentation = builder.mPresentation;
         mAuthentication = builder.mAuthentication;
@@ -182,8 +216,8 @@
     }
 
     /** @hide */
-    public @Nullable ArraySet<AutoFillId> getSavableIds() {
-        return mSavableIds;
+    public @Nullable SaveInfo getSaveInfo() {
+        return mSaveInfo;
     }
 
     /** @hide */
@@ -202,7 +236,10 @@
      */
     public static final class Builder {
         private ArrayList<Dataset> mDatasets;
-        private ArraySet<AutoFillId> mSavableIds;
+        // TODO(b/33197203, 35727295): temporary builder use by deprecated addSavableIds() method,
+        // should be removed once that method is gone
+        private SaveInfo.Builder mSaveInfoBuilder;
+        private SaveInfo mSaveInfo;
         private Bundle mExtras;
         private RemoteViews mPresentation;
         private IntentSender mAuthentication;
@@ -276,41 +313,37 @@
             if (!mDatasets.add(dataset)) {
                 return this;
             }
-            if (dataset.getFieldIds() != null) {
-                final int fieldCount = dataset.getFieldIds().size();
-                for (int i = 0; i < fieldCount; i++) {
-                    final AutoFillId id = dataset.getFieldIds().get(i);
-                    if (mSavableIds == null) {
-                        mSavableIds = new ArraySet<>();
-                    }
-                    mSavableIds.add(id);
-                }
+            return this;
+        }
+
+        /** @hide */
+        // TODO(b/33197203, 35727295): remove when not used by clients
+        public @NonNull Builder addSavableFields(@Nullable AutoFillId... ids) {
+            throwIfDestroyed();
+            if (mSaveInfo != null) {
+                throw new IllegalStateException("setSaveInfo() already called");
             }
+            if (mSaveInfoBuilder == null) {
+                mSaveInfoBuilder = new SaveInfo.Builder(SaveInfo.SAVE_DATA_TYPE_GENERIC);
+            }
+            mSaveInfoBuilder.addSavableIds(ids);
+
             return this;
         }
 
         /**
-         * Adds ids of additional fields that the service would be interested to save (through
-         * {@link AutoFillService#onSaveRequest(
-         * android.app.assist.AssistStructure, Bundle, SaveCallback)})
-         * but were not indirectly set through {@link #addDataset(Dataset)}.
+         * Sets the {@link SaveInfo} associated with this response.
          *
-         * @param ids The savable ids.
+         * <p>See {@link FillResponse} for more info.
+         *
          * @return This builder.
-         *
-         * @see FillResponse
          */
-        public @NonNull Builder addSavableFields(@Nullable AutoFillId... ids) {
+        public @NonNull Builder setSaveInfo(@NonNull SaveInfo saveInfo) {
             throwIfDestroyed();
-            if (ids == null) {
-                return this;
+            if (mSaveInfoBuilder != null) {
+                throw new IllegalStateException("addSavableFields() already called");
             }
-            for (AutoFillId id : ids) {
-                if (mSavableIds == null) {
-                    mSavableIds = new ArraySet<>();
-                }
-                mSavableIds.add(id);
-            }
+            mSaveInfo = saveInfo;
             return this;
         }
 
@@ -340,9 +373,11 @@
          */
         public FillResponse build() {
             throwIfDestroyed();
-            if (mAuthentication == null && mDatasets == null && mSavableIds == null) {
-                throw new IllegalArgumentException("need to provide at least one"
-                        + " data set or savable ids or an authentication with a presentation");
+
+            if (mAuthentication == null && mDatasets == null && mSaveInfoBuilder == null
+                    && mSaveInfo == null) {
+                throw new IllegalArgumentException("need to provide at least one DataSet or a "
+                        + "SaveInfo or an authentication with a presentation");
             }
             mDestroyed = true;
             return new FillResponse(this);
@@ -361,9 +396,10 @@
     @Override
     public String toString() {
         if (!DEBUG) return super.toString();
+
         return new StringBuilder(
                 "FillResponse: [datasets=").append(mDatasets)
-                .append(", savableIds=").append(mSavableIds)
+                .append(", saveInfo=").append(mSaveInfo)
                 .append(", hasExtras=").append(mExtras != null)
                 .append(", hasPresentation=").append(mPresentation != null)
                 .append(", hasAuthentication=").append(mAuthentication != null)
@@ -382,7 +418,7 @@
     @Override
     public void writeToParcel(Parcel parcel, int flags) {
         parcel.writeTypedArrayList(mDatasets, flags);
-        parcel.writeTypedArraySet(mSavableIds, flags);
+        parcel.writeParcelable(mSaveInfo, flags);
         parcel.writeParcelable(mExtras, flags);
         parcel.writeParcelable(mAuthentication, flags);
         parcel.writeParcelable(mPresentation, flags);
@@ -401,11 +437,7 @@
             for (int i = 0; i < datasetCount; i++) {
                 builder.addDataset(datasets.get(i));
             }
-            final ArraySet<AutoFillId> fillIds = parcel.readTypedArraySet(null);
-            final int fillIdCount = (fillIds != null) ? fillIds.size() : 0;
-            for (int i = 0; i < fillIdCount; i++) {
-                builder.addSavableFields(fillIds.valueAt(i));
-            }
+            builder.setSaveInfo(parcel.readParcelable(null));
             builder.setExtras(parcel.readParcelable(null));
             builder.setAuthentication(parcel.readParcelable(null),
                     parcel.readParcelable(null));
diff --git a/core/java/android/net/NetworkScorerAppManager.aidl b/core/java/android/service/autofill/SaveInfo.aidl
similarity index 88%
copy from core/java/android/net/NetworkScorerAppManager.aidl
copy to core/java/android/service/autofill/SaveInfo.aidl
index d968343..8cda608 100644
--- a/core/java/android/net/NetworkScorerAppManager.aidl
+++ b/core/java/android/service/autofill/SaveInfo.aidl
@@ -14,6 +14,6 @@
  * limitations under the License.
  */
 
-package android.net;
+package android.service.autofill;
 
-parcelable NetworkScorerAppManager.NetworkScorerAppData;
+parcelable SaveInfo;
diff --git a/core/java/android/service/autofill/SaveInfo.java b/core/java/android/service/autofill/SaveInfo.java
new file mode 100644
index 0000000..096f28b
--- /dev/null
+++ b/core/java/android/service/autofill/SaveInfo.java
@@ -0,0 +1,263 @@
+/*
+ * Copyright (C) 2017 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.service.autofill;
+
+import static android.view.autofill.Helper.DEBUG;
+
+import android.annotation.IntDef;
+import android.annotation.NonNull;
+import android.annotation.Nullable;
+import android.os.Bundle;
+import android.os.Parcel;
+import android.os.Parcelable;
+import android.util.ArraySet;
+import android.view.autofill.AutoFillId;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.util.ArrayList;
+
+/**
+ * Information used to indicate that a service is interested on saving the user-inputed data for
+ * future use.
+ *
+ * <p>A {@link SaveInfo} is always associated with a {@link FillResponse}.
+ *
+ * <p>A {@link SaveInfo} must define the type it represents, and contain at least one
+ * {@code savableId}. A {@code savableId} is the {@link AutoFillId} of a view the service is
+ * interested to save in a {@code onSaveRequest()}; the ids of all {@link Dataset} present in the
+ * {@link FillResponse} associated with this {@link SaveInfo} are already marked as savable,
+ * but additional ids can be added through {@link Builder#addSavableIds(AutoFillId...)}.
+ *
+ * <p>See {@link AutoFillService#onSaveRequest(android.app.assist.AssistStructure, Bundle,
+ * SaveCallback)} and {@link FillResponse} for more info.
+ */
+public final class SaveInfo implements Parcelable {
+
+    /**
+     * Type used on when the service can save the contents of an activity, but cannot describe what
+     * the content is for.
+     */
+    public static final int SAVE_DATA_TYPE_GENERIC = 0;
+
+    /**
+     * Type used when the {@link FillResponse} represents user credentials that have a password.
+     */
+    public static final int SAVE_DATA_TYPE_PASSWORD = 1;
+
+
+    /**
+     * Type used on when the {@link FillResponse} represents a physical address (such as street,
+     * city, state, etc).
+     */
+    public static final int SAVE_DATA_TYPE_ADDRESS = 2;
+
+    /**
+     * Type used when the {@link FillResponse} represents a credit card.
+     */
+    public static final int SAVE_DATA_TYPE_CREDIT_CARD = 3;
+
+    private final @SaveDataType int mType;
+    private ArraySet<AutoFillId> mSavableIds;
+    private final CharSequence mDescription;
+
+    /** @hide */
+    @IntDef({
+        SAVE_DATA_TYPE_GENERIC,
+        SAVE_DATA_TYPE_PASSWORD,
+        SAVE_DATA_TYPE_ADDRESS,
+        SAVE_DATA_TYPE_CREDIT_CARD
+    })
+    @Retention(RetentionPolicy.SOURCE)
+    public @interface SaveDataType {
+    }
+
+    private SaveInfo(Builder builder) {
+        mType = builder.mType;
+        mSavableIds = builder.mSavableIds;
+        mDescription = builder.mDescription;
+    }
+
+    /** @hide */
+    public @Nullable ArraySet<AutoFillId> getSavableIds() {
+        return mSavableIds;
+    }
+
+    /** @hide */
+    public int getType() {
+        return mType;
+    }
+
+    /** @hide */
+    public CharSequence getDescription() {
+        return mDescription;
+    }
+
+    /** @hide */
+    public void addSavableIds(@Nullable ArrayList<Dataset> datasets) {
+        if (datasets != null) {
+            for (Dataset dataset : datasets) {
+                final ArrayList<AutoFillId> ids = dataset.getFieldIds();
+                if (ids != null) {
+                    final int fieldCount = ids.size();
+                    for (int i = 0; i < fieldCount; i++) {
+                        final AutoFillId id = ids.get(i);
+                        if (mSavableIds == null) {
+                            mSavableIds = new ArraySet<>();
+                        }
+                        mSavableIds.add(id);
+                    }
+                }
+            }
+        }
+    }
+
+    /**
+     * A builder for {@link SaveInfo} objects.
+     */
+    public static final class Builder {
+
+        private final @SaveDataType int mType;
+        private ArraySet<AutoFillId> mSavableIds;
+        private CharSequence mDescription;
+        private boolean mDestroyed;
+
+        /**
+         * Creates a new builder.
+         *
+         * @param type the type of information the associated {@link FillResponse} represents. Must
+         * be {@link SaveInfo#SAVE_DATA_TYPE_GENERIC}, {@link SaveInfo#SAVE_DATA_TYPE_PASSWORD},
+         * {@link SaveInfo#SAVE_DATA_TYPE_ADDRESS}, or {@link SaveInfo#SAVE_DATA_TYPE_CREDIT_CARD};
+         * otherwise it will assume {@link SaveInfo#SAVE_DATA_TYPE_GENERIC}.
+         */
+        public Builder(@SaveDataType int type) {
+            switch (type) {
+                case SAVE_DATA_TYPE_PASSWORD:
+                case SAVE_DATA_TYPE_ADDRESS:
+                case SAVE_DATA_TYPE_CREDIT_CARD:
+                    mType = type;
+                    break;
+                default:
+                    mType = SAVE_DATA_TYPE_GENERIC;
+            }
+        }
+
+        /**
+         * Adds ids of additional views the service would be interested to save, but were not
+         * indirectly set through {@link FillResponse.Builder#addDataset(Dataset)}.
+         *
+         * @param ids The savable ids.
+         * @return This builder.
+         *
+         * @see FillResponse
+         */
+        public @NonNull Builder addSavableIds(@Nullable AutoFillId... ids) {
+            throwIfDestroyed();
+
+            if (ids == null) {
+                return this;
+            }
+            for (AutoFillId id : ids) {
+                if (mSavableIds == null) {
+                    mSavableIds = new ArraySet<>();
+                }
+                mSavableIds.add(id);
+            }
+            return this;
+        }
+
+        /**
+         * Sets an optional description to be shown in the UI when the user is asked to save.
+         *
+         * <p>Typically, it describes how the data will be stored by the service, so it can help
+         * users to decide whether they can trust the service to save their data.
+         *
+         * @param description a succint description.
+         * @return This Builder.
+         */
+        public @NonNull Builder setDescription(@Nullable CharSequence description) {
+            mDescription = description;
+            return this;
+        }
+
+        /**
+         * Builds a new {@link SaveInfo} instance.
+         */
+        public SaveInfo build() {
+            throwIfDestroyed();
+            mDestroyed = true;
+            return new SaveInfo(this);
+        }
+
+        private void throwIfDestroyed() {
+            if (mDestroyed) {
+                throw new IllegalStateException("Already called #build()");
+            }
+        }
+
+    }
+
+    /////////////////////////////////////
+    // Object "contract" methods. //
+    /////////////////////////////////////
+    @Override
+    public String toString() {
+        if (!DEBUG) return super.toString();
+
+        return new StringBuilder("SaveInfo: [type=").append(mType)
+                .append(", savableIds=").append(mSavableIds)
+                .append("]").toString();
+    }
+
+    /////////////////////////////////////
+    // Parcelable "contract" methods. //
+    /////////////////////////////////////
+
+    @Override
+    public int describeContents() {
+        return 0;
+    }
+
+    @Override
+    public void writeToParcel(Parcel parcel, int flags) {
+        parcel.writeInt(mType);
+        parcel.writeTypedArraySet(mSavableIds, flags);
+        parcel.writeCharSequence(mDescription);
+    }
+
+    public static final Parcelable.Creator<SaveInfo> CREATOR = new Parcelable.Creator<SaveInfo>() {
+        @Override
+        public SaveInfo createFromParcel(Parcel parcel) {
+            // Always go through the builder to ensure the data ingested by
+            // the system obeys the contract of the builder to avoid attacks
+            // using specially crafted parcels.
+            final Builder builder = new Builder(parcel.readInt());
+            final ArraySet<AutoFillId> savableIds = parcel.readTypedArraySet(null);
+            final int savableIdsCount = (savableIds != null) ? savableIds.size() : 0;
+            for (int i = 0; i < savableIdsCount; i++) {
+                builder.addSavableIds(savableIds.valueAt(i));
+            }
+            builder.setDescription(parcel.readCharSequence());
+            return builder.build();
+        }
+
+        @Override
+        public SaveInfo[] newArray(int size) {
+            return new SaveInfo[size];
+        }
+    };
+}
diff --git a/core/java/android/transition/Fade.java b/core/java/android/transition/Fade.java
index b0de711..38b89dc 100644
--- a/core/java/android/transition/Fade.java
+++ b/core/java/android/transition/Fade.java
@@ -103,6 +103,7 @@
         TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.Fade);
         int fadingMode = a.getInt(R.styleable.Fade_fadingMode, getMode());
         setMode(fadingMode);
+        a.recycle();
     }
 
     @Override
diff --git a/core/java/android/transition/TransitionInflater.java b/core/java/android/transition/TransitionInflater.java
index 4c5a717..0cc981e 100644
--- a/core/java/android/transition/TransitionInflater.java
+++ b/core/java/android/transition/TransitionInflater.java
@@ -276,9 +276,11 @@
                             transition.addTarget(clazz);
                         }
                     } catch (ClassNotFoundException e) {
+                        a.recycle();
                         throw new RuntimeException("Could not create " + className, e);
                     }
                 }
+                a.recycle();
             } else {
                 throw new RuntimeException("Unknown scene name: " + parser.getName());
             }
diff --git a/core/java/android/util/Half.java b/core/java/android/util/Half.java
index e4f8dd1..84c2e83 100644
--- a/core/java/android/util/Half.java
+++ b/core/java/android/util/Half.java
@@ -17,9 +17,13 @@
 package android.util;
 
 import android.annotation.HalfFloat;
+import android.annotation.NonNull;
+import android.annotation.Nullable;
+
+import sun.misc.FloatingDecimal;
 
 /**
- * <p>Half is a utility class to manipulate half-precision 16-bit
+ * <p>The {@code Half} class is a wrapper and a utility class to manipulate half-precision 16-bit
  * <a href="https://en.wikipedia.org/wiki/Half-precision_floating-point_format">IEEE 754</a>
  * floating point data types (also called fp16 or binary16). A half-precision float can be
  * created from or converted to single-precision floats, and is stored in a short data type.
@@ -88,7 +92,7 @@
  * <p>This table shows that numbers higher than 1024 lose all fractional precision.</p>
  */
 @SuppressWarnings("SimplifiableIfStatement")
-public final class Half {
+public final class Half extends Number implements Comparable<Half> {
     /**
      * The number of bits used to represent a half-precision float value.
      */
@@ -164,7 +168,332 @@
     private static final int FP32_DENORMAL_MAGIC = 126 << 23;
     private static final float FP32_DENORMAL_FLOAT = Float.intBitsToFloat(FP32_DENORMAL_MAGIC);
 
-    private Half() {
+    private final @HalfFloat short mValue;
+
+    /**
+     * Constructs a newly allocated {@code Half} object that represents the
+     * half-precision float type argument.
+     *
+     * @param value The value to be represented by the {@code Half}
+     */
+    public Half(@HalfFloat short value) {
+        mValue = value;
+    }
+
+    /**
+     * Constructs a newly allocated {@code Half} object that represents the
+     * argument converted to a half-precision float.
+     *
+     * @param value The value to be represented by the {@code Half}
+     *
+     * @see #toHalf(float)
+     */
+    public Half(float value) {
+        mValue = toHalf(value);
+    }
+
+    /**
+     * Constructs a newly allocated {@code Half} object that
+     * represents the argument converted to a half-precision float.
+     *
+     * @param value The value to be represented by the {@code Half}
+     *
+     * @see #toHalf(float)
+     */
+    public Half(double value) {
+        mValue = toHalf((float) value);
+    }
+
+    /**
+     * <p>Constructs a newly allocated {@code Half} object that represents the
+     * half-precision float value represented by the string.
+     * The string is converted to a half-precision float value as if by the
+     * {@link #valueOf(String)} method.</p>
+     *
+     * <p>Calling this constructor is equivalent to calling:</p>
+     * <pre>
+     *     new Half(Float.parseFloat(value))
+     * </pre>
+     *
+     * @param value A string to be converted to a {@code Half}
+     * @throws NumberFormatException if the string does not contain a parsable number
+     *
+     * @see Float#valueOf(java.lang.String)
+     * @see #toHalf(float)
+     */
+    public Half(@NonNull String value) throws NumberFormatException {
+        mValue = toHalf(Float.parseFloat(value));
+    }
+
+    /**
+     * Returns the half-precision value of this {@code Half} as a {@code short}
+     * containing the bit representation described in {@link Half}.
+     *
+     * @return The half-precision float value represented by this object
+     */
+    public @HalfFloat short halfValue() {
+        return mValue;
+    }
+
+    /**
+     * Returns the value of this {@code Half} as a {@code byte} after
+     * a narrowing primitive conversion.
+     *
+     * @return The half-precision float value represented by this object
+     *         converted to type {@code byte}
+     */
+    @Override
+    public byte byteValue() {
+        return (byte) toFloat(mValue);
+    }
+
+    /**
+     * Returns the value of this {@code Half} as a {@code short} after
+     * a narrowing primitive conversion.
+     *
+     * @return The half-precision float value represented by this object
+     *         converted to type {@code short}
+     */
+    @Override
+    public short shortValue() {
+        return (short) toFloat(mValue);
+    }
+
+    /**
+     * Returns the value of this {@code Half} as a {@code int} after
+     * a narrowing primitive conversion.
+     *
+     * @return The half-precision float value represented by this object
+     *         converted to type {@code int}
+     */
+    @Override
+    public int intValue() {
+        return (int) toFloat(mValue);
+    }
+
+    /**
+     * Returns the value of this {@code Half} as a {@code long} after
+     * a narrowing primitive conversion.
+     *
+     * @return The half-precision float value represented by this object
+     *         converted to type {@code long}
+     */
+    @Override
+    public long longValue() {
+        return (long) toFloat(mValue);
+    }
+
+    /**
+     * Returns the value of this {@code Half} as a {@code float} after
+     * a widening primitive conversion.
+     *
+     * @return The half-precision float value represented by this object
+     *         converted to type {@code float}
+     */
+    @Override
+    public float floatValue() {
+        return toFloat(mValue);
+    }
+
+    /**
+     * Returns the value of this {@code Half} as a {@code double} after
+     * a widening primitive conversion.
+     *
+     * @return The half-precision float value represented by this object
+     *         converted to type {@code double}
+     */
+    @Override
+    public double doubleValue() {
+        return toFloat(mValue);
+    }
+
+    /**
+     * Returns true if this {@code Half} value represents a Not-a-Number,
+     * false otherwise.
+     *
+     * @return True if the value is a NaN, false otherwise
+     */
+    public boolean isNaN() {
+        return isNaN(mValue);
+    }
+
+    /**
+     * Compares this object against the specified object. The result is {@code true}
+     * if and only if the argument is not {@code null} and is a {@code Half} object
+     * that represents the same half-precision value as the this object. Two
+     * half-precision values are considered to be the same if and only if the method
+     * {@link #halfToIntBits(short)} returns an identical {@code int} value for both.
+     *
+     * @param o The object to compare
+     * @return True if the objects are the same, false otherwise
+     *
+     * @see #halfToIntBits(short)
+     */
+    @Override
+    public boolean equals(@Nullable Object o) {
+        return (o instanceof Half) &&
+                (halfToIntBits(((Half) o).mValue) == halfToIntBits(mValue));
+    }
+
+    /**
+     * Returns a hash code for this {@code Half} object. The result is the
+     * integer bit representation, exactly as produced by the method
+     * {@link #halfToIntBits(short)}, of the primitive half-precision float
+     * value represented by this {@code Half} object.
+     *
+     * @return A hash code value for this object
+     */
+    @Override
+    public int hashCode() {
+        return hashCode(mValue);
+    }
+
+    /**
+     * Returns a string representation of the specified half-precision
+     * float value. See {@link #toString(short)} for more information.
+     *
+     * @return A string representation of this {@code Half} object
+     */
+    @NonNull
+    @Override
+    public String toString() {
+        return toString(mValue);
+    }
+
+    /**
+     * <p>Compares the two specified half-precision float values. The following
+     * conditions apply during the comparison:</p>
+     *
+     * <ul>
+     * <li>{@link #NaN} is considered by this method to be equal to itself and greater
+     * than all other half-precision float values (including {@code #POSITIVE_INFINITY})</li>
+     * <li>{@link #POSITIVE_ZERO} is considered by this method to be greater than
+     * {@link #NEGATIVE_ZERO}.</li>
+     * </ul>
+     *
+     * @param h The half-precision float value to compare to the half-precision value
+     *          represented by this {@code Half} object
+     *
+     * @return  The value {@code 0} if {@code x} is numerically equal to {@code y}; a
+     *          value less than {@code 0} if {@code x} is numerically less than {@code y};
+     *          and a value greater than {@code 0} if {@code x} is numerically greater
+     *          than {@code y}
+     */
+    @Override
+    public int compareTo(@NonNull Half h) {
+        return compare(mValue, h.mValue);
+    }
+
+    /**
+     * Returns a hash code for a half-precision float value.
+     *
+     * @param h The value to hash
+     *
+     * @return A hash code value for a half-precision float value
+     */
+    public static int hashCode(@HalfFloat short h) {
+        return halfToIntBits(h);
+    }
+
+    /**
+     * <p>Compares the two specified half-precision float values. The following
+     * conditions apply during the comparison:</p>
+     *
+     * <ul>
+     * <li>{@link #NaN} is considered by this method to be equal to itself and greater
+     * than all other half-precision float values (including {@code #POSITIVE_INFINITY})</li>
+     * <li>{@link #POSITIVE_ZERO} is considered by this method to be greater than
+     * {@link #NEGATIVE_ZERO}.</li>
+     * </ul>
+     *
+     * @param x The first half-precision float value to compare.
+     * @param y The second half-precision float value to compare
+     *
+     * @return  The value {@code 0} if {@code x} is numerically equal to {@code y}, a
+     *          value less than {@code 0} if {@code x} is numerically less than {@code y},
+     *          and a value greater than {@code 0} if {@code x} is numerically greater
+     *          than {@code y}
+     */
+    public static int compare(@HalfFloat short x, @HalfFloat short y) {
+        if (less(x, y)) return -1;
+        if (greater(x, y)) return 1;
+
+        // Collapse NaNs, akin to halfToIntBits(), but we want to keep
+        // (signed) short value types to preserve the ordering of -0.0
+        // and +0.0
+        short xBits = (x & FP16_COMBINED) > FP16_EXPONENT_MAX ? NaN : x;
+        short yBits = (y & FP16_COMBINED) > FP16_EXPONENT_MAX ? NaN : y;
+
+        return (xBits == yBits ? 0 : (xBits < yBits ? -1 : 1));
+    }
+
+    /**
+     * <p>Returns a representation of the specified half-precision float value
+     * according to the bit layout described in {@link Half}.</p>
+     *
+     * <p>Similar to {@link #halfToIntBits(short)}, this method collapses all
+     * possible Not-a-Number values to a single canonical Not-a-Number value
+     * defined by {@link #NaN}.</p>
+     *
+     * @param h A half-precision float value
+     * @return The bits that represent the half-precision float value
+     *
+     * @see #halfToIntBits(short)
+     */
+    public static @HalfFloat short halfToShortBits(@HalfFloat short h) {
+        return (h & FP16_COMBINED) > FP16_EXPONENT_MAX ? NaN : h;
+    }
+
+    /**
+     * <p>Returns a representation of the specified half-precision float value
+     * according to the bit layout described in {@link Half}.</p>
+     *
+     * <p>Unlike {@link #halfToRawIntBits(short)}, this method collapses all
+     * possible Not-a-Number values to a single canonical Not-a-Number value
+     * defined by {@link #NaN}.</p>
+     *
+     * @param h A half-precision float value
+     * @return The bits that represent the half-precision float value
+     *
+     * @see #halfToRawIntBits(short)
+     * @see #halfToShortBits(short)
+     * @see #intBitsToHalf(int)
+     */
+    public static int halfToIntBits(@HalfFloat short h) {
+        return (h & FP16_COMBINED) > FP16_EXPONENT_MAX ? NaN : h & 0xffff;
+    }
+
+    /**
+     * <p>Returns a representation of the specified half-precision float value
+     * according to the bit layout described in {@link Half}.</p>
+     *
+     * <p>The argument is considered to be a representation of a half-precision
+     * float value according to the bit layout described in {@link Half}. The 16
+     * most significant bits of the returned value are set to 0.</p>
+     *
+     * @param h A half-precision float value
+     * @return The bits that represent the half-precision float value
+     *
+     * @see #halfToIntBits(short)
+     * @see #intBitsToHalf(int)
+     */
+    public static int halfToRawIntBits(@HalfFloat short h) {
+        return h & 0xffff;
+    }
+
+    /**
+     * <p>Returns the half-precision float value corresponding to a given
+     * bit representation.</p>
+     *
+     * <p>The argument is considered to be a representation of a half-precision
+     * float value according to the bit layout described in {@link Half}. The 16
+     * most significant bits of the argument are ignored.</p>
+     *
+     * @param bits An integer
+     * @return The half-precision float value with the same bit pattern
+     */
+    public static @HalfFloat short intBitsToHalf(int bits) {
+        return (short) (bits & 0xffff);
     }
 
     /**
@@ -509,7 +838,7 @@
      * infinity, false otherwise.
      *
      * @param h A half-precision float value
-     * @return true if the value is positive infinity or negative infinity,
+     * @return True if the value is positive infinity or negative infinity,
      *         false otherwise
      */
     public static boolean isInfinite(@HalfFloat short h) {
@@ -521,7 +850,7 @@
      * a Not-a-Number, false otherwise.
      *
      * @param h A half-precision float value
-     * @return true if the value is a NaN, false otherwise
+     * @return True if the value is a NaN, false otherwise
      */
     public static boolean isNaN(@HalfFloat short h) {
         return (h & FP16_COMBINED) > FP16_EXPONENT_MAX;
@@ -535,7 +864,7 @@
      * number, this method returns false.
      *
      * @param h A half-precision float value
-     * @return true if the value is normalized, false otherwise
+     * @return True if the value is normalized, false otherwise
      */
     public static boolean isNormalized(@HalfFloat short h) {
         return (h & FP16_EXPONENT_MAX) != 0 && (h & FP16_EXPONENT_MAX) != FP16_EXPONENT_MAX;
@@ -608,7 +937,7 @@
      * @return A half-precision float value
      */
     @SuppressWarnings("StatementWithEmptyBody")
-    public static @HalfFloat short valueOf(float f) {
+    public static @HalfFloat short toHalf(float f) {
         int bits = Float.floatToRawIntBits(f);
         int s = (bits >>> FP32_SIGN_SHIFT    );
         int e = (bits >>> FP32_EXPONENT_SHIFT) & FP32_EXPONENT_MASK;
@@ -650,6 +979,57 @@
     }
 
     /**
+     * Returns a {@code Half} instance representing the specified
+     * half-precision float value.
+     *
+     * @param h A half-precision float value
+     * @return a {@code Half} instance representing {@code h}
+     */
+    public static @NonNull Half valueOf(@HalfFloat short h) {
+        return new Half(h);
+    }
+
+    /**
+     * Returns a {@code Half} instance representing the specified float value.
+     *
+     * @param f A float value
+     * @return a {@code Half} instance representing {@code f}
+     */
+    public static @NonNull Half valueOf(float f) {
+        return new Half(f);
+    }
+
+    /**
+     * Returns a {@code Half} instance representing the specified string value.
+     * Calling this method is equivalent to calling
+     * <code>toHalf(Float.parseString(h))</code>. See {@link Float#valueOf(String)}
+     * for more information on the format of the string representation.
+     *
+     * @param s The string to be parsed
+     * @return a {@code Half} instance representing {@code h}
+     * @throws NumberFormatException if the string does not contain a parsable
+     *         half-precision float value
+     */
+    public static @NonNull Half valueOf(@NonNull String s) {
+        return new Half(s);
+    }
+
+    /**
+     * Returns the half-precision float value represented by the specified string.
+     * Calling this method is equivalent to calling
+     * <code>toHalf(Float.parseString(h))</code>. See {@link Float#valueOf(String)}
+     * for more information on the format of the string representation.
+     *
+     * @param s The string to be parsed
+     * @return A half-precision float value represented by the string
+     * @throws NumberFormatException if the string does not contain a parsable
+     *         half-precision float value
+     */
+    public static @HalfFloat short parseHalf(@NonNull String s) throws NumberFormatException {
+        return toHalf(FloatingDecimal.parseFloat(s));
+    }
+
+    /**
      * Returns a string representation of the specified half-precision
      * float value. Calling this method is equivalent to calling
      * <code>Float.toString(toFloat(h))</code>. See {@link Float#toString(float)}
@@ -658,6 +1038,7 @@
      * @param h A half-precision float value
      * @return A string representation of the specified value
      */
+    @NonNull
     public static String toString(@HalfFloat short h) {
         return Float.toString(toFloat(h));
     }
@@ -688,6 +1069,7 @@
      * @param h A half-precision float value
      * @return A hexadecimal string representation of the specified value
      */
+    @NonNull
     public static String toHexString(@HalfFloat short h) {
         StringBuilder o = new StringBuilder();
 
diff --git a/core/java/android/view/View.java b/core/java/android/view/View.java
index a880842..e349170 100644
--- a/core/java/android/view/View.java
+++ b/core/java/android/view/View.java
@@ -4500,6 +4500,8 @@
                     break;
                 case com.android.internal.R.styleable.View_focusableInTouchMode:
                     if (a.getBoolean(attr, false)) {
+                        // unset auto focus since focusableInTouchMode implies explicit focusable
+                        viewFlagValues &= ~FOCUSABLE_AUTO;
                         viewFlagValues |= FOCUSABLE_IN_TOUCH_MODE | FOCUSABLE;
                         viewFlagMasks |= FOCUSABLE_IN_TOUCH_MODE | FOCUSABLE_MASK;
                     }
@@ -6471,12 +6473,18 @@
                 }
             }
         }
+
+        // Invisible and gone views are never focusable.
         if ((mViewFlags & VISIBILITY_MASK) != VISIBLE) {
             return false;
         }
-        return (allowAutoFocus
-                ? getFocusable() != NOT_FOCUSABLE
-                : getFocusable() == FOCUSABLE) && isFocusable();
+
+        // Only use effective focusable value when allowed.
+        if ((allowAutoFocus || getFocusable() != FOCUSABLE_AUTO) && isFocusable()) {
+            return true;
+        }
+
+        return false;
     }
 
     /**
@@ -8666,7 +8674,10 @@
         // which, in touch mode, will not successfully request focus on this view
         // because the focusable in touch mode flag is not set
         setFlags(focusableInTouchMode ? FOCUSABLE_IN_TOUCH_MODE : 0, FOCUSABLE_IN_TOUCH_MODE);
+
+        // Clear FOCUSABLE_AUTO if set.
         if (focusableInTouchMode) {
+            // Clears FOCUSABLE_AUTO if set.
             setFlags(FOCUSABLE, FOCUSABLE_MASK);
         }
     }
@@ -11730,7 +11741,10 @@
                 && isOnScrollbar(event.getX(), event.getY())) {
             awakenScrollBars();
         }
-        if (isHoverable()) {
+
+        // If we consider ourself hoverable, or if we we're already hovered,
+        // handle changing state in response to ENTER and EXIT events.
+        if (isHoverable() || isHovered()) {
             switch (action) {
                 case MotionEvent.ACTION_HOVER_ENTER:
                     setHovered(true);
@@ -12261,12 +12275,13 @@
         // If focusable is auto, update the FOCUSABLE bit.
         int focusableChangedByAuto = 0;
         if (((mViewFlags & FOCUSABLE_AUTO) != 0)
-                && (changed & (FOCUSABLE_MASK | CLICKABLE | FOCUSABLE_IN_TOUCH_MODE)) != 0) {
-            int newFocus = NOT_FOCUSABLE;
-            if ((mViewFlags & (CLICKABLE | FOCUSABLE_IN_TOUCH_MODE)) != 0) {
+                && (changed & (FOCUSABLE_MASK | CLICKABLE)) != 0) {
+            // Heuristic only takes into account whether view is clickable.
+            final int newFocus;
+            if ((mViewFlags & CLICKABLE) != 0) {
                 newFocus = FOCUSABLE;
             } else {
-                mViewFlags = (mViewFlags & ~FOCUSABLE_IN_TOUCH_MODE);
+                newFocus = NOT_FOCUSABLE;
             }
             mViewFlags = (mViewFlags & ~FOCUSABLE) | newFocus;
             focusableChangedByAuto = (old & FOCUSABLE) ^ (newFocus & FOCUSABLE);
@@ -20260,9 +20275,9 @@
      * @return the view of the specified id, null if cannot be found
      * @hide
      */
-    protected View findViewTraversal(@IdRes int id) {
+    protected <T extends View> T findViewTraversal(@IdRes int id) {
         if (id == mID) {
-            return this;
+            return (T) this;
         }
         return null;
     }
@@ -20272,9 +20287,9 @@
      * @return the view of specified tag, null if cannot be found
      * @hide
      */
-    protected View findViewWithTagTraversal(Object tag) {
+    protected <T extends View> T findViewWithTagTraversal(Object tag) {
         if (tag != null && tag.equals(mTag)) {
-            return this;
+            return (T) this;
         }
         return null;
     }
@@ -20285,9 +20300,10 @@
      * @return The first view that matches the predicate or null.
      * @hide
      */
-    protected View findViewByPredicateTraversal(Predicate<View> predicate, View childToSkip) {
+    protected <T extends View> T findViewByPredicateTraversal(Predicate<View> predicate,
+            View childToSkip) {
         if (predicate.test(this)) {
-            return this;
+            return (T) this;
         }
         return null;
     }
@@ -20300,7 +20316,7 @@
      * @return The view that has the given id in the hierarchy or null
      */
     @Nullable
-    public final View findViewById(@IdRes int id) {
+    public final <T extends View> T findViewById(@IdRes int id) {
         if (id < 0) {
             return null;
         }
@@ -20313,11 +20329,11 @@
      * @param accessibilityId The searched accessibility id.
      * @return The found view.
      */
-    final View findViewByAccessibilityId(int accessibilityId) {
+    final <T extends View> T  findViewByAccessibilityId(int accessibilityId) {
         if (accessibilityId < 0) {
             return null;
         }
-        View view = findViewByAccessibilityIdTraversal(accessibilityId);
+        T view = findViewByAccessibilityIdTraversal(accessibilityId);
         if (view != null) {
             return view.includeForAccessibility() ? view : null;
         }
@@ -20336,12 +20352,11 @@
      *
      * @param accessibilityId The accessibility id.
      * @return The found view.
-     *
      * @hide
      */
-    public View findViewByAccessibilityIdTraversal(int accessibilityId) {
+    public <T extends View> T findViewByAccessibilityIdTraversal(int accessibilityId) {
         if (getAccessibilityViewId() == accessibilityId) {
-            return this;
+            return (T) this;
         }
         return null;
     }
@@ -20353,7 +20368,7 @@
      * @param tag The tag to search for, using "tag.equals(getTag())".
      * @return The View that has the given tag in the hierarchy or null
      */
-    public final View findViewWithTag(Object tag) {
+    public final <T extends View> T findViewWithTag(Object tag) {
         if (tag == null) {
             return null;
         }
@@ -20368,7 +20383,7 @@
      * @return The first view that matches the predicate or null.
      * @hide
      */
-    public final View findViewByPredicate(Predicate<View> predicate) {
+    public final <T extends View> T findViewByPredicate(Predicate<View> predicate) {
         return findViewByPredicateTraversal(predicate, null);
     }
 
@@ -20388,10 +20403,11 @@
      * @return The first view that matches the predicate or null.
      * @hide
      */
-    public final View findViewByPredicateInsideOut(View start, Predicate<View> predicate) {
+    public final <T extends View> T findViewByPredicateInsideOut(
+            View start, Predicate<View> predicate) {
         View childToSkip = null;
         for (;;) {
-            View view = start.findViewByPredicateTraversal(predicate, childToSkip);
+            T view = start.findViewByPredicateTraversal(predicate, childToSkip);
             if (view != null || start == this) {
                 return view;
             }
diff --git a/core/java/android/view/ViewGroup.java b/core/java/android/view/ViewGroup.java
index 7aa2168..3dd3ba8 100644
--- a/core/java/android/view/ViewGroup.java
+++ b/core/java/android/view/ViewGroup.java
@@ -1148,18 +1148,21 @@
 
     @Override
     boolean hasFocusable(boolean allowAutoFocus, boolean dispatchExplicit) {
+        // This should probably be super.hasFocusable, but that would change
+        // behavior. Historically, we have not checked the ancestor views for
+        // shouldBlockFocusForTouchscreen() in ViewGroup.hasFocusable.
+
+        // Invisible and gone views are never focusable.
         if ((mViewFlags & VISIBILITY_MASK) != VISIBLE) {
             return false;
         }
 
-        // TODO This should probably be super.hasFocusable, but that would change behavior.
-        // The below is a much simpler check than we do in the superclass implementation,
-        // but it's been this way for a long time and other code likely relies on it.
-        if ((allowAutoFocus ? getFocusable() != NOT_FOCUSABLE : getFocusable() == FOCUSABLE)
-                && isFocusable()) {
+        // Only use effective focusable value when allowed.
+        if ((allowAutoFocus || getFocusable() != FOCUSABLE_AUTO) && isFocusable()) {
             return true;
         }
 
+        // Determine whether we have a focused descendant.
         final int descendantFocusability = getDescendantFocusability();
         if (descendantFocusability != FOCUS_BLOCK_DESCENDANTS) {
             final int count = mChildrenCount;
@@ -4324,9 +4327,9 @@
      * {@hide}
      */
     @Override
-    protected View findViewTraversal(@IdRes int id) {
+    protected <T extends View> T findViewTraversal(@IdRes int id) {
         if (id == mID) {
-            return this;
+            return (T) this;
         }
 
         final View[] where = mChildren;
@@ -4339,7 +4342,7 @@
                 v = v.findViewById(id);
 
                 if (v != null) {
-                    return v;
+                    return (T) v;
                 }
             }
         }
@@ -4351,9 +4354,9 @@
      * {@hide}
      */
     @Override
-    protected View findViewWithTagTraversal(Object tag) {
+    protected <T extends View> T findViewWithTagTraversal(Object tag) {
         if (tag != null && tag.equals(mTag)) {
-            return this;
+            return (T) this;
         }
 
         final View[] where = mChildren;
@@ -4366,7 +4369,7 @@
                 v = v.findViewWithTag(tag);
 
                 if (v != null) {
-                    return v;
+                    return (T) v;
                 }
             }
         }
@@ -4378,9 +4381,10 @@
      * {@hide}
      */
     @Override
-    protected View findViewByPredicateTraversal(Predicate<View> predicate, View childToSkip) {
+    protected <T extends View> T findViewByPredicateTraversal(Predicate<View> predicate,
+            View childToSkip) {
         if (predicate.test(this)) {
-            return this;
+            return (T) this;
         }
 
         final View[] where = mChildren;
@@ -4393,7 +4397,7 @@
                 v = v.findViewByPredicate(predicate);
 
                 if (v != null) {
-                    return v;
+                    return (T) v;
                 }
             }
         }
diff --git a/core/java/android/view/ViewRootImpl.java b/core/java/android/view/ViewRootImpl.java
index b79f22f..20d960f 100644
--- a/core/java/android/view/ViewRootImpl.java
+++ b/core/java/android/view/ViewRootImpl.java
@@ -4305,11 +4305,11 @@
                 mTranslator.translateEventInScreenToAppWindow(event);
             }
 
-            // Enter touch mode on down or scroll.
+            // Enter touch mode on down or scroll, if it is coming from a touch screen device,
+            // exit otherwise.
             final int action = event.getAction();
-            if (event.isFromSource(InputDevice.SOURCE_TOUCHSCREEN)
-                    && (action == MotionEvent.ACTION_DOWN || action == MotionEvent.ACTION_SCROLL)) {
-                ensureTouchMode(true);
+            if (action == MotionEvent.ACTION_DOWN || action == MotionEvent.ACTION_SCROLL) {
+                ensureTouchMode(event.isFromSource(InputDevice.SOURCE_TOUCHSCREEN));
             }
 
             if (action == MotionEvent.ACTION_DOWN && mAttachInfo.mTooltipHost != null) {
diff --git a/core/java/android/view/accessibility/AccessibilityNodeInfo.java b/core/java/android/view/accessibility/AccessibilityNodeInfo.java
index d866927..8094fa6 100644
--- a/core/java/android/view/accessibility/AccessibilityNodeInfo.java
+++ b/core/java/android/view/accessibility/AccessibilityNodeInfo.java
@@ -3591,6 +3591,7 @@
      * <li><strong>Standard actions</strong> - These are actions that are reported and
      * handled by the standard UI widgets in the platform. For each standard action
      * there is a static constant defined in this class, e.g. {@link #ACTION_FOCUS}.
+     * These actions will have {@code null} labels.
      * </li>
      * <li><strong>Custom actions action</strong> - These are actions that are reported
      * and handled by custom widgets. i.e. ones that are not part of the UI toolkit. For
diff --git a/core/java/android/widget/ActivityChooserView.java b/core/java/android/widget/ActivityChooserView.java
index 51587a7..9a39a17 100644
--- a/core/java/android/widget/ActivityChooserView.java
+++ b/core/java/android/widget/ActivityChooserView.java
@@ -250,7 +250,7 @@
         mDefaultActivityButton = (FrameLayout) findViewById(R.id.default_activity_button);
         mDefaultActivityButton.setOnClickListener(mCallbacks);
         mDefaultActivityButton.setOnLongClickListener(mCallbacks);
-        mDefaultActivityButtonImage = (ImageView) mDefaultActivityButton.findViewById(R.id.image);
+        mDefaultActivityButtonImage = mDefaultActivityButton.findViewById(R.id.image);
 
         final FrameLayout expandButton = (FrameLayout) findViewById(R.id.expand_activities_button);
         expandButton.setOnClickListener(mCallbacks);
@@ -282,7 +282,7 @@
         mExpandActivityOverflowButton = expandButton;
 
         mExpandActivityOverflowButtonImage =
-            (ImageView) expandButton.findViewById(R.id.image);
+            expandButton.findViewById(R.id.image);
         mExpandActivityOverflowButtonImage.setImageDrawable(expandActivityOverflowButtonDrawable);
 
         mAdapter = new ActivityChooserViewAdapter();
@@ -760,7 +760,7 @@
                         convertView = LayoutInflater.from(getContext()).inflate(
                                 R.layout.activity_chooser_view_list_item, parent, false);
                         convertView.setId(ITEM_VIEW_TYPE_FOOTER);
-                        TextView titleView = (TextView) convertView.findViewById(R.id.title);
+                        TextView titleView = convertView.findViewById(R.id.title);
                         titleView.setText(mContext.getString(
                                 R.string.activity_chooser_view_see_all));
                     }
@@ -772,11 +772,11 @@
                     }
                     PackageManager packageManager = mContext.getPackageManager();
                     // Set the icon
-                    ImageView iconView = (ImageView) convertView.findViewById(R.id.icon);
+                    ImageView iconView = convertView.findViewById(R.id.icon);
                     ResolveInfo activity = (ResolveInfo) getItem(position);
                     iconView.setImageDrawable(activity.loadIcon(packageManager));
                     // Set the title.
-                    TextView titleView = (TextView) convertView.findViewById(R.id.title);
+                    TextView titleView = convertView.findViewById(R.id.title);
                     titleView.setText(activity.loadLabel(packageManager));
                     // Highlight the default.
                     if (mShowDefaultActivity && position == 0 && mHighlightDefaultActivity) {
diff --git a/core/java/android/widget/AppSecurityPermissions.java b/core/java/android/widget/AppSecurityPermissions.java
index 68e6809..06d4868 100644
--- a/core/java/android/widget/AppSecurityPermissions.java
+++ b/core/java/android/widget/AppSecurityPermissions.java
@@ -451,7 +451,7 @@
 
     private View getPermissionsView(int which, boolean showRevokeUI) {
         LinearLayout permsView = (LinearLayout) mInflater.inflate(R.layout.app_perms_summary, null);
-        LinearLayout displayList = (LinearLayout) permsView.findViewById(R.id.perms_list);
+        LinearLayout displayList = permsView.findViewById(R.id.perms_list);
         View noPermsView = permsView.findViewById(R.id.no_permissions);
 
         displayPermissions(mPermGroupsList, displayList, which, showRevokeUI);
@@ -517,8 +517,8 @@
             CharSequence grpName, CharSequence permList, boolean dangerous, Drawable icon) {
         View permView = inflater.inflate(R.layout.app_permission_item_old, null);
 
-        TextView permGrpView = (TextView) permView.findViewById(R.id.permission_group);
-        TextView permDescView = (TextView) permView.findViewById(R.id.permission_list);
+        TextView permGrpView = permView.findViewById(R.id.permission_group);
+        TextView permDescView = permView.findViewById(R.id.permission_list);
 
         ImageView imgView = (ImageView)permView.findViewById(R.id.perm_icon);
         imgView.setImageDrawable(icon);
diff --git a/core/java/android/widget/ArrayAdapter.java b/core/java/android/widget/ArrayAdapter.java
index bbc50da..81f0d3d 100644
--- a/core/java/android/widget/ArrayAdapter.java
+++ b/core/java/android/widget/ArrayAdapter.java
@@ -388,7 +388,7 @@
                 text = (TextView) view;
             } else {
                 //  Otherwise, find the TextView field within the layout
-                text = (TextView) view.findViewById(mFieldId);
+                text = view.findViewById(mFieldId);
 
                 if (text == null) {
                     throw new RuntimeException("Failed to find view with ID "
diff --git a/core/java/android/widget/CalendarViewLegacyDelegate.java b/core/java/android/widget/CalendarViewLegacyDelegate.java
index 557d411..1b899db 100644
--- a/core/java/android/widget/CalendarViewLegacyDelegate.java
+++ b/core/java/android/widget/CalendarViewLegacyDelegate.java
@@ -316,9 +316,9 @@
         View content = layoutInflater.inflate(R.layout.calendar_view, null, false);
         mDelegator.addView(content);
 
-        mListView = (ListView) mDelegator.findViewById(R.id.list);
-        mDayNamesHeader = (ViewGroup) content.findViewById(R.id.day_names);
-        mMonthName = (TextView) content.findViewById(R.id.month_name);
+        mListView = mDelegator.findViewById(R.id.list);
+        mDayNamesHeader = content.findViewById(R.id.day_names);
+        mMonthName = content.findViewById(R.id.month_name);
 
         setUpHeader();
         setUpListView();
diff --git a/core/java/android/widget/DatePickerCalendarDelegate.java b/core/java/android/widget/DatePickerCalendarDelegate.java
index f712685..907250a 100755
--- a/core/java/android/widget/DatePickerCalendarDelegate.java
+++ b/core/java/android/widget/DatePickerCalendarDelegate.java
@@ -115,10 +115,10 @@
         mDelegator.addView(mContainer);
 
         // Set up header views.
-        final ViewGroup header = (ViewGroup) mContainer.findViewById(R.id.date_picker_header);
-        mHeaderYear = (TextView) header.findViewById(R.id.date_picker_header_year);
+        final ViewGroup header = mContainer.findViewById(R.id.date_picker_header);
+        mHeaderYear = header.findViewById(R.id.date_picker_header_year);
         mHeaderYear.setOnClickListener(mOnHeaderClickListener);
-        mHeaderMonthDay = (TextView) header.findViewById(R.id.date_picker_header_date);
+        mHeaderMonthDay = header.findViewById(R.id.date_picker_header_date);
         mHeaderMonthDay.setOnClickListener(mOnHeaderClickListener);
 
         // For the sake of backwards compatibility, attempt to extract the text
@@ -154,10 +154,10 @@
         a.recycle();
 
         // Set up picker container.
-        mAnimator = (ViewAnimator) mContainer.findViewById(R.id.animator);
+        mAnimator = mContainer.findViewById(R.id.animator);
 
         // Set up day picker view.
-        mDayPickerView = (DayPickerView) mAnimator.findViewById(R.id.date_picker_day_picker);
+        mDayPickerView = mAnimator.findViewById(R.id.date_picker_day_picker);
         mDayPickerView.setFirstDayOfWeek(mFirstDayOfWeek);
         mDayPickerView.setMinDate(mMinDate.getTimeInMillis());
         mDayPickerView.setMaxDate(mMaxDate.getTimeInMillis());
@@ -165,7 +165,7 @@
         mDayPickerView.setOnDaySelectedListener(mOnDaySelectedListener);
 
         // Set up year picker view.
-        mYearPickerView = (YearPickerView) mAnimator.findViewById(R.id.date_picker_year_picker);
+        mYearPickerView = mAnimator.findViewById(R.id.date_picker_year_picker);
         mYearPickerView.setRange(mMinDate, mMaxDate);
         mYearPickerView.setYear(mCurrentDate.get(Calendar.YEAR));
         mYearPickerView.setOnYearSelectedListener(mOnYearSelectedListener);
diff --git a/core/java/android/widget/DayPickerPagerAdapter.java b/core/java/android/widget/DayPickerPagerAdapter.java
index 8d5bf8f..63621e1 100644
--- a/core/java/android/widget/DayPickerPagerAdapter.java
+++ b/core/java/android/widget/DayPickerPagerAdapter.java
@@ -225,7 +225,7 @@
     public Object instantiateItem(ViewGroup container, int position) {
         final View itemView = mInflater.inflate(mLayoutResId, container, false);
 
-        final SimpleMonthView v = (SimpleMonthView) itemView.findViewById(mCalendarViewId);
+        final SimpleMonthView v = itemView.findViewById(mCalendarViewId);
         v.setOnDayClickListener(mOnDayClickListener);
         v.setMonthTextAppearance(mMonthTextAppearance);
         v.setDayOfWeekTextAppearance(mDayOfWeekTextAppearance);
diff --git a/core/java/android/widget/DayPickerViewPager.java b/core/java/android/widget/DayPickerViewPager.java
index a27e022..1704ed7 100644
--- a/core/java/android/widget/DayPickerViewPager.java
+++ b/core/java/android/widget/DayPickerViewPager.java
@@ -137,9 +137,10 @@
     }
 
     @Override
-    protected View findViewByPredicateTraversal(Predicate<View> predicate, View childToSkip) {
+    protected <T extends View> T findViewByPredicateTraversal(Predicate<View> predicate,
+            View childToSkip) {
         if (predicate.test(this)) {
-            return this;
+            return (T) this;
         }
 
         // Always try the selected view first.
@@ -148,7 +149,7 @@
         if (current != childToSkip && current != null) {
             final View v = current.findViewByPredicate(predicate);
             if (v != null) {
-                return v;
+                return (T) v;
             }
         }
 
@@ -160,7 +161,7 @@
                 final View v = child.findViewByPredicate(predicate);
 
                 if (v != null) {
-                    return v;
+                    return (T) v;
                 }
             }
         }
diff --git a/core/java/android/widget/Editor.java b/core/java/android/widget/Editor.java
index dd3b054..ade03e1 100644
--- a/core/java/android/widget/Editor.java
+++ b/core/java/android/widget/Editor.java
@@ -2183,6 +2183,11 @@
     }
 
     void onTouchUpEvent(MotionEvent event) {
+        if (getSelectionActionModeHelper().resetOriginalSelection(
+                getTextView().getOffsetForPosition(event.getX(), event.getY()))) {
+            return;
+        }
+
         boolean selectAllGotFocus = mSelectAllOnFocus && mTextView.didTouchFocusSelect();
         hideCursorAndSpanControllers();
         stopTextActionMode();
@@ -3916,7 +3921,7 @@
         @Override
         public void onDestroyActionMode(ActionMode mode) {
             // Clear mTextActionMode not to recursively destroy action mode by clearing selection.
-            getSelectionActionModeHelper().cancelAsyncTask();
+            getSelectionActionModeHelper().onDestroyActionMode();
             mTextActionMode = null;
             Callback customCallback = getCustomCallback();
             if (customCallback != null) {
diff --git a/core/java/android/widget/ListView.java b/core/java/android/widget/ListView.java
index 46e998a..1c0c4ef 100644
--- a/core/java/android/widget/ListView.java
+++ b/core/java/android/widget/ListView.java
@@ -3740,20 +3740,21 @@
      * @removed For internal use only. This should have been hidden.
      */
     @Override
-    protected View findViewTraversal(@IdRes int id) {
-        View v;
-        v = super.findViewTraversal(id);
+    protected <T extends View> T findViewTraversal(@IdRes int id) {
+        // First look in our children, then in any header and footer views that
+        // may be scrolled off.
+        View v = super.findViewTraversal(id);
         if (v == null) {
             v = findViewInHeadersOrFooters(mHeaderViewInfos, id);
             if (v != null) {
-                return v;
+                return (T) v;
             }
             v = findViewInHeadersOrFooters(mFooterViewInfos, id);
             if (v != null) {
-                return v;
+                return (T) v;
             }
         }
-        return v;
+        return (T) v;
     }
 
     View findViewInHeadersOrFooters(ArrayList<FixedViewInfo> where, int id) {
@@ -3782,21 +3783,22 @@
      * @removed For internal use only. This should have been hidden.
      */
     @Override
-    protected View findViewWithTagTraversal(Object tag) {
-        View v;
-        v = super.findViewWithTagTraversal(tag);
+    protected <T extends View> T findViewWithTagTraversal(Object tag) {
+        // First look in our children, then in any header and footer views that
+        // may be scrolled off.
+        View v = super.findViewWithTagTraversal(tag);
         if (v == null) {
             v = findViewWithTagInHeadersOrFooters(mHeaderViewInfos, tag);
             if (v != null) {
-                return v;
+                return (T) v;
             }
 
             v = findViewWithTagInHeadersOrFooters(mFooterViewInfos, tag);
             if (v != null) {
-                return v;
+                return (T) v;
             }
         }
-        return v;
+        return (T) v;
     }
 
     View findViewWithTagInHeadersOrFooters(ArrayList<FixedViewInfo> where, Object tag) {
@@ -3829,21 +3831,21 @@
      * @hide
      */
     @Override
-    protected View findViewByPredicateTraversal(Predicate<View> predicate, View childToSkip) {
-        View v;
-        v = super.findViewByPredicateTraversal(predicate, childToSkip);
+    protected <T extends View> T findViewByPredicateTraversal(
+            Predicate<View> predicate, View childToSkip) {
+        View v = super.findViewByPredicateTraversal(predicate, childToSkip);
         if (v == null) {
             v = findViewByPredicateInHeadersOrFooters(mHeaderViewInfos, predicate, childToSkip);
             if (v != null) {
-                return v;
+                return (T) v;
             }
 
             v = findViewByPredicateInHeadersOrFooters(mFooterViewInfos, predicate, childToSkip);
             if (v != null) {
-                return v;
+                return (T) v;
             }
         }
-        return v;
+        return (T) v;
     }
 
     /**
diff --git a/core/java/android/widget/MediaController.java b/core/java/android/widget/MediaController.java
index 8008637..8e04f1c 100644
--- a/core/java/android/widget/MediaController.java
+++ b/core/java/android/widget/MediaController.java
@@ -257,13 +257,13 @@
                 .getText(com.android.internal.R.string.lockscreen_transport_play_description);
         mPauseDescription = res
                 .getText(com.android.internal.R.string.lockscreen_transport_pause_description);
-        mPauseButton = (ImageButton) v.findViewById(com.android.internal.R.id.pause);
+        mPauseButton = v.findViewById(com.android.internal.R.id.pause);
         if (mPauseButton != null) {
             mPauseButton.requestFocus();
             mPauseButton.setOnClickListener(mPauseListener);
         }
 
-        mFfwdButton = (ImageButton) v.findViewById(com.android.internal.R.id.ffwd);
+        mFfwdButton = v.findViewById(com.android.internal.R.id.ffwd);
         if (mFfwdButton != null) {
             mFfwdButton.setOnClickListener(mFfwdListener);
             if (!mFromXml) {
@@ -271,7 +271,7 @@
             }
         }
 
-        mRewButton = (ImageButton) v.findViewById(com.android.internal.R.id.rew);
+        mRewButton = v.findViewById(com.android.internal.R.id.rew);
         if (mRewButton != null) {
             mRewButton.setOnClickListener(mRewListener);
             if (!mFromXml) {
@@ -280,16 +280,16 @@
         }
 
         // By default these are hidden. They will be enabled when setPrevNextListeners() is called
-        mNextButton = (ImageButton) v.findViewById(com.android.internal.R.id.next);
+        mNextButton = v.findViewById(com.android.internal.R.id.next);
         if (mNextButton != null && !mFromXml && !mListenersSet) {
             mNextButton.setVisibility(View.GONE);
         }
-        mPrevButton = (ImageButton) v.findViewById(com.android.internal.R.id.prev);
+        mPrevButton = v.findViewById(com.android.internal.R.id.prev);
         if (mPrevButton != null && !mFromXml && !mListenersSet) {
             mPrevButton.setVisibility(View.GONE);
         }
 
-        mProgress = (ProgressBar) v.findViewById(com.android.internal.R.id.mediacontroller_progress);
+        mProgress = v.findViewById(com.android.internal.R.id.mediacontroller_progress);
         if (mProgress != null) {
             if (mProgress instanceof SeekBar) {
                 SeekBar seeker = (SeekBar) mProgress;
@@ -298,8 +298,8 @@
             mProgress.setMax(1000);
         }
 
-        mEndTime = (TextView) v.findViewById(com.android.internal.R.id.time);
-        mCurrentTime = (TextView) v.findViewById(com.android.internal.R.id.time_current);
+        mEndTime = v.findViewById(com.android.internal.R.id.time);
+        mCurrentTime = v.findViewById(com.android.internal.R.id.time_current);
         mFormatBuilder = new StringBuilder();
         mFormatter = new Formatter(mFormatBuilder, Locale.getDefault());
 
diff --git a/core/java/android/widget/RemoteViews.java b/core/java/android/widget/RemoteViews.java
index 359d04e..5505f2f 100644
--- a/core/java/android/widget/RemoteViews.java
+++ b/core/java/android/widget/RemoteViews.java
@@ -1578,7 +1578,7 @@
         @Override
         public void apply(View root, ViewGroup rootParent, OnClickHandler handler) {
             final Context context = root.getContext();
-            final ViewGroup target = (ViewGroup) root.findViewById(viewId);
+            final ViewGroup target = root.findViewById(viewId);
             if (target == null) return;
             if (nestedViews != null) {
                 // Inflate nested views and add as children
@@ -1757,7 +1757,7 @@
 
         @Override
         public void apply(View root, ViewGroup rootParent, OnClickHandler handler) {
-            final TextView target = (TextView) root.findViewById(viewId);
+            final TextView target = root.findViewById(viewId);
             if (target == null) return;
             if (drawablesLoaded) {
                 if (isRelative) {
@@ -1857,7 +1857,7 @@
 
         @Override
         public void apply(View root, ViewGroup rootParent, OnClickHandler handler) {
-            final TextView target = (TextView) root.findViewById(viewId);
+            final TextView target = root.findViewById(viewId);
             if (target == null) return;
             target.setTextSize(units, size);
         }
@@ -2045,7 +2045,7 @@
 
         @Override
         public void apply(View root, ViewGroup rootParent, OnClickHandler handler) {
-            final TextView target = (TextView) root.findViewById(viewId);
+            final TextView target = root.findViewById(viewId);
             if (target == null) return;
             Drawable[] drawables = isRelative
                     ? target.getCompoundDrawablesRelative()
diff --git a/core/java/android/widget/SelectionActionModeHelper.java b/core/java/android/widget/SelectionActionModeHelper.java
index 770d9ee..6790532 100644
--- a/core/java/android/widget/SelectionActionModeHelper.java
+++ b/core/java/android/widget/SelectionActionModeHelper.java
@@ -54,6 +54,8 @@
     private TextClassificationResult mTextClassificationResult;
     private AsyncTask mTextClassificationAsyncTask;
 
+    private final SelectionInfo mSelectionInfo = new SelectionInfo();
+
     SelectionActionModeHelper(@NonNull Editor editor) {
         mEditor = Preconditions.checkNotNull(editor);
         final TextView textView = mEditor.getTextView();
@@ -94,12 +96,12 @@
         }
     }
 
-    public void cancelAsyncTask() {
-        if (mTextClassificationAsyncTask != null) {
-            mTextClassificationAsyncTask.cancel(true);
-            mTextClassificationAsyncTask = null;
+    public boolean resetOriginalSelection(int textIndex) {
+        if (mSelectionInfo.resetOriginalSelection(textIndex, mEditor.getTextView().getText())) {
+            invalidateActionModeAsync();
+            return true;
         }
-        mTextClassificationResult = null;
+        return false;
     }
 
     @Nullable
@@ -107,12 +109,28 @@
         return mTextClassificationResult;
     }
 
+    public void onDestroyActionMode() {
+        mSelectionInfo.onSelectionDestroyed();
+        cancelAsyncTask();
+    }
+
+    private void cancelAsyncTask() {
+        if (mTextClassificationAsyncTask != null) {
+            mTextClassificationAsyncTask.cancel(true);
+            mTextClassificationAsyncTask = null;
+        }
+        mTextClassificationResult = null;
+    }
+
     private boolean isNoOpTextClassifier() {
         return mEditor.getTextView().getTextClassifier() == TextClassifier.NO_OP;
     }
 
     private void startActionMode(@Nullable SelectionResult result) {
-        final CharSequence text = mEditor.getTextView().getText();
+        final TextView textView = mEditor.getTextView();
+        final CharSequence text = textView.getText();
+        mSelectionInfo.setOriginalSelection(
+                textView.getSelectionStart(), textView.getSelectionEnd());
         if (result != null && text instanceof Spannable) {
             Selection.setSelection((Spannable) text, result.mStart, result.mEnd);
             mTextClassificationResult = result.mResult;
@@ -124,6 +142,9 @@
             if (controller != null) {
                 controller.show();
             }
+            if (result != null) {
+                mSelectionInfo.onSelectionStarted(result.mStart, result.mEnd);
+            }
         }
         mEditor.setRestartActionModeOnNextRefresh(false);
         mTextClassificationAsyncTask = null;
@@ -135,6 +156,8 @@
         if (actionMode != null) {
             actionMode.invalidate();
         }
+        final TextView textView = mEditor.getTextView();
+        mSelectionInfo.onSelectionUpdated(textView.getSelectionStart(), textView.getSelectionEnd());
         mTextClassificationAsyncTask = null;
     }
 
@@ -145,6 +168,56 @@
     }
 
     /**
+     * Holds information about the selection and uses it to decide on whether or not to update
+     * the selection when resetOriginalSelection is called.
+     * The expected UX here is to allow the user to re-snap the selection back to the original word
+     * that was selected with one tap on that word.
+     */
+    private static final class SelectionInfo {
+
+        private int mOriginalStart;
+        private int mOriginalEnd;
+        private int mSelectionStart;
+        private int mSelectionEnd;
+
+        private boolean mResetOriginal;
+
+        public void setOriginalSelection(int selectionStart, int selectionEnd) {
+            mOriginalStart = selectionStart;
+            mOriginalEnd = selectionEnd;
+            mResetOriginal = false;
+        }
+
+        public void onSelectionStarted(int selectionStart, int selectionEnd) {
+            // Set the reset flag to true if the selection changed.
+            mSelectionStart = selectionStart;
+            mSelectionEnd = selectionEnd;
+            mResetOriginal = mSelectionStart != mOriginalStart || mSelectionEnd != mOriginalEnd;
+        }
+
+        public void onSelectionUpdated(int selectionStart, int selectionEnd) {
+            // If the selection did not change, maintain the reset state. Otherwise, disable reset.
+            mResetOriginal &= selectionStart == mSelectionStart && selectionEnd == mSelectionEnd;
+        }
+
+        public void onSelectionDestroyed() {
+            mResetOriginal = false;
+        }
+
+        public boolean resetOriginalSelection(int textIndex, CharSequence text) {
+            if (mResetOriginal
+                    && textIndex >= mOriginalStart && textIndex <= mOriginalEnd
+                    && text instanceof Spannable) {
+                Selection.setSelection((Spannable) text, mOriginalStart, mOriginalEnd);
+                // Only allow a reset once.
+                mResetOriginal = false;
+                return true;
+            }
+            return false;
+        }
+    }
+
+    /**
      * AsyncTask for running a query on a background thread and returning the result on the
      * UiThread. The AsyncTask times out after a specified time, returning a null result if the
      * query has not yet returned.
diff --git a/core/java/android/widget/SuggestionsAdapter.java b/core/java/android/widget/SuggestionsAdapter.java
index f833d1b..fbb8993 100644
--- a/core/java/android/widget/SuggestionsAdapter.java
+++ b/core/java/android/widget/SuggestionsAdapter.java
@@ -286,7 +286,7 @@
         v.setTag(new ChildViewCache(v));
 
         // Set up icon.
-        final ImageView iconRefine = (ImageView) v.findViewById(R.id.edit_query);
+        final ImageView iconRefine = v.findViewById(R.id.edit_query);
         iconRefine.setImageResource(mCommitIconResId);
 
         return v;
@@ -304,11 +304,11 @@
         public final ImageView mIconRefine;
 
         public ChildViewCache(View v) {
-            mText1 = (TextView) v.findViewById(com.android.internal.R.id.text1);
-            mText2 = (TextView) v.findViewById(com.android.internal.R.id.text2);
-            mIcon1 = (ImageView) v.findViewById(com.android.internal.R.id.icon1);
-            mIcon2 = (ImageView) v.findViewById(com.android.internal.R.id.icon2);
-            mIconRefine = (ImageView) v.findViewById(com.android.internal.R.id.edit_query);
+            mText1 = v.findViewById(com.android.internal.R.id.text1);
+            mText2 = v.findViewById(com.android.internal.R.id.text2);
+            mIcon1 = v.findViewById(com.android.internal.R.id.icon1);
+            mIcon2 = v.findViewById(com.android.internal.R.id.icon2);
+            mIconRefine = v.findViewById(com.android.internal.R.id.edit_query);
         }
     }
 
diff --git a/core/java/android/widget/TabHost.java b/core/java/android/widget/TabHost.java
index 32418cd..7e2cadf 100644
--- a/core/java/android/widget/TabHost.java
+++ b/core/java/android/widget/TabHost.java
@@ -619,7 +619,7 @@
                     mTabWidget, // tab widget is the parent
                     false); // no inflate params
 
-            final TextView tv = (TextView) tabIndicator.findViewById(R.id.title);
+            final TextView tv = tabIndicator.findViewById(R.id.title);
             tv.setText(mLabel);
 
             if (context.getApplicationInfo().targetSdkVersion <= Build.VERSION_CODES.DONUT) {
@@ -653,8 +653,8 @@
                     mTabWidget, // tab widget is the parent
                     false); // no inflate params
 
-            final TextView tv = (TextView) tabIndicator.findViewById(R.id.title);
-            final ImageView iconView = (ImageView) tabIndicator.findViewById(R.id.icon);
+            final TextView tv = tabIndicator.findViewById(R.id.title);
+            final ImageView iconView = tabIndicator.findViewById(R.id.icon);
 
             // when icon is gone by default, we're in exclusive mode
             final boolean exclusive = iconView.getVisibility() == View.GONE;
diff --git a/core/java/android/widget/TextView.java b/core/java/android/widget/TextView.java
index 9078e61..adc6f72 100644
--- a/core/java/android/widget/TextView.java
+++ b/core/java/android/widget/TextView.java
@@ -266,7 +266,7 @@
  * @attr ref android.R.styleable#TextView_fontFeatureSettings
  * @attr ref android.R.styleable#TextView_breakStrategy
  * @attr ref android.R.styleable#TextView_hyphenationFrequency
- * @attr ref android.R.styleable#TextView_autoSizeText
+ * @attr ref android.R.styleable#TextView_autoSizeTextType
  * @attr ref android.R.styleable#TextView_autoSizeMinTextSize
  * @attr ref android.R.styleable#TextView_autoSizeMaxTextSize
  * @attr ref android.R.styleable#TextView_autoSizeStepGranularity
@@ -691,18 +691,24 @@
      */
     private int mDeviceProvisionedState = DEVICE_PROVISIONED_UNKNOWN;
 
-    // The TextView does not auto-size text (default).
+    /**
+     * The TextView does not auto-size text (default).
+     */
     public static final int AUTO_SIZE_TEXT_TYPE_NONE = 0;
-    // The TextView performs uniform horizontal and vertical text size scaling to fit within the
-    // container.
+
+    /**
+     * The TextView scales text size both horizontally and vertically to fit within the
+     * container.
+     */
     public static final int AUTO_SIZE_TEXT_TYPE_UNIFORM = 1;
+
     /** @hide */
     @IntDef({AUTO_SIZE_TEXT_TYPE_NONE, AUTO_SIZE_TEXT_TYPE_UNIFORM})
     @Retention(RetentionPolicy.SOURCE)
     public @interface AutoSizeTextType {}
-    // Default minimum size for auto-sizing text in scaled pixels. {@see #setAutoSizeMinTextSize}.
+    // Default minimum size for auto-sizing text in scaled pixels.
     private static final int DEFAULT_AUTO_SIZE_MIN_TEXT_SIZE_IN_SP = 12;
-    // Default maximum size for auto-sizing text in scaled pixels. {@see #setAutoSizeMaxTextSize}.
+    // Default maximum size for auto-sizing text in scaled pixels.
     private static final int DEFAULT_AUTO_SIZE_MAX_TEXT_SIZE_IN_SP = 112;
     // Default value for the step size in pixels.
     private static final int DEFAULT_AUTO_SIZE_GRANULARITY_IN_PX = 1;
@@ -1308,7 +1314,7 @@
                     mHyphenationFrequency = a.getInt(attr, Layout.HYPHENATION_FREQUENCY_NONE);
                     break;
 
-                case com.android.internal.R.styleable.TextView_autoSizeText:
+                case com.android.internal.R.styleable.TextView_autoSizeTextType:
                     mAutoSizeTextType = a.getInt(attr, AUTO_SIZE_TEXT_TYPE_NONE);
                     break;
 
@@ -1660,7 +1666,7 @@
      *        {@link TextView#AUTO_SIZE_TEXT_TYPE_NONE} or
      *        {@link TextView#AUTO_SIZE_TEXT_TYPE_UNIFORM}
      *
-     * @attr ref android.R.styleable#TextView_autoSizeText
+     * @attr ref android.R.styleable#TextView_autoSizeTextType
      *
      * @see #getAutoSizeTextType()
      */
@@ -1709,7 +1715,7 @@
      *
      * @throws IllegalArgumentException if any of the configuration params are invalid.
      *
-     * @attr ref android.R.styleable#TextView_autoSizeText
+     * @attr ref android.R.styleable#TextView_autoSizeTextType
      * @attr ref android.R.styleable#TextView_autoSizeMinTextSize
      * @attr ref android.R.styleable#TextView_autoSizeMaxTextSize
      * @attr ref android.R.styleable#TextView_autoSizeStepGranularity
@@ -1753,7 +1759,7 @@
      *
      * @throws IllegalArgumentException if all of the <code>presetSizes</code> are invalid.
      *
-     * @attr ref android.R.styleable#TextView_autoSizeText
+     * @attr ref android.R.styleable#TextView_autoSizeTextType
      * @attr ref android.R.styleable#TextView_autoSizePresetSizes
      *
      * @see #setAutoSizeTextTypeWithDefaults(int)
@@ -1806,7 +1812,7 @@
      *         {@link TextView#AUTO_SIZE_TEXT_TYPE_NONE} or
      *         {@link TextView#AUTO_SIZE_TEXT_TYPE_UNIFORM}
      *
-     * @attr ref android.R.styleable#TextView_autoSizeText
+     * @attr ref android.R.styleable#TextView_autoSizeTextType
      *
      * @see #setAutoSizeTextTypeWithDefaults(int)
      * @see #setAutoSizeTextTypeUniformWithConfiguration(int, int, int, int)
diff --git a/core/java/android/widget/TimePickerSpinnerDelegate.java b/core/java/android/widget/TimePickerSpinnerDelegate.java
index 7ef54a5..20a5512 100644
--- a/core/java/android/widget/TimePickerSpinnerDelegate.java
+++ b/core/java/android/widget/TimePickerSpinnerDelegate.java
@@ -86,7 +86,7 @@
         inflater.inflate(layoutResourceId, mDelegator, true);
 
         // hour
-        mHourSpinner = (NumberPicker) delegator.findViewById(R.id.hour);
+        mHourSpinner = delegator.findViewById(R.id.hour);
         mHourSpinner.setOnValueChangedListener(new NumberPicker.OnValueChangeListener() {
             public void onValueChange(NumberPicker spinner, int oldVal, int newVal) {
                 updateInputState();
@@ -100,17 +100,17 @@
                 onTimeChanged();
             }
         });
-        mHourSpinnerInput = (EditText) mHourSpinner.findViewById(R.id.numberpicker_input);
+        mHourSpinnerInput = mHourSpinner.findViewById(R.id.numberpicker_input);
         mHourSpinnerInput.setImeOptions(EditorInfo.IME_ACTION_NEXT);
 
         // divider (only for the new widget style)
-        mDivider = (TextView) mDelegator.findViewById(R.id.divider);
+        mDivider = mDelegator.findViewById(R.id.divider);
         if (mDivider != null) {
             setDividerText();
         }
 
         // minute
-        mMinuteSpinner = (NumberPicker) mDelegator.findViewById(R.id.minute);
+        mMinuteSpinner = mDelegator.findViewById(R.id.minute);
         mMinuteSpinner.setMinValue(0);
         mMinuteSpinner.setMaxValue(59);
         mMinuteSpinner.setOnLongPressUpdateInterval(100);
@@ -138,7 +138,7 @@
                 onTimeChanged();
             }
         });
-        mMinuteSpinnerInput = (EditText) mMinuteSpinner.findViewById(R.id.numberpicker_input);
+        mMinuteSpinnerInput = mMinuteSpinner.findViewById(R.id.numberpicker_input);
         mMinuteSpinnerInput.setImeOptions(EditorInfo.IME_ACTION_NEXT);
 
         // Get the localized am/pm strings and use them in the spinner.
@@ -173,13 +173,13 @@
                     onTimeChanged();
                 }
             });
-            mAmPmSpinnerInput = (EditText) mAmPmSpinner.findViewById(R.id.numberpicker_input);
+            mAmPmSpinnerInput = mAmPmSpinner.findViewById(R.id.numberpicker_input);
             mAmPmSpinnerInput.setImeOptions(EditorInfo.IME_ACTION_DONE);
         }
 
         if (isAmPmAtStart()) {
             // Move the am/pm view to the beginning
-            ViewGroup amPmParent = (ViewGroup) delegator.findViewById(R.id.timePickerLayout);
+            ViewGroup amPmParent = delegator.findViewById(R.id.timePickerLayout);
             amPmParent.removeView(amPmView);
             amPmParent.addView(amPmView, 0);
             // Swap layout margins if needed. They may be not symmetrical (Old Standard Theme
diff --git a/core/java/android/widget/Toast.java b/core/java/android/widget/Toast.java
index 789e60b..bf0601d 100644
--- a/core/java/android/widget/Toast.java
+++ b/core/java/android/widget/Toast.java
@@ -299,7 +299,7 @@
         if (mNextView == null) {
             throw new RuntimeException("This Toast was not created with Toast.makeText()");
         }
-        TextView tv = (TextView) mNextView.findViewById(com.android.internal.R.id.message);
+        TextView tv = mNextView.findViewById(com.android.internal.R.id.message);
         if (tv == null) {
             throw new RuntimeException("This Toast was not created with Toast.makeText()");
         }
diff --git a/core/java/android/widget/ZoomButtonsController.java b/core/java/android/widget/ZoomButtonsController.java
index 69b79971..1a3ca86 100644
--- a/core/java/android/widget/ZoomButtonsController.java
+++ b/core/java/android/widget/ZoomButtonsController.java
@@ -264,7 +264,7 @@
                 .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
         inflater.inflate(com.android.internal.R.layout.zoom_container, container);
 
-        mControls = (ZoomControls) container.findViewById(com.android.internal.R.id.zoomControls);
+        mControls = container.findViewById(com.android.internal.R.id.zoomControls);
         mControls.setOnZoomInClickListener(new OnClickListener() {
             public void onClick(View v) {
                 dismissControlsDelayed(ZOOM_CONTROLS_TIMEOUT);
diff --git a/core/java/com/android/internal/app/ChooserActivity.java b/core/java/com/android/internal/app/ChooserActivity.java
index 84c8f7a..79301aa 100644
--- a/core/java/com/android/internal/app/ChooserActivity.java
+++ b/core/java/com/android/internal/app/ChooserActivity.java
@@ -23,15 +23,21 @@
 import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
+import android.content.IntentFilter;
 import android.content.IntentSender;
 import android.content.IntentSender.SendIntentException;
 import android.content.ServiceConnection;
 import android.content.SharedPreferences;
 import android.content.pm.ActivityInfo;
+import android.content.pm.ApplicationInfo;
 import android.content.pm.LabeledIntent;
+import android.content.pm.LauncherApps;
 import android.content.pm.PackageManager;
 import android.content.pm.PackageManager.NameNotFoundException;
+import android.content.pm.ParceledListSlice;
 import android.content.pm.ResolveInfo;
+import android.content.pm.ShortcutInfo;
+import android.content.pm.ShortcutManager;
 import android.database.DataSetObserver;
 import android.graphics.Color;
 import android.graphics.drawable.Drawable;
@@ -84,6 +90,14 @@
 public class ChooserActivity extends ResolverActivity {
     private static final String TAG = "ChooserActivity";
 
+    /**
+     * Boolean extra to change the following behavior: Normally, ChooserActivity finishes itself
+     * in onStop when launched in a new task. If this extra is set to true, we do not finish
+     * ourselves when onStop gets called.
+     */
+    public static final String EXTRA_PRIVATE_RETAIN_IN_ON_STOP
+            = "com.android.internal.app.ChooserActivity.EXTRA_PRIVATE_RETAIN_IN_ON_STOP";
+
     private static final boolean DEBUG = false;
 
     private static final int QUERY_TARGET_SERVICE_LIMIT = 5;
@@ -260,6 +274,7 @@
         }
 
         mPinnedSharedPrefs = getPinnedSharedPrefs(this);
+        setRetainInOnStop(intent.getBooleanExtra(EXTRA_PRIVATE_RETAIN_IN_ON_STOP, false));
         super.onCreate(savedInstanceState, target, title, defaultTitleRes, initialIntents,
                 null, false);
 
@@ -347,6 +362,7 @@
             mChooserListAdapter.addServiceResults(null, Lists.newArrayList(mCallerChooserTargets));
         }
         mChooserRowAdapter = new ChooserRowAdapter(mChooserListAdapter);
+        mChooserRowAdapter.updateRowScales();
         mChooserRowAdapter.registerDataSetObserver(new OffsetDataSetObserver(adapterView));
         adapterView.setAdapter(mChooserRowAdapter);
         if (listView != null) {
@@ -833,7 +849,9 @@
                 return false;
             }
             intent.setComponent(mChooserTarget.getComponentName());
-            intent.putExtras(mChooserTarget.getIntentExtras());
+            if (mChooserTarget.getIntentExtras() != null) {
+                intent.putExtras(mChooserTarget.getIntentExtras());
+            }
 
             // Important: we will ignore the target security checks in ActivityManager
             // if and only if the ChooserTarget's target package is the same package
@@ -916,6 +934,8 @@
         private static final int MAX_SERVICE_TARGETS = 8;
         private static final int MAX_TARGETS_PER_SERVICE = 4;
 
+        private boolean mAreChooserShortcutsRetrieved;
+
         private final List<ChooserTargetInfo> mServiceTargets = new ArrayList<>();
         private final List<TargetInfo> mCallerTargets = new ArrayList<>();
         private boolean mShowServiceTargets;
@@ -1007,6 +1027,20 @@
             if (mServiceTargets != null) {
                 pruneServiceTargets();
             }
+
+            if (DEBUG) Log.d(TAG, "Adding pushed chooser targets");
+
+            if (!mAreChooserShortcutsRetrieved) {
+                LauncherApps launcherApps = getLauncherApps();
+                LauncherApps.ShortcutQuery query = new LauncherApps.ShortcutQuery();
+                query.setIntent(getTargetIntent());
+                query.setQueryFlags(LauncherApps.ShortcutQuery.FLAG_MATCH_CHOOSER);
+                List<ShortcutInfo> shortcuts = launcherApps.getShortcuts(query, UserHandle.SYSTEM);
+                if (DEBUG) Log.d(TAG, "Adding " + shortcuts.size() + " chooser shortcuts");
+                addShortcuts(shortcuts);
+                mAreChooserShortcutsRetrieved = true;
+            }
+
             if (DEBUG) Log.d(TAG, "List built querying services");
             queryTargetServices(this);
         }
@@ -1032,6 +1066,7 @@
 
         public int getServiceTargetCount() {
             if (!mShowServiceTargets) {
+                if (DEBUG) Log.d("TAG", "Hiding service targets");
                 return 0;
             }
             return Math.min(mServiceTargets.size(), MAX_SERVICE_TARGETS);
@@ -1123,6 +1158,71 @@
             notifyDataSetChanged();
         }
 
+        // TODO: Pushed targets need to be scored correctly
+        public void addShortcuts(List<ShortcutInfo> infos) {
+            for (ShortcutInfo info : infos) {
+                List<ChooserTarget> newTargets = new ArrayList<>();
+                final ComponentName cn = info.getActivity();
+                ActivityInfo ai;
+                ResolveInfo ri = new ResolveInfo();
+                if (cn != null) {
+                    try {
+                        ai = getPackageManager().getActivityInfo(cn, 0);
+                        ri.activityInfo = ai;
+                        UserManager userManager =
+                                (UserManager) getSystemService(Context.USER_SERVICE);
+                        ri.iconResourceId = ai.icon;
+                        ri.labelRes = ai.labelRes;
+                        ri.resolvePackageName = ai.packageName;
+                        ri.activityInfo.applicationInfo = new ApplicationInfo(
+                                ri.activityInfo.applicationInfo);
+                        ri.activityInfo.applicationInfo = ai.applicationInfo;
+                        ri.activityInfo.applicationInfo.uid = getUserId();
+                    } catch (PackageManager.NameNotFoundException ignored) {
+                        if (DEBUG) Log.d(TAG, "Package not found, skipping this shortcut");
+                        continue;
+                    }
+                }
+
+                DisplayResolveInfo resolveInfo = new DisplayResolveInfo(getTargetIntent(),
+                        ri,
+                        info.getShortLabel(),
+                        info.getLongLabel(),
+                        getTargetIntent());
+
+                int bestMatch = 0;
+                ComponentName bestComponent = null;
+                for (int i = 0; i < info.getChooserIntentFilters().length; i++) {
+                    int newMatch = info.getChooserIntentFilters()[i]
+                            .match(getContentResolver(), getTargetIntent(), false, TAG);
+                    if (DEBUG) Log.d(TAG, "A match was found with value: " + newMatch);
+                    if (newMatch > bestMatch) {
+                        bestMatch = newMatch;
+                        bestComponent = info.getChooserComponentNames()[i];
+                    }
+                }
+                if (bestMatch == 0) {
+                    Log.e(TAG, "Unexpectedly, no match was found for the provided chooser intent");
+                    return;
+                }
+
+                Bundle extrasToAdd =
+                        info.getChooserExtras() == null ? null: new Bundle(info.getChooserExtras());
+                if (DEBUG) Log.d(TAG, "Adding service target " + info.getShortLabel());
+                newTargets.add(new ChooserTarget(
+                        info.getShortLabel(),
+                        info.getIcon(),
+                        1,
+                        bestComponent,
+                        extrasToAdd));
+                addServiceResults(resolveInfo, newTargets);
+            }
+            if (mChooserRowAdapter != null) {
+                mChooserRowAdapter.updateRowScales();
+            }
+            setShowServiceTargets(true);
+        }
+
         /**
          * Set to true to reveal all service targets at once.
          */
@@ -1237,37 +1337,7 @@
                 @Override
                 public void onChanged() {
                     super.onChanged();
-                    final int rcount = getServiceTargetRowCount();
-                    if (mServiceTargetScale == null
-                            || mServiceTargetScale.length != rcount) {
-                        RowScale[] old = mServiceTargetScale;
-                        int oldRCount = old != null ? old.length : 0;
-                        mServiceTargetScale = new RowScale[rcount];
-                        if (old != null && rcount > 0) {
-                            System.arraycopy(old, 0, mServiceTargetScale, 0,
-                                    Math.min(old.length, rcount));
-                        }
-
-                        for (int i = rcount; i < oldRCount; i++) {
-                            old[i].cancelAnimation();
-                        }
-
-                        for (int i = oldRCount; i < rcount; i++) {
-                            final RowScale rs = new RowScale(ChooserRowAdapter.this, 0.f, 1.f)
-                                    .setInterpolator(mInterpolator);
-                            mServiceTargetScale[i] = rs;
-                        }
-
-                        // Start the animations in a separate loop.
-                        // The process of starting animations will result in
-                        // binding views to set up initial values, and we must
-                        // have ALL of the new RowScale objects created above before
-                        // we get started.
-                        for (int i = oldRCount; i < rcount; i++) {
-                            mServiceTargetScale[i].startAnimation();
-                        }
-                    }
-
+                    updateRowScales();
                     notifyDataSetChanged();
                 }
 
@@ -1284,6 +1354,40 @@
             });
         }
 
+         void updateRowScales() {
+            final int rcount = getServiceTargetRowCount();
+            if (mServiceTargetScale == null
+                    || mServiceTargetScale.length != rcount) {
+                if (DEBUG) Log.d(TAG, "Row scales need adjusting to " + rcount + " rows.");
+                RowScale[] old = mServiceTargetScale;
+                int oldRCount = old != null ? old.length : 0;
+                mServiceTargetScale = new RowScale[rcount];
+                if (old != null && rcount > 0) {
+                    System.arraycopy(old, 0, mServiceTargetScale, 0,
+                            Math.min(old.length, rcount));
+                }
+
+                for (int i = rcount; i < oldRCount; i++) {
+                    old[i].cancelAnimation();
+                }
+
+                for (int i = oldRCount; i < rcount; i++) {
+                    final RowScale rs = new RowScale(ChooserRowAdapter.this, 0.f, 1.f)
+                            .setInterpolator(mInterpolator);
+                    mServiceTargetScale[i] = rs;
+                }
+
+                // Start the animations in a separate loop.
+                // The process of starting animations will result in
+                // binding views to set up initial values, and we must
+                // have ALL of the new RowScale objects created above before
+                // we get started.
+                for (int i = oldRCount; i < rcount; i++) {
+                    mServiceTargetScale[i].startAnimation();
+                }
+            }
+        }
+
         private float getRowScale(int rowPosition) {
             final int start = getCallerTargetRowCount();
             final int end = start + getServiceTargetRowCount();
@@ -1554,6 +1658,10 @@
         }
     }
 
+    public LauncherApps getLauncherApps() {
+        return (LauncherApps) getSystemService(Context.LAUNCHER_APPS_SERVICE);
+    }
+
     static class ServiceResultInfo {
         public final DisplayResolveInfo originalTarget;
         public final List<ChooserTarget> resultTargets;
diff --git a/core/java/com/android/internal/app/ResolverActivity.java b/core/java/com/android/internal/app/ResolverActivity.java
index aa6f18f..3f1c9ad 100644
--- a/core/java/com/android/internal/app/ResolverActivity.java
+++ b/core/java/com/android/internal/app/ResolverActivity.java
@@ -116,6 +116,10 @@
     private Runnable mPostListReadyRunnable;
 
     private boolean mRegistered;
+
+    /** See {@link #setRetainInOnStop}. */
+    private boolean mRetainInOnStop;
+
     private final PackageMonitor mPackageMonitor = new PackageMonitor() {
         @Override public void onSomePackagesChanged() {
             mAdapter.handlePackagesChanged();
@@ -502,7 +506,7 @@
         }
         final Intent intent = getIntent();
         if ((intent.getFlags() & FLAG_ACTIVITY_NEW_TASK) != 0 && !isVoiceInteraction()
-                && !mResolvingHome) {
+                && !mResolvingHome && !mRetainInOnStop) {
             // This resolver is in the unusual situation where it has been
             // launched at the top of a new task.  We don't let it be added
             // to the recent tasks shown to the user, and we need to make sure
@@ -1026,6 +1030,14 @@
     }
 
     /**
+     * If {@code retainInOnStop} is set to true, we will not finish ourselves when onStop gets
+     * called and we are launched in a new task.
+     */
+    protected void setRetainInOnStop(boolean retainInOnStop) {
+        mRetainInOnStop = retainInOnStop;
+    }
+
+    /**
      * Check a simple match for the component of two ResolveInfos.
      */
     static boolean resolveInfoMatch(ResolveInfo lhs, ResolveInfo rhs) {
diff --git a/core/java/com/android/internal/content/FileSystemProvider.java b/core/java/com/android/internal/content/FileSystemProvider.java
new file mode 100644
index 0000000..3ac5a72
--- /dev/null
+++ b/core/java/com/android/internal/content/FileSystemProvider.java
@@ -0,0 +1,487 @@
+/*
+ * Copyright (C) 2017 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.content;
+
+import android.annotation.CallSuper;
+import android.content.ContentResolver;
+import android.content.Intent;
+import android.content.res.AssetFileDescriptor;
+import android.database.Cursor;
+import android.database.MatrixCursor;
+import android.database.MatrixCursor.RowBuilder;
+import android.graphics.Point;
+import android.net.Uri;
+import android.os.CancellationSignal;
+import android.os.FileObserver;
+import android.os.FileUtils;
+import android.os.Handler;
+import android.os.ParcelFileDescriptor;
+import android.provider.DocumentsContract;
+import android.provider.DocumentsContract.Document;
+import android.provider.DocumentsProvider;
+import android.provider.MediaStore;
+import android.text.TextUtils;
+import android.util.ArrayMap;
+import android.util.Log;
+import android.webkit.MimeTypeMap;
+
+import com.android.internal.annotations.GuardedBy;
+
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Set;
+
+/**
+ * A helper class for {@link android.provider.DocumentsProvider} to perform file operations on local
+ * files.
+ */
+public abstract class FileSystemProvider extends DocumentsProvider {
+
+    private static final String TAG = "FileSystemProvider";
+
+    private static final boolean LOG_INOTIFY = false;
+
+    private String[] mDefaultProjection;
+
+    @GuardedBy("mObservers")
+    private final ArrayMap<File, DirectoryObserver> mObservers = new ArrayMap<>();
+
+    private Handler mHandler;
+
+    protected abstract File getFileForDocId(String docId, boolean visible)
+            throws FileNotFoundException;
+
+    protected abstract String getDocIdForFile(File file) throws FileNotFoundException;
+
+    protected abstract Uri buildNotificationUri(String docId);
+
+    @Override
+    public boolean onCreate() {
+        throw new UnsupportedOperationException(
+                "Subclass should override this and call onCreate(defaultDocumentProjection)");
+    }
+
+    @CallSuper
+    protected void onCreate(String[] defaultProjection) {
+        mHandler = new Handler();
+        mDefaultProjection = defaultProjection;
+    }
+
+    @Override
+    public boolean isChildDocument(String parentDocId, String docId) {
+        try {
+            final File parent = getFileForDocId(parentDocId).getCanonicalFile();
+            final File doc = getFileForDocId(docId).getCanonicalFile();
+            return FileUtils.contains(parent, doc);
+        } catch (IOException e) {
+            throw new IllegalArgumentException(
+                    "Failed to determine if " + docId + " is child of " + parentDocId + ": " + e);
+        }
+    }
+
+    protected final List<String> findDocumentPath(File parent, File doc)
+            throws FileNotFoundException {
+
+        if (!doc.exists()) {
+            throw new FileNotFoundException(doc + " is not found.");
+        }
+
+        if (!FileUtils.contains(parent, doc)) {
+            throw new FileNotFoundException(doc + " is not found under " + parent);
+        }
+
+        LinkedList<String> path = new LinkedList<>();
+        while (doc != null && FileUtils.contains(parent, doc)) {
+            path.addFirst(getDocIdForFile(doc));
+
+            doc = doc.getParentFile();
+        }
+
+        return path;
+    }
+
+    @Override
+    public String createDocument(String docId, String mimeType, String displayName)
+            throws FileNotFoundException {
+        displayName = FileUtils.buildValidFatFilename(displayName);
+
+        final File parent = getFileForDocId(docId);
+        if (!parent.isDirectory()) {
+            throw new IllegalArgumentException("Parent document isn't a directory");
+        }
+
+        final File file = FileUtils.buildUniqueFile(parent, mimeType, displayName);
+        if (Document.MIME_TYPE_DIR.equals(mimeType)) {
+            if (!file.mkdir()) {
+                throw new IllegalStateException("Failed to mkdir " + file);
+            }
+        } else {
+            try {
+                if (!file.createNewFile()) {
+                    throw new IllegalStateException("Failed to touch " + file);
+                }
+            } catch (IOException e) {
+                throw new IllegalStateException("Failed to touch " + file + ": " + e);
+            }
+        }
+
+        return getDocIdForFile(file);
+    }
+
+    @Override
+    public String renameDocument(String docId, String displayName) throws FileNotFoundException {
+        // Since this provider treats renames as generating a completely new
+        // docId, we're okay with letting the MIME type change.
+        displayName = FileUtils.buildValidFatFilename(displayName);
+
+        final File before = getFileForDocId(docId);
+        final File after = FileUtils.buildUniqueFile(before.getParentFile(), displayName);
+        final File visibleFileBefore = getFileForDocId(docId, true);
+        if (!before.renameTo(after)) {
+            throw new IllegalStateException("Failed to rename to " + after);
+        }
+        removeFromMediaStore(visibleFileBefore);
+
+        final String afterDocId = getDocIdForFile(after);
+        scanFile(getFileForDocId(afterDocId, true));
+
+        if (!TextUtils.equals(docId, afterDocId)) {
+            return afterDocId;
+        } else {
+            return null;
+        }
+    }
+
+    @Override
+    public void deleteDocument(String docId) throws FileNotFoundException {
+        final File file = getFileForDocId(docId);
+        final File visibleFile = getFileForDocId(docId, true);
+
+        final boolean isDirectory = file.isDirectory();
+        if (isDirectory) {
+            FileUtils.deleteContents(file);
+        }
+        if (!file.delete()) {
+            throw new IllegalStateException("Failed to delete " + file);
+        }
+
+        removeFromMediaStore(visibleFile);
+    }
+
+    @Override
+    public String moveDocument(String sourceDocumentId, String sourceParentDocumentId,
+            String targetParentDocumentId)
+            throws FileNotFoundException {
+        final File before = getFileForDocId(sourceDocumentId);
+        final File after = new File(getFileForDocId(targetParentDocumentId), before.getName());
+        final File visibleFileBefore = getFileForDocId(sourceDocumentId, true);
+
+        if (after.exists()) {
+            throw new IllegalStateException("Already exists " + after);
+        }
+        if (!before.renameTo(after)) {
+            throw new IllegalStateException("Failed to move to " + after);
+        }
+
+        // Notify media store to update its content
+        removeFromMediaStore(visibleFileBefore);
+        final String docId = getDocIdForFile(after);
+        scanFile(getFileForDocId(docId, true));
+
+        return docId;
+    }
+
+    private void removeFromMediaStore(File visibleFile) throws FileNotFoundException {
+        if (visibleFile != null) {
+            final ContentResolver resolver = getContext().getContentResolver();
+            final Uri externalUri = MediaStore.Files.getContentUri("external");
+
+            // Remove media store entries for any files inside this directory, using
+            // path prefix match. Logic borrowed from MtpDatabase.
+            if (visibleFile.isDirectory()) {
+                final String path = visibleFile.getAbsolutePath() + "/";
+                resolver.delete(externalUri,
+                        "_data LIKE ?1 AND lower(substr(_data,1,?2))=lower(?3)",
+                        new String[] { path + "%", Integer.toString(path.length()), path });
+            }
+
+            // Remove media store entry for this exact file.
+            final String path = visibleFile.getAbsolutePath();
+            resolver.delete(externalUri,
+                    "_data LIKE ?1 AND lower(_data)=lower(?2)",
+                    new String[] { path, path });
+        }
+    }
+
+    @Override
+    public Cursor queryDocument(String documentId, String[] projection)
+            throws FileNotFoundException {
+        final MatrixCursor result = new MatrixCursor(resolveProjection(projection));
+        includeFile(result, documentId, null);
+        return result;
+    }
+
+    @Override
+    public Cursor queryChildDocuments(
+            String parentDocumentId, String[] projection, String sortOrder)
+            throws FileNotFoundException {
+
+        final File parent = getFileForDocId(parentDocumentId);
+        final MatrixCursor result = new DirectoryCursor(
+                resolveProjection(projection), parentDocumentId, parent);
+        for (File file : parent.listFiles()) {
+            includeFile(result, null, file);
+        }
+        return result;
+    }
+
+    /**
+     * Searches documents under the given folder.
+     *
+     * To avoid runtime explosion only returns the at most 23 items.
+     *
+     * @param folder the root folder where recursive search begins
+     * @param query the search condition used to match file names
+     * @param projection projection of the returned cursor
+     * @param exclusion absolute file paths to exclude from result
+     * @return cursor containing search result
+     * @throws FileNotFoundException when root folder doesn't exist or search fails
+     */
+    protected final Cursor querySearchDocuments(
+            File folder, String query, String[] projection, Set<String> exclusion)
+            throws FileNotFoundException {
+
+        query = query.toLowerCase();
+        final MatrixCursor result = new MatrixCursor(resolveProjection(projection));
+        final LinkedList<File> pending = new LinkedList<>();
+        pending.add(folder);
+        while (!pending.isEmpty() && result.getCount() < 24) {
+            final File file = pending.removeFirst();
+            if (file.isDirectory()) {
+                for (File child : file.listFiles()) {
+                    pending.add(child);
+                }
+            }
+            if (file.getName().toLowerCase().contains(query)
+                    && !exclusion.contains(file.getAbsolutePath())) {
+                includeFile(result, null, file);
+            }
+        }
+        return result;
+    }
+
+    @Override
+    public String getDocumentType(String documentId) throws FileNotFoundException {
+        final File file = getFileForDocId(documentId);
+        return getTypeForFile(file);
+    }
+
+    @Override
+    public ParcelFileDescriptor openDocument(
+            String documentId, String mode, CancellationSignal signal)
+            throws FileNotFoundException {
+        final File file = getFileForDocId(documentId);
+        final File visibleFile = getFileForDocId(documentId, true);
+
+        final int pfdMode = ParcelFileDescriptor.parseMode(mode);
+        if (pfdMode == ParcelFileDescriptor.MODE_READ_ONLY || visibleFile == null) {
+            return ParcelFileDescriptor.open(file, pfdMode);
+        } else {
+            try {
+                // When finished writing, kick off media scanner
+                return ParcelFileDescriptor.open(
+                        file, pfdMode, mHandler, (IOException e) -> scanFile(visibleFile));
+            } catch (IOException e) {
+                throw new FileNotFoundException("Failed to open for writing: " + e);
+            }
+        }
+    }
+
+    private void scanFile(File visibleFile) {
+        final Intent intent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
+        intent.setData(Uri.fromFile(visibleFile));
+        getContext().sendBroadcast(intent);
+    }
+
+    @Override
+    public AssetFileDescriptor openDocumentThumbnail(
+            String documentId, Point sizeHint, CancellationSignal signal)
+            throws FileNotFoundException {
+        final File file = getFileForDocId(documentId);
+        return DocumentsContract.openImageThumbnail(file);
+    }
+
+    protected RowBuilder includeFile(MatrixCursor result, String docId, File file)
+            throws FileNotFoundException {
+        if (docId == null) {
+            docId = getDocIdForFile(file);
+        } else {
+            file = getFileForDocId(docId);
+        }
+
+        int flags = 0;
+
+        if (file.canWrite()) {
+            if (file.isDirectory()) {
+                flags |= Document.FLAG_DIR_SUPPORTS_CREATE;
+                flags |= Document.FLAG_SUPPORTS_DELETE;
+                flags |= Document.FLAG_SUPPORTS_RENAME;
+                flags |= Document.FLAG_SUPPORTS_MOVE;
+            } else {
+                flags |= Document.FLAG_SUPPORTS_WRITE;
+                flags |= Document.FLAG_SUPPORTS_DELETE;
+                flags |= Document.FLAG_SUPPORTS_RENAME;
+                flags |= Document.FLAG_SUPPORTS_MOVE;
+            }
+        }
+
+        final String mimeType = getTypeForFile(file);
+        final String displayName = file.getName();
+        if (mimeType.startsWith("image/")) {
+            flags |= Document.FLAG_SUPPORTS_THUMBNAIL;
+        }
+
+        final RowBuilder row = result.newRow();
+        row.add(Document.COLUMN_DOCUMENT_ID, docId);
+        row.add(Document.COLUMN_DISPLAY_NAME, displayName);
+        row.add(Document.COLUMN_SIZE, file.length());
+        row.add(Document.COLUMN_MIME_TYPE, mimeType);
+        row.add(Document.COLUMN_FLAGS, flags);
+
+        // Only publish dates reasonably after epoch
+        long lastModified = file.lastModified();
+        if (lastModified > 31536000000L) {
+            row.add(Document.COLUMN_LAST_MODIFIED, lastModified);
+        }
+
+        // Return the row builder just in case any subclass want to add more stuff to it.
+        return row;
+    }
+
+    private static String getTypeForFile(File file) {
+        if (file.isDirectory()) {
+            return Document.MIME_TYPE_DIR;
+        } else {
+            return getTypeForName(file.getName());
+        }
+    }
+
+    private static String getTypeForName(String name) {
+        final int lastDot = name.lastIndexOf('.');
+        if (lastDot >= 0) {
+            final String extension = name.substring(lastDot + 1).toLowerCase();
+            final String mime = MimeTypeMap.getSingleton().getMimeTypeFromExtension(extension);
+            if (mime != null) {
+                return mime;
+            }
+        }
+
+        return "application/octet-stream";
+    }
+
+    protected final File getFileForDocId(String docId) throws FileNotFoundException {
+        return getFileForDocId(docId, false);
+    }
+
+    private String[] resolveProjection(String[] projection) {
+        return projection == null ? mDefaultProjection : projection;
+    }
+
+    private void startObserving(File file, Uri notifyUri) {
+        synchronized (mObservers) {
+            DirectoryObserver observer = mObservers.get(file);
+            if (observer == null) {
+                observer = new DirectoryObserver(
+                        file, getContext().getContentResolver(), notifyUri);
+                observer.startWatching();
+                mObservers.put(file, observer);
+            }
+            observer.mRefCount++;
+
+            if (LOG_INOTIFY) Log.d(TAG, "after start: " + observer);
+        }
+    }
+
+    private void stopObserving(File file) {
+        synchronized (mObservers) {
+            DirectoryObserver observer = mObservers.get(file);
+            if (observer == null) return;
+
+            observer.mRefCount--;
+            if (observer.mRefCount == 0) {
+                mObservers.remove(file);
+                observer.stopWatching();
+            }
+
+            if (LOG_INOTIFY) Log.d(TAG, "after stop: " + observer);
+        }
+    }
+
+    private static class DirectoryObserver extends FileObserver {
+        private static final int NOTIFY_EVENTS = ATTRIB | CLOSE_WRITE | MOVED_FROM | MOVED_TO
+                | CREATE | DELETE | DELETE_SELF | MOVE_SELF;
+
+        private final File mFile;
+        private final ContentResolver mResolver;
+        private final Uri mNotifyUri;
+
+        private int mRefCount = 0;
+
+        public DirectoryObserver(File file, ContentResolver resolver, Uri notifyUri) {
+            super(file.getAbsolutePath(), NOTIFY_EVENTS);
+            mFile = file;
+            mResolver = resolver;
+            mNotifyUri = notifyUri;
+        }
+
+        @Override
+        public void onEvent(int event, String path) {
+            if ((event & NOTIFY_EVENTS) != 0) {
+                if (LOG_INOTIFY) Log.d(TAG, "onEvent() " + event + " at " + path);
+                mResolver.notifyChange(mNotifyUri, null, false);
+            }
+        }
+
+        @Override
+        public String toString() {
+            return "DirectoryObserver{file=" + mFile.getAbsolutePath() + ", ref=" + mRefCount + "}";
+        }
+    }
+
+    private class DirectoryCursor extends MatrixCursor {
+        private final File mFile;
+
+        public DirectoryCursor(String[] columnNames, String docId, File file) {
+            super(columnNames);
+
+            final Uri notifyUri = buildNotificationUri(docId);
+            setNotificationUri(getContext().getContentResolver(), notifyUri);
+
+            mFile = file;
+            startObserving(mFile, notifyUri);
+        }
+
+        @Override
+        public void close() {
+            super.close();
+            stopObserving(mFile);
+        }
+    }
+}
diff --git a/core/java/com/android/internal/view/menu/ListMenuItemView.java b/core/java/com/android/internal/view/menu/ListMenuItemView.java
index 43005e6..919cf99 100644
--- a/core/java/com/android/internal/view/menu/ListMenuItemView.java
+++ b/core/java/com/android/internal/view/menu/ListMenuItemView.java
@@ -115,7 +115,6 @@
         setEnabled(itemData.isEnabled());
         setSubMenuArrowVisible(itemData.hasSubMenu());
         setContentDescription(itemData.getContentDescription());
-        setTooltipText(itemData.getTooltipText());
     }
 
     public void setForceShowIcon(boolean forceShow) {
diff --git a/core/java/com/android/internal/widget/FloatingToolbar.java b/core/java/com/android/internal/widget/FloatingToolbar.java
index 817b186..79b0cd1 100644
--- a/core/java/com/android/internal/widget/FloatingToolbar.java
+++ b/core/java/com/android/internal/widget/FloatingToolbar.java
@@ -1195,6 +1195,8 @@
                     }
 
                     setButtonTagAndClickListener(menuItemButton, menuItem);
+                    // Set tooltips for main panel items, but not overflow items (b/35726766).
+                    menuItemButton.setTooltipText(menuItem.getTooltipText());
                     mMainPanel.addView(menuItemButton);
                     final ViewGroup.LayoutParams params = menuItemButton.getLayoutParams();
                     params.width = menuItemButtonWidth + extraPadding / 2;
@@ -1635,7 +1637,6 @@
                 buttonText.setPaddingRelative(iconTextSpacing, 0, 0, 0);
             }
         }
-        menuItemButton.setTooltipText(menuItem.getTooltipText());
         final CharSequence contentDescription = menuItem.getContentDescription();
         if (TextUtils.isEmpty(contentDescription)) {
             menuItemButton.setContentDescription(menuItem.getTitle());
diff --git a/core/java/com/android/internal/widget/WatchHeaderListView.java b/core/java/com/android/internal/widget/WatchHeaderListView.java
index 7e91537..0654454 100644
--- a/core/java/com/android/internal/widget/WatchHeaderListView.java
+++ b/core/java/com/android/internal/widget/WatchHeaderListView.java
@@ -91,13 +91,14 @@
     }
 
     @Override
-    protected View findViewByPredicateTraversal(Predicate<View> predicate, View childToSkip) {
+    protected <T extends View> T findViewByPredicateTraversal(
+            Predicate<View> predicate, View childToSkip) {
         View v = super.findViewByPredicateTraversal(predicate, childToSkip);
         if (v == null && mTopPanel != null && mTopPanel != childToSkip
                 && !mTopPanel.isRootNamespace()) {
-            return mTopPanel.findViewByPredicate(predicate);
+            return (T) mTopPanel.findViewByPredicate(predicate);
         }
-        return v;
+        return (T) v;
     }
 
     @Override
diff --git a/core/jni/android/graphics/FontFamily.cpp b/core/jni/android/graphics/FontFamily.cpp
index c090a75..49024b6 100644
--- a/core/jni/android/graphics/FontFamily.cpp
+++ b/core/jni/android/graphics/FontFamily.cpp
@@ -63,27 +63,27 @@
         return 0;
     }
     NativeFamilyBuilder* builder = reinterpret_cast<NativeFamilyBuilder*>(builderPtr);
-    minikin::FontFamily* family = new minikin::FontFamily(
-            builder->langId, builder->variant, std::move(builder->fonts));
+    FontFamilyWrapper* family = new FontFamilyWrapper(
+            std::make_shared<minikin::FontFamily>(
+                    builder->langId, builder->variant, std::move(builder->fonts)));
     delete builder;
     return reinterpret_cast<jlong>(family);
 }
 
 static void FontFamily_abort(jlong builderPtr) {
     NativeFamilyBuilder* builder = reinterpret_cast<NativeFamilyBuilder*>(builderPtr);
-    minikin::Font::clearElementsWithLock(&builder->fonts);
     delete builder;
 }
 
 static void FontFamily_unref(jlong familyPtr) {
-    minikin::FontFamily* fontFamily = reinterpret_cast<minikin::FontFamily*>(familyPtr);
-    fontFamily->Unref();
+    FontFamilyWrapper* family = reinterpret_cast<FontFamilyWrapper*>(familyPtr);
+    delete family;
 }
 
 static void addSkTypeface(jlong builderPtr, sk_sp<SkTypeface> face, const void* fontData,
         size_t fontSize, int ttcIndex, jint givenWeight, jboolean givenItalic) {
-    minikin::MinikinFont* minikinFont =
-            new MinikinFontSkia(std::move(face), fontData, fontSize, ttcIndex,
+    std::shared_ptr<minikin::MinikinFont> minikinFont =
+            std::make_shared<MinikinFontSkia>(std::move(face), fontData, fontSize, ttcIndex,
                     std::vector<minikin::FontVariation>());
     NativeFamilyBuilder* builder = reinterpret_cast<NativeFamilyBuilder*>(builderPtr);
     int weight = givenWeight / 100;
@@ -96,8 +96,8 @@
         }
     }
 
-    builder->fonts.push_back(minikin::Font(minikinFont, minikin::FontStyle(weight, italic)));
-    minikinFont->Unref();
+    builder->fonts.push_back(minikin::Font(
+            std::move(minikinFont), minikin::FontStyle(weight, italic)));
 }
 
 static void release_global_ref(const void* /*data*/, void* context) {
@@ -208,13 +208,12 @@
         ALOGE("addFont failed to create font, invalid request");
         return false;
     }
-    minikin::MinikinFont* minikinFont =
-            new MinikinFontSkia(std::move(face), fontPtr, fontSize, ttcIndex,
+    std::shared_ptr<minikin::MinikinFont> minikinFont =
+            std::make_shared<MinikinFontSkia>(std::move(face), fontPtr, fontSize, ttcIndex,
                     std::vector<minikin::FontVariation>());
     NativeFamilyBuilder* builder = reinterpret_cast<NativeFamilyBuilder*>(builderPtr);
-    builder->fonts.push_back(minikin::Font(minikinFont,
+    builder->fonts.push_back(minikin::Font(std::move(minikinFont),
             minikin::FontStyle(weight / 100, isItalic)));
-    minikinFont->Unref();
     return true;
 }
 
diff --git a/core/jni/android/graphics/FontUtils.h b/core/jni/android/graphics/FontUtils.h
index 8f44b1e..9eaaa49 100644
--- a/core/jni/android/graphics/FontUtils.h
+++ b/core/jni/android/graphics/FontUtils.h
@@ -18,9 +18,19 @@
 #define _ANDROID_GRAPHICS_FONT_UTILS_H_
 
 #include <jni.h>
+#include <memory>
+
+namespace minikin {
+class FontFamily;
+}  // namespace minikin
 
 namespace android {
 
+struct FontFamilyWrapper {
+  FontFamilyWrapper(std::shared_ptr<minikin::FontFamily>&& family) : family(family) {}
+  std::shared_ptr<minikin::FontFamily> family;
+};
+
 // Utility wrapper for java.util.List
 class ListHelper {
 public:
diff --git a/core/jni/android/graphics/Paint.cpp b/core/jni/android/graphics/Paint.cpp
index bdf79d3..1846237 100644
--- a/core/jni/android/graphics/Paint.cpp
+++ b/core/jni/android/graphics/Paint.cpp
@@ -300,8 +300,8 @@
 
     static void getTextPath(JNIEnv* env, Paint* paint, Typeface* typeface, const jchar* text,
             jint count, jint bidiFlags, jfloat x, jfloat y, SkPath* path) {
-        minikin::Layout layout;
-        MinikinUtils::doLayout(&layout, paint, bidiFlags, typeface, text, 0, count, count);
+        minikin::Layout layout = MinikinUtils::doLayout(
+                paint, bidiFlags, typeface, text, 0, count, count);
         size_t nGlyphs = layout.nGlyphs();
         uint16_t* glyphs = new uint16_t[nGlyphs];
         SkPoint* pos = new SkPoint[nGlyphs];
@@ -344,8 +344,8 @@
         SkRect  r;
         SkIRect ir;
 
-        minikin::Layout layout;
-        MinikinUtils::doLayout(&layout, &paint, bidiFlags, typeface, text, 0, count, count);
+        minikin::Layout layout = MinikinUtils::doLayout(
+                &paint, bidiFlags, typeface, text, 0, count, count);
         minikin::MinikinRect rect;
         layout.getBounds(&rect);
         r.fLeft = rect.mLeft;
@@ -459,9 +459,8 @@
             nChars++;
             prevCp = cp;
         }
-        minikin::Layout layout;
-        MinikinUtils::doLayout(&layout, paint, bidiFlags, typeface, str.get(), 0, str.size(),
-                str.size());
+        minikin::Layout layout = MinikinUtils::doLayout(
+                paint, bidiFlags, typeface, str.get(), 0, str.size(), str.size());
         size_t nGlyphs = countNonSpaceGlyphs(layout);
         if (nGlyphs != 1 && nChars > 1) {
             // multiple-character input, and was not a ligature
@@ -480,8 +479,8 @@
             // since ZZ is reserved for unknown or invalid territory.
             // U+1F1FF (REGIONAL INDICATOR SYMBOL LETTER Z) is \uD83C\uDDFF in UTF16.
             static const jchar ZZ_FLAG_STR[] = { 0xD83C, 0xDDFF, 0xD83C, 0xDDFF };
-            minikin::Layout zzLayout;
-            MinikinUtils::doLayout(&zzLayout, paint, bidiFlags, typeface, ZZ_FLAG_STR, 0, 4, 4);
+            minikin::Layout zzLayout = MinikinUtils::doLayout(
+                    paint, bidiFlags, typeface, ZZ_FLAG_STR, 0, 4, 4);
             if (zzLayout.nGlyphs() != 1 || layoutContainsNotdef(zzLayout)) {
                 // The font collection doesn't have a glyph for unknown flag. Just return true.
                 return true;
diff --git a/core/jni/android/graphics/Typeface.cpp b/core/jni/android/graphics/Typeface.cpp
index 0a0fce3e..0cdc74f 100644
--- a/core/jni/android/graphics/Typeface.cpp
+++ b/core/jni/android/graphics/Typeface.cpp
@@ -67,9 +67,7 @@
 
 static void Typeface_unref(JNIEnv* env, jobject obj, jlong faceHandle) {
     Typeface* face = reinterpret_cast<Typeface*>(faceHandle);
-    if (face != NULL) {
-        face->unref();
-    }
+    delete face;
 }
 
 static jint Typeface_getStyle(JNIEnv* env, jobject obj, jlong faceHandle) {
@@ -79,12 +77,13 @@
 
 static jlong Typeface_createFromArray(JNIEnv *env, jobject, jlongArray familyArray) {
     ScopedLongArrayRO families(env, familyArray);
-    std::vector<minikin::FontFamily*> familyVec;
+    std::vector<std::shared_ptr<minikin::FontFamily>> familyVec;
+    familyVec.reserve(families.size());
     for (size_t i = 0; i < families.size(); i++) {
-        minikin::FontFamily* family = reinterpret_cast<minikin::FontFamily*>(families[i]);
-        familyVec.push_back(family);
+        FontFamilyWrapper* family = reinterpret_cast<FontFamilyWrapper*>(families[i]);
+        familyVec.emplace_back(family->family);
     }
-    return reinterpret_cast<jlong>(Typeface::createFromFamilies(familyVec));
+    return reinterpret_cast<jlong>(Typeface::createFromFamilies(std::move(familyVec)));
 }
 
 static void Typeface_setDefault(JNIEnv *env, jobject, jlong faceHandle) {
diff --git a/core/jni/android_hardware_HardwareBuffer.cpp b/core/jni/android_hardware_HardwareBuffer.cpp
index b26b6e1..b91bd5c 100644
--- a/core/jni/android_hardware_HardwareBuffer.cpp
+++ b/core/jni/android_hardware_HardwareBuffer.cpp
@@ -46,7 +46,7 @@
 // ----------------------------------------------------------------------------
 
 // Debug
-static const bool kDebugGraphicBuffer = false;
+static constexpr bool kDebugGraphicBuffer = false;
 
 // ----------------------------------------------------------------------------
 // Types
@@ -92,8 +92,8 @@
     }
     uint64_t producerUsage = 0;
     uint64_t consumerUsage = 0;
-    android_hardware_HardwareBuffer_convertToGrallocUsageBits(usage, 0, &producerUsage,
-            &consumerUsage);
+    android_hardware_HardwareBuffer_convertToGrallocUsageBits(&producerUsage, &consumerUsage, usage,
+            0);
     status_t error;
     sp<GraphicBuffer> buffer(alloc->createGraphicBuffer(width, height, pixelFormat,
             layers, producerUsage, consumerUsage,
@@ -155,8 +155,11 @@
 static jlong android_hardware_HardwareBuffer_getUsage(JNIEnv* env,
     jobject clazz, jlong nativeObject) {
     GraphicBuffer* buffer = GraphicBufferWrapper_to_GraphicBuffer(nativeObject);
-    return android_hardware_HardwareBuffer_convertFromGrallocUsageBits(
+    uint64_t usage0 = 0;
+    uint64_t usage1 = 0;
+    android_hardware_HardwareBuffer_convertFromGrallocUsageBits(&usage0, &usage1,
             buffer->getUsage(), buffer->getUsage());
+    return usage0;
 }
 
 // ----------------------------------------------------------------------------
@@ -228,15 +231,14 @@
     return AHardwareBuffer_convertToPixelFormat(format);
 }
 
-void android_hardware_HardwareBuffer_convertToGrallocUsageBits(uint64_t usage0,
-        uint64_t /*usage1*/, uint64_t* outProducerUsage,
-        uint64_t* outConsumerUsage) {
-    AHardwareBuffer_convertToGrallocUsageBits(usage0, outProducerUsage, outConsumerUsage);
+void android_hardware_HardwareBuffer_convertToGrallocUsageBits(uint64_t* outProducerUsage,
+        uint64_t* outConsumerUsage, uint64_t usage0, uint64_t usage1) {
+    AHardwareBuffer_convertToGrallocUsageBits(outProducerUsage, outConsumerUsage, usage0, usage1);
 }
 
-uint64_t android_hardware_HardwareBuffer_convertFromGrallocUsageBits(
-        uint64_t producerUsage, uint64_t consumerUsage) {
-    return AHardwareBuffer_convertFromGrallocUsageBits(producerUsage, consumerUsage);
+void android_hardware_HardwareBuffer_convertFromGrallocUsageBits(uint64_t* outUsage0,
+        uint64_t* outUsage1, uint64_t producerUsage, uint64_t consumerUsage) {
+    AHardwareBuffer_convertFromGrallocUsageBits(outUsage0, outUsage1, producerUsage, consumerUsage);
 }
 
 }  // namespace android
diff --git a/core/jni/android_text_StaticLayout.cpp b/core/jni/android_text_StaticLayout.cpp
index c05ef26..90ed6eb 100644
--- a/core/jni/android_text_StaticLayout.cpp
+++ b/core/jni/android_text_StaticLayout.cpp
@@ -159,11 +159,12 @@
     minikin::LineBreaker* b = reinterpret_cast<minikin::LineBreaker*>(nativePtr);
     Paint* paint = reinterpret_cast<Paint*>(nativePaint);
     Typeface* typeface = reinterpret_cast<Typeface*>(nativeTypeface);
-    minikin::FontCollection *font;
     minikin::MinikinPaint minikinPaint;
-    minikin::FontStyle style = MinikinUtils::prepareMinikinPaint(&minikinPaint, &font, paint,
+    Typeface* resolvedTypeface = Typeface::resolveDefault(typeface);
+    minikin::FontStyle style = MinikinUtils::prepareMinikinPaint(&minikinPaint, paint,
             typeface);
-    return b->addStyleRun(&minikinPaint, font, style, start, end, isRtl);
+    return b->addStyleRun(&minikinPaint, resolvedTypeface->fFontCollection, style, start, end,
+            isRtl);
 }
 
 // Accept width measurements for the run, passed in from Java
diff --git a/core/jni/include/android_runtime/android_hardware_HardwareBuffer.h b/core/jni/include/android_runtime/android_hardware_HardwareBuffer.h
index a5d0596..3545c56 100644
--- a/core/jni/include/android_runtime/android_hardware_HardwareBuffer.h
+++ b/core/jni/include/android_runtime/android_hardware_HardwareBuffer.h
@@ -41,12 +41,13 @@
 
 /* Convert from AHARDWAREBUFFER_USAGE* flags to to gralloc usage flags. */
 extern void android_hardware_HardwareBuffer_convertToGrallocUsageBits(
-      uint64_t usage0, uint64_t usage1, uint64_t* outProducerUsage,
-      uint64_t* outConsumerUsage);
+      uint64_t* outProducerUsage, uint64_t* outConsumerUsage, uint64_t usage0,
+      uint64_t usage1);
 
 /* Convert from gralloc usage flags to to AHARDWAREBUFFER_USAGE0* flags. */
-extern uint64_t android_hardware_HardwareBuffer_convertFromGrallocUsageBits(
-      uint64_t producerUsage, uint64_t consumerUsage);
+extern void android_hardware_HardwareBuffer_convertFromGrallocUsageBits(
+      uint64_t* outUsage0, uint64_t* outUsage1, uint64_t producerUsage,
+      uint64_t consumerUsage);
 
 } // namespace android
 
diff --git a/core/res/AndroidManifest.xml b/core/res/AndroidManifest.xml
index b3ae891..054fad2 100644
--- a/core/res/AndroidManifest.xml
+++ b/core/res/AndroidManifest.xml
@@ -3489,7 +3489,7 @@
         <receiver android:name="com.android.server.updates.ApnDbInstallReceiver"
                 android:permission="android.permission.UPDATE_CONFIG">
             <intent-filter>
-                <action android:name="android.intent.action.UPDATE_APN_DB" />
+                <action android:name="com.android.internal.intent.action.UPDATE_APN_DB" />
                 <data android:scheme="content" android:host="*" android:mimeType="*/*" />
             </intent-filter>
         </receiver>
diff --git a/core/res/res/layout/autofill_dataset_picker.xml b/core/res/res/layout/autofill_dataset_picker.xml
index 40cce7b..9b90de6 100644
--- a/core/res/res/layout/autofill_dataset_picker.xml
+++ b/core/res/res/layout/autofill_dataset_picker.xml
@@ -15,7 +15,7 @@
 -->
 
 <ListView xmlns:android="http://schemas.android.com/apk/res/android"
-    android:id="@+id/list"
+    android:id="@+id/autofill_dataset_picker"
     android:layout_width="wrap_content"
     android:layout_height="fill_parent"
     android:divider="?android:attr/listDivider"
diff --git a/core/res/res/layout/autofill_save.xml b/core/res/res/layout/autofill_save.xml
index 8453cd35..dad9aad 100644
--- a/core/res/res/layout/autofill_save.xml
+++ b/core/res/res/layout/autofill_save.xml
@@ -16,6 +16,7 @@
 
 <LinearLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/autofill_save"
     android:layout_width="fill_parent"
     android:layout_height="wrap_content"
     android:paddingStart="16dip"
@@ -39,6 +40,13 @@
             android:singleLine="true">
         </TextView>
 
+        <TextView
+            android:id="@+id/autofill_save_subtitle"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:visibility="invisible">
+        </TextView>
+
         <Space
             android:layout_width="0dp"
             android:layout_height="0dp"
diff --git a/core/res/res/values/attrs.xml b/core/res/res/values/attrs.xml
index f55538f..be77603 100644
--- a/core/res/res/values/attrs.xml
+++ b/core/res/res/values/attrs.xml
@@ -4721,18 +4721,19 @@
         </attr>
         <!-- Specify the type of auto-size. Note that this feature is not supported by EditText,
         works only for TextView -->
-        <attr name="autoSizeText" format="enum">
+        <attr name="autoSizeTextType" format="enum">
             <!-- No auto-sizing (default). -->
             <enum name="none" value="0" />
-            <!-- Uniform horizontal and vertical scaling. -->
+            <!-- Uniform horizontal and vertical text size scaling to fit within the
+            container -->
             <enum name="uniform" value="1" />
         </attr>
-        <!-- Specify the auto-size step size if <code>autoSizeText</code> is set to
-        <code>xy</code>. The default is 1px. Overwrites
+        <!-- Specify the auto-size step size if <code>autoSizeTextType</code> is set to
+        <code>uniform</code>. The default is 1px. Overwrites
         <code>autoSizePresetSizes</code> if set. -->
         <attr name="autoSizeStepGranularity" format="dimension" />
-        <!-- Array of dimensions to be used in conjunction with
-        <code>autoSizeText</code> set to <code>xy</code>. Overwrites
+        <!-- Resource array of dimensions to be used in conjunction with
+        <code>autoSizeTextType</code> set to <code>uniform</code>. Overrides
         <code>autoSizeStepGranularity</code> if set. -->
         <attr name="autoSizePresetSizes"/>
         <!-- The minimum text size constraint to be used when auto-sizing text -->
diff --git a/core/res/res/values/public.xml b/core/res/res/values/public.xml
index e5660b5..01737e7 100644
--- a/core/res/res/values/public.xml
+++ b/core/res/res/values/public.xml
@@ -2765,7 +2765,7 @@
         <public name="font" />
         <public name="fontWeight" />
         <public name="tooltipText" />
-        <public name="autoSizeText" />
+        <public name="autoSizeTextType" />
         <public name="autoSizeStepGranularity" />
         <public name="autoSizePresetSizes" />
         <public name="autoSizeMinTextSize" />
diff --git a/core/res/res/values/strings.xml b/core/res/res/values/strings.xml
index 6abc009..b0c532c 100644
--- a/core/res/res/values/strings.xml
+++ b/core/res/res/values/strings.xml
@@ -4510,11 +4510,22 @@
     <!-- Accessibility string used for describing the button in time picker that changes the dialog to circular clock mode. [CHAR LIMIT=NONE] -->
     <string name="time_picker_radial_mode_description">Switch to clock mode for the time input.</string>
 
-    <!-- Title for the auto-fill save dialog shown when the user entered savable text [CHAR LIMIT=NONE] -->
+    <!-- Title for the auto-fill save dialog shown when the the contents of the activity can be saved
+         by an auto-fill service, but the service does not know what the activity represents [CHAR LIMIT=NONE] -->
     <string name="autofill_save_title">Save to <xliff:g id="label" example="MyPass">%1$s</xliff:g>?</string>
+    <!-- Title for the auto-fill save dialog shown when the the contents of the activity can be saved
+         by an auto-fill service, and the service does knows what the activity represents (for example, credit card info) [CHAR LIMIT=NONE] -->
+    <string name="autofill_save_title_with_type">Save <xliff:g id="type" example="Credit Card">%1$s</xliff:g> to <xliff:g id="label" example="MyPass">%2$s</xliff:g>?</string>
     <!-- Label for the auto-fill save button [CHAR LIMIT=NONE] -->
     <string name="autofill_save_yes">Save</string>
     <!-- Label for the auto-fill cancel button [CHAR LIMIT=NONE] -->
     <string name="autofill_save_no">No thanks</string>
 
+    <!-- Label for the type of data being saved for auto-fill when it represent user credentials with a password [CHAR LIMIT=NONE] -->
+    <string name="autofill_save_type_password">password</string>
+    <!-- Label for the type of data being saved for auto-fill when it represent an address (street, city, etc.) [CHAR LIMIT=NONE] -->
+    <string name="autofill_save_type_address">address</string>
+    <!-- Label for the type of data being saved for auto-fill when it represents a credit card [CHAR LIMIT=NONE] -->
+    <string name="autofill_save_type_credit_card">credit card</string>
+
 </resources>
diff --git a/core/res/res/values/symbols.xml b/core/res/res/values/symbols.xml
index 49216d9..6995d9a 100644
--- a/core/res/res/values/symbols.xml
+++ b/core/res/res/values/symbols.xml
@@ -2838,12 +2838,17 @@
   <java-symbol type="layout" name="autofill_save"/>
   <java-symbol type="layout" name="autofill_dataset_picker"/>
   <java-symbol type="id" name="autofill_save_title" />
+  <java-symbol type="id" name="autofill_save_subtitle" />
   <java-symbol type="id" name="autofill_save_no" />
   <java-symbol type="id" name="autofill_save_yes" />
   <java-symbol type="id" name="autofill_save_close" />
   <java-symbol type="string" name="autofill_save_title" />
+  <java-symbol type="string" name="autofill_save_title_with_type" />
   <java-symbol type="string" name="autofill_save_yes" />
   <java-symbol type="string" name="autofill_save_no" />
+  <java-symbol type="string" name="autofill_save_type_password" />
+  <java-symbol type="string" name="autofill_save_type_address" />
+  <java-symbol type="string" name="autofill_save_type_credit_card" />
 
   <!-- Accessibility fingerprint gestures -->
   <java-symbol type="string" name="capability_title_canCaptureFingerprintGestures" />
diff --git a/core/tests/coretests/src/android/provider/SettingsBackupTest.java b/core/tests/coretests/src/android/provider/SettingsBackupTest.java
index b718263..105a351 100644
--- a/core/tests/coretests/src/android/provider/SettingsBackupTest.java
+++ b/core/tests/coretests/src/android/provider/SettingsBackupTest.java
@@ -281,6 +281,7 @@
                     Settings.Global.RADIO_NFC,
                     Settings.Global.RADIO_WIFI,
                     Settings.Global.RADIO_WIMAX,
+                    Settings.Global.RECOMMENDED_NETWORK_EVALUATOR_CACHE_EXPIRY_MS,
                     Settings.Global.READ_EXTERNAL_STORAGE_ENFORCED_DEFAULT,
                     Settings.Global.REQUIRE_PASSWORD_TO_DECRYPT,
                     Settings.Global.RETAIL_DEMO_MODE_CONSTANTS,
diff --git a/core/tests/coretests/src/com/android/internal/app/ChooserActivityTest.java b/core/tests/coretests/src/com/android/internal/app/ChooserActivityTest.java
index 1080a9f..3dfecc6 100644
--- a/core/tests/coretests/src/com/android/internal/app/ChooserActivityTest.java
+++ b/core/tests/coretests/src/com/android/internal/app/ChooserActivityTest.java
@@ -16,6 +16,17 @@
 
 package com.android.internal.app;
 
+import android.app.Instrumentation;
+import android.content.ComponentName;
+import android.content.IntentFilter;
+import android.content.pm.ActivityInfo;
+import android.content.pm.ApplicationInfo;
+import android.content.pm.LauncherApps;
+import android.content.pm.PackageManager;
+import android.content.pm.ShortcutInfo;
+import android.content.pm.ShortcutManager;
+import android.graphics.drawable.Icon;
+import android.os.SystemClock;
 import com.android.internal.R;
 import com.android.internal.app.ResolverActivity.ResolvedComponentInfo;
 
@@ -48,25 +59,31 @@
 import static org.hamcrest.CoreMatchers.is;
 import static org.hamcrest.CoreMatchers.not;
 import static org.hamcrest.MatcherAssert.assertThat;
-import static org.mockito.Mockito.when;
-import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.doAnswer;
+import static org.mockito.Mockito.isA;
+import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
 
 /**
  * Chooser activity instrumentation tests
  */
 @RunWith(AndroidJUnit4.class)
 public class ChooserActivityTest {
+    private Instrumentation instrumentation;
+
+    @Before
+    public void setUp() {
+        instrumentation = InstrumentationRegistry.getInstrumentation();
+        sOverrides.reset();
+    }
+
     @Rule
     public ActivityTestRule<ChooserWrapperActivity> mActivityRule =
             new ActivityTestRule<>(ChooserWrapperActivity.class, false,
                     false);
 
-    @Before
-    public void cleanOverrideData() {
-        sOverrides.reset();
-    }
-
     @Test
     public void customTitle() throws InterruptedException {
         Intent sendIntent = createSendImageIntent();
@@ -235,7 +252,6 @@
             chosen[0] = targetInfo.getResolveInfo();
             return true;
         };
-
         // Make a stable copy of the components as the original list may be modified
         List<ResolvedComponentInfo> stableCopy =
                 createResolvedComponentsForTestWithOtherProfile(2);
@@ -324,6 +340,32 @@
         assertThat(chosen[0], is(toChoose));
     }
 
+    public void pushedChooserTarget() {
+        ResolveInfo[] chosen = new ResolveInfo[1];
+        sOverrides.onSafelyStartCallback = targetInfo -> {
+            chosen[0] = targetInfo.getResolveInfo();
+            return true;
+        };
+
+        setChooserShortcuts(1);
+        List<ResolvedComponentInfo> resolvedComponentInfos = createResolvedComponentsForTest(2);
+        when(sOverrides.resolverListController.getResolversForIntent(Mockito.anyBoolean(),
+                Mockito.anyBoolean(),
+                Mockito.isA(List.class))).thenReturn(resolvedComponentInfos);
+
+        Intent sendIntent = createSendImageIntent();
+        final ChooserWrapperActivity activity = mActivityRule
+                .launchActivity(Intent.createChooser(sendIntent, null));
+
+        waitForIdle();
+
+        onView(withText("short chooser label 0"))
+                .perform(click());
+        waitForIdle();
+        assertThat(chosen[0].resolvePackageName,
+                is(ResolverDataProvider.createActivityInfo(0).packageName));
+    }
+
     private Intent createSendImageIntent() {
         Intent sendIntent = new Intent();
         sendIntent.setAction(Intent.ACTION_SEND);
@@ -371,4 +413,48 @@
         }
         return packageStats.mChooserCounts.get(action).getOrDefault(annotation, 0);
     }
+
+    private void setChooserShortcuts(int numShortcuts) {
+        ArrayList<ShortcutInfo> shortcuts = new ArrayList<>();
+        for (int i = 0; i < numShortcuts; i++) {
+           shortcuts.add(makeShortcut(i));
+        }
+        when(sOverrides.launcherApps.getShortcuts(
+                Mockito.isA(LauncherApps.ShortcutQuery.class),
+                Mockito.eq(UserHandle.SYSTEM)))
+                .thenReturn(shortcuts);
+    }
+
+    private ShortcutInfo makeShortcut(int i) {
+        try {
+            IntentFilter filter = new IntentFilter(Intent.ACTION_SEND, "image/jpeg");
+
+            ComponentName component = new ComponentName("foo.bar", "foo.bar" + ".MainActivity");
+            ShortcutInfo.Builder b = new ShortcutInfo.Builder(instrumentation.getContext(), "" + i)
+                    .setActivity(component)
+                    .setShortLabel("short chooser label " + i)
+                    .setLongLabel("long chooser label" + i)
+                    .setRank(i)
+                    .setIntent(createSendImageIntent())
+                    .setIcon(Icon.createWithResource(instrumentation.getContext(),
+                            android.R.drawable.ic_menu_add))
+                    .addChooserIntentFilter(
+                            filter,
+                            component);
+
+            sOverrides.createPackageManager = pm -> {
+                final PackageManager spied = spy(pm);
+                try {
+                    doAnswer(invocation -> ResolverDataProvider.createActivityInfo(i))
+                            .when(spied).getActivityInfo(
+                            Mockito.isA(ComponentName.class), Mockito.anyInt());
+                } catch (Exception e) {
+                    // this is ok, just not found
+                    e.printStackTrace();
+                }
+                return spied;
+            };
+            return b.build();
+        } catch (Exception e) {return null;}
+    }
 }
\ No newline at end of file
diff --git a/core/tests/coretests/src/com/android/internal/app/ChooserWrapperActivity.java b/core/tests/coretests/src/com/android/internal/app/ChooserWrapperActivity.java
index c446f3c..0dac260 100644
--- a/core/tests/coretests/src/com/android/internal/app/ChooserWrapperActivity.java
+++ b/core/tests/coretests/src/com/android/internal/app/ChooserWrapperActivity.java
@@ -18,6 +18,7 @@
 
 import android.app.usage.UsageStatsManager;
 import android.content.Context;
+import android.content.pm.LauncherApps;
 import android.content.pm.PackageManager;
 
 import java.util.function.Function;
@@ -74,6 +75,11 @@
         return super.getPackageManager();
     }
 
+    @Override
+    public LauncherApps getLauncherApps() {
+        return sOverrides.launcherApps;
+    }
+
     /**
      * We cannot directly mock the activity created since instrumentation creates it.
      * <p>
@@ -82,6 +88,7 @@
     static class OverrideData {
         @SuppressWarnings("Since15")
         public Function<PackageManager, PackageManager> createPackageManager;
+        public LauncherApps launcherApps;
         public Function<TargetInfo, Boolean> onSafelyStartCallback;
         public ResolverListController resolverListController;
         public Boolean isVoiceInteraction;
@@ -90,6 +97,7 @@
             onSafelyStartCallback = null;
             isVoiceInteraction = null;
             createPackageManager = null;
+            launcherApps = mock(LauncherApps.class);
             resolverListController = mock(ResolverListController.class);
         }
     }
diff --git a/graphics/java/android/graphics/Color.java b/graphics/java/android/graphics/Color.java
index ff21cac..33d19d4 100644
--- a/graphics/java/android/graphics/Color.java
+++ b/graphics/java/android/graphics/Color.java
@@ -1023,9 +1023,9 @@
                     "The color space must use a color model with at most 3 components");
         }
 
-        @HalfFloat short r = Half.valueOf(red);
-        @HalfFloat short g = Half.valueOf(green);
-        @HalfFloat short b = Half.valueOf(blue);
+        @HalfFloat short r = Half.toHalf(red);
+        @HalfFloat short g = Half.toHalf(green);
+        @HalfFloat short b = Half.toHalf(blue);
 
         int a = (int) (Math.max(0.0f, Math.min(alpha, 1.0f)) * 1023.0f + 0.5f);
 
diff --git a/graphics/java/android/graphics/ColorSpace.java b/graphics/java/android/graphics/ColorSpace.java
index ec00c45..b1a433c 100644
--- a/graphics/java/android/graphics/ColorSpace.java
+++ b/graphics/java/android/graphics/ColorSpace.java
@@ -805,7 +805,8 @@
      */
     public enum Adaptation {
         /**
-         * Bradford matrix for the von Kries chromatic adaptation transform.
+         * Bradford chromatic adaptation transform, as defined in the
+         * CIECAM97s color appearance model.
          */
         BRADFORD(new float[] {
                  0.8951f, -0.7502f,  0.0389f,
@@ -813,12 +814,21 @@
                 -0.1614f,  0.0367f,  1.0296f
         }),
         /**
-         * von Kries matrix for the von Kries chromatic adaptation transform.
+         * von Kries chromatic adaptation transform.
          */
         VON_KRIES(new float[] {
                  0.40024f, -0.22630f, 0.00000f,
                  0.70760f,  1.16532f, 0.00000f,
                 -0.08081f,  0.04570f, 0.91822f
+        }),
+        /**
+         * CIECAT02 chromatic adaption transform, as defined in the
+         * CIECAM02 color appearance model.
+         */
+        CIECAT02(new float[] {
+                 0.7328f, -0.7036f,  0.0030f,
+                 0.4296f,  1.6975f,  0.0136f,
+                -0.1624f,  0.0061f,  0.9834f
         });
 
         final float[] mTransform;
diff --git a/graphics/java/android/graphics/drawable/ShapeDrawable.java b/graphics/java/android/graphics/drawable/ShapeDrawable.java
index fe82a93..a24b970 100644
--- a/graphics/java/android/graphics/drawable/ShapeDrawable.java
+++ b/graphics/java/android/graphics/drawable/ShapeDrawable.java
@@ -16,9 +16,11 @@
 
 package android.graphics.drawable;
 
+import android.annotation.NonNull;
 import android.content.pm.ActivityInfo.Config;
 import android.content.res.ColorStateList;
 import android.content.res.Resources;
+import android.content.res.Resources.Theme;
 import android.content.res.TypedArray;
 import android.graphics.Canvas;
 import android.graphics.ColorFilter;
@@ -31,10 +33,10 @@
 import android.graphics.Rect;
 import android.graphics.Shader;
 import android.graphics.drawable.shapes.Shape;
-import android.content.res.Resources.Theme;
 import android.util.AttributeSet;
 
 import com.android.internal.R;
+
 import org.xmlpull.v1.XmlPullParser;
 import org.xmlpull.v1.XmlPullParserException;
 
@@ -69,7 +71,7 @@
  * @attr ref android.R.styleable#ShapeDrawable_height
  */
 public class ShapeDrawable extends Drawable {
-    private ShapeState mShapeState;
+    private @NonNull ShapeState mShapeState;
     private PorterDuffColorFilter mTintFilter;
     private boolean mMutated;
 
@@ -77,7 +79,7 @@
      * ShapeDrawable constructor.
      */
     public ShapeDrawable() {
-        this(new ShapeState(null), null);
+        this(new ShapeState(), null);
     }
 
     /**
@@ -86,7 +88,7 @@
      * @param s the Shape that this ShapeDrawable should be
      */
     public ShapeDrawable(Shape s) {
-        this(new ShapeState(null), null);
+        this(new ShapeState(), null);
 
         mShapeState.mShape = s;
     }
@@ -402,7 +404,7 @@
         }
 
         // Update local properties.
-        updateLocalState(r);
+        updateLocalState();
     }
 
     @Override
@@ -426,7 +428,7 @@
         }
 
         // Update local properties.
-        updateLocalState(t.getResources());
+        updateLocalState();
     }
 
     private void updateStateFromTypedArray(TypedArray a) {
@@ -447,10 +449,10 @@
         dither = a.getBoolean(R.styleable.ShapeDrawable_dither, dither);
         paint.setDither(dither);
 
-        setIntrinsicWidth((int) a.getDimension(
-                R.styleable.ShapeDrawable_width, state.mIntrinsicWidth));
-        setIntrinsicHeight((int) a.getDimension(
-                R.styleable.ShapeDrawable_height, state.mIntrinsicHeight));
+        state.mIntrinsicWidth = (int) a.getDimension(
+                R.styleable.ShapeDrawable_width, state.mIntrinsicWidth);
+        state.mIntrinsicHeight = (int) a.getDimension(
+                R.styleable.ShapeDrawable_height, state.mIntrinsicHeight);
 
         final int tintMode = a.getInt(R.styleable.ShapeDrawable_tintMode, -1);
         if (tintMode != -1) {
@@ -494,21 +496,8 @@
     @Override
     public Drawable mutate() {
         if (!mMutated && super.mutate() == this) {
-            if (mShapeState.mPaint != null) {
-                mShapeState.mPaint = new Paint(mShapeState.mPaint);
-            } else {
-                mShapeState.mPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
-            }
-            if (mShapeState.mPadding != null) {
-                mShapeState.mPadding = new Rect(mShapeState.mPadding);
-            } else {
-                mShapeState.mPadding = new Rect();
-            }
-            try {
-                mShapeState.mShape = mShapeState.mShape.clone();
-            } catch (CloneNotSupportedException e) {
-                return null;
-            }
+            mShapeState = new ShapeState(mShapeState);
+            updateLocalState();
             mMutated = true;
         }
         return this;
@@ -525,12 +514,13 @@
     /**
      * Defines the intrinsic properties of this ShapeDrawable's Shape.
      */
-    final static class ShapeState extends ConstantState {
-        int[] mThemeAttrs;
+    static final class ShapeState extends ConstantState {
+        final @NonNull Paint mPaint;
+
         @Config int mChangingConfigurations;
-        Paint mPaint;
+        int[] mThemeAttrs;
         Shape mShape;
-        ColorStateList mTint = null;
+        ColorStateList mTint;
         Mode mTintMode = DEFAULT_TINT_MODE;
         Rect mPadding;
         int mIntrinsicWidth;
@@ -538,21 +528,43 @@
         int mAlpha = 255;
         ShaderFactory mShaderFactory;
 
-        ShapeState(ShapeState orig) {
-            if (orig != null) {
-                mThemeAttrs = orig.mThemeAttrs;
-                mPaint = orig.mPaint;
-                mShape = orig.mShape;
-                mTint = orig.mTint;
-                mTintMode = orig.mTintMode;
-                mPadding = orig.mPadding;
-                mIntrinsicWidth = orig.mIntrinsicWidth;
-                mIntrinsicHeight = orig.mIntrinsicHeight;
-                mAlpha = orig.mAlpha;
-                mShaderFactory = orig.mShaderFactory;
-            } else {
-                mPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
+        /**
+         * Constructs a new ShapeState.
+         */
+        ShapeState() {
+            mPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
+        }
+
+        /**
+         * Constructs a new ShapeState that contains a deep copy of the
+         * specified ShapeState.
+         *
+         * @param orig the state to create a deep copy of
+         */
+        ShapeState(@NonNull ShapeState orig) {
+            mChangingConfigurations = orig.mChangingConfigurations;
+            mPaint = new Paint(orig.mPaint);
+            mThemeAttrs = orig.mThemeAttrs;
+            if (mShape != null) {
+                try {
+                    mShape = orig.mShape.clone();
+                } catch (CloneNotSupportedException e) {
+                    // Well, at least we tried.
+                    mShape = orig.mShape;
+                }
             }
+            mTint = orig.mTint;
+            mTintMode = orig.mTintMode;
+            if (orig.mPadding != null) {
+                mPadding = new Rect(orig.mPadding);
+            }
+            mIntrinsicWidth = orig.mIntrinsicWidth;
+            mIntrinsicHeight = orig.mIntrinsicHeight;
+            mAlpha = orig.mAlpha;
+
+            // We don't have any way to clone a shader factory, so hopefully
+            // this class doesn't contain any local state.
+            mShaderFactory = orig.mShaderFactory;
         }
 
         @Override
@@ -585,7 +597,7 @@
     private ShapeDrawable(ShapeState state, Resources res) {
         mShapeState = state;
 
-        updateLocalState(res);
+        updateLocalState();
     }
 
     /**
@@ -593,7 +605,7 @@
      * after significant state changes, e.g. from the One True Constructor and
      * after inflating or applying a theme.
      */
-    private void updateLocalState(Resources res) {
+    private void updateLocalState() {
         mTintFilter = updateTintFilter(mTintFilter, mShapeState.mTint, mShapeState.mTintMode);
     }
 
@@ -617,8 +629,4 @@
          */
         public abstract Shader resize(int width, int height);
     }
-
-    // other subclass could wack the Shader's localmatrix based on the
-    // resize params (e.g. scaletofit, etc.). This could be used to scale
-    // a bitmap to fill the bounds without needing any other special casing.
 }
diff --git a/graphics/java/android/graphics/drawable/shapes/ArcShape.java b/graphics/java/android/graphics/drawable/shapes/ArcShape.java
index c4b239f..85ba0a9 100644
--- a/graphics/java/android/graphics/drawable/shapes/ArcShape.java
+++ b/graphics/java/android/graphics/drawable/shapes/ArcShape.java
@@ -21,31 +21,47 @@
 import android.graphics.Paint;
 
 /**
- * Creates an arc shape. The arc shape starts at a specified
- * angle and sweeps clockwise, drawing slices of pie.
- * The arc can be drawn to a Canvas with its own draw() method,
- * but more graphical control is available if you instead pass
- * the ArcShape to a {@link android.graphics.drawable.ShapeDrawable}.
+ * Creates an arc shape. The arc shape starts at a specified angle and sweeps
+ * clockwise, drawing slices of pie.
+ * <p>
+ * The arc can be drawn to a {@link Canvas} with its own
+ * {@link #draw(Canvas, Paint)} method, but more graphical control is available
+ * if you instead pass the ArcShape to a
+ * {@link android.graphics.drawable.ShapeDrawable}.
  */
 public class ArcShape extends RectShape {
-    private float mStart;
-    private float mSweep;
-    
+    private final float mStartAngle;
+    private final float mSweepAngle;
+
     /**
-     * ArcShape constructor. 
-     * 
+     * ArcShape constructor.
+     *
      * @param startAngle the angle (in degrees) where the arc begins
-     * @param sweepAngle the sweep angle (in degrees). Anything equal to or 
+     * @param sweepAngle the sweep angle (in degrees). Anything equal to or
      *                   greater than 360 results in a complete circle/oval.
      */
     public ArcShape(float startAngle, float sweepAngle) {
-        mStart = startAngle;
-        mSweep = sweepAngle;
+        mStartAngle = startAngle;
+        mSweepAngle = sweepAngle;
     }
-    
+
+    /**
+     * @return the angle (in degrees) where the arc begins
+     */
+    public final float getStartAngle() {
+        return mStartAngle;
+    }
+
+    /**
+     * @return the sweep angle (in degrees)
+     */
+    public final float getSweepAngle() {
+        return mSweepAngle;
+    }
+
     @Override
     public void draw(Canvas canvas, Paint paint) {
-        canvas.drawArc(rect(), mStart, mSweep, true, paint);
+        canvas.drawArc(rect(), mStartAngle, mSweepAngle, true, paint);
     }
 
     @Override
@@ -53,5 +69,10 @@
         // Since we don't support concave outlines, arc shape does not attempt
         // to provide an outline.
     }
+
+    @Override
+    public ArcShape clone() throws CloneNotSupportedException {
+        return (ArcShape) super.clone();
+    }
 }
 
diff --git a/graphics/java/android/graphics/drawable/shapes/OvalShape.java b/graphics/java/android/graphics/drawable/shapes/OvalShape.java
index c9473f0..fb87d28 100644
--- a/graphics/java/android/graphics/drawable/shapes/OvalShape.java
+++ b/graphics/java/android/graphics/drawable/shapes/OvalShape.java
@@ -22,7 +22,8 @@
 import android.graphics.RectF;
 
 /**
- * Defines an oval shape. 
+ * Defines an oval shape.
+ * <p>
  * The oval can be drawn to a Canvas with its own draw() method,
  * but more graphical control is available if you instead pass
  * the OvalShape to a {@link android.graphics.drawable.ShapeDrawable}.
@@ -42,5 +43,10 @@
         outline.setOval((int) Math.ceil(rect.left), (int) Math.ceil(rect.top),
                 (int) Math.floor(rect.right), (int) Math.floor(rect.bottom));
     }
+
+    @Override
+    public OvalShape clone() throws CloneNotSupportedException {
+        return (OvalShape) super.clone();
+    }
 }
 
diff --git a/graphics/java/android/graphics/drawable/shapes/PathShape.java b/graphics/java/android/graphics/drawable/shapes/PathShape.java
index 30b7347..ce5552b 100644
--- a/graphics/java/android/graphics/drawable/shapes/PathShape.java
+++ b/graphics/java/android/graphics/drawable/shapes/PathShape.java
@@ -16,41 +16,44 @@
 
 package android.graphics.drawable.shapes;
 
+import android.annotation.NonNull;
 import android.graphics.Canvas;
 import android.graphics.Paint;
 import android.graphics.Path;
 
 /**
  * Creates geometric paths, utilizing the {@link android.graphics.Path} class.
+ * <p>
  * The path can be drawn to a Canvas with its own draw() method,
  * but more graphical control is available if you instead pass
  * the PathShape to a {@link android.graphics.drawable.ShapeDrawable}.
  */
 public class PathShape extends Shape {
-    private Path    mPath;
-    private float   mStdWidth;
-    private float   mStdHeight;
-    
-    private float   mScaleX;    // cached from onResize
-    private float   mScaleY;    // cached from onResize
-    
+    private final float mStdWidth;
+    private final float mStdHeight;
+
+    private Path mPath;
+
+    private float mScaleX; // cached from onResize
+    private float mScaleY; // cached from onResize
+
     /**
      * PathShape constructor.
-     * 
-     * @param path       a Path that defines the geometric paths for this shape
-     * @param stdWidth   the standard width for the shape. Any changes to the 
-     *                   width with resize() will result in a width scaled based
-     *                   on the new width divided by this width.
-     * @param stdHeight  the standard height for the shape. Any changes to the 
-     *                   height with resize() will result in a height scaled based
-     *                   on the new height divided by this height.
+     *
+     * @param path a Path that defines the geometric paths for this shape
+     * @param stdWidth the standard width for the shape. Any changes to the
+     *                 width with resize() will result in a width scaled based
+     *                 on the new width divided by this width.
+     * @param stdHeight the standard height for the shape. Any changes to the
+     *                  height with resize() will result in a height scaled based
+     *                  on the new height divided by this height.
      */
-    public PathShape(Path path, float stdWidth, float stdHeight) {
+    public PathShape(@NonNull Path path, float stdWidth, float stdHeight) {
         mPath = path;
         mStdWidth = stdWidth;
         mStdHeight = stdHeight;
     }
-    
+
     @Override
     public void draw(Canvas canvas, Paint paint) {
         canvas.save();
@@ -58,7 +61,7 @@
         canvas.drawPath(mPath, paint);
         canvas.restore();
     }
-    
+
     @Override
     protected void onResize(float width, float height) {
         mScaleX = width / mStdWidth;
@@ -67,7 +70,7 @@
 
     @Override
     public PathShape clone() throws CloneNotSupportedException {
-        PathShape shape = (PathShape) super.clone();
+        final PathShape shape = (PathShape) super.clone();
         shape.mPath = new Path(mPath);
         return shape;
     }
diff --git a/graphics/java/android/graphics/drawable/shapes/RectShape.java b/graphics/java/android/graphics/drawable/shapes/RectShape.java
index 04cf293..e339a21 100644
--- a/graphics/java/android/graphics/drawable/shapes/RectShape.java
+++ b/graphics/java/android/graphics/drawable/shapes/RectShape.java
@@ -23,6 +23,7 @@
 
 /**
  * Defines a rectangle shape.
+ * <p>
  * The rectangle can be drawn to a Canvas with its own draw() method,
  * but more graphical control is available if you instead pass
  * the RectShape to a {@link android.graphics.drawable.ShapeDrawable}.
diff --git a/graphics/java/android/graphics/drawable/shapes/RoundRectShape.java b/graphics/java/android/graphics/drawable/shapes/RoundRectShape.java
index e5253b8..f5cbb24 100644
--- a/graphics/java/android/graphics/drawable/shapes/RoundRectShape.java
+++ b/graphics/java/android/graphics/drawable/shapes/RoundRectShape.java
@@ -16,6 +16,7 @@
 
 package android.graphics.drawable.shapes;
 
+import android.annotation.Nullable;
 import android.graphics.Canvas;
 import android.graphics.Outline;
 import android.graphics.Paint;
@@ -24,40 +25,41 @@
 
 /**
  * Creates a rounded-corner rectangle. Optionally, an inset (rounded) rectangle
- * can be included (to make a sort of "O" shape). 
+ * can be included (to make a sort of "O" shape).
+ * <p>
  * The rounded rectangle can be drawn to a Canvas with its own draw() method,
  * but more graphical control is available if you instead pass
  * the RoundRectShape to a {@link android.graphics.drawable.ShapeDrawable}.
  */
 public class RoundRectShape extends RectShape {
     private float[] mOuterRadii;
-    private RectF   mInset;
+    private RectF mInset;
     private float[] mInnerRadii;
     
     private RectF mInnerRect;
-    private Path  mPath;    // this is what we actually draw
+    private Path mPath; // this is what we actually draw
     
     /**
      * RoundRectShape constructor.
+     * <p>
      * Specifies an outer (round)rect and an optional inner (round)rect.
      *
      * @param outerRadii An array of 8 radius values, for the outer roundrect. 
-     *                   The first two floats are for the 
-     *                   top-left corner (remaining pairs correspond clockwise). 
-     *                   For no rounded corners on the outer rectangle, 
-     *                   pass null.
-     * @param inset      A RectF that specifies the distance from the inner 
-     *                   rect to each side of the outer rect. 
-     *                   For no inner, pass null.
+     *                   The first two floats are for the top-left corner
+     *                   (remaining pairs correspond clockwise). For no rounded
+     *                   corners on the outer rectangle, pass {@code null}.
+     * @param inset A RectF that specifies the distance from the inner
+     *              rect to each side of the outer rect. For no inner, pass
+     *              {@code null}.
      * @param innerRadii An array of 8 radius values, for the inner roundrect.
-     *                   The first two floats are for the 
-     *                   top-left corner (remaining pairs correspond clockwise). 
-     *                   For no rounded corners on the inner rectangle, 
-     *                   pass null.
-     *                   If inset parameter is null, this parameter is ignored. 
+     *                   The first two floats are for the top-left corner
+     *                   (remaining pairs correspond clockwise). For no rounded
+     *                   corners on the inner rectangle, pass {@code null}. If
+     *                   inset parameter is {@code null}, this parameter is
+     *                   ignored.
      */
-    public RoundRectShape(float[] outerRadii, RectF inset,
-                          float[] innerRadii) {
+    public RoundRectShape(@Nullable float[] outerRadii, @Nullable RectF inset,
+            @Nullable float[] innerRadii) {
         if (outerRadii != null && outerRadii.length < 8) {
             throw new ArrayIndexOutOfBoundsException("outer radii must have >= 8 values");
         }
@@ -97,8 +99,7 @@
 
         final RectF rect = rect();
         outline.setRoundRect((int) Math.ceil(rect.left), (int) Math.ceil(rect.top),
-                (int) Math.floor(rect.right), (int) Math.floor(rect.bottom),
-                radius);
+                (int) Math.floor(rect.right), (int) Math.floor(rect.bottom), radius);
     }
 
     @Override
@@ -128,7 +129,7 @@
 
     @Override
     public RoundRectShape clone() throws CloneNotSupportedException {
-        RoundRectShape shape = (RoundRectShape) super.clone();
+        final RoundRectShape shape = (RoundRectShape) super.clone();
         shape.mOuterRadii = mOuterRadii != null ? mOuterRadii.clone() : null;
         shape.mInnerRadii = mInnerRadii != null ? mInnerRadii.clone() : null;
         shape.mInset = new RectF(mInset);
diff --git a/graphics/java/android/graphics/drawable/shapes/Shape.java b/graphics/java/android/graphics/drawable/shapes/Shape.java
index eab8666..30b28f3 100644
--- a/graphics/java/android/graphics/drawable/shapes/Shape.java
+++ b/graphics/java/android/graphics/drawable/shapes/Shape.java
@@ -23,21 +23,25 @@
 
 /**
  * Defines a generic graphical "shape."
- * Any Shape can be drawn to a Canvas with its own draw() method,
- * but more graphical control is available if you instead pass
- * it to a {@link android.graphics.drawable.ShapeDrawable}.
+ * <p>
+ * Any Shape can be drawn to a Canvas with its own draw() method, but more
+ * graphical control is available if you instead pass it to a
+ * {@link android.graphics.drawable.ShapeDrawable}.
+ * <p>
+ * Custom Shape classes must implement {@link #clone()} and return an instance
+ * of the custom Shape class.
  */
 public abstract class Shape implements Cloneable {
     private float mWidth;
     private float mHeight;
-    
+
     /**
      * Returns the width of the Shape.
      */
     public final float getWidth() {
         return mWidth;
     }
-    
+
     /**
      * Returns the height of the Shape.
      */
@@ -46,9 +50,10 @@
     }
 
     /**
-     * Draw this shape into the provided Canvas, with the provided Paint.
+     * Draws this shape into the provided Canvas, with the provided Paint.
+     * <p>
      * Before calling this, you must call {@link #resize(float,float)}.
-     * 
+     *
      * @param canvas the Canvas within which this shape should be drawn
      * @param paint  the Paint object that defines this shape's characteristics
      */
@@ -56,8 +61,9 @@
 
     /**
      * Resizes the dimensions of this shape.
+     * <p>
      * Must be called before {@link #draw(Canvas,Paint)}.
-     * 
+     *
      * @param width the width of the shape (in pixels)
      * @param height the height of the shape (in pixels)
      */
@@ -74,30 +80,34 @@
             onResize(width, height);
         }
     }
-    
+
     /**
      * Checks whether the Shape is opaque.
-     * Default impl returns true. Override if your subclass can be opaque.
-     * 
-     * @return true if any part of the drawable is <em>not</em> opaque. 
+     * <p>
+     * Default impl returns {@code true}. Override if your subclass can be
+     * opaque.
+     *
+     * @return true if any part of the drawable is <em>not</em> opaque.
      */
     public boolean hasAlpha() {
         return true;
     }
-    
+
     /**
      * Callback method called when {@link #resize(float,float)} is executed.
-     * 
+     *
      * @param width the new width of the Shape
      * @param height the new height of the Shape
      */
     protected void onResize(float width, float height) {}
 
     /**
-     * Compute the Outline of the shape and return it in the supplied Outline
-     * parameter. The default implementation does nothing and {@code outline} is not changed.
+     * Computes the Outline of the shape and return it in the supplied Outline
+     * parameter. The default implementation does nothing and {@code outline}
+     * is not changed.
      *
-     * @param outline The Outline to be populated with the result. Should not be null.
+     * @param outline the Outline to be populated with the result. Must be
+     *                non-{@code null}.
      */
     public void getOutline(@NonNull Outline outline) {}
 
@@ -105,5 +115,4 @@
     public Shape clone() throws CloneNotSupportedException {
         return (Shape) super.clone();
     }
-
 }
diff --git a/keystore/java/android/security/IKeyChainAliasCallback.aidl b/keystore/java/android/security/IKeyChainAliasCallback.aidl
index 1ea9521..b9d3753 100644
--- a/keystore/java/android/security/IKeyChainAliasCallback.aidl
+++ b/keystore/java/android/security/IKeyChainAliasCallback.aidl
@@ -20,7 +20,7 @@
  *
  * @hide
  */
-interface IKeyChainAliasCallback {
+oneway interface IKeyChainAliasCallback {
 
     void alias(String alias);
 }
diff --git a/libs/hwui/SkiaCanvas.cpp b/libs/hwui/SkiaCanvas.cpp
index c57b1b3..7cab11a 100644
--- a/libs/hwui/SkiaCanvas.cpp
+++ b/libs/hwui/SkiaCanvas.cpp
@@ -73,24 +73,6 @@
 // Canvas state operations: Replace Bitmap
 // ----------------------------------------------------------------------------
 
-class ClipCopier : public SkCanvas::ClipVisitor {
-public:
-    explicit ClipCopier(SkCanvas* dstCanvas) : m_dstCanvas(dstCanvas) {}
-
-    virtual void clipRect(const SkRect& rect, SkClipOp op, bool antialias) {
-        m_dstCanvas->clipRect(rect, op, antialias);
-    }
-    virtual void clipRRect(const SkRRect& rrect, SkClipOp op, bool antialias) {
-        m_dstCanvas->clipRRect(rrect, op, antialias);
-    }
-    virtual void clipPath(const SkPath& path, SkClipOp op, bool antialias) {
-        m_dstCanvas->clipPath(path, op, antialias);
-    }
-
-private:
-    SkCanvas* m_dstCanvas;
-};
-
 void SkiaCanvas::setBitmap(const SkBitmap& bitmap) {
     SkCanvas* newCanvas = new SkCanvas(bitmap);
 
@@ -98,8 +80,9 @@
         // Copy the canvas matrix & clip state.
         newCanvas->setMatrix(mCanvas->getTotalMatrix());
 
-        ClipCopier copier(newCanvas);
-        mCanvas->replayClips(&copier);
+        SkRegion rgn;
+        mCanvas->temporary_internal_getRgnClip(&rgn);
+        newCanvas->clipRegion(rgn, SkClipOp::kIntersect);
     }
 
     // deletes the previously owned canvas (if any)
diff --git a/libs/hwui/hwui/Canvas.cpp b/libs/hwui/hwui/Canvas.cpp
index c365b5d..c64a89d 100644
--- a/libs/hwui/hwui/Canvas.cpp
+++ b/libs/hwui/hwui/Canvas.cpp
@@ -153,8 +153,8 @@
     // minikin may modify the original paint
     Paint paint(origPaint);
 
-    minikin::Layout layout;
-    MinikinUtils::doLayout(&layout, &paint, bidiFlags, typeface, text, start, count, contextCount);
+    minikin::Layout layout = MinikinUtils::doLayout(
+            &paint, bidiFlags, typeface, text, start, count, contextCount);
 
     size_t nGlyphs = layout.nGlyphs();
     std::unique_ptr<uint16_t[]> glyphs(new uint16_t[nGlyphs]);
@@ -205,8 +205,8 @@
 void Canvas::drawTextOnPath(const uint16_t* text, int count, int bidiFlags, const SkPath& path,
         float hOffset, float vOffset, const Paint& paint, Typeface* typeface) {
     Paint paintCopy(paint);
-    minikin::Layout layout;
-    MinikinUtils::doLayout(&layout, &paintCopy, bidiFlags, typeface, text, 0, count, count);
+    minikin::Layout layout = MinikinUtils::doLayout(
+            &paintCopy, bidiFlags, typeface, text, 0, count, count);
     hOffset += MinikinUtils::hOffsetForTextAlign(&paintCopy, layout, path);
 
     // Set align to left for drawing, as we don't want individual
diff --git a/libs/hwui/hwui/MinikinSkia.cpp b/libs/hwui/hwui/MinikinSkia.cpp
index cbae0a0..ba4e3a4 100644
--- a/libs/hwui/hwui/MinikinSkia.cpp
+++ b/libs/hwui/hwui/MinikinSkia.cpp
@@ -91,7 +91,7 @@
     return mAxes;
 }
 
-minikin::MinikinFont* MinikinFontSkia::createFontWithVariation(
+std::shared_ptr<minikin::MinikinFont> MinikinFontSkia::createFontWithVariation(
         const std::vector<minikin::FontVariation>& variations) const {
     SkFontMgr::FontParameters params;
 
@@ -110,7 +110,8 @@
     sk_sp<SkFontMgr> fm(SkFontMgr::RefDefault());
     sk_sp<SkTypeface> face(fm->createFromStream(stream, params));
 
-    return new MinikinFontSkia(std::move(face), mFontData, mFontSize, ttcIndex, variations);
+    return std::make_shared<MinikinFontSkia>(std::move(face), mFontData, mFontSize, ttcIndex,
+            variations);
 }
 
 uint32_t MinikinFontSkia::packPaintFlags(const SkPaint* paint) {
diff --git a/libs/hwui/hwui/MinikinSkia.h b/libs/hwui/hwui/MinikinSkia.h
index db59fe5..6c12485 100644
--- a/libs/hwui/hwui/MinikinSkia.h
+++ b/libs/hwui/hwui/MinikinSkia.h
@@ -45,7 +45,7 @@
     size_t GetFontSize() const;
     int GetFontIndex() const;
     const std::vector<minikin::FontVariation>& GetAxes() const;
-    minikin::MinikinFont* createFontWithVariation(
+    std::shared_ptr<minikin::MinikinFont> createFontWithVariation(
             const std::vector<minikin::FontVariation>&) const;
 
     static uint32_t packPaintFlags(const SkPaint* paint);
diff --git a/libs/hwui/hwui/MinikinUtils.cpp b/libs/hwui/hwui/MinikinUtils.cpp
index 713e509..d1871ff 100644
--- a/libs/hwui/hwui/MinikinUtils.cpp
+++ b/libs/hwui/hwui/MinikinUtils.cpp
@@ -27,9 +27,8 @@
 namespace android {
 
 minikin::FontStyle MinikinUtils::prepareMinikinPaint(minikin::MinikinPaint* minikinPaint,
-        minikin::FontCollection** pFont, const Paint* paint, Typeface* typeface) {
+        const Paint* paint, Typeface* typeface) {
     const Typeface* resolvedFace = Typeface::resolveDefault(typeface);
-    *pFont = resolvedFace->fFontCollection;
     minikin::FontStyle resolved = resolvedFace->fStyle;
 
     /* Prepare minikin FontStyle */
@@ -54,23 +53,23 @@
     return minikinStyle;
 }
 
-void MinikinUtils::doLayout(minikin::Layout* layout, const Paint* paint, int bidiFlags,
+minikin::Layout MinikinUtils::doLayout(const Paint* paint, int bidiFlags,
         Typeface* typeface, const uint16_t* buf, size_t start, size_t count,
         size_t bufSize) {
-    minikin::FontCollection *font;
     minikin::MinikinPaint minikinPaint;
-    minikin::FontStyle minikinStyle = prepareMinikinPaint(&minikinPaint, &font, paint, typeface);
-    layout->setFontCollection(font);
-    layout->doLayout(buf, start, count, bufSize, bidiFlags, minikinStyle, minikinPaint);
+    minikin::FontStyle minikinStyle = prepareMinikinPaint(&minikinPaint, paint, typeface);
+    minikin::Layout layout(Typeface::resolveDefault(typeface)->fFontCollection);
+    layout.doLayout(buf, start, count, bufSize, bidiFlags, minikinStyle, minikinPaint);
+    return layout;
 }
 
 float MinikinUtils::measureText(const Paint* paint, int bidiFlags, Typeface* typeface,
         const uint16_t* buf, size_t start, size_t count, size_t bufSize, float *advances) {
-    minikin::FontCollection *font;
     minikin::MinikinPaint minikinPaint;
-    minikin::FontStyle minikinStyle = prepareMinikinPaint(&minikinPaint, &font, paint, typeface);
+    minikin::FontStyle minikinStyle = prepareMinikinPaint(&minikinPaint, paint, typeface);
+    Typeface* resolvedTypeface = Typeface::resolveDefault(typeface);
     return minikin::Layout::measureText(buf, start, count, bufSize, bidiFlags, minikinStyle,
-            minikinPaint, font, advances);
+            minikinPaint, resolvedTypeface->fFontCollection, advances);
 }
 
 bool MinikinUtils::hasVariationSelector(Typeface* typeface, uint32_t codepoint, uint32_t vs) {
diff --git a/libs/hwui/hwui/MinikinUtils.h b/libs/hwui/hwui/MinikinUtils.h
index d6f64d2..0f22adc 100644
--- a/libs/hwui/hwui/MinikinUtils.h
+++ b/libs/hwui/hwui/MinikinUtils.h
@@ -35,9 +35,9 @@
 class MinikinUtils {
 public:
     ANDROID_API static minikin::FontStyle prepareMinikinPaint(minikin::MinikinPaint* minikinPaint,
-            minikin::FontCollection** pFont, const Paint* paint, Typeface* typeface);
+            const Paint* paint, Typeface* typeface);
 
-    ANDROID_API static void doLayout(minikin::Layout* layout, const Paint* paint, int bidiFlags,
+    ANDROID_API static minikin::Layout doLayout(const Paint* paint, int bidiFlags,
             Typeface* typeface, const uint16_t* buf, size_t start, size_t count,
             size_t bufSize);
 
@@ -56,11 +56,11 @@
     ANDROID_API static void forFontRun(const minikin::Layout& layout, Paint* paint, F& f) {
         float saveSkewX = paint->getTextSkewX();
         bool savefakeBold = paint->isFakeBoldText();
-        minikin::MinikinFont* curFont = NULL;
+        const minikin::MinikinFont* curFont = nullptr;
         size_t start = 0;
         size_t nGlyphs = layout.nGlyphs();
         for (size_t i = 0; i < nGlyphs; i++) {
-          minikin::MinikinFont* nextFont = layout.getFont(i);
+            const minikin::MinikinFont* nextFont = layout.getFont(i);
             if (i > 0 && nextFont != curFont) {
                 MinikinFontSkia::populateSkPaint(paint, curFont, layout.getFakery(start));
                 f(start, i);
diff --git a/libs/hwui/hwui/Typeface.cpp b/libs/hwui/hwui/Typeface.cpp
index 9f9fac6..4b8575a 100644
--- a/libs/hwui/hwui/Typeface.cpp
+++ b/libs/hwui/hwui/Typeface.cpp
@@ -64,7 +64,6 @@
     Typeface* result = new Typeface;
     if (result != nullptr) {
         result->fFontCollection = resolvedFace->fFontCollection;
-        result->fFontCollection->Ref();
         result->fSkiaStyle = style;
         result->fBaseWeight = resolvedFace->fBaseWeight;
         resolveStyle(result);
@@ -83,7 +82,6 @@
             // None of passed axes are supported by this collection.
             // So we will reuse the same collection with incrementing reference count.
             result->fFontCollection = resolvedFace->fFontCollection;
-            result->fFontCollection->Ref();
         }
         result->fSkiaStyle = resolvedFace->fSkiaStyle;
         result->fBaseWeight = resolvedFace->fBaseWeight;
@@ -97,7 +95,6 @@
     Typeface* result = new Typeface;
     if (result != nullptr) {
         result->fFontCollection = resolvedFace->fFontCollection;
-        result->fFontCollection->Ref();
         result->fSkiaStyle = resolvedFace->fSkiaStyle;
         result->fBaseWeight = weight;
         resolveStyle(result);
@@ -105,18 +102,19 @@
     return result;
 }
 
-Typeface* Typeface::createFromFamilies(const std::vector<minikin::FontFamily*>& families) {
+Typeface* Typeface::createFromFamilies(
+        std::vector<std::shared_ptr<minikin::FontFamily>>&& families) {
     Typeface* result = new Typeface;
-    result->fFontCollection = new minikin::FontCollection(families);
+    result->fFontCollection.reset(new minikin::FontCollection(families));
     if (families.empty()) {
         ALOGW("createFromFamilies creating empty collection");
         result->fSkiaStyle = SkTypeface::kNormal;
     } else {
         const minikin::FontStyle defaultStyle;
-        minikin::FontFamily* firstFamily = reinterpret_cast<minikin::FontFamily*>(families[0]);
-        minikin::MinikinFont* mf = firstFamily->getClosestMatch(defaultStyle).font;
-        if (mf != NULL) {
-            SkTypeface* skTypeface = reinterpret_cast<MinikinFontSkia*>(mf)->GetSkTypeface();
+        const std::shared_ptr<minikin::FontFamily>& firstFamily = families[0];
+        const minikin::MinikinFont* mf = firstFamily->getClosestMatch(defaultStyle).font;
+        if (mf != nullptr) {
+            SkTypeface* skTypeface = reinterpret_cast<const MinikinFontSkia*>(mf)->GetSkTypeface();
             // TODO: probably better to query more precise style from family, will be important
             // when we open up API to access 100..900 weights
             result->fSkiaStyle = skTypeface->style();
@@ -129,11 +127,6 @@
     return result;
 }
 
-void Typeface::unref() {
-    fFontCollection->Unref();
-    delete this;
-}
-
 void Typeface::setDefault(Typeface* face) {
     gDefaultTypeface = face;
 }
@@ -150,15 +143,12 @@
     sk_sp<SkTypeface> typeface = SkTypeface::MakeFromStream(fontData.release());
     LOG_ALWAYS_FATAL_IF(typeface == nullptr, "Failed to make typeface from %s", kRobotoFont);
 
-    minikin::MinikinFont* font = new MinikinFontSkia(std::move(typeface), data, st.st_size, 0,
-            std::vector<minikin::FontVariation>());
-    minikin::FontFamily* family = new minikin::FontFamily(
-                 std::vector<minikin::Font>({ minikin::Font(font, minikin::FontStyle()) }));
-    font->Unref();
-
-    std::vector<minikin::FontFamily*> typefaces = { family };
-    minikin::FontCollection *collection = new minikin::FontCollection(typefaces);
-    family->Unref();
+    std::shared_ptr<minikin::MinikinFont> font = std::make_shared<MinikinFontSkia>(
+            std::move(typeface), data, st.st_size, 0, std::vector<minikin::FontVariation>());
+    std::shared_ptr<minikin::FontFamily> family = std::make_shared<minikin::FontFamily>(
+            std::vector<minikin::Font>({ minikin::Font(std::move(font), minikin::FontStyle()) }));
+    std::shared_ptr<minikin::FontCollection> collection =
+            std::make_shared<minikin::FontCollection>(std::move(family));
 
     Typeface* hwTypeface = new Typeface();
     hwTypeface->fFontCollection = collection;
diff --git a/libs/hwui/hwui/Typeface.h b/libs/hwui/hwui/Typeface.h
index 4392ebc..19a4f6c5 100644
--- a/libs/hwui/hwui/Typeface.h
+++ b/libs/hwui/hwui/Typeface.h
@@ -23,11 +23,12 @@
 #include <cutils/compiler.h>
 #include <minikin/FontCollection.h>
 #include <vector>
+#include <memory>
 
 namespace android {
 
 struct ANDROID_API Typeface {
-  minikin::FontCollection *fFontCollection;
+    std::shared_ptr<minikin::FontCollection> fFontCollection;
 
     // style used for constructing and querying Typeface objects
     SkTypeface::Style fSkiaStyle;
@@ -37,8 +38,6 @@
     // resolved style actually used for rendering
     minikin::FontStyle fStyle;
 
-    void unref();
-
     static Typeface* resolveDefault(Typeface* src);
 
     static Typeface* createFromTypeface(Typeface* src, SkTypeface::Style style);
@@ -48,7 +47,8 @@
 
     static Typeface* createWeightAlias(Typeface* src, int baseweight);
 
-    static Typeface* createFromFamilies(const std::vector<minikin::FontFamily*>& families);
+    static Typeface* createFromFamilies(
+            std::vector<std::shared_ptr<minikin::FontFamily>>&& families);
 
     static void setDefault(Typeface* face);
 
diff --git a/media/java/android/media/AudioFocusRequest.java b/media/java/android/media/AudioFocusRequest.java
new file mode 100644
index 0000000..1b75a78
--- /dev/null
+++ b/media/java/android/media/AudioFocusRequest.java
@@ -0,0 +1,321 @@
+/*
+ * Copyright (C) 2017 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;
+
+import android.annotation.NonNull;
+import android.annotation.Nullable;
+import android.media.AudioManager.OnAudioFocusChangeListener;
+import android.os.Handler;
+import android.os.Looper;
+
+/**
+ * A class to encapsulate information about an audio focus request.
+ * An {@code AudioFocusRequest} instance is built by {@link Builder}, and is used to
+ * request and abandon audio focus, respectively
+ * with {@link AudioManager#requestAudioFocus(AudioFocusRequest)} and
+ * {@link AudioManager#abandonAudioFocusRequest(AudioFocusRequest)}.
+ * <p>In the context of describing audio focus, the term "ducking" is used. It describes a temporary
+ * lowering of the audio level of an application in response to another application playing audio
+ * concurrently. An example is during the playback of driving directions,
+ * a user listening to music expects the music to "duck" during the playback of the message
+ * announcing directions.
+ */
+// TODO use this class to provide more documentation about audio focus and the new behaviors
+//      describe up to N, and after.
+public final class AudioFocusRequest {
+
+    // default attributes for the request when not specified
+    private final static AudioAttributes FOCUS_DEFAULT_ATTR = new AudioAttributes.Builder()
+            .setUsage(AudioAttributes.USAGE_MEDIA).build();
+
+    private final OnAudioFocusChangeListener mFocusListener; // may be null
+    private final Handler mListenerHandler;                  // may be null
+    private final AudioAttributes mAttr;                     // never null
+    private final int mFocusGain;
+    private final int mFlags;
+
+    //TODO implement use of optional handler
+    private AudioFocusRequest(OnAudioFocusChangeListener listener, Handler handler,
+            AudioAttributes attr, int focusGain, int flags) {
+        mFocusListener = listener;
+        mListenerHandler = handler;
+        mFocusGain = focusGain;
+        mAttr = attr;
+        mFlags = flags;
+    }
+
+    /**
+     * @hide
+     * Checks whether a focus gain constant is a valid value for an audio focus request.
+     * @param focusGain value to check
+     * @return true if focusGain is a valid value for an audio focus request.
+     */
+    final static boolean isValidFocusGain(int focusGain) {
+        switch (focusGain) {
+            case AudioManager.AUDIOFOCUS_GAIN:
+            case AudioManager.AUDIOFOCUS_GAIN_TRANSIENT:
+            case AudioManager.AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK:
+            case AudioManager.AUDIOFOCUS_GAIN_TRANSIENT_EXCLUSIVE:
+                return true;
+            default:
+                return false;
+        }
+    }
+
+    /**
+     * Returns the focus change listener set for this {@code AudioFocusRequest}.
+     * @return null if no {@link AudioManager.OnAudioFocusChangeListener} was set.
+     */
+    public @Nullable OnAudioFocusChangeListener getOnAudioFocusChangeListener() {
+        return mFocusListener;
+    }
+
+    /**
+     * Returns the {@link Handler} to be used for the focus change listener.
+     * @return the same {@code Handler} set in.
+     *   {@link Builder#setOnAudioFocusChangeListener(OnAudioFocusChangeListener, Handler)}, or null
+     *   if no listener was set.
+     */
+    public @Nullable Handler getOnAudioFocusChangeListenerHandler() {
+        return mListenerHandler;
+    }
+
+    /**
+     * Returns the {@link AudioAttributes} set for this {@code AudioFocusRequest}, or the default
+     * attributes if none were set.
+     * @return non-null {@link AudioAttributes}.
+     */
+    public @NonNull AudioAttributes getAudioAttributes() {
+        return mAttr;
+    }
+
+    /**
+     * Returns the type of audio focus request configured for this {@code AudioFocusRequest}.
+     * @return one of {@link AudioManager#AUDIOFOCUS_GAIN},
+     * {@link AudioManager#AUDIOFOCUS_GAIN_TRANSIENT},
+     * {@link AudioManager#AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK}, and
+     * {@link AudioManager#AUDIOFOCUS_GAIN_TRANSIENT_EXCLUSIVE}.
+     */
+    public int getFocusGain() {
+        return mFocusGain;
+    }
+
+    /**
+     * Returns whether the application that would use this {@code AudioFocusRequest} would pause
+     * when it is requested to duck.
+     * @return the duck/pause behavior.
+     */
+    public boolean willPauseWhenDucked() {
+        return (mFlags & AudioManager.AUDIOFOCUS_FLAG_PAUSES_ON_DUCKABLE_LOSS)
+                == AudioManager.AUDIOFOCUS_FLAG_PAUSES_ON_DUCKABLE_LOSS;
+    }
+
+    /**
+     * Returns whether the application that would use this {@code AudioFocusRequest} supports
+     * a focus gain granted after a temporary request failure.
+     * @return whether delayed focus gain is supported.
+     */
+    public boolean acceptsDelayedFocusGain() {
+        return (mFlags & AudioManager.AUDIOFOCUS_FLAG_DELAY_OK)
+                == AudioManager.AUDIOFOCUS_FLAG_DELAY_OK;
+    }
+
+    int getFlags() {
+        return mFlags;
+    }
+
+    /**
+     * Builder class for {@link AudioFocusRequest} objects.
+     * <p> Here is an example where {@code Builder} is used to define the
+     * {@link AudioFocusRequest} for requesting audio focus:
+     *
+     * <pre class="prettyprint">
+     * mAudioManager = (AudioManager) Context.getSystemService(Context.AUDIO_SERVICE);
+     * mPlaybackAttributes = new AudioAttributes.Builder()
+     *         .setUsage(AudioAttributes.USAGE_GAME)
+     *         .setContentType(AudioAttributes.CONTENT_TYPE_MUSIC)
+     *         .build();
+     * mFocusRequest = new AudioFocusRequest.Builder(AudioManager.AUDIOFOCUS_GAIN)
+     *         .setAudioAttributes(mPlaybackAttributes)
+     *         .setAcceptsDelayedFocusGain(true)
+     *         .setOnAudioFocusChangeListener(mMyFocusListener, mMyHandler)
+     *         .build();
+     * mMediaPlayer = new MediaPlayer();
+     *  ...
+     * mMediaPlayer.setAudioAttributes(mPlaybackAttributes);
+     *  ...
+     * mAudioManager.requestAudioFocus(mFocusRequest);
+     *  ...
+     * mAudioManager.abandonAudioFocusRequest(mFocusRequest);
+     * </pre>
+     *
+     */
+    public static final class Builder {
+        private OnAudioFocusChangeListener mFocusListener;
+        private Handler mListenerHandler;
+        private AudioAttributes mAttr = FOCUS_DEFAULT_ATTR;
+        private int mFocusGain;
+        private boolean mPausesOnDuck = false;
+        private boolean mDelayedFocus = false;
+
+        /**
+         * Constructs a new {@code Builder}, and specifies how audio focus
+         * will be requested. Valid values for focus requests are
+         * {@link AudioManager#AUDIOFOCUS_GAIN}, {@link AudioManager#AUDIOFOCUS_GAIN_TRANSIENT},
+         * {@link AudioManager#AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK}, and
+         * {@link AudioManager#AUDIOFOCUS_GAIN_TRANSIENT_EXCLUSIVE}.
+         * <p>By default there is no focus change listener, and the <code>AudioAttributes</code>
+         * have a usage of {@link AudioAttributes#USAGE_MEDIA}.
+         * @param focusGain the type of audio focus gain that will be requested
+         * @throws IllegalArgumentException thrown when an invalid focus gain type is used
+         */
+        public Builder(int focusGain) {
+            setFocusGain(focusGain);
+        }
+
+        /**
+         * Constructs a new {@code Builder} with all the properties of the {@code AudioFocusRequest}
+         * passed as parameter.
+         * Use this method when you want a new request to differ only by some properties.
+         * @param requestToCopy the non-null {@code AudioFocusRequest} to build a duplicate from.
+         * @throws IllegalArgumentException thrown when a null {@code AudioFocusRequest} is used.
+         */
+        public Builder(@NonNull AudioFocusRequest requestToCopy) {
+            if (requestToCopy == null) {
+                throw new IllegalArgumentException("Illegal null AudioFocusRequest");
+            }
+            mAttr = requestToCopy.mAttr;
+            mFocusListener = requestToCopy.mFocusListener;
+            mListenerHandler = requestToCopy.mListenerHandler;
+            mFocusGain = requestToCopy.mFocusGain;
+            mPausesOnDuck = requestToCopy.willPauseWhenDucked();
+            mDelayedFocus = requestToCopy.acceptsDelayedFocusGain();
+        }
+
+        /**
+         * Sets the type of focus gain that will be requested.
+         * Use this method to replace the focus gain when building a request by modifying an
+         * existing {@code AudioFocusRequest} instance.
+         * @param focusGain the type of audio focus gain that will be requested.
+         * @return this {@code Builder} instance
+         * @throws IllegalArgumentException thrown when an invalid focus gain type is used
+         */
+        public @NonNull Builder setFocusGain(int focusGain) {
+            if (!isValidFocusGain(focusGain)) {
+                throw new IllegalArgumentException("Illegal audio focus gain type " + focusGain);
+            }
+            mFocusGain = focusGain;
+            return this;
+        }
+
+        /**
+         * Sets the listener called when audio focus changes after being requested with
+         *   {@link AudioManager#requestAudioFocus(AudioFocusRequest)}, and until being abandoned
+         *   with {@link AudioManager#abandonAudioFocusRequest(AudioFocusRequest)}.
+         *   Note that only focus changes (gains and losses) affecting the focus owner are reported,
+         *   not gains and losses of other focus requesters in the system.
+         * @param listener the listener receiving the focus change notifications.
+         * @param handler the {@link Handler} for the thread on which to execute
+         *   the notifications. If {@code null}, the {@code Handler} associated with the main
+         *   {@link Looper} will be used.
+         * @return this {@code Builder} instance.
+         * @throws IllegalArgumentException thrown when a non-null handler is used with a null
+         *   listener.
+         */
+        public @NonNull Builder setOnAudioFocusChangeListener(
+                @Nullable OnAudioFocusChangeListener listener, @Nullable Handler handler) {
+            if (listener == null && handler != null) {
+                throw new IllegalArgumentException(
+                        "Illegal non-null handler without a focus listener");
+            }
+            mFocusListener = listener;
+            mListenerHandler = handler;
+            return this;
+        }
+
+        /**
+         * Sets the {@link AudioAttributes} to be associated with the focus request, and which
+         * describe the use case describing why focus is requested.
+         * As the focus requests typically precede audio playback, this information is used on
+         * certain platforms to declare the subsequent playback use case. It is therefore good
+         * practice to use in this method the same {@code AudioAttributes} as used for
+         * playback, see for example {@link MediaPlayer#setAudioAttributes(AudioAttributes)} in
+         * {@code MediaPlayer} or {@link AudioTrack.Builder#setAudioAttributes(AudioAttributes)}
+         * in {@code AudioTrack}.
+         * @param attributes the {@link AudioAttributes} for the focus request.
+         * @return this {@code Builder} instance.
+         * @throws IllegalArgumentException thrown when using null for the attributes.
+         */
+        public @NonNull Builder setAudioAttributes(@NonNull AudioAttributes attributes) {
+            if (attributes == null) {
+                throw new IllegalArgumentException("Illegal null AudioAttributes");
+            }
+            mAttr = attributes;
+            return this;
+        }
+
+        /**
+         * Declare the intended behavior of the application with regards to audio ducking.
+         * See more details in the {@link AudioFocusRequest} class documentation.
+         * @param pauseOnDuck use {@code true} if the application intends to pause audio playback
+         *    when losing focus with {@link AudioManager#AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK}.
+         *    If {@code true}, note that you must also set a focus listener to receive such an
+         *    event, with
+         *    {@link #setOnAudioFocusChangeListener(OnAudioFocusChangeListener, Handler)}.
+         * @return this {@code Builder} instance.
+         */
+        public @NonNull Builder setWillPauseWhenDucked(boolean pauseOnDuck) {
+            mPausesOnDuck = pauseOnDuck;
+            return this;
+        }
+
+        /**
+         * Marks this focus request as compatible with delayed focus.
+         * See more details about delayed focus in the {@link AudioFocusRequest} class
+         * documentation.
+         * @param acceptsDelayedFocusGain use {@code true} if the application supports delayed
+         *    focus. If {@code true}, note that you must also set a focus listener to be notified
+         *    of delayed focus gain, with
+         *    {@link #setOnAudioFocusChangeListener(OnAudioFocusChangeListener, Handler)}.
+         * @return this {@code Builder} instance
+         */
+        public @NonNull Builder setAcceptsDelayedFocusGain(boolean acceptsDelayedFocusGain) {
+            mDelayedFocus = acceptsDelayedFocusGain;
+            return this;
+        }
+
+        /**
+         * Builds a new {@code AudioFocusRequest} instance combining all the information gathered
+         * by this {@code Builder}'s configuration methods.
+         * @return the {@code AudioFocusRequest} instance qualified by all the properties set
+         *   on this {@code Builder}.
+         * @throws IllegalArgumentException thrown when focus request is set to accept delayed
+         *    focus, or to pause on duck, but no focus change listener was set.
+         */
+        public AudioFocusRequest build() {
+            if ((mDelayedFocus || mPausesOnDuck) && (mFocusListener == null)) {
+                throw new IllegalArgumentException(
+                        "Can't use delayed focus or pause on duck without a listener");
+            }
+            final int flags = 0
+                    | (mDelayedFocus ? AudioManager.AUDIOFOCUS_FLAG_DELAY_OK : 0)
+                    | (mPausesOnDuck ? AudioManager.AUDIOFOCUS_FLAG_PAUSES_ON_DUCKABLE_LOSS : 0);
+            return new AudioFocusRequest(mFocusListener, mListenerHandler,
+                    mAttr, mFocusGain, flags);
+        }
+    }
+}
diff --git a/media/java/android/media/AudioManager.java b/media/java/android/media/AudioManager.java
index 95d354b..dc69a69 100644
--- a/media/java/android/media/AudioManager.java
+++ b/media/java/android/media/AudioManager.java
@@ -2209,11 +2209,11 @@
      */
     public static final int AUDIOFOCUS_REQUEST_GRANTED = 1;
      /**
-      * @hide
       * A focus change request whose granting is delayed: the request was successful, but the
       * requester will only be granted audio focus once the condition that prevented immediate
       * granting has ended.
-      * See {@link #requestAudioFocus(OnAudioFocusChangeListener, AudioAttributes, int, int)}
+      * See {@link #requestAudioFocus(AudioFocusRequest)} and
+      * {@link AudioFocusRequest.Builder#setAcceptsDelayedFocusGain(boolean)}
       */
     public static final int AUDIOFOCUS_REQUEST_DELAYED = 2;
 
@@ -2293,6 +2293,44 @@
             | AUDIOFOCUS_FLAG_PAUSES_ON_DUCKABLE_LOSS | AUDIOFOCUS_FLAG_LOCK;
 
     /**
+     * Request audio focus.
+     * See the {@link AudioFocusRequest} for information about the options available to configure
+     * your request, and notification of focus gain and loss.
+     * @param focusRequest a {@link AudioFocusRequest} instance used to configure how focus is
+     *   requested.
+     * @return {@link #AUDIOFOCUS_REQUEST_FAILED}, {@link #AUDIOFOCUS_REQUEST_GRANTED}
+     *     or {@link #AUDIOFOCUS_REQUEST_DELAYED}.
+     *     <br>Note that the return value is never {@link #AUDIOFOCUS_REQUEST_DELAYED} when focus
+     *     is requested without building the {@link AudioFocusRequest} with
+     *     {@link AudioFocusRequest.Builder#setAcceptsDelayedFocusGain(boolean)} set to
+     *     {@code true}.
+     * @throws IllegalArgumentException if passed a null argument
+     */
+    public int requestAudioFocus(@NonNull AudioFocusRequest focusRequest) {
+        if (focusRequest == null) {
+            throw new IllegalArgumentException("Illegal null AudioFocusRequest");
+        }
+        return requestAudioFocus(focusRequest.getOnAudioFocusChangeListener(),
+                focusRequest.getAudioAttributes(),
+                focusRequest.getFocusGain(), focusRequest.getFlags(), null /* no AudioPolicy*/);
+    }
+
+    /**
+     *  Abandon audio focus. Causes the previous focus owner, if any, to receive focus.
+     *  @param focusRequest the {@link AudioFocusRequest} that was used when requesting focus
+     *      with {@link #requestAudioFocus(AudioFocusRequest)}.
+     *  @return {@link #AUDIOFOCUS_REQUEST_FAILED} or {@link #AUDIOFOCUS_REQUEST_GRANTED}
+     *  @throws IllegalArgumentException if passed a null argument
+     */
+    public int abandonAudioFocusRequest(@NonNull AudioFocusRequest focusRequest) {
+        if (focusRequest == null) {
+            throw new IllegalArgumentException("Illegal null AudioFocusRequest");
+        }
+        return abandonAudioFocus(focusRequest.getOnAudioFocusChangeListener(),
+                focusRequest.getAudioAttributes());
+    }
+
+    /**
      * @hide
      * Request audio focus.
      * Send a request to obtain the audio focus. This method differs from
@@ -2372,8 +2410,7 @@
         if (requestAttributes == null) {
             throw new IllegalArgumentException("Illegal null AudioAttributes argument");
         }
-        if ((durationHint < AUDIOFOCUS_GAIN) ||
-                (durationHint > AUDIOFOCUS_GAIN_TRANSIENT_EXCLUSIVE)) {
+        if (!AudioFocusRequest.isValidFocusGain(durationHint)) {
             throw new IllegalArgumentException("Invalid duration hint");
         }
         if (flags != (flags & AUDIOFOCUS_FLAGS_SYSTEM)) {
diff --git a/media/java/android/media/AudioTrack.java b/media/java/android/media/AudioTrack.java
index ddd8a65..7f5d3a0 100644
--- a/media/java/android/media/AudioTrack.java
+++ b/media/java/android/media/AudioTrack.java
@@ -79,6 +79,7 @@
  */
 public class AudioTrack extends PlayerBase
                         implements AudioRouting
+                                 , VolumeAutomation
 {
     //---------------------------------------------------------
     // Constants
@@ -1753,6 +1754,12 @@
         return native_getVolumeShaperState(id);
     }
 
+    @Override
+    public @NonNull VolumeShaper createVolumeShaper(
+            @NonNull VolumeShaper.Configuration configuration) {
+        return new VolumeShaper(configuration, this);
+    }
+
     /**
      * Sets the playback sample rate for this track. This sets the sampling rate at which
      * the audio data will be consumed and played back
diff --git a/media/java/android/media/MediaFormat.java b/media/java/android/media/MediaFormat.java
index 4791cf0..e77c00b 100644
--- a/media/java/android/media/MediaFormat.java
+++ b/media/java/android/media/MediaFormat.java
@@ -53,6 +53,7 @@
  *         time-interval between key frames.
  *         Float support added in {@link android.os.Build.VERSION_CODES#N_MR1}</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_LATENCY}</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>encoder in surface-mode
@@ -577,6 +578,18 @@
     public static final String KEY_LEVEL = "level";
 
     /**
+    * An optional key describing the desired encoder latency in frames. This is an optional
+    * parameter that applies only to video encoders. If encoder supports it, it should ouput
+    * at least one output frame after being queued the specified number of frames. This key
+    * is ignored if the video encoder does not support the latency feature. Use the output
+    * format to verify that this feature was enabled and the actual value used by the encoder.
+    * <p>
+    * If the key is not specified, the default latency will be implenmentation specific.
+    * The associated value is an integer.
+    */
+    public static final String KEY_LATENCY = "latency";
+
+    /**
      * A key describing the desired clockwise rotation on an output surface.
      * This key is only used when the codec is configured using an output surface.
      * The associated value is an integer, representing degrees. Supported values
diff --git a/media/java/android/media/MediaMuxer.java b/media/java/android/media/MediaMuxer.java
index aacce91..832b297 100644
--- a/media/java/android/media/MediaMuxer.java
+++ b/media/java/android/media/MediaMuxer.java
@@ -68,44 +68,46 @@
 
  <h4>Metadata Track</h4>
  <p>
-  Metadata is usefule in carrying extra information that correlated with video or audio to
-  facilate offline processing, e.g. gyro signals from the sensor. Meatadata track is only
-  supported in MP4 format. When adding a metadata track, track's mime format must start with
-  prefix "application/", e.g. "applicaton/gyro". Metadata's format/layout will be defined by
-  the application. The generated MP4 file uses TextMetaDataSampleEntry defined in section 12.3.3.2
-  of the ISOBMFF to signal the metadata's mime format. When using {@link android.media.MediaExtractor}
-  to extract the file with metadata track, the mime format of the metadata will be extracted into
-  {@link android.media.MediaFormat}.
+  Per-frame metadata is useful in carrying extra information that correlated with video or audio to
+  facilitate offline processing, e.g. gyro signals from the sensor could help video stabilization when
+  doing offline processing. Metaadata track is only supported in MP4 container. When adding a new
+  metadata track, track's mime format must start with prefix "application/", e.g. "applicaton/gyro".
+  Metadata's format/layout will be defined by the application. Writing metadata is nearly the same as
+  writing video/audio data except that the data will not be from mediacodec. Application just needs
+  to pass the bytebuffer that contains the metadata and also the associated timestamp to the
+  {@link #writeSampleData} api. The timestamp must be in the same time base as video and audio. The
+  generated MP4 file uses TextMetaDataSampleEntry defined in section 12.3.3.2 of the ISOBMFF to signal
+  the metadata's mime format. When using{@link android.media.MediaExtractor} to extract the file with
+  metadata track, the mime format of the metadata will be extracted into {@link android.media.MediaFormat}.
 
  <pre class=prettyprint>
    MediaMuxer muxer = new MediaMuxer("temp.mp4", OutputFormat.MUXER_OUTPUT_MPEG_4);
-   // More often, the MediaFormat will be retrieved from MediaCodec.getOutputFormat()
-   // or MediaExtractor.getTrackFormat().
+   // SetUp Video/Audio Tracks.
    MediaFormat audioFormat = new MediaFormat(...);
    MediaFormat videoFormat = new MediaFormat(...);
+   int audioTrackIndex = muxer.addTrack(audioFormat);
+   int videoTrackIndex = muxer.addTrack(videoFormat);
 
    // Setup Metadata Track
    MediaFormat metadataFormat = new MediaFormat(...);
    metadataFormat.setString(KEY_MIME, "application/gyro");
-
-   int audioTrackIndex = muxer.addTrack(audioFormat);
-   int videoTrackIndex = muxer.addTrack(videoFormat);
    int metadataTrackIndex = muxer.addTrack(metadataFormat);
-   ByteBuffer inputBuffer = ByteBuffer.allocate(bufferSize);
-   boolean finished = false;
-   BufferInfo bufferInfo = new BufferInfo();
 
    muxer.start();
-   while(!finished) {
-     // getInputBuffer() will fill the inputBuffer with one frame of encoded
-     // sample from either MediaCodec or MediaExtractor, set isAudioSample to
-     // true when the sample is audio data, set up all the fields of bufferInfo,
-     // and return true if there are no more samples.
-     finished = getInputBuffer(inputBuffer, sampleType, bufferInfo);
-     if (!finished) {
-       int currentTrackIndex = getTrackIndex(sampleType);
-       muxer.writeSampleData(currentTrackIndex, inputBuffer, bufferInfo);
-     }
+   while(..) {
+       // Allocate bytebuffer and write gyro data(x,y,z) into it.
+       ByteBuffer metaData = ByteBuffer.allocate(bufferSize);
+       metaData.putFloat(x);
+       metaData.putFloat(y);
+       metaData.putFloat(z);
+       BufferInfo metaInfo = new BufferInfo();
+       // Associate this metadata with the video frame by setting
+       // the same timestamp as the video frame.
+       metaInfo.presentationTimeUs = currentVideoTrackTimeUs;
+       metaInfo.offset = 0;
+       metaInfo.flags = 0;
+       metaInfo.size = bufferSize;
+       muxer.writeSampleData(metadataTrackIndex, metaData, metaInfo);
    };
    muxer.stop();
    muxer.release();
diff --git a/media/java/android/media/MediaPlayer.java b/media/java/android/media/MediaPlayer.java
index 5008a5f..1ebbe85 100644
--- a/media/java/android/media/MediaPlayer.java
+++ b/media/java/android/media/MediaPlayer.java
@@ -579,6 +579,7 @@
  */
 public class MediaPlayer extends PlayerBase
                          implements SubtitleController.Listener
+                                  , VolumeAutomation
 {
     /**
        Constant to retrieve only the new metadata since the last
@@ -1373,6 +1374,12 @@
         return native_getVolumeShaperState(id);
     }
 
+    @Override
+    public @NonNull VolumeShaper createVolumeShaper(
+            @NonNull VolumeShaper.Configuration configuration) {
+        return new VolumeShaper(configuration, this);
+    }
+
     private native int native_applyVolumeShaper(
             @NonNull VolumeShaper.Configuration configuration,
             @NonNull VolumeShaper.Operation operation);
diff --git a/media/java/android/media/VolumeAutomation.java b/media/java/android/media/VolumeAutomation.java
new file mode 100644
index 0000000..dff8801
--- /dev/null
+++ b/media/java/android/media/VolumeAutomation.java
@@ -0,0 +1,40 @@
+/*
+ * Copyright 2017 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;
+
+import android.annotation.NonNull;
+import android.media.VolumeShaper.Configuration;
+
+/**
+ * {@code VolumeAutomation} defines an interface for automatic volume control
+ * of {@link AudioTrack} and {@link MediaPlayer} objects.
+ */
+public interface VolumeAutomation {
+    /**
+     * Returns a {@link VolumeShaper} object that can be used modify the volume envelope
+     * of the player or track.
+     *
+     * @param configuration the {@link VolumeShaper.Configuration configuration}
+     *        that specifies the curve and duration to use.
+     * @return a {@code VolumeShaper} object
+     * @throws IllegalArgumentException if the configuration is not allowed by the player.
+     * @throws IllegalStateException if too many VolumeShapers are requested or the state of
+     * the player does not permit its creation (e.g. player is released).
+     */
+    public @NonNull VolumeShaper createVolumeShaper(
+            @NonNull VolumeShaper.Configuration configuration);
+}
diff --git a/media/java/android/media/VolumeShaper.java b/media/java/android/media/VolumeShaper.java
index 4a2c4d8..cb27d10 100644
--- a/media/java/android/media/VolumeShaper.java
+++ b/media/java/android/media/VolumeShaper.java
@@ -23,78 +23,25 @@
 
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.AutoCloseable;
 import java.lang.ref.WeakReference;
 import java.util.Objects;
 
 /**
- * TODO: remove @hide
  * The {@code VolumeShaper} class is used to automatically control audio volume during media
- * playback, allowing for simple implementation of transition effects and ducking.
+ * playback, allowing simple implementation of transition effects and ducking.
  *
  * The {@link VolumeShaper} appears as an additional scaling on the audio output,
- * and can be used independently of track or stream volume controls.
+ * and adjusts independently of track or stream volume controls.
  */
-public final class VolumeShaper {
+public final class VolumeShaper implements AutoCloseable {
     /* member variables */
     private int mId;
     private final WeakReference<PlayerBase> mWeakPlayerBase;
-    private final WeakReference<PlayerProxy> mWeakPlayerProxy;
-    private PlayerProxy mPlayerProxy;
-
-    /**
-     * Constructs a {@code VolumeShaper} from a {@link VolumeShaper.Configuration} and an
-     * {@link AudioTrack}.
-     *
-     * @param configuration
-     * @param audioTrack
-     */
-    public VolumeShaper(@NonNull Configuration configuration, @NonNull AudioTrack audioTrack) {
-        this(configuration, (PlayerBase)audioTrack);
-    }
-
-    /**
-     * Constructs a {@code VolumeShaper} from a {@link VolumeShaper.Configuration} and a
-     * {@link MediaPlayer}.
-     *
-     * @param configuration
-     * @param mediaPlayer
-     */
-    public VolumeShaper(@NonNull Configuration configuration, @NonNull MediaPlayer mediaPlayer) {
-        this(configuration, (PlayerBase)mediaPlayer);
-    }
 
     /* package */ VolumeShaper(
             @NonNull Configuration configuration, @NonNull PlayerBase playerBase) {
         mWeakPlayerBase = new WeakReference<PlayerBase>(playerBase);
-        mPlayerProxy = null;
-        mWeakPlayerProxy = null;
-        mId = applyPlayer(configuration, new Operation.Builder().defer().build());
-    }
-
-    /**
-     * @hide
-     * Constructs a {@code VolumeShaper} from a {@link VolumeShaper.Configuration} and a
-     * {@code PlayerProxy} object.  The PlayerProxy object requires that the configuration
-     * be set with a system VolumeShaper id (this is a reserved value).
-     *
-     * @param configuration
-     * @param playerProxy
-     */
-    public VolumeShaper(
-            @NonNull Configuration configuration,
-            @NonNull PlayerProxy playerProxy,
-            boolean keepReference) {
-        if (configuration.getId() < 0) {
-            throw new IllegalArgumentException("playerProxy configuration id must be specified");
-        }
-        if (keepReference) {
-            mPlayerProxy = playerProxy;
-            mWeakPlayerProxy = null;
-        } else {
-            mWeakPlayerProxy = new WeakReference<PlayerProxy>(playerProxy);
-            mPlayerProxy = null;
-        }
-        mWeakPlayerBase = null;
         mId = applyPlayer(configuration, new Operation.Builder().defer().build());
     }
 
@@ -104,7 +51,7 @@
 
     /**
      * Applies the {@link VolumeShaper.Operation} to the {@code VolumeShaper}.
-     * @param operation
+     * @param operation the {@code operation} to apply.
      */
     public void apply(@NonNull Operation operation) {
         /* void */ applyPlayer(new VolumeShaper.Configuration(mId), operation);
@@ -112,17 +59,16 @@
 
     /**
      * Replaces the current {@code VolumeShaper}
-     * configuration with a new configuration.
+     * {@code configuration} with a new {@code configuration}.
      *
-     * This can be used to dynamically change the {@code VolumeShaper}
-     * configuration by joining several
-     * {@code VolumeShaper} configurations together.
-     * This is useful if the user changes the volume while the
-     * {@code VolumeShaper} is in effect.
+     * This allows the user to change the volume shape
+     * while the existing {@code VolumeShaper} is in effect.
      *
-     * @param configuration
-     * @param operation
-     * @param join
+     * @param configuration the new {@code configuration} to use.
+     * @param operation the operation to apply to the {@code VolumeShaper}
+     * @param join if true, match the start volume of the
+     *             new {@code configuration} to the current volume of the existing
+     *             {@code VolumeShaper}, to avoid discontinuity.
      */
     public void replace(
             @NonNull Configuration configuration, @NonNull Operation operation, boolean join) {
@@ -141,10 +87,11 @@
     }
 
     /**
-     * Releases the {@code VolumeShaper}. Any volume scale due to the
+     * Releases the {@code VolumeShaper} object; any volume scale due to the
      * {@code VolumeShaper} is removed.
      */
-    public void release() {
+    @Override
+    public void close() {
         try {
             /* void */ applyPlayer(
                     new VolumeShaper.Configuration(mId),
@@ -155,15 +102,11 @@
         if (mWeakPlayerBase != null) {
             mWeakPlayerBase.clear();
         }
-        if (mWeakPlayerProxy != null) {
-            mWeakPlayerProxy.clear();
-        }
-        mPlayerProxy = null;
     }
 
     @Override
     protected void finalize() {
-        release(); // ensure we remove the native volume shaper
+        close(); // ensure we remove the native volume shaper
     }
 
     /**
@@ -177,20 +120,7 @@
             @NonNull VolumeShaper.Configuration configuration,
             @NonNull VolumeShaper.Operation operation) {
         final int id;
-        if (mPlayerProxy != null || mWeakPlayerProxy != null) {
-            // The PlayerProxy accepts only one way transactions so
-            // the Configuration must have an id set to one of the system
-            // ids (a positive value less than 16).
-            PlayerProxy player = mWeakPlayerProxy != null ? mWeakPlayerProxy.get() : mPlayerProxy;
-            if (player == null) {
-                throw new IllegalStateException("player deallocated");
-            }
-            id = configuration.getId();
-            if (id < 0) {
-                throw new IllegalArgumentException("proxy requires configuration with id");
-            }
-            player.applyVolumeShaper(configuration, operation);
-        } else if (mWeakPlayerBase != null) {
+        if (mWeakPlayerBase != null) {
             PlayerBase player = mWeakPlayerBase.get();
             if (player == null) {
                 throw new IllegalStateException("player deallocated");
@@ -220,9 +150,7 @@
      */
     private @NonNull VolumeShaper.State getStatePlayer(int id) {
         final VolumeShaper.State state;
-        if (mPlayerProxy != null || mWeakPlayerProxy != null) {
-            throw new IllegalStateException("getStatePlayer not permitted through proxy");
-        } else if (mWeakPlayerBase != null) {
+        if (mWeakPlayerBase != null) {
             PlayerBase player = mWeakPlayerBase.get();
             if (player == null) {
                 throw new IllegalStateException("player deallocated");
@@ -238,11 +166,17 @@
     }
 
     /**
-     * The {@code VolumeShaper.Configuration} class contains curve shape
-     * and parameter information for constructing a {@code VolumeShaper}.
-     * This curve shape and parameter information is specified
-     * on {@code VolumeShaper} creation
-     * and may be replaced through {@link VolumeShaper#replace}.
+     * The {@code VolumeShaper.Configuration} class contains curve
+     * and duration information.
+     * It is constructed by the {@link VolumeShaper.Configuration.Builder}.
+     * <p>
+     * A {@code VolumeShaper.Configuration} is used by
+     * {@link VolumeAutomation#createVolumeShaper(Configuration)
+     * VolumeAutomation#createVolumeShaper(Configuration)} to create
+     * a {@code VolumeShaper} and
+     * by {@link VolumeShaper#replace(Configuration, Operation, boolean)
+     * VolumeShaper#replace(Configuration, Operation, boolean)}
+     * to replace an existing {@code configuration}.
      */
     public static final class Configuration implements Parcelable {
         private static final int MAXIMUM_CURVE_POINTS = 16;
@@ -310,9 +244,9 @@
 
         /**
          * Cubic interpolated volume curve
-         * with local monotonicity preservation.
+         * that preserves local monotonicity.
          * So long as the control points are locally monotonic,
-         * the curve interpolation will also be locally monotonic.
+         * the curve interpolation between those points are monotonic.
          * This is useful for cubic spline interpolated
          * volume ramps and ducks.
          */
@@ -328,6 +262,7 @@
         public @interface OptionFlag {}
 
         /**
+         * @hide
          * Use a dB full scale volume range for the volume curve.
          *<p>
          * The volume scale is typically from 0.f to 1.f on a linear scale;
@@ -337,6 +272,7 @@
         public static final int OPTION_FLAG_VOLUME_IN_DBFS = (1 << 0);
 
         /**
+         * @hide
          * Use clock time instead of media time.
          *<p>
          * The default implementation of {@code VolumeShaper} is to apply
@@ -354,7 +290,8 @@
 
         /**
          * A one second linear ramp from silence to full volume.
-         * Use {@link VolumeShaper.Builder#reflectTimes()} to generate
+         * Use {@link VolumeShaper.Builder#reflectTimes()}
+         * or {@link VolumeShaper.Builder#invertVolumes()} to generate
          * the matching linear duck.
          */
         public static final Configuration LINEAR_RAMP = new VolumeShaper.Configuration.Builder()
@@ -366,7 +303,8 @@
 
         /**
          * A one second cubic ramp from silence to full volume.
-         * Use {@link VolumeShaper.Builder#reflectTimes()} to generate
+         * Use {@link VolumeShaper.Builder#reflectTimes()}
+         * or {@link VolumeShaper.Builder#invertVolumes()} to generate
          * the matching cubic duck.
          */
         public static final Configuration CUBIC_RAMP = new VolumeShaper.Configuration.Builder()
@@ -377,17 +315,19 @@
                 .build();
 
         /**
-         * A one second sine curve for energy preserving cross fades.
+         * A one second sine curve
+         * from silence to full volume for energy preserving cross fades.
          * Use {@link VolumeShaper.Builder#reflectTimes()} to generate
          * the matching cosine duck.
          */
         public static final Configuration SINE_RAMP;
 
         /**
-         * A one second sine-squared s-curve ramp.
+         * A one second sine-squared s-curve ramp
+         * from silence to full volume.
          * Use {@link VolumeShaper.Builder#reflectTimes()}
          * or {@link VolumeShaper.Builder#invertVolumes()} to generate
-         * the matching s-curve duck.
+         * the matching sine-squared s-curve duck.
          */
         public static final Configuration SCURVE_RAMP;
 
@@ -510,6 +450,7 @@
         };
 
         /**
+         * @hide
          * Constructs a volume shaper from an id.
          *
          * This is an opaque handle for controlling a {@code VolumeShaper} that has
@@ -522,7 +463,7 @@
          * @param id
          * @throws IllegalArgumentException if id is negative.
          */
-        private Configuration(int id) {
+        public Configuration(int id) {
             if (id < 0) {
                 throw new IllegalArgumentException("negative id " + id);
             }
@@ -557,6 +498,7 @@
         }
 
         /**
+         * @hide
          * Returns the {@code VolumeShaper} type.
          */
         public @Type int getType() {
@@ -579,6 +521,7 @@
         }
 
         /**
+         * @hide
          * Returns the option flags
          */
         public @OptionFlag int getOptionFlags() {
@@ -590,7 +533,7 @@
         }
 
         /**
-         * Returns the duration of the effect in milliseconds.
+         * Returns the duration of the volume shape in milliseconds.
          */
         public double getDurationMs() {
             return mDurationMs;
@@ -712,21 +655,22 @@
             private int mType = TYPE_SCALE;
             private int mId = -1; // invalid
             private int mInterpolatorType = INTERPOLATOR_TYPE_CUBIC;
-            private int mOptionFlags = 0;
+            private int mOptionFlags = OPTION_FLAG_CLOCK_TIME;
             private double mDurationMs = 1000.;
             private float[] mTimes = null;
             private float[] mVolumes = null;
 
             /**
-             * Constructs a new Builder with the defaults.
+             * Constructs a new {@code Builder} with the defaults.
              */
             public Builder() {
             }
 
             /**
-             * Constructs a new Builder from a given {@code VolumeShaper.Configuration}
+             * Constructs a new {@code Builder} with settings
+             * copied from a given {@code VolumeShaper.Configuration}.
              * @param configuration prototypical configuration
-             *        which will be reused in the new Builder.
+             *        which will be reused in the new {@code Builder}.
              */
             public Builder(@NonNull Configuration configuration) {
                 mType = configuration.getType();
@@ -740,8 +684,6 @@
 
             /**
              * @hide
-             * TODO make SystemApi
-             *
              * Set the id for system defined shapers.
              * @param id
              * @return
@@ -757,7 +699,11 @@
              * If omitted the interplator type is {@link #INTERPOLATOR_TYPE_CUBIC}.
              *
              * @param interpolatorType method of interpolation used for the volume curve.
-             * @return the same Builder instance.
+             *        One of {@link #INTERPOLATOR_TYPE_STEP},
+             *        {@link #INTERPOLATOR_TYPE_LINEAR},
+             *        {@link #INTERPOLATOR_TYPE_CUBIC},
+             *        {@link #INTERPOLATOR_TYPE_CUBIC_MONOTONIC}.
+             * @return the same {@code Builder} instance.
              * @throws IllegalArgumentException if {@code interpolatorType} is not valid.
              */
             public @NonNull Builder setInterpolatorType(@InterpolatorType int interpolatorType) {
@@ -776,6 +722,7 @@
             }
 
             /**
+             * @hide
              * Sets the optional flags
              *
              * If omitted, flags are 0. If {@link #OPTION_FLAG_VOLUME_IN_DBFS} has
@@ -783,7 +730,7 @@
              * volume domain has changed.
              *
              * @param optionFlags new value to replace the old {@code optionFlags}.
-             * @return the same Builder instance.
+             * @return the same {@code Builder} instance.
              * @throws IllegalArgumentException if flag is not recognized.
              */
             public @NonNull Builder setOptionFlags(@OptionFlag int optionFlags) {
@@ -800,8 +747,9 @@
              * If omitted, the default duration is 1 second.
              *
              * @param durationMs
-             * @return the same Builder instance.
-             * @throws IllegalArgumentException if duration is not positive.
+             * @return the same {@code Builder} instance.
+             * @throws IllegalArgumentException if {@code durationMs}
+             *         is not strictly positive.
              */
             public @NonNull Builder setDurationMs(double durationMs) {
                 if (durationMs <= 0.) {
@@ -823,19 +771,23 @@
              * and no greater than {@link VolumeShaper.Configuration#getMaximumCurvePoints()}.
              * <p>
              * The volume curve is normalized as follows:
-             * (1) time (x) coordinates should be monotonically increasing, from 0.f to 1.f;
-             * (2) volume (y) coordinates must be within 0.f to 1.f for linear and be non-positive
-             *     for log scaling.
+             * time (x) coordinates should be monotonically increasing, from 0.f to 1.f;
+             * volume (y) coordinates must be within 0.f to 1.f.
              * <p>
-             * The time scale is set by {@link #setDurationMs} in seconds.
+             * The time scale is set by {@link #setDurationMs}.
              * <p>
              * @param times an array of float values representing
              *        the time line of the volume curve.
              * @param volumes an array of float values representing
              *        the amplitude of the volume curve.
-             * @return the same Builder instance.
+             * @return the same {@code Builder} instance.
              * @throws IllegalArgumentException if {@code times} or {@code volumes} is invalid.
              */
+
+            /* Note: volume (y) coordinates must be non-positive for log scaling,
+             * if {@link VolumeShaper.Configuration#OPTION_FLAG_VOLUME_IN_DBFS} is set.
+             */
+
             public @NonNull Builder setCurve(@NonNull float[] times, @NonNull float[] volumes) {
                 String error = checkCurveForErrors(
                         times, volumes, (mOptionFlags & OPTION_FLAG_VOLUME_IN_DBFS) != 0);
@@ -852,7 +804,7 @@
              * the shaper changes volume from the end
              * to the start.
              *
-             * @return the same Builder instance.
+             * @return the same {@code Builder} instance.
              */
             public @NonNull Builder reflectTimes() {
                 int i;
@@ -871,7 +823,7 @@
              * Inverts the volume curve so that the max volume
              * becomes the min volume and vice versa.
              *
-             * @return the same Builder instance.
+             * @return the same {@code Builder} instance.
              */
             public @NonNull Builder invertVolumes() {
                 if (mVolumes.length >= 2) {
@@ -899,8 +851,9 @@
              * Keeps the start volume the same.
              * This works best if the volume curve is monotonic.
              *
-             * @return the same Builder instance.
-             * @throws IllegalArgumentException if volume is not valid.
+             * @param volume the target end volume to use.
+             * @return the same {@code Builder} instance.
+             * @throws IllegalArgumentException if {@code volume} is not valid.
              */
             public @NonNull Builder scaleToEndVolume(float volume) {
                 final boolean log = (mOptionFlags & OPTION_FLAG_VOLUME_IN_DBFS) != 0;
@@ -930,8 +883,9 @@
              * Keeps the end volume the same.
              * This works best if the volume curve is monotonic.
              *
-             * @return the same Builder instance.
-             * @throws IllegalArgumentException if volume is not valid.
+             * @param volume the target start volume to use.
+             * @return the same {@code Builder} instance.
+             * @throws IllegalArgumentException if {@code volume} is not valid.
              */
             public @NonNull Builder scaleToStartVolume(float volume) {
                 final boolean log = (mOptionFlags & OPTION_FLAG_VOLUME_IN_DBFS) != 0;
@@ -978,6 +932,8 @@
     public static final class Operation implements Parcelable {
         /**
          * Forward playback from current volume time position.
+         * At the end of the {@code VolumeShaper} curve,
+         * the last volume value persists.
          */
         public static final Operation PLAY =
                 new VolumeShaper.Operation.Builder()
@@ -985,6 +941,8 @@
 
         /**
          * Reverse playback from current volume time position.
+         * When the position reaches the start of the {@code VolumeShaper} curve,
+         * the first volume value persists.
          */
         public static final Operation REVERSE =
                 new VolumeShaper.Operation.Builder()
@@ -1039,6 +997,13 @@
          */
         private static final int FLAG_DEFER = 1 << 3;
 
+        /**
+         * Use the id specified in the configuration, creating
+         * VolumeShaper as needed; the configuration should be
+         * TYPE_SCALE.
+         */
+        private static final int FLAG_CREATE_IF_NEEDED = 1 << 4;
+
         private static final int FLAG_PUBLIC_ALL = FLAG_REVERSE | FLAG_TERMINATE;
 
         private final int mFlags;
@@ -1126,15 +1091,13 @@
             }
 
             /**
-             * Replaces the previous {@code VolumeShaper}.
+             * Replaces the previous {@code VolumeShaper} specified by id.
              * It has no other effect if the {@code VolumeShaper} is
-             * already expired. If the replaceId is the same as the id associated with
-             * the {@code VolumeShaper} in a {@code setVolumeShaper()} call,
-             * an error is returned.
-             * @param handle is a previous volumeShaper {@code VolumeShaper}.
-             * @param join the start to match the current volume of the previous
-             * shaper.
-             * @return the same Builder instance.
+             * already expired.
+             * @param id the id of the previous {@code VolumeShaper}.
+             * @param join if true, match the volume of the previous
+             * shaper to the start volume of the new {@code VolumeShaper}.
+             * @return the same {@code Builder} instance.
              */
             public @NonNull Builder replace(int id, boolean join) {
                 mReplaceId = id;
@@ -1148,7 +1111,7 @@
 
             /**
              * Defers all operations.
-             * @return the same Builder instance.
+             * @return the same {@code Builder} instance.
              */
             public @NonNull Builder defer() {
                 mFlags |= FLAG_DEFER;
@@ -1158,7 +1121,7 @@
             /**
              * Terminates the VolumeShaper.
              * Do not call directly, use {@link VolumeShaper#release()}.
-             * @return the same Builder instance.
+             * @return the same {@code Builder} instance.
              */
             public @NonNull Builder terminate() {
                 mFlags |= FLAG_TERMINATE;
@@ -1167,7 +1130,7 @@
 
             /**
              * Reverses direction.
-             * @return the same Builder instance.
+             * @return the same {@code Builder} instance.
              */
             public @NonNull Builder reverse() {
                 mFlags ^= FLAG_REVERSE;
@@ -1175,11 +1138,22 @@
             }
 
             /**
+             * Use the id specified in the configuration, creating
+             * VolumeShaper as needed; the configuration should be
+             * TYPE_SCALE.
+             * @return the same {@code Builder} instance.
+             */
+            public @NonNull Builder createIfNeeded() {
+                mFlags |= FLAG_CREATE_IF_NEEDED;
+                return this;
+            }
+
+            /**
              * Sets the operation flag.  Do not call this directly but one of the
              * other builder methods.
              *
              * @param flags new value for {@code flags}, consisting of ORed flags.
-             * @return the same Builder instance.
+             * @return the same {@code Builder} instance.
              */
             private @NonNull Builder setFlags(@Flag int flags) {
                 if ((flags & ~FLAG_PUBLIC_ALL) != 0) {
diff --git a/native/android/Android.mk b/native/android/Android.mk
index 1c1ff82..57f996c 100644
--- a/native/android/Android.mk
+++ b/native/android/Android.mk
@@ -19,6 +19,7 @@
     net.c \
     obb.cpp \
     sensor.cpp \
+    sharedmem.cpp \
     storage_manager.cpp \
     trace.cpp \
 
diff --git a/native/android/libandroid.map.txt b/native/android/libandroid.map.txt
index f9e8fda..e2623d4 100644
--- a/native/android/libandroid.map.txt
+++ b/native/android/libandroid.map.txt
@@ -186,6 +186,9 @@
     ASensor_getType;
     ASensor_getVendor;
     ASensor_isWakeUpSensor; # introduced=21
+    ASharedMemory_create; # introduced=26
+    ASharedMemory_getSize; # introduced=26
+    ASharedMemory_setProt; # introduced=26
     AStorageManager_delete;
     AStorageManager_getMountedObbPath;
     AStorageManager_isObbMounted;
diff --git a/native/android/sharedmem.cpp b/native/android/sharedmem.cpp
new file mode 100644
index 0000000..9d029dfa
--- /dev/null
+++ b/native/android/sharedmem.cpp
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2017 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.
+ */
+
+#include <android/sharedmem.h>
+#include <cutils/ashmem.h>
+#include <utils/Errors.h>
+
+int ASharedMemory_create(const char *name, size_t size) {
+    if (size == 0) {
+        return android::BAD_VALUE;
+    }
+    return ashmem_create_region(name, size);
+}
+
+size_t ASharedMemory_getSize(int fd) {
+    return ashmem_valid(fd) ? ashmem_get_size_region(fd) : 0;
+}
+
+int ASharedMemory_setProt(int fd, int prot) {
+    return ashmem_set_prot_region(fd, prot);
+}
diff --git a/packages/ExternalStorageProvider/src/com/android/externalstorage/ExternalStorageProvider.java b/packages/ExternalStorageProvider/src/com/android/externalstorage/ExternalStorageProvider.java
index 22a5b7f..3cc9f65e 100644
--- a/packages/ExternalStorageProvider/src/com/android/externalstorage/ExternalStorageProvider.java
+++ b/packages/ExternalStorageProvider/src/com/android/externalstorage/ExternalStorageProvider.java
@@ -56,6 +56,7 @@
 import android.webkit.MimeTypeMap;
 
 import com.android.internal.annotations.GuardedBy;
+import com.android.internal.content.FileSystemProvider;
 import com.android.internal.util.IndentingPrintWriter;
 
 import java.io.File;
@@ -63,15 +64,15 @@
 import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.io.PrintWriter;
+import java.util.Collections;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.Objects;
 
-public class ExternalStorageProvider extends DocumentsProvider {
+public class ExternalStorageProvider extends FileSystemProvider {
     private static final String TAG = "ExternalStorage";
 
     private static final boolean DEBUG = false;
-    private static final boolean LOG_INOTIFY = false;
 
     public static final String AUTHORITY = "com.android.externalstorage.documents";
 
@@ -105,20 +106,17 @@
     private static final String ROOT_ID_HOME = "home";
 
     private StorageManager mStorageManager;
-    private Handler mHandler;
 
     private final Object mRootsLock = new Object();
 
     @GuardedBy("mRootsLock")
     private ArrayMap<String, RootInfo> mRoots = new ArrayMap<>();
 
-    @GuardedBy("mObservers")
-    private ArrayMap<File, DirectoryObserver> mObservers = new ArrayMap<>();
-
     @Override
     public boolean onCreate() {
+        super.onCreate(DEFAULT_DOCUMENT_PROJECTION);
+
         mStorageManager = (StorageManager) getContext().getSystemService(Context.STORAGE_SERVICE);
-        mHandler = new Handler();
 
         updateVolumes();
         return true;
@@ -274,11 +272,8 @@
         return projection != null ? projection : DEFAULT_ROOT_PROJECTION;
     }
 
-    private static String[] resolveDocumentProjection(String[] projection) {
-        return projection != null ? projection : DEFAULT_DOCUMENT_PROJECTION;
-    }
-
-    private String getDocIdForFile(File file) throws FileNotFoundException {
+    @Override
+    protected String getDocIdForFile(File file) throws FileNotFoundException {
         return getDocIdForFileMaybeCreate(file, false);
     }
 
@@ -344,11 +339,8 @@
         return mostSpecificRoot;
     }
 
-    private File getFileForDocId(String docId) throws FileNotFoundException {
-        return getFileForDocId(docId, false);
-    }
-
-    private File getFileForDocId(String docId, boolean visible) throws FileNotFoundException {
+    @Override
+    protected File getFileForDocId(String docId, boolean visible) throws FileNotFoundException {
         RootInfo root = getRootFromDocId(docId);
         return buildFile(root, docId, visible);
     }
@@ -393,48 +385,9 @@
         return target;
     }
 
-    private void includeFile(MatrixCursor result, String docId, File file)
-            throws FileNotFoundException {
-        if (docId == null) {
-            docId = getDocIdForFile(file);
-        } else {
-            file = getFileForDocId(docId);
-        }
-
-        int flags = 0;
-
-        if (file.canWrite()) {
-            if (file.isDirectory()) {
-                flags |= Document.FLAG_DIR_SUPPORTS_CREATE;
-                flags |= Document.FLAG_SUPPORTS_DELETE;
-                flags |= Document.FLAG_SUPPORTS_RENAME;
-                flags |= Document.FLAG_SUPPORTS_MOVE;
-            } else {
-                flags |= Document.FLAG_SUPPORTS_WRITE;
-                flags |= Document.FLAG_SUPPORTS_DELETE;
-                flags |= Document.FLAG_SUPPORTS_RENAME;
-                flags |= Document.FLAG_SUPPORTS_MOVE;
-            }
-        }
-
-        final String mimeType = getTypeForFile(file);
-        final String displayName = file.getName();
-        if (mimeType.startsWith("image/")) {
-            flags |= Document.FLAG_SUPPORTS_THUMBNAIL;
-        }
-
-        final RowBuilder row = result.newRow();
-        row.add(Document.COLUMN_DOCUMENT_ID, docId);
-        row.add(Document.COLUMN_DISPLAY_NAME, displayName);
-        row.add(Document.COLUMN_SIZE, file.length());
-        row.add(Document.COLUMN_MIME_TYPE, mimeType);
-        row.add(Document.COLUMN_FLAGS, flags);
-
-        // Only publish dates reasonably after epoch
-        long lastModified = file.lastModified();
-        if (lastModified > 31536000000L) {
-            row.add(Document.COLUMN_LAST_MODIFIED, lastModified);
-        }
+    @Override
+    protected Uri buildNotificationUri(String docId) {
+        return DocumentsContract.buildChildDocumentsUri(AUTHORITY, docId);
     }
 
     @Override
@@ -455,22 +408,8 @@
     }
 
     @Override
-    public boolean isChildDocument(String parentDocId, String docId) {
-        try {
-            final File parent = getFileForDocId(parentDocId).getCanonicalFile();
-            final File doc = getFileForDocId(docId).getCanonicalFile();
-            return FileUtils.contains(parent, doc);
-        } catch (IOException e) {
-            throw new IllegalArgumentException(
-                    "Failed to determine if " + docId + " is child of " + parentDocId + ": " + e);
-        }
-    }
-
-    @Override
     public Path findDocumentPath(String childDocId, @Nullable String parentDocId)
             throws FileNotFoundException {
-        LinkedList<String> path = new LinkedList<>();
-
         final Pair<RootInfo, File> resolvedDocId = resolveDocId(childDocId, false);
         final RootInfo root = resolvedDocId.first;
         File child = resolvedDocId.second;
@@ -479,49 +418,7 @@
                         ? root.path
                         : getFileForDocId(parentDocId);
 
-        if (!child.exists()) {
-            throw new FileNotFoundException(childDocId + " is not found.");
-        }
-
-        if (!child.getAbsolutePath().startsWith(parent.getAbsolutePath())) {
-            throw new FileNotFoundException(childDocId + " is not found under " + parentDocId);
-        }
-
-        while (child != null && child.getAbsolutePath().startsWith(parent.getAbsolutePath())) {
-            path.addFirst(getDocIdForFile(child));
-
-            child = child.getParentFile();
-        }
-
-        return new Path(parentDocId == null ? root.rootId : null, path);
-    }
-
-    @Override
-    public String createDocument(String docId, String mimeType, String displayName)
-            throws FileNotFoundException {
-        displayName = FileUtils.buildValidFatFilename(displayName);
-
-        final File parent = getFileForDocId(docId);
-        if (!parent.isDirectory()) {
-            throw new IllegalArgumentException("Parent document isn't a directory");
-        }
-
-        final File file = FileUtils.buildUniqueFile(parent, mimeType, displayName);
-        if (Document.MIME_TYPE_DIR.equals(mimeType)) {
-            if (!file.mkdir()) {
-                throw new IllegalStateException("Failed to mkdir " + file);
-            }
-        } else {
-            try {
-                if (!file.createNewFile()) {
-                    throw new IllegalStateException("Failed to touch " + file);
-                }
-            } catch (IOException e) {
-                throw new IllegalStateException("Failed to touch " + file + ": " + e);
-            }
-        }
-
-        return getDocIdForFile(file);
+        return new Path(parentDocId == null ? root.rootId : null, findDocumentPath(parent, child));
     }
 
     private Uri getDocumentUri(String path, List<UriPermission> accessUriPermissions)
@@ -587,120 +484,14 @@
     }
 
     @Override
-    public String renameDocument(String docId, String displayName) throws FileNotFoundException {
-        // Since this provider treats renames as generating a completely new
-        // docId, we're okay with letting the MIME type change.
-        displayName = FileUtils.buildValidFatFilename(displayName);
-
-        final File before = getFileForDocId(docId);
-        final File after = FileUtils.buildUniqueFile(before.getParentFile(), displayName);
-        if (!before.renameTo(after)) {
-            throw new IllegalStateException("Failed to rename to " + after);
-        }
-        final String afterDocId = getDocIdForFile(after);
-        if (!TextUtils.equals(docId, afterDocId)) {
-            return afterDocId;
-        } else {
-            return null;
-        }
-    }
-
-    @Override
-    public void deleteDocument(String docId) throws FileNotFoundException {
-        final File file = getFileForDocId(docId);
-        final File visibleFile = getFileForDocId(docId, true);
-
-        final boolean isDirectory = file.isDirectory();
-        if (isDirectory) {
-            FileUtils.deleteContents(file);
-        }
-        if (!file.delete()) {
-            throw new IllegalStateException("Failed to delete " + file);
-        }
-
-        if (visibleFile != null) {
-            final ContentResolver resolver = getContext().getContentResolver();
-            final Uri externalUri = MediaStore.Files.getContentUri("external");
-
-            // Remove media store entries for any files inside this directory, using
-            // path prefix match. Logic borrowed from MtpDatabase.
-            if (isDirectory) {
-                final String path = visibleFile.getAbsolutePath() + "/";
-                resolver.delete(externalUri,
-                        "_data LIKE ?1 AND lower(substr(_data,1,?2))=lower(?3)",
-                        new String[] { path + "%", Integer.toString(path.length()), path });
-            }
-
-            // Remove media store entry for this exact file.
-            final String path = visibleFile.getAbsolutePath();
-            resolver.delete(externalUri,
-                    "_data LIKE ?1 AND lower(_data)=lower(?2)",
-                    new String[] { path, path });
-        }
-    }
-
-    @Override
-    public String moveDocument(String sourceDocumentId, String sourceParentDocumentId,
-            String targetParentDocumentId)
-            throws FileNotFoundException {
-        final File before = getFileForDocId(sourceDocumentId);
-        final File after = new File(getFileForDocId(targetParentDocumentId), before.getName());
-
-        if (after.exists()) {
-            throw new IllegalStateException("Already exists " + after);
-        }
-        if (!before.renameTo(after)) {
-            throw new IllegalStateException("Failed to move to " + after);
-        }
-        return getDocIdForFile(after);
-    }
-
-    @Override
-    public Cursor queryDocument(String documentId, String[] projection)
-            throws FileNotFoundException {
-        final MatrixCursor result = new MatrixCursor(resolveDocumentProjection(projection));
-        includeFile(result, documentId, null);
-        return result;
-    }
-
-    @Override
-    public Cursor queryChildDocuments(
-            String parentDocumentId, String[] projection, String sortOrder)
-            throws FileNotFoundException {
-        final File parent = getFileForDocId(parentDocumentId);
-        final MatrixCursor result = new DirectoryCursor(
-                resolveDocumentProjection(projection), parentDocumentId, parent);
-        for (File file : parent.listFiles()) {
-            includeFile(result, null, file);
-        }
-        return result;
-    }
-
-    @Override
     public Cursor querySearchDocuments(String rootId, String query, String[] projection)
             throws FileNotFoundException {
-        final MatrixCursor result = new MatrixCursor(resolveDocumentProjection(projection));
-
-        query = query.toLowerCase();
         final File parent;
         synchronized (mRootsLock) {
             parent = mRoots.get(rootId).path;
         }
 
-        final LinkedList<File> pending = new LinkedList<>();
-        pending.add(parent);
-        while (!pending.isEmpty() && result.getCount() < 24) {
-            final File file = pending.removeFirst();
-            if (file.isDirectory()) {
-                for (File child : file.listFiles()) {
-                    pending.add(child);
-                }
-            }
-            if (file.getName().toLowerCase().contains(query)) {
-                includeFile(result, null, file);
-            }
-        }
-        return result;
+        return querySearchDocuments(parent, query, projection, Collections.emptySet());
     }
 
     @Override
@@ -722,48 +513,6 @@
     }
 
     @Override
-    public String getDocumentType(String documentId) throws FileNotFoundException {
-        final File file = getFileForDocId(documentId);
-        return getTypeForFile(file);
-    }
-
-    @Override
-    public ParcelFileDescriptor openDocument(
-            String documentId, String mode, CancellationSignal signal)
-            throws FileNotFoundException {
-        final File file = getFileForDocId(documentId);
-        final File visibleFile = getFileForDocId(documentId, true);
-
-        final int pfdMode = ParcelFileDescriptor.parseMode(mode);
-        if (pfdMode == ParcelFileDescriptor.MODE_READ_ONLY || visibleFile == null) {
-            return ParcelFileDescriptor.open(file, pfdMode);
-        } else {
-            try {
-                // When finished writing, kick off media scanner
-                return ParcelFileDescriptor.open(file, pfdMode, mHandler, new OnCloseListener() {
-                    @Override
-                    public void onClose(IOException e) {
-                        final Intent intent = new Intent(
-                                Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
-                        intent.setData(Uri.fromFile(visibleFile));
-                        getContext().sendBroadcast(intent);
-                    }
-                });
-            } catch (IOException e) {
-                throw new FileNotFoundException("Failed to open for writing: " + e);
-            }
-        }
-    }
-
-    @Override
-    public AssetFileDescriptor openDocumentThumbnail(
-            String documentId, Point sizeHint, CancellationSignal signal)
-            throws FileNotFoundException {
-        final File file = getFileForDocId(documentId);
-        return DocumentsContract.openImageThumbnail(file);
-    }
-
-    @Override
     public void dump(FileDescriptor fd, PrintWriter writer, String[] args) {
         final IndentingPrintWriter pw = new IndentingPrintWriter(writer, "  ", 160);
         synchronized (mRootsLock) {
@@ -826,107 +575,4 @@
         }
         return bundle;
     }
-
-    private static String getTypeForFile(File file) {
-        if (file.isDirectory()) {
-            return Document.MIME_TYPE_DIR;
-        } else {
-            return getTypeForName(file.getName());
-        }
-    }
-
-    private static String getTypeForName(String name) {
-        final int lastDot = name.lastIndexOf('.');
-        if (lastDot >= 0) {
-            final String extension = name.substring(lastDot + 1).toLowerCase();
-            final String mime = MimeTypeMap.getSingleton().getMimeTypeFromExtension(extension);
-            if (mime != null) {
-                return mime;
-            }
-        }
-
-        return "application/octet-stream";
-    }
-
-    private void startObserving(File file, Uri notifyUri) {
-        synchronized (mObservers) {
-            DirectoryObserver observer = mObservers.get(file);
-            if (observer == null) {
-                observer = new DirectoryObserver(
-                        file, getContext().getContentResolver(), notifyUri);
-                observer.startWatching();
-                mObservers.put(file, observer);
-            }
-            observer.mRefCount++;
-
-            if (LOG_INOTIFY) Log.d(TAG, "after start: " + observer);
-        }
-    }
-
-    private void stopObserving(File file) {
-        synchronized (mObservers) {
-            DirectoryObserver observer = mObservers.get(file);
-            if (observer == null) return;
-
-            observer.mRefCount--;
-            if (observer.mRefCount == 0) {
-                mObservers.remove(file);
-                observer.stopWatching();
-            }
-
-            if (LOG_INOTIFY) Log.d(TAG, "after stop: " + observer);
-        }
-    }
-
-    private static class DirectoryObserver extends FileObserver {
-        private static final int NOTIFY_EVENTS = ATTRIB | CLOSE_WRITE | MOVED_FROM | MOVED_TO
-                | CREATE | DELETE | DELETE_SELF | MOVE_SELF;
-
-        private final File mFile;
-        private final ContentResolver mResolver;
-        private final Uri mNotifyUri;
-
-        private int mRefCount = 0;
-
-        public DirectoryObserver(File file, ContentResolver resolver, Uri notifyUri) {
-            super(file.getAbsolutePath(), NOTIFY_EVENTS);
-            mFile = file;
-            mResolver = resolver;
-            mNotifyUri = notifyUri;
-        }
-
-        @Override
-        public void onEvent(int event, String path) {
-            if ((event & NOTIFY_EVENTS) != 0) {
-                if (LOG_INOTIFY) Log.d(TAG, "onEvent() " + event + " at " + path);
-                mResolver.notifyChange(mNotifyUri, null, false);
-            }
-        }
-
-        @Override
-        public String toString() {
-            return "DirectoryObserver{file=" + mFile.getAbsolutePath() + ", ref=" + mRefCount + "}";
-        }
-    }
-
-    private class DirectoryCursor extends MatrixCursor {
-        private final File mFile;
-
-        public DirectoryCursor(String[] columnNames, String docId, File file) {
-            super(columnNames);
-
-            final Uri notifyUri = DocumentsContract.buildChildDocumentsUri(
-                    AUTHORITY, docId);
-            setNotificationUri(getContext().getContentResolver(), notifyUri);
-
-            mFile = file;
-            startObserving(mFile, notifyUri);
-        }
-
-        @Override
-        public void close() {
-            super.close();
-            stopObserving(mFile);
-        }
-    }
 }
diff --git a/packages/SettingsLib/res/values/strings.xml b/packages/SettingsLib/res/values/strings.xml
index 961d0e5..f77d466 100644
--- a/packages/SettingsLib/res/values/strings.xml
+++ b/packages/SettingsLib/res/values/strings.xml
@@ -537,6 +537,11 @@
     <string name="wait_for_debugger_summary">Debugged application waits for debugger to
         attach before executing</string>
 
+    <!-- UI debug setting: title for Telephonymonitor switch [CHAR LIMIT=50] -->
+    <string name="telephony_monitor_switch">Telephony Monitor</string>
+    <!-- UI debug setting: summary for switch of Telephonymonitor [CHAR LIMIT=500] -->
+    <string name="telephony_monitor_switch_summary">TelephonyMonitor will collect logs when it detects a problem with telephony/modem functionality and prompt notification to user to file a bug</string>
+
     <!-- Preference category for input debugging development settings. [CHAR LIMIT=25] -->
     <string name="debug_input_category">Input</string>
 
diff --git a/packages/SettingsLib/src/com/android/settingslib/wifi/AccessPoint.java b/packages/SettingsLib/src/com/android/settingslib/wifi/AccessPoint.java
index 2dcbf90..6fe581e 100644
--- a/packages/SettingsLib/src/com/android/settingslib/wifi/AccessPoint.java
+++ b/packages/SettingsLib/src/com/android/settingslib/wifi/AccessPoint.java
@@ -89,15 +89,15 @@
             new ConcurrentHashMap<String, ScanResult>(32);
     private static final long MAX_SCAN_RESULT_AGE_MS = 15000;
 
-    private static final String KEY_NETWORKINFO = "key_networkinfo";
-    private static final String KEY_WIFIINFO = "key_wifiinfo";
-    private static final String KEY_SCANRESULT = "key_scanresult";
-    private static final String KEY_SSID = "key_ssid";
-    private static final String KEY_SECURITY = "key_security";
-    private static final String KEY_PSKTYPE = "key_psktype";
-    private static final String KEY_SCANRESULTCACHE = "key_scanresultcache";
-    private static final String KEY_CONFIG = "key_config";
-    private static final AtomicInteger sLastId = new AtomicInteger(0);
+    static final String KEY_NETWORKINFO = "key_networkinfo";
+    static final String KEY_WIFIINFO = "key_wifiinfo";
+    static final String KEY_SCANRESULT = "key_scanresult";
+    static final String KEY_SSID = "key_ssid";
+    static final String KEY_SECURITY = "key_security";
+    static final String KEY_PSKTYPE = "key_psktype";
+    static final String KEY_SCANRESULTCACHE = "key_scanresultcache";
+    static final String KEY_CONFIG = "key_config";
+    static final AtomicInteger sLastId = new AtomicInteger(0);
 
     /**
      * These values are matched in string arrays -- changes must be kept in sync
@@ -114,6 +114,8 @@
 
     public static final int SIGNAL_LEVELS = 4;
 
+    static final int UNREACHABLE_RSSI = Integer.MAX_VALUE;
+
     private final Context mContext;
 
     private String ssid;
@@ -125,7 +127,7 @@
 
     private WifiConfiguration mConfig;
 
-    private int mRssi = Integer.MAX_VALUE;
+    private int mRssi = UNREACHABLE_RSSI;
     private long mSeen = 0;
 
     private WifiInfo mInfo;
@@ -214,6 +216,21 @@
         this.mRankingScore = that.mRankingScore;
     }
 
+    /**
+    * Returns a negative integer, zero, or a positive integer if this AccessPoint is less than,
+    * equal to, or greater than the other AccessPoint.
+    *
+    * Sort order rules for AccessPoints:
+    *   1. Active before inactive
+    *   2. Reachable before unreachable
+    *   3. Saved before unsaved
+    *   4. (Internal only) Network ranking score
+    *   5. Stronger signal before weaker signal
+    *   6. SSID alphabetically
+    *
+    * Note that AccessPoints with a signal are usually also Reachable,
+    * and will thus appear before unreachable saved AccessPoints.
+    */
     @Override
     public int compareTo(@NonNull AccessPoint other) {
         // Active one goes first.
@@ -221,18 +238,16 @@
         if (!isActive() && other.isActive()) return 1;
 
         // Reachable one goes before unreachable one.
-        if (mRssi != Integer.MAX_VALUE && other.mRssi == Integer.MAX_VALUE) return -1;
-        if (mRssi == Integer.MAX_VALUE && other.mRssi != Integer.MAX_VALUE) return 1;
+        if (isReachable() && !other.isReachable()) return -1;
+        if (!isReachable() && other.isReachable()) return 1;
 
         // Configured (saved) one goes before unconfigured one.
-        if (networkId != WifiConfiguration.INVALID_NETWORK_ID
-                && other.networkId == WifiConfiguration.INVALID_NETWORK_ID) return -1;
-        if (networkId == WifiConfiguration.INVALID_NETWORK_ID
-                && other.networkId != WifiConfiguration.INVALID_NETWORK_ID) return 1;
+        if (isSaved() && !other.isSaved()) return -1;
+        if (!isSaved() && other.isSaved()) return 1;
 
         // Higher scores go before lower scores
-        if (mRankingScore != other.mRankingScore) {
-            return (mRankingScore > other.mRankingScore) ? -1 : 1;
+        if (getRankingScore() != other.getRankingScore()) {
+            return (getRankingScore() > other.getRankingScore()) ? -1 : 1;
         }
 
         // Sort by signal strength, bucketed by level
@@ -242,7 +257,7 @@
             return difference;
         }
         // Sort by ssid.
-        return ssid.compareToIgnoreCase(other.ssid);
+        return getSsidStr().compareToIgnoreCase(other.getSsidStr());
     }
 
     @Override
@@ -265,6 +280,9 @@
     public String toString() {
         StringBuilder builder = new StringBuilder().append("AccessPoint(")
                 .append(ssid);
+        if (bssid != null) {
+            builder.append(":").append(bssid);
+        }
         if (isSaved()) {
             builder.append(',').append("saved");
         }
@@ -280,6 +298,7 @@
         if (security != SECURITY_NONE) {
             builder.append(',').append(securityToString(security, pskType));
         }
+        builder.append(",level=").append(getLevel());
         builder.append(",rankingScore=").append(mRankingScore);
         builder.append(",badge=").append(mBadge);
 
@@ -351,7 +370,7 @@
     }
 
     public int getLevel() {
-        if (mRssi == Integer.MAX_VALUE) {
+        if (!isReachable()) {
             return -1;
         }
         return WifiManager.calculateSignalLevel(mRssi, SIGNAL_LEVELS);
@@ -527,7 +546,7 @@
             }
         } else if (config != null && config.getNetworkSelectionStatus().isNotRecommended()) {
             summary.append(mContext.getString(R.string.wifi_disabled_by_recommendation_provider));
-        } else if (mRssi == Integer.MAX_VALUE) { // Wifi out of range
+        } else if (!isReachable()) { // Wifi out of range
             summary.append(mContext.getString(R.string.wifi_not_in_range));
         } else { // In range, not disabled.
             if (config != null) { // Is saved network
@@ -870,6 +889,11 @@
         return mBadge;
     }
 
+    /** Return true if the current RSSI is reachable, and false otherwise. */
+    boolean isReachable() {
+        return mRssi != UNREACHABLE_RSSI;
+    }
+
     public static String getSummary(Context context, String ssid, DetailedState state,
             boolean isEphemeral, String passpointProvider) {
         if (state == DetailedState.CONNECTED && ssid == null) {
diff --git a/packages/SettingsLib/src/com/android/settingslib/wifi/WifiTracker.java b/packages/SettingsLib/src/com/android/settingslib/wifi/WifiTracker.java
index 11bcdca..8421c2c 100644
--- a/packages/SettingsLib/src/com/android/settingslib/wifi/WifiTracker.java
+++ b/packages/SettingsLib/src/com/android/settingslib/wifi/WifiTracker.java
@@ -271,7 +271,6 @@
         if (mWifiManager.isWifiEnabled()) {
             mScanner.resume();
         }
-        mWorkHandler.sendEmptyMessage(WorkHandler.MSG_UPDATE_ACCESS_POINTS);
     }
 
     /**
@@ -715,9 +714,9 @@
 
                 mMainHandler.sendEmptyMessage(MainHandler.MSG_CONNECTED_CHANGED);
 
-                mWorkHandler.sendEmptyMessage(WorkHandler.MSG_UPDATE_ACCESS_POINTS);
                 mWorkHandler.obtainMessage(WorkHandler.MSG_UPDATE_NETWORK_INFO, info)
                         .sendToTarget();
+                mWorkHandler.sendEmptyMessage(WorkHandler.MSG_UPDATE_ACCESS_POINTS);
             }
         }
     };
diff --git a/packages/SettingsLib/tests/integ/src/com/android/settingslib/wifi/AccessPointTest.java b/packages/SettingsLib/tests/integ/src/com/android/settingslib/wifi/AccessPointTest.java
index 6481f4d..ec0190c 100644
--- a/packages/SettingsLib/tests/integ/src/com/android/settingslib/wifi/AccessPointTest.java
+++ b/packages/SettingsLib/tests/integ/src/com/android/settingslib/wifi/AccessPointTest.java
@@ -15,9 +15,8 @@
  */
 package com.android.settingslib.wifi;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertSame;
-import static org.junit.Assert.assertTrue;
+import static com.google.common.truth.Truth.assertThat;
+import static com.google.common.truth.Truth.assertWithMessage;
 
 import android.content.Context;
 import android.net.ConnectivityManager;
@@ -39,6 +38,7 @@
 import org.junit.runner.RunWith;
 
 import java.util.ArrayList;
+import java.util.Collections;
 
 @SmallTest
 @RunWith(AndroidJUnit4.class)
@@ -59,12 +59,12 @@
         final AccessPoint ap = new AccessPoint(InstrumentationRegistry.getTargetContext(), bundle);
         final CharSequence ssid = ap.getSsid();
 
-        assertTrue(ssid instanceof SpannableString);
+        assertThat(ssid instanceof SpannableString).isTrue();
 
         TtsSpan[] spans = ((SpannableString) ssid).getSpans(0, TEST_SSID.length(), TtsSpan.class);
 
-        assertEquals(1, spans.length);
-        assertEquals(TtsSpan.TYPE_TELEPHONE, spans[0].getType());
+        assertThat(spans.length).isEqualTo(1);
+        assertThat(spans[0].getType()).isEqualTo(TtsSpan.TYPE_TELEPHONE);
     }
 
     @Test
@@ -80,11 +80,11 @@
         originalAccessPoint.update(configuration, wifiInfo, networkInfo);
         AccessPoint copy = new AccessPoint(mContext, originalAccessPoint);
 
-        assertEquals(originalAccessPoint.getSsid().toString(), copy.getSsid().toString());
-        assertEquals(originalAccessPoint.getBssid(), copy.getBssid());
-        assertSame(originalAccessPoint.getConfig(), copy.getConfig());
-        assertEquals(originalAccessPoint.getSecurity(), copy.getSecurity());
-        assertTrue(originalAccessPoint.compareTo(copy) == 0);
+        assertThat(originalAccessPoint.getSsid().toString()).isEqualTo(copy.getSsid().toString());
+        assertThat(originalAccessPoint.getBssid()).isEqualTo(copy.getBssid());
+        assertThat(originalAccessPoint.getConfig()).isEqualTo(copy.getConfig());
+        assertThat(originalAccessPoint.getSecurity()).isEqualTo(copy.getSecurity());
+        assertThat(originalAccessPoint.compareTo(copy) == 0).isTrue();
     }
 
     @Test
@@ -101,11 +101,93 @@
 
         bundle.putParcelableArrayList("key_scanresultcache", scanResults);
         AccessPoint original = new AccessPoint(mContext, bundle);
-        assertEquals(4, original.getRssi());
+        assertThat(original.getRssi()).isEqualTo(4);
         AccessPoint copy = new AccessPoint(mContext, createWifiConfiguration());
-        assertEquals(Integer.MIN_VALUE, copy.getRssi());
+        assertThat(copy.getRssi()).isEqualTo(Integer.MIN_VALUE);
         copy.copyFrom(original);
-        assertEquals(original.getRssi(), copy.getRssi());
+        assertThat(original.getRssi()).isEqualTo(copy.getRssi());
+    }
+
+    @Test
+    public void testCompareTo_GivesActiveBeforeInactive() {
+        AccessPoint activeAp = new TestAccessPointBuilder(mContext).setActive(true).build();
+        AccessPoint inactiveAp = new TestAccessPointBuilder(mContext).setActive(false).build();
+
+        assertSortingWorks(activeAp, inactiveAp);
+    }
+
+    @Test
+    public void testCompareTo_GivesReachableBeforeUnreachable() {
+        AccessPoint nearAp = new TestAccessPointBuilder(mContext).setReachable(true).build();
+        AccessPoint farAp = new TestAccessPointBuilder(mContext).setReachable(false).build();
+
+        assertSortingWorks(nearAp, farAp);
+    }
+
+    @Test
+    public void testCompareTo_GivesSavedBeforeUnsaved() {
+        AccessPoint savedAp = new TestAccessPointBuilder(mContext).setSaved(true).build();
+        AccessPoint notSavedAp = new TestAccessPointBuilder(mContext).setSaved(false).build();
+
+        assertSortingWorks(savedAp, notSavedAp);
+    }
+
+    //TODO: add tests for mRankingScore sort order if ranking is exposed
+
+    @Test
+    public void testCompareTo_GivesHighLevelBeforeLowLevel() {
+        final int highLevel = AccessPoint.SIGNAL_LEVELS - 1;
+        final int lowLevel = 1;
+        assertThat(highLevel).isGreaterThan(lowLevel);
+
+        AccessPoint strongAp = new TestAccessPointBuilder(mContext).setLevel(highLevel).build();
+        AccessPoint weakAp = new TestAccessPointBuilder(mContext).setLevel(lowLevel).build();
+
+        assertSortingWorks(strongAp, weakAp);
+    }
+
+    @Test
+    public void testCompareTo_GivesSsidAlphabetically() {
+
+        final String firstName = "AAAAAA";
+        final String secondName = "zzzzzz";
+
+        AccessPoint firstAp = new TestAccessPointBuilder(mContext).setSsid(firstName).build();
+        AccessPoint secondAp = new TestAccessPointBuilder(mContext).setSsid(secondName).build();
+
+        assertThat(firstAp.getSsidStr().compareToIgnoreCase(secondAp.getSsidStr()) < 0).isTrue();
+        assertSortingWorks(firstAp, secondAp);
+    }
+
+    @Test
+    public void testCompareTo_AllSortingRulesCombined() {
+
+        AccessPoint active = new TestAccessPointBuilder(mContext).setActive(true).build();
+        AccessPoint reachableAndMinLevel = new TestAccessPointBuilder(mContext)
+                .setReachable(true).build();
+        AccessPoint saved = new TestAccessPointBuilder(mContext).setSaved(true).build();
+        AccessPoint highLevelAndReachable = new TestAccessPointBuilder(mContext)
+                .setLevel(AccessPoint.SIGNAL_LEVELS - 1).build();
+        AccessPoint firstName = new TestAccessPointBuilder(mContext).setSsid("a").build();
+        AccessPoint lastname = new TestAccessPointBuilder(mContext).setSsid("z").build();
+
+        ArrayList<AccessPoint> points = new ArrayList<AccessPoint>();
+        points.add(lastname);
+        points.add(firstName);
+        points.add(highLevelAndReachable);
+        points.add(saved);
+        points.add(reachableAndMinLevel);
+        points.add(active);
+
+        Collections.sort(points);
+        assertThat(points.indexOf(active)).isLessThan(points.indexOf(reachableAndMinLevel));
+        assertThat(points.indexOf(reachableAndMinLevel)).isLessThan(points.indexOf(saved));
+        // note: the saved AP will not appear before highLevelAndReachable,
+        // because all APs with a signal level are reachable,
+        // and isReachable() takes higher sorting precedence than isSaved().
+        assertThat(points.indexOf(saved)).isLessThan(points.indexOf(firstName));
+        assertThat(points.indexOf(highLevelAndReachable)).isLessThan(points.indexOf(firstName));
+        assertThat(points.indexOf(firstName)).isLessThan(points.indexOf(lastname));
     }
 
     private WifiConfiguration createWifiConfiguration() {
@@ -115,4 +197,85 @@
         configuration.networkId = 123;
         return configuration;
     }
+
+    /**
+    * Assert that the first AccessPoint appears after the second AccessPoint
+    * once sorting has been completed.
+    */
+    private void assertSortingWorks(AccessPoint first, AccessPoint second) {
+
+        ArrayList<AccessPoint> points = new ArrayList<AccessPoint>();
+
+        // add in reverse order so we can tell that sorting actually changed something
+        points.add(second);
+        points.add(first);
+        Collections.sort(points);
+        assertWithMessage(
+                String.format("After sorting: second AccessPoint should have higher array index "
+                    + "than the first, but found indicies second '%s' and first '%s'.",
+                    points.indexOf(second), points.indexOf(first)))
+            .that(points.indexOf(second)).isGreaterThan(points.indexOf(first));
+    }
+
+    @Test
+    public void testBuilder_setActive() {
+        AccessPoint activeAp = new TestAccessPointBuilder(mContext).setActive(true).build();
+        assertThat(activeAp.isActive()).isTrue();
+
+        AccessPoint inactiveAp = new TestAccessPointBuilder(mContext).setActive(false).build();
+        assertThat(inactiveAp.isActive()).isFalse();
+    }
+
+    @Test
+    public void testBuilder_setReachable() {
+        AccessPoint nearAp = new TestAccessPointBuilder(mContext).setReachable(true).build();
+        assertThat(nearAp.isReachable()).isTrue();
+
+        AccessPoint farAp = new TestAccessPointBuilder(mContext).setReachable(false).build();
+        assertThat(farAp.isReachable()).isFalse();
+    }
+
+    @Test
+    public void testBuilder_setSaved() {
+        AccessPoint savedAp = new TestAccessPointBuilder(mContext).setSaved(true).build();
+        assertThat(savedAp.isSaved()).isTrue();
+
+        AccessPoint newAp = new TestAccessPointBuilder(mContext).setSaved(false).build();
+        assertThat(newAp.isSaved()).isFalse();
+    }
+
+    @Test
+    public void testBuilder_setLevel() {
+        AccessPoint testAp;
+
+        for (int i = 0; i < AccessPoint.SIGNAL_LEVELS; i++) {
+            testAp = new TestAccessPointBuilder(mContext).setLevel(i).build();
+            assertThat(testAp.getLevel()).isEqualTo(i);
+        }
+
+        // numbers larger than the max level should be set to max
+        testAp = new TestAccessPointBuilder(mContext).setLevel(AccessPoint.SIGNAL_LEVELS).build();
+        assertThat(testAp.getLevel()).isEqualTo(AccessPoint.SIGNAL_LEVELS - 1);
+
+        // numbers less than 0 should give level 0
+        testAp = new TestAccessPointBuilder(mContext).setLevel(-100).build();
+        assertThat(testAp.getLevel()).isEqualTo(0);
+    }
+
+    @Test
+    public void testBuilder_settingReachableAfterLevelDoesNotAffectLevel() {
+        int level = 1;
+        assertThat(level).isLessThan(AccessPoint.SIGNAL_LEVELS - 1);
+
+        AccessPoint testAp =
+                new TestAccessPointBuilder(mContext).setLevel(level).setReachable(true).build();
+        assertThat(testAp.getLevel()).isEqualTo(level);
+    }
+
+    @Test
+    public void testBuilder_setSsid() {
+        String name = "AmazingSsid!";
+        AccessPoint namedAp = new TestAccessPointBuilder(mContext).setSsid(name).build();
+        assertThat(namedAp.getSsidStr()).isEqualTo(name);
+    }
 }
diff --git a/packages/SettingsLib/tests/integ/src/com/android/settingslib/wifi/TestAccessPointBuilder.java b/packages/SettingsLib/tests/integ/src/com/android/settingslib/wifi/TestAccessPointBuilder.java
new file mode 100644
index 0000000..665c439
--- /dev/null
+++ b/packages/SettingsLib/tests/integ/src/com/android/settingslib/wifi/TestAccessPointBuilder.java
@@ -0,0 +1,128 @@
+/*
+ * Copyright (C) 2017 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.settingslib.wifi;
+
+import android.content.Context;
+import android.net.ConnectivityManager;
+import android.net.NetworkInfo;
+import android.net.wifi.WifiConfiguration;
+import android.os.Bundle;
+
+/**
+* Build and return a valid AccessPoint.
+*
+* Only intended for testing the AccessPoint class;
+* AccessPoints were designed to only be populated
+* by the mechanisms of scan results and wifi configurations.
+*/
+public class TestAccessPointBuilder {
+    // match the private values in WifiManager
+    private static final int MIN_RSSI = -100;
+    private static final int MAX_RSSI = -55;
+
+    // set some sensible defaults
+    private int mRssi = AccessPoint.UNREACHABLE_RSSI;
+    private int networkId = WifiConfiguration.INVALID_NETWORK_ID;
+    private String ssid = "TestSsid";
+    private NetworkInfo mNetworkInfo = null;
+
+    Context mContext;
+
+    public TestAccessPointBuilder(Context context) {
+        mContext = context;
+    }
+
+    public AccessPoint build() {
+        Bundle bundle = new Bundle();
+
+        WifiConfiguration wifiConig = new WifiConfiguration();
+        wifiConig.networkId = networkId;
+
+        bundle.putString(AccessPoint.KEY_SSID, ssid);
+        bundle.putParcelable(AccessPoint.KEY_CONFIG, wifiConig);
+        bundle.putParcelable(AccessPoint.KEY_NETWORKINFO, mNetworkInfo);
+        AccessPoint ap = new AccessPoint(mContext, bundle);
+        ap.setRssi(mRssi);
+        return ap;
+    }
+
+    public TestAccessPointBuilder setActive(boolean active) {
+        if (active) {
+            mNetworkInfo = new NetworkInfo(
+                ConnectivityManager.TYPE_DUMMY,
+                ConnectivityManager.TYPE_DUMMY,
+                "TestNetwork",
+                "TestNetwork");
+        } else {
+            mNetworkInfo = null;
+        }
+        return this;
+    }
+
+    /**
+    * Set the signal level.
+    * Side effect: if this AccessPoint was previously unreachable,
+    * setting the level will also make it reachable.
+    */
+    public TestAccessPointBuilder setLevel(int level) {
+        int outputRange = AccessPoint.SIGNAL_LEVELS - 1;
+
+        if (level > outputRange) {
+            level = outputRange;
+        } else if (level < 0) {
+            level = 0;
+        }
+
+        int inputRange = MAX_RSSI - MIN_RSSI;
+
+        // calculate the rssi required to get the level we want.
+        // this is a rearrangement of the formula from WifiManager.calculateSignalLevel()
+        mRssi = (int)((float)(level * inputRange) / (float)outputRange) + MIN_RSSI;
+        return this;
+    }
+
+    /**
+    * Set whether the AccessPoint is reachable.
+    * Side effect: if the signal level was not previously set,
+    * making an AccessPoint reachable will set the signal to the minimum level.
+    */
+    public TestAccessPointBuilder setReachable(boolean reachable) {
+        if (reachable) {
+            // only override the mRssi if it hasn't been set yet
+            if (mRssi == AccessPoint.UNREACHABLE_RSSI) {
+                mRssi = MIN_RSSI;
+            }
+        } else {
+            mRssi = AccessPoint.UNREACHABLE_RSSI;
+        }
+        return this;
+    }
+
+    public TestAccessPointBuilder setSaved(boolean saved){
+        if (saved) {
+             networkId = 1;
+        } else {
+             networkId = WifiConfiguration.INVALID_NETWORK_ID;
+        }
+        return this;
+    }
+
+    public TestAccessPointBuilder setSsid(String newSsid) {
+        ssid = newSsid;
+        return this;
+    }
+}
diff --git a/packages/SettingsLib/tests/integ/src/com/android/settingslib/wifi/WifiTrackerTest.java b/packages/SettingsLib/tests/integ/src/com/android/settingslib/wifi/WifiTrackerTest.java
index 2018c13..e100884 100644
--- a/packages/SettingsLib/tests/integ/src/com/android/settingslib/wifi/WifiTrackerTest.java
+++ b/packages/SettingsLib/tests/integ/src/com/android/settingslib/wifi/WifiTrackerTest.java
@@ -15,6 +15,8 @@
  */
 package com.android.settingslib.wifi;
 
+import static com.google.common.truth.Truth.assertThat;
+
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
 
@@ -28,6 +30,7 @@
 import android.content.Intent;
 import android.net.ConnectivityManager;
 import android.net.NetworkBadging;
+import android.net.NetworkInfo;
 import android.net.NetworkKey;
 import android.net.NetworkScoreManager;
 import android.net.ScoredNetwork;
@@ -35,6 +38,7 @@
 import android.net.WifiKey;
 import android.net.wifi.ScanResult;
 import android.net.wifi.WifiConfiguration;
+import android.net.wifi.WifiInfo;
 import android.net.wifi.WifiManager;
 import android.net.wifi.WifiNetworkScoreCache;
 import android.net.wifi.WifiSsid;
@@ -68,6 +72,8 @@
 import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.TimeUnit;
 
+// TODO(sghuman): Change these to robolectric tests b/35766684.
+
 @SmallTest
 @RunWith(AndroidJUnit4.class)
 public class WifiTrackerTest {
@@ -115,9 +121,10 @@
 
     @Before
     public void setUp() {
-        mContext = InstrumentationRegistry.getTargetContext();
         MockitoAnnotations.initMocks(this);
 
+        mContext = InstrumentationRegistry.getTargetContext();
+
         mWorkerThread = new HandlerThread("TestHandlerWorkerThread");
         mWorkerThread.start();
         mLooper = mWorkerThread.getLooper();
@@ -221,9 +228,15 @@
                 SystemClock.elapsedRealtime() * 1000 /* microsecond timestamp */);
     }
 
-    private WifiTracker createTrackerAndInjectInitialScanResults() throws InterruptedException {
+    private WifiTracker createTrackerWithImmediateBroadcastsAndInjectInitialScanResults(
+                    Intent ... intents)
+            throws InterruptedException {
         WifiTracker tracker = createMockedWifiTracker();
+
         startTracking(tracker);
+        for (Intent intent : intents) {
+            tracker.mReceiver.onReceive(mContext, intent);
+        }
 
         mAccessPointsChangedLatch = new CountDownLatch(1);
         sendScanResultsAndProcess(tracker);
@@ -235,16 +248,16 @@
     private WifiTracker createMockedWifiTracker() {
         WifiTracker tracker =
                 new WifiTracker(
-                    mContext,
-                    mockWifiListener,
-                    mLooper,
-                    true,
-                    true,
-                    true,
-                    mockWifiManager,
-                    mockConnectivityManager,
-                    mockNetworkScoreManager,
-                    mMainLooper
+                        mContext,
+                        mockWifiListener,
+                        mLooper,
+                        true,
+                        true,
+                        true,
+                        mockWifiManager,
+                        mockConnectivityManager,
+                        mockNetworkScoreManager,
+                        mMainLooper
                 );
 
         return tracker;
@@ -294,6 +307,31 @@
         scoreCache.updateScores(Arrays.asList(sc1, sc2));
     }
 
+    private WifiTracker createTrackerWithScanResultsAndAccessPoint1Connected()
+            throws InterruptedException {
+        int networkId = 123;
+
+        WifiInfo wifiInfo = new WifiInfo();
+        wifiInfo.setSSID(WifiSsid.createFromAsciiEncoded(SSID_1));
+        wifiInfo.setBSSID(BSSID_1);
+        wifiInfo.setNetworkId(networkId);
+        when(mockWifiManager.getConnectionInfo()).thenReturn(wifiInfo);
+
+        WifiConfiguration configuration = new WifiConfiguration();
+        configuration.SSID = SSID_1;
+        configuration.BSSID = BSSID_1;
+        configuration.networkId = networkId;
+        when(mockWifiManager.getConfiguredNetworks()).thenReturn(Arrays.asList(configuration));
+
+        NetworkInfo networkInfo = new NetworkInfo(
+                ConnectivityManager.TYPE_WIFI, 0, "Type Wifi", "subtype");
+        networkInfo.setDetailedState(NetworkInfo.DetailedState.CONNECTED, "connected", "test");
+
+        Intent intent = new Intent(WifiManager.NETWORK_STATE_CHANGED_ACTION);
+        intent.putExtra(WifiManager.EXTRA_NETWORK_INFO, networkInfo);
+        return createTrackerWithImmediateBroadcastsAndInjectInitialScanResults(intent);
+    }
+
     @Test
     public void testAccessPointListenerSetWhenLookingUpUsingScanResults() {
         ScanResult scanResult = new ScanResult();
@@ -357,12 +395,21 @@
     }
 
     @Test
+    public void startTrackingShouldSetConnectedAccessPointAsActive() throws InterruptedException {
+        WifiTracker tracker =  createTrackerWithScanResultsAndAccessPoint1Connected();
+
+        List<AccessPoint> aps = tracker.getAccessPoints();
+
+        assertThat(aps).hasSize(2);
+        assertThat(aps.get(0).isActive()).isTrue();
+    }
+
+    @Test
     public void startTrackingShouldRequestScoresForCurrentAccessPoints() throws InterruptedException {
         // Start the tracker and inject the initial scan results and then stop tracking
-        WifiTracker tracker =  createTrackerAndInjectInitialScanResults();
+        WifiTracker tracker =  createTrackerWithImmediateBroadcastsAndInjectInitialScanResults();
 
         tracker.stopTracking();
-        android.util.Log.d("WifiTrackerTest", "Clearing previously captured requested keys");
         mRequestedKeys.clear();
 
         mRequestScoresLatch = new CountDownLatch(1);
@@ -370,7 +417,6 @@
         assertTrue("Latch timed out",
                 mRequestScoresLatch.await(LATCH_TIMEOUT, TimeUnit.MILLISECONDS));
 
-        android.util.Log.d("WifiTrackerTest", "requested keys: " + mRequestedKeys);
         assertTrue(mRequestedKeys.contains(NETWORK_KEY_1));
         assertTrue(mRequestedKeys.contains(NETWORK_KEY_2));
     }
@@ -394,7 +440,7 @@
 
     @Test
     public void scoreCacheUpdateScoresShouldChangeSortOrder() throws InterruptedException {
-        WifiTracker tracker = createTrackerAndInjectInitialScanResults();
+        WifiTracker tracker = createTrackerWithImmediateBroadcastsAndInjectInitialScanResults();
         List<AccessPoint> aps = tracker.getAccessPoints();
         assertTrue(aps.size() == 2);
         assertEquals(aps.get(0).getSsidStr(), SSID_1);
@@ -416,7 +462,7 @@
                 Settings.Global.NETWORK_SCORING_UI_ENABLED,
                 0 /* disabled */);
 
-        WifiTracker tracker = createTrackerAndInjectInitialScanResults();
+        WifiTracker tracker = createTrackerWithImmediateBroadcastsAndInjectInitialScanResults();
         List<AccessPoint> aps = tracker.getAccessPoints();
         assertTrue(aps.size() == 2);
         assertEquals(aps.get(0).getSsidStr(), SSID_1);
@@ -432,7 +478,7 @@
 
     @Test
     public void scoreCacheUpdateScoresShouldInsertBadgeIntoAccessPoint() throws InterruptedException {
-        WifiTracker tracker = createTrackerAndInjectInitialScanResults();
+        WifiTracker tracker = createTrackerWithImmediateBroadcastsAndInjectInitialScanResults();
         updateScoresAndWaitForAccessPointsChangedCallback();
 
         List<AccessPoint> aps = tracker.getAccessPoints();
@@ -454,7 +500,7 @@
                 Settings.Global.NETWORK_SCORING_UI_ENABLED,
                 0 /* disabled */);
 
-        WifiTracker tracker = createTrackerAndInjectInitialScanResults();
+        WifiTracker tracker = createTrackerWithImmediateBroadcastsAndInjectInitialScanResults();
         updateScoresAndWaitForAccessPointsChangedCallback();
 
         List<AccessPoint> aps = tracker.getAccessPoints();
@@ -473,7 +519,7 @@
         // Scores can be requested together or serially depending on how the scan results are
         // processed.
         mRequestScoresLatch = new CountDownLatch(2);
-        WifiTracker tracker = createTrackerAndInjectInitialScanResults();
+        WifiTracker tracker = createTrackerWithImmediateBroadcastsAndInjectInitialScanResults();
         mRequestScoresLatch.await(LATCH_TIMEOUT, TimeUnit.MILLISECONDS);
         mRequestedKeys.clear();
 
@@ -503,7 +549,7 @@
     @Test
     public void scoreCacheAndListenerShouldBeUnregisteredWhenStopTrackingIsCalled() throws Exception
     {
-        WifiTracker tracker =  createTrackerAndInjectInitialScanResults();
+        WifiTracker tracker =  createTrackerWithImmediateBroadcastsAndInjectInitialScanResults();
         WifiNetworkScoreCache cache = mScoreCacheCaptor.getValue();
 
         tracker.stopTracking();
diff --git a/packages/Shell/src/com/android/shell/BugreportProgressService.java b/packages/Shell/src/com/android/shell/BugreportProgressService.java
index 12d0c03..1df626f 100644
--- a/packages/Shell/src/com/android/shell/BugreportProgressService.java
+++ b/packages/Shell/src/com/android/shell/BugreportProgressService.java
@@ -44,6 +44,7 @@
 import libcore.io.Streams;
 
 import com.android.internal.annotations.VisibleForTesting;
+import com.android.internal.app.ChooserActivity;
 import com.android.internal.logging.MetricsLogger;
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.internal.util.FastPrintWriter;
@@ -943,8 +944,13 @@
     }
 
     static void sendShareIntent(Context context, Intent intent) {
-        context.startActivity(Intent.createChooser(intent,
-                context.getResources().getText(R.string.bugreport_intent_chooser_title)));
+        final Intent chooserIntent = Intent.createChooser(intent,
+                context.getResources().getText(R.string.bugreport_intent_chooser_title));
+
+        // Since we may be launched behind lockscreen, make sure that ChooserActivity doesn't finish
+        // itself in onStop.
+        chooserIntent.putExtra(ChooserActivity.EXTRA_PRIVATE_RETAIN_IN_ON_STOP, true);
+        context.startActivity(chooserIntent);
     }
 
     /**
diff --git a/packages/SystemUI/res/drawable/ic_qs_network_logging.xml b/packages/SystemUI/res/drawable/ic_qs_network_logging.xml
index 87b5a14..7bdf50c 100644
--- a/packages/SystemUI/res/drawable/ic_qs_network_logging.xml
+++ b/packages/SystemUI/res/drawable/ic_qs_network_logging.xml
@@ -20,8 +20,7 @@
   android:width="12.0dp"
   android:height="12.0dp"
   android:viewportWidth="24.0"
-  android:viewportHeight="24.0"
-  android:tint="#4DFFFFFF" >
+  android:viewportHeight="24.0">
     <path
       android:fillColor="#FFFFFFFF"
       android:pathData="M2,24v-4h12v4H2z M2,16v-4h20v4H2z M5,7 12,0 19,7 14,7 14,15 10,15 10,7z"/>
diff --git a/packages/SystemUI/res/drawable/qs_ic_wifi_lock.xml b/packages/SystemUI/res/drawable/qs_ic_wifi_lock.xml
index b7da30b..bf405fa 100644
--- a/packages/SystemUI/res/drawable/qs_ic_wifi_lock.xml
+++ b/packages/SystemUI/res/drawable/qs_ic_wifi_lock.xml
@@ -20,10 +20,10 @@
     android:viewportHeight="72.0"
     android:tint="?android:attr/textColorPrimary">
     <group
-        android:translateX="52.0"
-        android:translateY="42.0" >
+        android:translateX="28.0"
+        android:translateY="10.5" >
         <path
-            android:fillColor="#FFFFFFFF"
-            android:pathData="M18.0,8.0l-1.0,0.0L17.0,6.0c0.0,-2.76 -2.24,-5.0 -5.0,-5.0S7.0,3.24 7.0,6.0l0.0,2.0L6.0,8.0c-1.1,0.0 -2.0,0.9 -2.0,2.0l0.0,10.0c0.0,1.0 0.9,2.0 2.0,2.0l12.0,0.0c1.1,0.0 2.0,-0.9 2.0,-2.0L20.0,10.0c0.0,-1.1 -0.9,-2.0 -2.0,-2.0zm-6.0,9.0c-1.1,0.0 -2.0,-0.9 -2.0,-2.0s0.9,-2.0 2.0,-2.0 2.0,0.9 2.0,2.0 -0.9,2.0 -2.0,2.0zm3.1,-9.0L8.9,8.0L8.9,6.0c0.0,-1.71 1.39,-3.1 3.1,-3.1 1.71,0.0 3.1,1.39 3.1,3.1l0.0,2.0z"/>
+            android:pathData="M36 16l-2 0 0 -4C34 6.48 29.52 2 24 2 18.48 2 14 6.48 14 12l0 4 -2 0c-2.21 0 -4 1.79 -4 4l0 20c0 2.21 1.79 4 4 4l24 0c2.21 0 4 -1.79 4 -4l0 -20c0 -2.21 -1.79 -4 -4 -4zM24 34c-2.21 0 -4 -1.79 -4 -4 0 -2.21 1.79 -4 4 -4 2.21 0 4 1.79 4 4 0 2.21 -1.79 4 -4 4zm6.2 -18l-12.4 0 0 -4c0 -3.42 2.78 -6.2 6.2 -6.2 3.42 0 6.2 2.78 6.2 6.2l0 4z"
+            android:fillColor="#FFFFFF" />
     </group>
 </vector>
diff --git a/packages/SystemUI/res/layout/qs_detail_item.xml b/packages/SystemUI/res/layout/qs_detail_item.xml
index 6edf135..6544f0d 100644
--- a/packages/SystemUI/res/layout/qs_detail_item.xml
+++ b/packages/SystemUI/res/layout/qs_detail_item.xml
@@ -63,7 +63,6 @@
         android:focusable="true"
         android:scaleType="center"
         android:contentDescription="@*android:string/media_route_controller_disconnect"
-        android:tint="?android:attr/textColorPrimary"
-        android:src="@drawable/ic_qs_cancel" />
+        android:tint="?android:attr/textColorPrimary" />
 
 </LinearLayout>
diff --git a/packages/SystemUI/src/com/android/systemui/pip/tv/PipManager.java b/packages/SystemUI/src/com/android/systemui/pip/tv/PipManager.java
index 20866c0..8f7a81c 100644
--- a/packages/SystemUI/src/com/android/systemui/pip/tv/PipManager.java
+++ b/packages/SystemUI/src/com/android/systemui/pip/tv/PipManager.java
@@ -337,12 +337,11 @@
      * Moves the PIPed activity to the fullscreen and closes PIP system UI.
      */
     void movePipToFullscreen() {
-        mState = STATE_NO_PIP;
         mPipTaskId = TASK_ID_NO_PIP;
         for (int i = mListeners.size() - 1; i >= 0; --i) {
             mListeners.get(i).onMoveToFullscreen();
         }
-        resizePinnedStack(mState);
+        resizePinnedStack(STATE_NO_PIP);
         updatePipVisibility(false);
     }
 
@@ -388,6 +387,7 @@
         if (DEBUG) Log.d(TAG, "resizePinnedStack() state=" + state);
         boolean wasRecentsShown =
                 (mState == STATE_PIP_RECENTS || mState == STATE_PIP_RECENTS_FOCUSED);
+        boolean wasStateNoPip = (mState == STATE_NO_PIP);
         mState = state;
         for (int i = mListeners.size() - 1; i >= 0; --i) {
             mListeners.get(i).onPipResizeAboutToStart();
@@ -401,6 +401,11 @@
         switch (mState) {
             case STATE_NO_PIP:
                 mCurrentPipBounds = null;
+                // If the state was already STATE_NO_PIP, then do not resize the stack below as it
+                // will not exist
+                if (wasStateNoPip) {
+                    return;
+                }
                 break;
             case STATE_PIP_MENU:
                 mCurrentPipBounds = mMenuModePipBounds;
@@ -418,18 +423,16 @@
                 mCurrentPipBounds = mPipBounds;
                 break;
         }
-        if (mCurrentPipBounds != null) {
-            try {
-                int animationDurationMs = -1;
-                if (wasRecentsShown
-                        && (mState == STATE_PIP_RECENTS || mState == STATE_PIP_RECENTS_FOCUSED)) {
-                    animationDurationMs = mRecentsFocusChangedAnimationDurationMs;
-                }
-                mActivityManager.resizeStack(PINNED_STACK_ID, mCurrentPipBounds,
-                        true, true, true, animationDurationMs);
-            } catch (RemoteException e) {
-                Log.e(TAG, "resizeStack failed", e);
+        try {
+            int animationDurationMs = -1;
+            if (wasRecentsShown
+                    && (mState == STATE_PIP_RECENTS || mState == STATE_PIP_RECENTS_FOCUSED)) {
+                animationDurationMs = mRecentsFocusChangedAnimationDurationMs;
             }
+            mActivityManager.resizeStack(PINNED_STACK_ID, mCurrentPipBounds,
+                    true, true, true, animationDurationMs);
+        } catch (RemoteException e) {
+            Log.e(TAG, "resizeStack failed", e);
         }
     }
 
diff --git a/packages/SystemUI/src/com/android/systemui/qs/QSDetailItems.java b/packages/SystemUI/src/com/android/systemui/qs/QSDetailItems.java
index dad8bea..65238b1 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/QSDetailItems.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/QSDetailItems.java
@@ -203,16 +203,28 @@
                     }
                 }
             });
-            final ImageView disconnect = (ImageView) view.findViewById(android.R.id.icon2);
-            disconnect.setVisibility(item.canDisconnect ? VISIBLE : GONE);
-            disconnect.setOnClickListener(new OnClickListener() {
-                @Override
-                public void onClick(View v) {
-                    if (mCallback != null) {
-                        mCallback.onDetailItemDisconnect(item);
+
+            final ImageView icon2 = (ImageView) view.findViewById(android.R.id.icon2);
+            if (item.canDisconnect) {
+                icon2.setImageResource(R.drawable.ic_qs_cancel);
+                icon2.setVisibility(VISIBLE);
+                icon2.setClickable(true);
+                icon2.setOnClickListener(new OnClickListener() {
+                    @Override
+                    public void onClick(View v) {
+                        if (mCallback != null) {
+                            mCallback.onDetailItemDisconnect(item);
+                        }
                     }
-                }
-            });
+                });
+            } else if (item.icon2 != -1) {
+                icon2.setVisibility(VISIBLE);
+                icon2.setImageResource(item.icon2);
+                icon2.setClickable(false);
+            } else {
+                icon2.setVisibility(GONE);
+            }
+
             return view;
         }
     };
@@ -245,6 +257,7 @@
         public CharSequence line2;
         public Object tag;
         public boolean canDisconnect;
+        public int icon2 = -1;
     }
 
     public interface Callback {
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 dea56aa1..cdde6ea 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/external/CustomTile.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/external/CustomTile.java
@@ -87,7 +87,7 @@
     private void setTileIcon() {
         try {
             PackageManager pm = mContext.getPackageManager();
-            int flags = PackageManager.MATCH_ENCRYPTION_AWARE_AND_UNAWARE;
+            int flags = PackageManager.MATCH_DIRECT_BOOT_UNAWARE | PackageManager.MATCH_DIRECT_BOOT_AWARE;
             if (isSystemApp(pm)) {
                 flags |= PackageManager.MATCH_DISABLED_COMPONENTS;
             }
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 90a9db6..796967c 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/tiles/WifiTile.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/tiles/WifiTile.java
@@ -372,9 +372,9 @@
                     item.icon = mWifiController.getIcon(ap);
                     item.line1 = ap.getSsid();
                     item.line2 = ap.isActive() ? ap.getSummary() : null;
-                    item.overlay = ap.getSecurity() != AccessPoint.SECURITY_NONE
-                            ? mContext.getDrawable(R.drawable.qs_ic_wifi_lock)
-                            : null;
+                    item.icon2 = ap.getSecurity() != AccessPoint.SECURITY_NONE
+                            ? R.drawable.qs_ic_wifi_lock
+                            : -1;
                     items[i] = item;
                 }
             }
diff --git a/packages/SystemUI/src/com/android/systemui/recents/views/TaskViewThumbnail.java b/packages/SystemUI/src/com/android/systemui/recents/views/TaskViewThumbnail.java
index 02b0113..e0dac09 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/views/TaskViewThumbnail.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/views/TaskViewThumbnail.java
@@ -197,6 +197,7 @@
                     bm.getHeight() - thumbnailData.insets.top - thumbnailData.insets.bottom);
             mThumbnailData = thumbnailData;
             updateThumbnailMatrix();
+            updateThumbnailPaintFilter();
         } else {
             mBitmapShader = null;
             mDrawPaint.setShader(null);
diff --git a/proto/src/metrics_constants.proto b/proto/src/metrics_constants.proto
index c7f518c..c1c385a 100644
--- a/proto/src/metrics_constants.proto
+++ b/proto/src/metrics_constants.proto
@@ -3466,6 +3466,12 @@
     // OS: O
     ENCRYPTION_AND_CREDENTIAL = 846;
 
+    // ACTION: Settings > About device > Build number
+    ACTION_SETTINGS_BUILD_NUMBER_PREF = 847;
+
+    // FIELD: Whether developer mode has already been enabled when clicking build number preference
+    FIELD_SETTINGS_BUILD_NUMBER_DEVELOPER_MODE_ENABLED = 848;
+
     // ---- End O Constants, all O constants go above this line ----
 
     // Add new aosp constants above this line.
diff --git a/services/autofill/java/com/android/server/autofill/AutoFillManagerServiceImpl.java b/services/autofill/java/com/android/server/autofill/AutoFillManagerServiceImpl.java
index f7cb010..bfc6e83 100644
--- a/services/autofill/java/com/android/server/autofill/AutoFillManagerServiceImpl.java
+++ b/services/autofill/java/com/android/server/autofill/AutoFillManagerServiceImpl.java
@@ -56,6 +56,7 @@
 import android.service.autofill.Dataset;
 import android.service.autofill.FillResponse;
 import android.service.autofill.IAutoFillService;
+import android.service.autofill.SaveInfo;
 import android.text.TextUtils;
 import android.util.ArrayMap;
 import android.util.ArraySet;
@@ -719,18 +720,19 @@
                 }
                 return;
             }
-            final ArraySet<AutoFillId> savableIds = mCurrentResponse.getSavableIds();
+            final SaveInfo saveInfo = mCurrentResponse.getSaveInfo();
             if (DEBUG) {
-                Slog.d(TAG, "showSaveLocked(): savableIds=" + savableIds);
+                Slog.d(TAG, "showSaveLocked(): saveInfo=" + saveInfo);
             }
 
-            if (savableIds == null || savableIds.isEmpty()) {
+            if (saveInfo == null || saveInfo.getSavableIds() == null
+                    || saveInfo.getSavableIds().isEmpty()) {
                 return;
             }
 
-            final int size = savableIds.size();
+            final int size = saveInfo.getSavableIds().size();
             for (int i = 0; i < size; i++) {
-                final AutoFillId id = savableIds.valueAt(i);
+                final AutoFillId id = saveInfo.getSavableIds().valueAt(i);
                 final ViewState state = mViewStates.get(id);
                 if (state != null && state.mValueUpdated) {
                     final AutoFillValue filledValue = findValue(mAutoFilledDataset, id);
@@ -741,8 +743,9 @@
                         Slog.d(TAG, "finishSessionLocked(): found a change on " + id + ": "
                                 + state.mAutoFillValue);
                     }
-                    getUiForShowing().showSaveUi(mInfo.getServiceInfo()
-                            .loadLabel(mContext.getPackageManager()));
+                    getUiForShowing().showSaveUi(
+                            mInfo.getServiceInfo().loadLabel(mContext.getPackageManager()),
+                            saveInfo);
                     return;
                 }
             }
diff --git a/services/autofill/java/com/android/server/autofill/ui/AutoFillUI.java b/services/autofill/java/com/android/server/autofill/ui/AutoFillUI.java
index cc0baa3..949a80c 100644
--- a/services/autofill/java/com/android/server/autofill/ui/AutoFillUI.java
+++ b/services/autofill/java/com/android/server/autofill/ui/AutoFillUI.java
@@ -24,6 +24,7 @@
 import android.os.IBinder;
 import android.service.autofill.Dataset;
 import android.service.autofill.FillResponse;
+import android.service.autofill.SaveInfo;
 import android.text.TextUtils;
 import android.view.autofill.AutoFillId;
 import android.widget.Toast;
@@ -172,13 +173,13 @@
     /**
      * Shows the UI asking the user to save for auto-fill.
      */
-    public void showSaveUi(@NonNull CharSequence providerLabel) {
+    public void showSaveUi(@NonNull CharSequence providerLabel, @NonNull SaveInfo info) {
         mHandler.post(() -> {
             if (!hasCallback()) {
                 return;
             }
             hideAllUiThread();
-            mSaveUi = new SaveUi(mContext, providerLabel,
+            mSaveUi = new SaveUi(mContext, providerLabel, info,
                     new SaveUi.OnSaveListener() {
                 @Override
                 public void onSave() {
diff --git a/services/autofill/java/com/android/server/autofill/ui/SaveUi.java b/services/autofill/java/com/android/server/autofill/ui/SaveUi.java
index b7215d6..afe93c7 100644
--- a/services/autofill/java/com/android/server/autofill/ui/SaveUi.java
+++ b/services/autofill/java/com/android/server/autofill/ui/SaveUi.java
@@ -20,6 +20,7 @@
 import android.app.Dialog;
 import android.content.Context;
 import android.os.Handler;
+import android.service.autofill.SaveInfo;
 import android.text.format.DateUtils;
 import android.view.Gravity;
 import android.view.Window;
@@ -50,15 +51,41 @@
 
     private boolean mDestroyed;
 
-    SaveUi(@NonNull Context context, @NonNull CharSequence providerLabel,
+    SaveUi(@NonNull Context context, @NonNull CharSequence providerLabel, @NonNull SaveInfo info,
             @NonNull OnSaveListener listener) {
         mListener = listener;
 
         final LayoutInflater inflater = LayoutInflater.from(context);
         final View view = inflater.inflate(R.layout.autofill_save, null);
 
-        final TextView title = (TextView) view.findViewById(R.id.autofill_save_title);
-        title.setText(context.getString(R.string.autofill_save_title, providerLabel));
+        final TextView titleView = (TextView) view.findViewById(R.id.autofill_save_title);
+        final String type;
+
+        switch(info.getType()) {
+            case SaveInfo.SAVE_DATA_TYPE_PASSWORD:
+                type = context.getString(R.string.autofill_save_type_password);
+                break;
+            case SaveInfo.SAVE_DATA_TYPE_ADDRESS:
+                type = context.getString(R.string.autofill_save_type_address);
+                break;
+            case SaveInfo.SAVE_DATA_TYPE_CREDIT_CARD:
+                type = context.getString(R.string.autofill_save_type_credit_card);
+                break;
+            default:
+                type = null;
+        }
+
+        final String title = (type == null)
+                ? context.getString(R.string.autofill_save_title, providerLabel)
+                : context.getString(R.string.autofill_save_title_with_type, type, providerLabel);
+
+        titleView.setText(title);
+        final CharSequence subTitle = info.getDescription();
+        if (subTitle != null) {
+            final TextView subTitleView = (TextView) view.findViewById(R.id.autofill_save_subtitle);
+            subTitleView.setText(subTitle);
+            subTitleView.setVisibility(View.VISIBLE);
+        }
 
         final View noButton = view.findViewById(R.id.autofill_save_no);
         noButton.setOnClickListener((v) -> mListener.onCancel());
diff --git a/services/core/java/com/android/server/AppOpsService.java b/services/core/java/com/android/server/AppOpsService.java
index dc0e3e1..de11f36 100644
--- a/services/core/java/com/android/server/AppOpsService.java
+++ b/services/core/java/com/android/server/AppOpsService.java
@@ -167,14 +167,10 @@
         }
     }
 
-    final SparseArray<ArrayList<Callback>> mOpModeWatchers
-            = new SparseArray<ArrayList<Callback>>();
-    final ArrayMap<String, ArrayList<Callback>> mPackageModeWatchers
-            = new ArrayMap<String, ArrayList<Callback>>();
-    final ArrayMap<IBinder, Callback> mModeWatchers
-            = new ArrayMap<IBinder, Callback>();
-    final SparseArray<SparseArray<Restriction>> mAudioRestrictions
-            = new SparseArray<SparseArray<Restriction>>();
+    final SparseArray<ArraySet<Callback>> mOpModeWatchers = new SparseArray<>();
+    final ArrayMap<String, ArraySet<Callback>> mPackageModeWatchers = new ArrayMap<>();
+    final ArrayMap<IBinder, Callback> mModeWatchers = new ArrayMap<>();
+    final SparseArray<SparseArray<Restriction>> mAudioRestrictions = new SparseArray<>();
 
     public final class Callback implements DeathRecipient {
         final IAppOpsCallback mCallback;
@@ -545,11 +541,11 @@
         ArrayMap<Callback, ArraySet<String>> callbackSpecs = null;
 
         synchronized (this) {
-            ArrayList<Callback> callbacks = mOpModeWatchers.get(code);
+            ArraySet<Callback> callbacks = mOpModeWatchers.get(code);
             if (callbacks != null) {
                 final int callbackCount = callbacks.size();
                 for (int i = 0; i < callbackCount; i++) {
-                    Callback callback = callbacks.get(i);
+                    Callback callback = callbacks.valueAt(i);
                     ArraySet<String> changedPackages = new ArraySet<>();
                     Collections.addAll(changedPackages, uidPackageNames);
                     callbackSpecs = new ArrayMap<>();
@@ -565,7 +561,7 @@
                     }
                     final int callbackCount = callbacks.size();
                     for (int i = 0; i < callbackCount; i++) {
-                        Callback callback = callbacks.get(i);
+                        Callback callback = callbacks.valueAt(i);
                         ArraySet<String> changedPackages = callbackSpecs.get(callback);
                         if (changedPackages == null) {
                             changedPackages = new ArraySet<>();
@@ -623,17 +619,17 @@
             if (op != null) {
                 if (op.mode != mode) {
                     op.mode = mode;
-                    ArrayList<Callback> cbs = mOpModeWatchers.get(code);
+                    ArraySet<Callback> cbs = mOpModeWatchers.get(code);
                     if (cbs != null) {
                         if (repCbs == null) {
-                            repCbs = new ArrayList<Callback>();
+                            repCbs = new ArrayList<>();
                         }
                         repCbs.addAll(cbs);
                     }
                     cbs = mPackageModeWatchers.get(packageName);
                     if (cbs != null) {
                         if (repCbs == null) {
-                            repCbs = new ArrayList<Callback>();
+                            repCbs = new ArrayList<>();
                         }
                         repCbs.addAll(cbs);
                     }
@@ -666,7 +662,7 @@
 
     private static HashMap<Callback, ArrayList<ChangeRec>> addCallbacks(
             HashMap<Callback, ArrayList<ChangeRec>> callbacks,
-            int op, int uid, String packageName, ArrayList<Callback> cbs) {
+            int op, int uid, String packageName, ArraySet<Callback> cbs) {
         if (cbs == null) {
             return callbacks;
         }
@@ -674,8 +670,9 @@
             callbacks = new HashMap<>();
         }
         boolean duplicate = false;
-        for (int i=0; i<cbs.size(); i++) {
-            Callback cb = cbs.get(i);
+        final int N = cbs.size();
+        for (int i=0; i<N; i++) {
+            Callback cb = cbs.valueAt(i);
             ArrayList<ChangeRec> reports = callbacks.get(cb);
             if (reports == null) {
                 reports = new ArrayList<>();
@@ -830,17 +827,17 @@
                 mModeWatchers.put(callback.asBinder(), cb);
             }
             if (op != AppOpsManager.OP_NONE) {
-                ArrayList<Callback> cbs = mOpModeWatchers.get(op);
+                ArraySet<Callback> cbs = mOpModeWatchers.get(op);
                 if (cbs == null) {
-                    cbs = new ArrayList<Callback>();
+                    cbs = new ArraySet<>();
                     mOpModeWatchers.put(op, cbs);
                 }
                 cbs.add(cb);
             }
             if (packageName != null) {
-                ArrayList<Callback> cbs = mPackageModeWatchers.get(packageName);
+                ArraySet<Callback> cbs = mPackageModeWatchers.get(packageName);
                 if (cbs == null) {
-                    cbs = new ArrayList<Callback>();
+                    cbs = new ArraySet<>();
                     mPackageModeWatchers.put(packageName, cbs);
                 }
                 cbs.add(cb);
@@ -858,14 +855,14 @@
             if (cb != null) {
                 cb.unlinkToDeath();
                 for (int i=mOpModeWatchers.size()-1; i>=0; i--) {
-                    ArrayList<Callback> cbs = mOpModeWatchers.valueAt(i);
+                    ArraySet<Callback> cbs = mOpModeWatchers.valueAt(i);
                     cbs.remove(cb);
                     if (cbs.size() <= 0) {
                         mOpModeWatchers.removeAt(i);
                     }
                 }
                 for (int i=mPackageModeWatchers.size()-1; i>=0; i--) {
-                    ArrayList<Callback> cbs = mPackageModeWatchers.valueAt(i);
+                    ArraySet<Callback> cbs = mPackageModeWatchers.valueAt(i);
                     cbs.remove(cb);
                     if (cbs.size() <= 0) {
                         mPackageModeWatchers.removeAt(i);
@@ -2066,10 +2063,10 @@
                 for (int i=0; i<mOpModeWatchers.size(); i++) {
                     pw.print("    Op "); pw.print(AppOpsManager.opToName(mOpModeWatchers.keyAt(i)));
                     pw.println(":");
-                    ArrayList<Callback> callbacks = mOpModeWatchers.valueAt(i);
+                    ArraySet<Callback> callbacks = mOpModeWatchers.valueAt(i);
                     for (int j=0; j<callbacks.size(); j++) {
                         pw.print("      #"); pw.print(j); pw.print(": ");
-                        pw.println(callbacks.get(j));
+                        pw.println(callbacks.valueAt(j));
                     }
                 }
             }
@@ -2079,10 +2076,10 @@
                 for (int i=0; i<mPackageModeWatchers.size(); i++) {
                     pw.print("    Pkg "); pw.print(mPackageModeWatchers.keyAt(i));
                     pw.println(":");
-                    ArrayList<Callback> callbacks = mPackageModeWatchers.valueAt(i);
+                    ArraySet<Callback> callbacks = mPackageModeWatchers.valueAt(i);
                     for (int j=0; j<callbacks.size(); j++) {
                         pw.print("      #"); pw.print(j); pw.print(": ");
-                        pw.println(callbacks.get(j));
+                        pw.println(callbacks.valueAt(j));
                     }
                 }
             }
@@ -2310,23 +2307,23 @@
     }
 
     private void notifyWatchersOfChange(int code) {
-        final ArrayList<Callback> clonedCallbacks;
+        final ArraySet<Callback> clonedCallbacks;
         synchronized (this) {
-            ArrayList<Callback> callbacks = mOpModeWatchers.get(code);
+            ArraySet<Callback> callbacks = mOpModeWatchers.get(code);
             if (callbacks == null) {
                 return;
             }
-            clonedCallbacks = new ArrayList<>(callbacks);
+            clonedCallbacks = new ArraySet<>(callbacks);
         }
 
         // There are components watching for mode changes such as window manager
         // and location manager which are in our process. The callbacks in these
-        // components may require permissions our remote caller does not have.s
+        // components may require permissions our remote caller does not have.
         final long identity = Binder.clearCallingIdentity();
         try {
             final int callbackCount = clonedCallbacks.size();
             for (int i = 0; i < callbackCount; i++) {
-                Callback callback = clonedCallbacks.get(i);
+                Callback callback = clonedCallbacks.valueAt(i);
                 try {
                     callback.mCallback.opChanged(code, -1, null);
                 } catch (RemoteException e) {
diff --git a/services/core/java/com/android/server/BatteryService.java b/services/core/java/com/android/server/BatteryService.java
index 6248cab..81f137e 100644
--- a/services/core/java/com/android/server/BatteryService.java
+++ b/services/core/java/com/android/server/BatteryService.java
@@ -130,6 +130,8 @@
     private int mLastMaxChargingVoltage;
     private int mLastChargeCounter;
 
+    private int mSequence = 1;
+
     private int mInvalidCharger;
     private int mLastInvalidCharger;
 
@@ -448,27 +450,29 @@
                 }
             }
 
-            sendIntentLocked();
+            mSequence++;
 
             // Separate broadcast is sent for power connected / not connected
             // since the standard intent will not wake any applications and some
             // applications may want to have smart behavior based on this.
             if (mPlugType != 0 && mLastPlugType == 0) {
+                final Intent statusIntent = new Intent(Intent.ACTION_POWER_CONNECTED);
+                statusIntent.setFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT);
+                statusIntent.putExtra(BatteryManager.EXTRA_SEQUENCE, mSequence);
                 mHandler.post(new Runnable() {
                     @Override
                     public void run() {
-                        Intent statusIntent = new Intent(Intent.ACTION_POWER_CONNECTED);
-                        statusIntent.setFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT);
                         mContext.sendBroadcastAsUser(statusIntent, UserHandle.ALL);
                     }
                 });
             }
             else if (mPlugType == 0 && mLastPlugType != 0) {
+                final Intent statusIntent = new Intent(Intent.ACTION_POWER_DISCONNECTED);
+                statusIntent.setFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT);
+                statusIntent.putExtra(BatteryManager.EXTRA_SEQUENCE, mSequence);
                 mHandler.post(new Runnable() {
                     @Override
                     public void run() {
-                        Intent statusIntent = new Intent(Intent.ACTION_POWER_DISCONNECTED);
-                        statusIntent.setFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT);
                         mContext.sendBroadcastAsUser(statusIntent, UserHandle.ALL);
                     }
                 });
@@ -476,26 +480,33 @@
 
             if (shouldSendBatteryLowLocked()) {
                 mSentLowBatteryBroadcast = true;
+                final Intent statusIntent = new Intent(Intent.ACTION_BATTERY_LOW);
+                statusIntent.setFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT);
+                statusIntent.putExtra(BatteryManager.EXTRA_SEQUENCE, mSequence);
                 mHandler.post(new Runnable() {
                     @Override
                     public void run() {
-                        Intent statusIntent = new Intent(Intent.ACTION_BATTERY_LOW);
-                        statusIntent.setFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT);
                         mContext.sendBroadcastAsUser(statusIntent, UserHandle.ALL);
                     }
                 });
             } else if (mSentLowBatteryBroadcast && mLastBatteryLevel >= mLowBatteryCloseWarningLevel) {
                 mSentLowBatteryBroadcast = false;
+                final Intent statusIntent = new Intent(Intent.ACTION_BATTERY_OKAY);
+                statusIntent.setFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT);
+                statusIntent.putExtra(BatteryManager.EXTRA_SEQUENCE, mSequence);
                 mHandler.post(new Runnable() {
                     @Override
                     public void run() {
-                        Intent statusIntent = new Intent(Intent.ACTION_BATTERY_OKAY);
-                        statusIntent.setFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT);
                         mContext.sendBroadcastAsUser(statusIntent, UserHandle.ALL);
                     }
                 });
             }
 
+            // We are doing this after sending the above broadcasts, so anything processing
+            // them will get the new sequence number at that point.  (See for example how testing
+            // of JobScheduler's BatteryController works.)
+            sendIntentLocked();
+
             // Update the battery LED
             mLed.updateLightsLocked();
 
@@ -527,6 +538,7 @@
 
         int icon = getIconLocked(mBatteryProps.batteryLevel);
 
+        intent.putExtra(BatteryManager.EXTRA_SEQUENCE, mSequence);
         intent.putExtra(BatteryManager.EXTRA_STATUS, mBatteryProps.batteryStatus);
         intent.putExtra(BatteryManager.EXTRA_HEALTH, mBatteryProps.batteryHealth);
         intent.putExtra(BatteryManager.EXTRA_PRESENT, mBatteryProps.batteryPresent);
@@ -666,12 +678,28 @@
         pw.println("Battery service (battery) commands:");
         pw.println("  help");
         pw.println("    Print this help text.");
-        pw.println("  set [ac|usb|wireless|status|level|invalid] <value>");
+        pw.println("  set [-f] [ac|usb|wireless|status|level|invalid] <value>");
         pw.println("    Force a battery property value, freezing battery state.");
-        pw.println("  unplug");
+        pw.println("    -f: force a battery change broadcast be sent, prints new sequence.");
+        pw.println("  unplug [-f]");
         pw.println("    Force battery unplugged, freezing battery state.");
-        pw.println("  reset");
+        pw.println("    -f: force a battery change broadcast be sent, prints new sequence.");
+        pw.println("  reset [-f]");
         pw.println("    Unfreeze battery state, returning to current hardware values.");
+        pw.println("    -f: force a battery change broadcast be sent, prints new sequence.");
+    }
+
+    static final int OPTION_FORCE_UPDATE = 1<<0;
+
+    int parseOptions(Shell shell) {
+        String opt;
+        int opts = 0;
+        while ((opt = shell.getNextOption()) != null) {
+            if ("-f".equals(opt)) {
+                opts |= OPTION_FORCE_UPDATE;
+            }
+        }
+        return opts;
     }
 
     int onShellCommand(Shell shell, String cmd) {
@@ -681,6 +709,7 @@
         PrintWriter pw = shell.getOutPrintWriter();
         switch (cmd) {
             case "unplug": {
+                int opts = parseOptions(shell);
                 getContext().enforceCallingOrSelfPermission(
                         android.Manifest.permission.DEVICE_POWER, null);
                 if (!mUpdatesStopped) {
@@ -692,12 +721,13 @@
                 long ident = Binder.clearCallingIdentity();
                 try {
                     mUpdatesStopped = true;
-                    processValuesLocked(false);
+                    processValuesFromShellLocked(pw, opts);
                 } finally {
                     Binder.restoreCallingIdentity(ident);
                 }
             } break;
             case "set": {
+                int opts = parseOptions(shell);
                 getContext().enforceCallingOrSelfPermission(
                         android.Manifest.permission.DEVICE_POWER, null);
                 final String key = shell.getNextArg();
@@ -745,7 +775,7 @@
                         long ident = Binder.clearCallingIdentity();
                         try {
                             mUpdatesStopped = true;
-                            processValuesLocked(false);
+                            processValuesFromShellLocked(pw, opts);
                         } finally {
                             Binder.restoreCallingIdentity(ident);
                         }
@@ -756,6 +786,7 @@
                 }
             } break;
             case "reset": {
+                int opts = parseOptions(shell);
                 getContext().enforceCallingOrSelfPermission(
                         android.Manifest.permission.DEVICE_POWER, null);
                 long ident = Binder.clearCallingIdentity();
@@ -763,7 +794,7 @@
                     if (mUpdatesStopped) {
                         mUpdatesStopped = false;
                         mBatteryProps.set(mLastBatteryProps);
-                        processValuesLocked(false);
+                        processValuesFromShellLocked(pw, opts);
                     }
                 } finally {
                     Binder.restoreCallingIdentity(ident);
@@ -775,6 +806,13 @@
         return 0;
     }
 
+    private void processValuesFromShellLocked(PrintWriter pw, int opts) {
+        processValuesLocked((opts & OPTION_FORCE_UPDATE) != 0);
+        if ((opts & OPTION_FORCE_UPDATE) != 0) {
+            pw.println(mSequence);
+        }
+    }
+
     private void dumpInternal(FileDescriptor fd, PrintWriter pw, String[] args) {
         synchronized (mLock) {
             if (args == null || args.length == 0 || "-a".equals(args[0])) {
diff --git a/services/core/java/com/android/server/NetworkScoreService.java b/services/core/java/com/android/server/NetworkScoreService.java
index b33538cb..d54ebaa 100644
--- a/services/core/java/com/android/server/NetworkScoreService.java
+++ b/services/core/java/com/android/server/NetworkScoreService.java
@@ -35,8 +35,7 @@
 import android.net.INetworkScoreService;
 import android.net.NetworkKey;
 import android.net.NetworkScoreManager;
-import android.net.NetworkScorerAppManager;
-import android.net.NetworkScorerAppManager.NetworkScorerAppData;
+import android.net.NetworkScorerAppData;
 import android.net.RecommendationRequest;
 import android.net.RecommendationResult;
 import android.net.ScoredNetwork;
@@ -132,10 +131,10 @@
      * manages the service connection.
      */
     private class NetworkScorerPackageMonitor extends PackageMonitor {
-        final List<String> mPackagesToWatch;
+        final String mPackageToWatch;
 
-        private NetworkScorerPackageMonitor(List<String> packagesToWatch) {
-            mPackagesToWatch = packagesToWatch;
+        private NetworkScorerPackageMonitor(String packageToWatch) {
+            mPackageToWatch = packageToWatch;
         }
 
         @Override
@@ -168,37 +167,27 @@
             evaluateBinding(packageName, true /* forceUnbind */);
         }
 
-        private void evaluateBinding(String scorerPackageName, boolean forceUnbind) {
-            if (!mPackagesToWatch.contains(scorerPackageName)) {
+        private void evaluateBinding(String changedPackageName, boolean forceUnbind) {
+            if (!mPackageToWatch.equals(changedPackageName)) {
                 // Early exit when we don't care about the package that has changed.
                 return;
             }
 
             if (DBG) {
-                Log.d(TAG, "Evaluating binding for: " + scorerPackageName
+                Log.d(TAG, "Evaluating binding for: " + changedPackageName
                         + ", forceUnbind=" + forceUnbind);
             }
+
             final NetworkScorerAppData activeScorer = mNetworkScorerAppManager.getActiveScorer();
             if (activeScorer == null) {
                 // Package change has invalidated a scorer, this will also unbind any service
                 // connection.
                 if (DBG) Log.d(TAG, "No active scorers available.");
-                unbindFromScoringServiceIfNeeded();
-            } else if (activeScorer.getRecommendationServicePackageName().equals(scorerPackageName))
-            {
-                // The active scoring service changed in some way.
-                if (DBG) {
-                    Log.d(TAG, "Possible change to the active scorer: "
-                            + activeScorer.getRecommendationServicePackageName());
-                }
+                refreshBinding();
+            } else { // The scoring service changed in some way.
                 if (forceUnbind) {
                     unbindFromScoringServiceIfNeeded();
                 }
-                bindToScoringServiceIfNeeded(activeScorer);
-            } else {
-                // One of the scoring apps on the device has changed and we may no longer be
-                // bound to the correct scoring app. The logic in bindToScoringServiceIfNeeded()
-                // will sort that out to leave us bound to the most recent active scorer.
                 if (DBG) {
                     Log.d(TAG, "Binding to " + activeScorer.getRecommendationServiceComponent()
                             + " if needed.");
@@ -272,60 +261,71 @@
     /** Called when the system is ready to run third-party code but before it actually does so. */
     void systemReady() {
         if (DBG) Log.d(TAG, "systemReady");
-        registerPackageMonitorIfNeeded();
         registerRecommendationSettingsObserver();
-        refreshRecommendationRequestTimeoutMs();
     }
 
     /** Called when the system is ready for us to start third-party code. */
     void systemRunning() {
         if (DBG) Log.d(TAG, "systemRunning");
-        bindToScoringServiceIfNeeded();
     }
 
-    private void onUserUnlocked(int userId) {
+    @VisibleForTesting
+    void onUserUnlocked(int userId) {
+        if (DBG) Log.d(TAG, "onUserUnlocked(" + userId + ")");
+        refreshBinding();
+    }
+
+    private void refreshBinding() {
+        if (DBG) Log.d(TAG, "refreshBinding()");
+        // Apply the default package name if the Setting isn't set.
+        mNetworkScorerAppManager.revertToDefaultIfNoActive();
         registerPackageMonitorIfNeeded();
         bindToScoringServiceIfNeeded();
     }
 
     private void registerRecommendationSettingsObserver() {
-        final List<String> providerPackages =
-            mNetworkScorerAppManager.getPotentialRecommendationProviderPackages();
-        if (!providerPackages.isEmpty()) {
-            final Uri enabledUri = Global.getUriFor(Global.NETWORK_RECOMMENDATIONS_ENABLED);
-            mContentObserver.observe(enabledUri,
-                    ServiceHandler.MSG_RECOMMENDATIONS_ENABLED_CHANGED);
-        }
+        final Uri packageNameUri = Global.getUriFor(Global.NETWORK_RECOMMENDATIONS_PACKAGE);
+        mContentObserver.observe(packageNameUri,
+                ServiceHandler.MSG_RECOMMENDATIONS_PACKAGE_CHANGED);
 
         final Uri timeoutUri = Global.getUriFor(Global.NETWORK_RECOMMENDATION_REQUEST_TIMEOUT_MS);
         mContentObserver.observe(timeoutUri,
                 ServiceHandler.MSG_RECOMMENDATION_REQUEST_TIMEOUT_CHANGED);
     }
 
+    /**
+     * Ensures the package manager is registered to monitor the current active scorer.
+     * If a discrepancy is found any previous monitor will be cleaned up
+     * and a new monitor will be created.
+     *
+     * This method is idempotent.
+     */
     private void registerPackageMonitorIfNeeded() {
-        if (DBG) Log.d(TAG, "registerPackageMonitorIfNeeded");
-        final List<String> providerPackages =
-            mNetworkScorerAppManager.getPotentialRecommendationProviderPackages();
+        if (DBG) Log.d(TAG, "registerPackageMonitorIfNeeded()");
+        final NetworkScorerAppData appData = mNetworkScorerAppManager.getActiveScorer();
         synchronized (mPackageMonitorLock) {
             // Unregister the current monitor if needed.
-            if (mPackageMonitor != null) {
+            if (mPackageMonitor != null && (appData == null
+                    || !appData.getRecommendationServicePackageName().equals(
+                            mPackageMonitor.mPackageToWatch))) {
                 if (DBG) {
                     Log.d(TAG, "Unregistering package monitor for "
-                            + mPackageMonitor.mPackagesToWatch);
+                            + mPackageMonitor.mPackageToWatch);
                 }
                 mPackageMonitor.unregister();
                 mPackageMonitor = null;
             }
 
-            // Create and register the monitor if there are packages that could be providers.
-            if (!providerPackages.isEmpty()) {
-                mPackageMonitor = new NetworkScorerPackageMonitor(providerPackages);
+            // Create and register the monitor if a scorer is active.
+            if (appData != null && mPackageMonitor == null) {
+                mPackageMonitor = new NetworkScorerPackageMonitor(
+                        appData.getRecommendationServicePackageName());
                 // TODO: Need to update when we support per-user scorers. http://b/23422763
                 mPackageMonitor.register(mContext, null /* thread */, UserHandle.SYSTEM,
                         false /* externalStorage */);
                 if (DBG) {
                     Log.d(TAG, "Registered package monitor for "
-                            + mPackageMonitor.mPackagesToWatch);
+                            + mPackageMonitor.mPackageToWatch);
                 }
             }
         }
@@ -337,6 +337,13 @@
         bindToScoringServiceIfNeeded(scorerData);
     }
 
+    /**
+     * Ensures the service connection is bound to the current active scorer.
+     * If a discrepancy is found any previous connection will be cleaned up
+     * and a new connection will be created.
+     *
+     * This method is idempotent.
+     */
     private void bindToScoringServiceIfNeeded(NetworkScorerAppData appData) {
         if (DBG) Log.d(TAG, "bindToScoringServiceIfNeeded(" + appData + ")");
         if (appData != null) {
@@ -365,6 +372,8 @@
         synchronized (mServiceConnectionLock) {
             if (mServiceConnection != null) {
                 mServiceConnection.disconnect(mContext);
+                if (DBG) Log.d(TAG, "Disconnected from: "
+                        + mServiceConnection.mAppData.getRecommendationServiceComponent());
             }
             mServiceConnection = null;
         }
@@ -653,17 +662,13 @@
 
     @Override
     public boolean setActiveScorer(String packageName) {
-        // TODO: For now, since SCORE_NETWORKS requires an app to be privileged, we allow such apps
-        // to directly set the scorer app rather than having to use the consent dialog. The
-        // assumption is that anyone bundling a scorer app with the system is trusted by the OEM to
-        // do the right thing and not enable this feature without explaining it to the user.
-        // In the future, should this API be opened to 3p apps, we will need to lock this down and
-        // figure out another way to streamline the UX.
-
-        mContext.enforceCallingOrSelfPermission(permission.SCORE_NETWORKS, TAG);
-
-        // Scorers (recommendation providers) are selected and no longer set.
-        return false;
+        // Only the system can set the active scorer
+        if (isCallerSystemProcess(getCallingUid()) || callerCanRequestScores()) {
+            return mNetworkScorerAppManager.setActiveScorer(packageName);
+        } else {
+            throw new SecurityException(
+                    "Caller is neither the system process nor a score requester.");
+        }
     }
 
     /**
@@ -700,7 +705,6 @@
         return null;
     }
 
-
     /**
      * Returns metadata about the active scorer or <code>null</code> if there is no active scorer.
      */
@@ -727,7 +731,13 @@
      */
     @Override
     public List<NetworkScorerAppData> getAllValidScorers() {
-        return mNetworkScorerAppManager.getAllValidScorers();
+        // Only the system can access this data.
+        if (isCallerSystemProcess(getCallingUid()) || callerCanRequestScores()) {
+            return mNetworkScorerAppManager.getAllValidScorers();
+        } else {
+            throw new SecurityException(
+                    "Caller is neither the system process nor a score requester.");
+        }
     }
 
     @Override
@@ -1159,7 +1169,7 @@
     @VisibleForTesting
     public final class ServiceHandler extends Handler {
         public static final int MSG_RECOMMENDATION_REQUEST_TIMEOUT = 1;
-        public static final int MSG_RECOMMENDATIONS_ENABLED_CHANGED = 2;
+        public static final int MSG_RECOMMENDATIONS_PACKAGE_CHANGED = 2;
         public static final int MSG_RECOMMENDATION_REQUEST_TIMEOUT_CHANGED = 3;
 
         public ServiceHandler(Looper looper) {
@@ -1181,8 +1191,8 @@
                     sendDefaultRecommendationResponse(request, remoteCallback);
                     break;
 
-                case MSG_RECOMMENDATIONS_ENABLED_CHANGED:
-                    bindToScoringServiceIfNeeded();
+                case MSG_RECOMMENDATIONS_PACKAGE_CHANGED:
+                    refreshBinding();
                     break;
 
                 case MSG_RECOMMENDATION_REQUEST_TIMEOUT_CHANGED:
diff --git a/services/core/java/com/android/server/NetworkScorerAppManager.java b/services/core/java/com/android/server/NetworkScorerAppManager.java
new file mode 100644
index 0000000..2f4485a
--- /dev/null
+++ b/services/core/java/com/android/server/NetworkScorerAppManager.java
@@ -0,0 +1,245 @@
+/*
+ * 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;
+
+import android.Manifest.permission;
+import android.annotation.Nullable;
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
+import android.content.pm.ServiceInfo;
+import android.net.NetworkScoreManager;
+import android.net.NetworkScorerAppData;
+import android.provider.Settings;
+import android.text.TextUtils;
+import android.util.Log;
+
+import com.android.internal.R;
+import com.android.internal.annotations.VisibleForTesting;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+/**
+ * Internal class for discovering and managing the network scorer/recommendation application.
+ *
+ * @hide
+ */
+@VisibleForTesting
+public class NetworkScorerAppManager {
+    private static final String TAG = "NetworkScorerAppManager";
+    private static final boolean DEBUG = Log.isLoggable(TAG, Log.DEBUG);
+    private static final boolean VERBOSE = Log.isLoggable(TAG, Log.VERBOSE);
+    private final Context mContext;
+    private final SettingsFacade mSettingsFacade;
+
+    public NetworkScorerAppManager(Context context) {
+      this(context, new SettingsFacade());
+    }
+
+    @VisibleForTesting
+    public NetworkScorerAppManager(Context context, SettingsFacade settingsFacade) {
+        mContext = context;
+        mSettingsFacade = settingsFacade;
+    }
+
+    /**
+     * Returns the list of available scorer apps. The list will be empty if there are
+     * no valid scorers.
+     */
+    @VisibleForTesting
+    public List<NetworkScorerAppData> getAllValidScorers() {
+        if (VERBOSE) Log.v(TAG, "getAllValidScorers()");
+        final PackageManager pm = mContext.getPackageManager();
+        final Intent serviceIntent = new Intent(NetworkScoreManager.ACTION_RECOMMEND_NETWORKS);
+        final List<ResolveInfo> resolveInfos =
+                pm.queryIntentServices(serviceIntent, PackageManager.GET_META_DATA);
+        if (resolveInfos == null || resolveInfos.isEmpty()) {
+            if (DEBUG) Log.d(TAG, "Found 0 Services able to handle " + serviceIntent);
+            return Collections.emptyList();
+        }
+
+        List<NetworkScorerAppData> appDataList = new ArrayList<>();
+        for (int i = 0; i < resolveInfos.size(); i++) {
+            final ServiceInfo serviceInfo = resolveInfos.get(i).serviceInfo;
+            if (hasPermissions(serviceInfo.packageName)) {
+                if (VERBOSE) {
+                    Log.v(TAG, serviceInfo.packageName + " is a valid scorer/recommender.");
+                }
+                final ComponentName serviceComponentName =
+                        new ComponentName(serviceInfo.packageName, serviceInfo.name);
+                final ComponentName useOpenWifiNetworksActivity =
+                        findUseOpenWifiNetworksActivity(serviceInfo);
+                appDataList.add(
+                        new NetworkScorerAppData(serviceInfo.applicationInfo.uid,
+                                serviceComponentName, useOpenWifiNetworksActivity));
+            } else {
+                if (VERBOSE) Log.v(TAG, serviceInfo.packageName
+                        + " is NOT a valid scorer/recommender.");
+            }
+        }
+
+        return appDataList;
+    }
+
+    @Nullable
+    private ComponentName findUseOpenWifiNetworksActivity(ServiceInfo serviceInfo) {
+        if (serviceInfo.metaData == null) {
+            if (DEBUG) {
+                Log.d(TAG, "No metadata found on " + serviceInfo.getComponentName());
+            }
+            return null;
+        }
+        final String useOpenWifiPackage = serviceInfo.metaData
+                .getString(NetworkScoreManager.USE_OPEN_WIFI_PACKAGE_META_DATA);
+        if (TextUtils.isEmpty(useOpenWifiPackage)) {
+            if (DEBUG) {
+                Log.d(TAG, "No use_open_wifi_package metadata found on "
+                        + serviceInfo.getComponentName());
+            }
+            return null;
+        }
+        final Intent enableUseOpenWifiIntent = new Intent(NetworkScoreManager.ACTION_CUSTOM_ENABLE)
+                .setPackage(useOpenWifiPackage);
+        final ResolveInfo resolveActivityInfo = mContext.getPackageManager()
+                .resolveActivity(enableUseOpenWifiIntent, 0 /* flags */);
+        if (VERBOSE) {
+            Log.d(TAG, "Resolved " + enableUseOpenWifiIntent + " to " + resolveActivityInfo);
+        }
+
+        if (resolveActivityInfo != null && resolveActivityInfo.activityInfo != null) {
+            return resolveActivityInfo.activityInfo.getComponentName();
+        }
+
+        return null;
+    }
+
+    /**
+     * Get the application to use for scoring networks.
+     *
+     * @return the scorer app info or null if scoring is disabled (including if no scorer was ever
+     *     selected) or if the previously-set scorer is no longer a valid scorer app (e.g. because
+     *     it was disabled or uninstalled).
+     */
+    @Nullable
+    @VisibleForTesting
+    public NetworkScorerAppData getActiveScorer() {
+        return getScorer(getNetworkRecommendationsPackage());
+    }
+
+    private NetworkScorerAppData getScorer(String packageName) {
+        if (TextUtils.isEmpty(packageName)) {
+            return null;
+        }
+
+        // Otherwise return the recommendation provider (which may be null).
+        List<NetworkScorerAppData> apps = getAllValidScorers();
+        for (int i = 0; i < apps.size(); i++) {
+            NetworkScorerAppData app = apps.get(i);
+            if (app.getRecommendationServicePackageName().equals(packageName)) {
+                return app;
+            }
+        }
+
+        return null;
+    }
+
+    private boolean hasPermissions(String packageName) {
+        final PackageManager pm = mContext.getPackageManager();
+        return pm.checkPermission(permission.SCORE_NETWORKS, packageName)
+                == PackageManager.PERMISSION_GRANTED;
+    }
+
+    /**
+     * Set the specified package as the default scorer application.
+     *
+     * <p>The caller must have permission to write to {@link Settings.Global}.
+     *
+     * @param packageName the packageName of the new scorer to use. If null, the scoring app will
+     *                    revert back to the configured default. Otherwise, the scorer will only
+     *                    be set if it is a valid scorer application.
+     * @return true if the scorer was changed, or false if the package is not a valid scorer or
+     *         a valid network recommendation provider exists.
+     */
+    @VisibleForTesting
+    public boolean setActiveScorer(String packageName) {
+        String oldPackageName = getNetworkRecommendationsPackage();
+        if (TextUtils.equals(oldPackageName, packageName)) {
+            // No change.
+            return true;
+        }
+
+        Log.i(TAG, "Changing network scorer from " + oldPackageName + " to " + packageName);
+
+        if (packageName == null) {
+            // revert to the default setting.
+            setNetworkRecommendationsPackage(getDefaultPackageSetting());
+            return true;
+        } else {
+            // We only make the change if the new package is valid.
+            if (getScorer(packageName) != null) {
+                setNetworkRecommendationsPackage(packageName);
+                return true;
+            } else {
+                Log.w(TAG, "Requested network scorer is not valid: " + packageName);
+                return false;
+            }
+        }
+    }
+
+    /**
+     * If the active scorer is null then revert to the default scorer.
+     */
+    @VisibleForTesting
+    public void revertToDefaultIfNoActive() {
+        if (getActiveScorer() == null) {
+            final String defaultPackage = getDefaultPackageSetting();
+            setNetworkRecommendationsPackage(defaultPackage);
+            Log.i(TAG, "Defaulted the network recommendations app to: " + defaultPackage);
+        }
+    }
+
+    private String getDefaultPackageSetting() {
+        return mContext.getResources().getString(
+                R.string.config_defaultNetworkRecommendationProviderPackage);
+    }
+
+    private String getNetworkRecommendationsPackage() {
+        return mSettingsFacade.getString(mContext, Settings.Global.NETWORK_RECOMMENDATIONS_PACKAGE);
+    }
+
+    private void setNetworkRecommendationsPackage(String packageName) {
+        mSettingsFacade.putString(mContext,
+                Settings.Global.NETWORK_RECOMMENDATIONS_PACKAGE, packageName);
+    }
+
+    /**
+     * Wrapper around Settings to make testing easier.
+     */
+    public static class SettingsFacade {
+        public boolean putString(Context context, String name, String value) {
+            return Settings.Global.putString(context.getContentResolver(), name, value);
+        }
+
+        public String getString(Context context, String name) {
+            return Settings.Global.getString(context.getContentResolver(), name);
+        }
+    }
+}
diff --git a/services/core/java/com/android/server/am/ActivityManagerService.java b/services/core/java/com/android/server/am/ActivityManagerService.java
index d287d85..a618290 100644
--- a/services/core/java/com/android/server/am/ActivityManagerService.java
+++ b/services/core/java/com/android/server/am/ActivityManagerService.java
@@ -3023,15 +3023,24 @@
             startRunningVoiceLocked(r.task.voiceSession, r.info.applicationInfo.uid);
         } else {
             finishRunningVoiceLocked();
-            IVoiceInteractionSession session;
-            if (mLastResumedActivity != null
-                    && ((session = mLastResumedActivity.task.voiceSession) != null
-                    || (session = mLastResumedActivity.voiceSession) != null)) {
-                // We had been in a voice interaction session, but now focused has
-                // move to something different.  Just finish the session, we can't
-                // return to it and retain the proper state and synchronization with
-                // the voice interaction service.
-                finishVoiceTask(session);
+
+            if (mLastResumedActivity != null) {
+                final IVoiceInteractionSession session;
+
+                if (mLastResumedActivity.task != null
+                    && mLastResumedActivity.task.voiceSession != null) {
+                    session = mLastResumedActivity.task.voiceSession;
+                } else {
+                    session = mLastResumedActivity.voiceSession;
+                }
+
+                if (session != null) {
+                    // We had been in a voice interaction session, but now focused has
+                    // move to something different.  Just finish the session, we can't
+                    // return to it and retain the proper state and synchronization with
+                    // the voice interaction service.
+                    finishVoiceTask(session);
+                }
             }
         }
 
@@ -10636,7 +10645,7 @@
             providers = AppGlobals.getPackageManager()
                     .queryContentProviders(app.processName, app.uid,
                             STOCK_PM_FLAGS | PackageManager.GET_URI_PERMISSION_PATTERNS
-                                    | MATCH_DEBUG_TRIAGED_MISSING)
+                                    | MATCH_DEBUG_TRIAGED_MISSING, /*metadastaKey=*/ null)
                     .getList();
         } catch (RemoteException ex) {
         }
@@ -10702,6 +10711,7 @@
         try {
             cpi = AppGlobals.getPackageManager().resolveContentProvider(authority,
                     STOCK_PM_FLAGS | PackageManager.GET_URI_PERMISSION_PATTERNS
+                            | PackageManager.MATCH_DISABLED_COMPONENTS
                             | PackageManager.MATCH_DIRECT_BOOT_AWARE
                             | PackageManager.MATCH_DIRECT_BOOT_UNAWARE,
                     userId);
@@ -18022,15 +18032,18 @@
             } else if (rl.uid != callingUid) {
                 throw new IllegalArgumentException(
                         "Receiver requested to register for uid " + callingUid
-                        + " was previously registered for uid " + rl.uid);
+                        + " was previously registered for uid " + rl.uid
+                        + " callerPackage is " + callerPackage);
             } else if (rl.pid != callingPid) {
                 throw new IllegalArgumentException(
                         "Receiver requested to register for pid " + callingPid
-                        + " was previously registered for pid " + rl.pid);
+                        + " was previously registered for pid " + rl.pid
+                        + " callerPackage is " + callerPackage);
             } else if (rl.userId != userId) {
                 throw new IllegalArgumentException(
                         "Receiver requested to register for user " + userId
-                        + " was previously registered for user " + rl.userId);
+                        + " was previously registered for user " + rl.userId
+                        + " callerPackage is " + callerPackage);
             }
             BroadcastFilter bf = new BroadcastFilter(filter, rl, callerPackage,
                     permission, callingUid, userId);
diff --git a/services/core/java/com/android/server/am/ActivityRecord.java b/services/core/java/com/android/server/am/ActivityRecord.java
index aef429e..10055c8 100644
--- a/services/core/java/com/android/server/am/ActivityRecord.java
+++ b/services/core/java/com/android/server/am/ActivityRecord.java
@@ -802,10 +802,7 @@
 
         // Remove the activity from the old task and add it to the new task
         prevTask.removeActivity(this);
-        // TODO(b/34179495): This should really be set to null in removeActivity() call above,
-        // but really bad things that I can't track down right now happen when I do that.
-        // So, setting it here now and will change later when there is time for investigation.
-        task = null;
+
         newTask.addActivityAtIndex(position, this);
     }
 
diff --git a/services/core/java/com/android/server/am/ActivityStackSupervisor.java b/services/core/java/com/android/server/am/ActivityStackSupervisor.java
index 6f79bc27..ab1559d 100644
--- a/services/core/java/com/android/server/am/ActivityStackSupervisor.java
+++ b/services/core/java/com/android/server/am/ActivityStackSupervisor.java
@@ -177,7 +177,6 @@
 import java.io.PrintWriter;
 import java.util.ArrayList;
 import java.util.Arrays;
-import java.util.Collections;
 import java.util.List;
 import java.util.Objects;
 import java.util.Set;
@@ -4902,7 +4901,7 @@
                 setResizingDuringAnimation(task);
             }
 
-            mService.mActivityStarter.postStartActivityUncheckedProcessing(task.getTopActivity(),
+            mService.mActivityStarter.postStartActivityProcessing(task.getTopActivity(),
                     ActivityManager.START_TASK_TO_FRONT,
                     sourceRecord != null ? sourceRecord.task.getStackId() : INVALID_STACK_ID,
                     sourceRecord, task.getStack());
diff --git a/services/core/java/com/android/server/am/ActivityStarter.java b/services/core/java/com/android/server/am/ActivityStarter.java
index 83d43db..d8c5533 100644
--- a/services/core/java/com/android/server/am/ActivityStarter.java
+++ b/services/core/java/com/android/server/am/ActivityStarter.java
@@ -17,6 +17,7 @@
 package com.android.server.am;
 
 import static android.app.Activity.RESULT_CANCELED;
+import static android.app.ActivityManager.START_CANCELED;
 import static android.app.ActivityManager.START_CLASS_NOT_FOUND;
 import static android.app.ActivityManager.START_DELIVERED_TO_TOP;
 import static android.app.ActivityManager.START_FLAG_ONLY_IF_NEEDED;
@@ -88,12 +89,10 @@
 import android.app.AppGlobals;
 import android.app.IActivityContainer;
 import android.app.IApplicationThread;
-import android.app.KeyguardManager;
 import android.app.PendingIntent;
 import android.app.ProfilerInfo;
 import android.app.WaitResult;
 import android.content.ComponentName;
-import android.content.Context;
 import android.content.IIntentSender;
 import android.content.Intent;
 import android.content.IntentSender;
@@ -509,33 +508,26 @@
 
         doPendingActivityLaunchesLocked(false);
 
-        try {
-            mService.mWindowManager.deferSurfaceLayout();
-            err = startActivityUnchecked(r, sourceRecord, voiceSession, voiceInteractor, startFlags,
-                    true, options, inTask);
-        } finally {
-            mService.mWindowManager.continueSurfaceLayout();
-        }
-        postStartActivityUncheckedProcessing(r, err, stack.mStackId, mSourceRecord, mTargetStack);
-        return err;
+        return startActivity(r, sourceRecord, voiceSession, voiceInteractor, startFlags, true,
+            options, inTask);
     }
 
     /** Creates a launch intent for the given auxiliary resolution data. */
     private @NonNull Intent createLaunchIntent(@NonNull AuxiliaryResolveInfo auxiliaryResponse,
-            Intent originalIntent, String callingPackage,
-            String resolvedType, int userId) {
+        Intent originalIntent, String callingPackage,
+        String resolvedType, int userId) {
         if (auxiliaryResponse.needsPhaseTwo) {
             // request phase two resolution
             mService.getPackageManagerInternalLocked().requestInstantAppResolutionPhaseTwo(
-                    auxiliaryResponse, originalIntent, resolvedType, callingPackage, userId);
+                auxiliaryResponse, originalIntent, resolvedType, callingPackage, userId);
         }
         return EphemeralResolver.buildEphemeralInstallerIntent(originalIntent,
-                callingPackage, resolvedType, userId, auxiliaryResponse.packageName,
-                auxiliaryResponse.splitName, auxiliaryResponse.versionCode,
-                auxiliaryResponse.token, auxiliaryResponse.needsPhaseTwo);
+            callingPackage, resolvedType, userId, auxiliaryResponse.packageName,
+            auxiliaryResponse.splitName, auxiliaryResponse.versionCode,
+            auxiliaryResponse.token, auxiliaryResponse.needsPhaseTwo);
     }
 
-    void postStartActivityUncheckedProcessing(
+    void postStartActivityProcessing(
             ActivityRecord r, int result, int prevFocusedStackId, ActivityRecord sourceRecord,
             ActivityStack targetStack) {
 
@@ -937,6 +929,32 @@
         }
     }
 
+    private int startActivity(final ActivityRecord r, ActivityRecord sourceRecord,
+        IVoiceInteractionSession voiceSession, IVoiceInteractor voiceInteractor,
+        int startFlags, boolean doResume, ActivityOptions options, TaskRecord inTask) {
+        int result = START_CANCELED;
+        try {
+            mService.mWindowManager.deferSurfaceLayout();
+            result = startActivityUnchecked(r, sourceRecord, voiceSession, voiceInteractor,
+                startFlags,
+                doResume, options, inTask);
+        } finally {
+            // If we are not able to proceed, disassociate the activity from the task. Leaving an
+            // activity in an incomplete state can lead to issues, such as performing operations
+            // without a window container.
+            if (result != START_SUCCESS && mStartActivity.task != null) {
+                mStartActivity.task.removeActivity(mStartActivity);
+            }
+            mService.mWindowManager.continueSurfaceLayout();
+        }
+
+        postStartActivityProcessing(r, result, mSupervisor.mFocusedStack.mStackId,
+            mSourceRecord, mTargetStack);
+
+        return result;
+    }
+
+    // Note: This method should only be called from {@link startActivity}.
     private int startActivityUnchecked(final ActivityRecord r, ActivityRecord sourceRecord,
             IVoiceInteractionSession voiceSession, IVoiceInteractor voiceInteractor,
             int startFlags, boolean doResume, ActivityOptions options, TaskRecord inTask) {
@@ -1843,11 +1861,8 @@
             final PendingActivityLaunch pal = mPendingActivityLaunches.remove(0);
             final boolean resume = doResume && mPendingActivityLaunches.isEmpty();
             try {
-                final int result = startActivityUnchecked(
-                        pal.r, pal.sourceRecord, null, null, pal.startFlags, resume, null, null);
-                postStartActivityUncheckedProcessing(
-                        pal.r, result, mSupervisor.mFocusedStack.mStackId, mSourceRecord,
-                        mTargetStack);
+                startActivity(pal.r, pal.sourceRecord, null, null, pal.startFlags, resume, null,
+                    null);
             } catch (Exception e) {
                 Slog.e(TAG, "Exception during pending activity launch pal=" + pal, e);
                 pal.sendErrorResult(e.getMessage());
diff --git a/services/core/java/com/android/server/am/TaskRecord.java b/services/core/java/com/android/server/am/TaskRecord.java
index f8645d6..b051304 100644
--- a/services/core/java/com/android/server/am/TaskRecord.java
+++ b/services/core/java/com/android/server/am/TaskRecord.java
@@ -1083,6 +1083,13 @@
 
     /** @return true if this was the last activity in the task */
     boolean removeActivity(ActivityRecord r) {
+        if (r.task != this) {
+            throw new IllegalArgumentException(
+                "Activity=" + r + " does not belong to task=" + this);
+        }
+
+        r.task = null;
+
         if (mActivities.remove(r) && r.fullscreen) {
             // Was previously in list.
             numFullscreen--;
diff --git a/services/core/java/com/android/server/audio/PlaybackActivityMonitor.java b/services/core/java/com/android/server/audio/PlaybackActivityMonitor.java
index e8ff510..d648dd8 100644
--- a/services/core/java/com/android/server/audio/PlaybackActivityMonitor.java
+++ b/services/core/java/com/android/server/audio/PlaybackActivityMonitor.java
@@ -51,14 +51,36 @@
     private final static boolean DEBUG = false;
     private final static int VOLUME_SHAPER_SYSTEM_DUCK_ID = 1;
 
-    private ArrayList<PlayMonitorClient> mClients = new ArrayList<PlayMonitorClient>();
+    private final VolumeShaper.Configuration DUCK_VSHAPE =
+            new VolumeShaper.Configuration.Builder()
+                .setId(VOLUME_SHAPER_SYSTEM_DUCK_ID)
+                .setCurve(new float[] { 0.f, 1.f } /* times */,
+                    new float[] { 1.f, 0.2f } /* volumes */)
+                .setOptionFlags(VolumeShaper.Configuration.OPTION_FLAG_CLOCK_TIME)
+                .setDurationMs(MediaFocusControl.getFocusRampTimeMs(
+                    AudioManager.AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK,
+                    new AudioAttributes.Builder().setUsage(AudioAttributes.USAGE_NOTIFICATION)
+                            .build()))
+                .build();
+    private final VolumeShaper.Configuration DUCK_ID =
+            new VolumeShaper.Configuration(VOLUME_SHAPER_SYSTEM_DUCK_ID);
+    private final VolumeShaper.Operation PLAY_CREATE_IF_NEEDED =
+            new VolumeShaper.Operation.Builder(VolumeShaper.Operation.PLAY)
+                    .createIfNeeded()
+                    .build();
+    private final VolumeShaper.Operation TERMINATE =
+            new VolumeShaper.Operation.Builder()
+                    .terminate()
+                    .build();
+
+    private final ArrayList<PlayMonitorClient> mClients = new ArrayList<PlayMonitorClient>();
     // a public client is one that needs an anonymized version of the playback configurations, we
     // keep track of whether there is at least one to know when we need to create the list of
     // playback configurations that do not contain uid/pid/package name information.
     private boolean mHasPublicClients = false;
 
     private final Object mPlayerLock = new Object();
-    private HashMap<Integer, AudioPlaybackConfiguration> mPlayers =
+    private final HashMap<Integer, AudioPlaybackConfiguration> mPlayers =
             new HashMap<Integer, AudioPlaybackConfiguration>();
 
     PlaybackActivityMonitor() {
@@ -130,12 +152,10 @@
         synchronized(mPlayerLock) {
             final AudioPlaybackConfiguration apc = mPlayers.get(new Integer(piid));
             if (checkConfigurationCaller(piid, apc, binderUid)) {
+                apc.getPlayerProxy().applyVolumeShaper(
+                        DUCK_ID,
+                        TERMINATE);
                 mPlayers.remove(new Integer(piid));
-                final VolumeShaper vs = mDuckVolumeShapers.get(new Integer(piid));
-                if (vs != null) {
-                    vs.release();
-                    mDuckVolumeShapers.remove(new Integer(piid));
-                }
             } else {
                 Log.e(TAG, "Error releasing player " + piid);
             }
@@ -252,20 +272,6 @@
     private final ArrayList<Integer> mDuckedPlayers = new ArrayList<Integer>();
     private final ArrayList<Integer> mMutedPlayers = new ArrayList<Integer>();
 
-    private final VolumeShaper.Configuration DUCK_VSHAPE =
-            new VolumeShaper.Configuration.Builder()
-                .setId(VOLUME_SHAPER_SYSTEM_DUCK_ID)
-                .setCurve(new float[] { 0.f, 1.f } /* times */,
-                    new float[] { 1.f, 0.2f } /* volumes */)
-                .setDurationMs(MediaFocusControl.getFocusRampTimeMs(
-                    AudioManager.AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK,
-                    new AudioAttributes.Builder().setUsage(AudioAttributes.USAGE_NOTIFICATION)
-                            .build()))
-                .build();
-
-    private final HashMap<Integer, VolumeShaper> mDuckVolumeShapers =
-            new HashMap<Integer, VolumeShaper>();
-
     @Override
     public boolean duckPlayers(FocusRequester winner, FocusRequester loser) {
         if (DEBUG) {
@@ -302,17 +308,9 @@
                     } else {
                         try {
                             if (DEBUG) { Log.v(TAG, "ducking player " + piid); }
-                            final VolumeShaper ducker;
-                            if (mDuckVolumeShapers.containsKey(new Integer(piid))) {
-                                ducker = mDuckVolumeShapers.get(new Integer(piid));
-                            } else {
-                                ducker = new VolumeShaper(
-                                        DUCK_VSHAPE,
-                                        apc.getPlayerProxy(),
-                                        true /* keepReference */);
-                                mDuckVolumeShapers.put(new Integer(piid), ducker);
-                            }
-                            ducker.apply(VolumeShaper.Operation.PLAY); // duck
+                            apc.getPlayerProxy().applyVolumeShaper(
+                                    DUCK_VSHAPE,
+                                    PLAY_CREATE_IF_NEEDED);
                             mDuckedPlayers.add(piid);
                         } catch (Exception e) {
                             Log.e(TAG, "Error ducking player " + piid, e);
@@ -341,10 +339,9 @@
                     try {
                         if (DEBUG) { Log.v(TAG, "unducking player" + piid); }
                         mDuckedPlayers.remove(new Integer(piid));
-                        if (mDuckVolumeShapers.containsKey(new Integer(piid))) {
-                            final VolumeShaper ducker = mDuckVolumeShapers.get(new Integer(piid));
-                            ducker.apply(VolumeShaper.Operation.REVERSE); // unduck
-                        }
+                        apc.getPlayerProxy().applyVolumeShaper(
+                                DUCK_ID,
+                                VolumeShaper.Operation.REVERSE);
                     } catch (Exception e) {
                         Log.e(TAG, "Error unducking player " + piid, e);
                     }
diff --git a/services/core/java/com/android/server/job/JobPackageTracker.java b/services/core/java/com/android/server/job/JobPackageTracker.java
index 82e2eb4..0a6d8a4 100644
--- a/services/core/java/com/android/server/job/JobPackageTracker.java
+++ b/services/core/java/com/android/server/job/JobPackageTracker.java
@@ -437,7 +437,7 @@
         for (int i=0; i<size; i++) {
             final int index = mEventIndices.indexOf(i);
             final int uid = mEventUids[index];
-            if (filterUid != -1 && filterUid != UserHandle.getAppId(filterUid)) {
+            if (filterUid != -1 && filterUid != UserHandle.getAppId(uid)) {
                 continue;
             }
             final int cmd = mEventCmds[index];
diff --git a/services/core/java/com/android/server/job/JobSchedulerService.java b/services/core/java/com/android/server/job/JobSchedulerService.java
index a748013..c973911 100644
--- a/services/core/java/com/android/server/job/JobSchedulerService.java
+++ b/services/core/java/com/android/server/job/JobSchedulerService.java
@@ -131,6 +131,8 @@
     final List<JobServiceContext> mActiveServices = new ArrayList<>();
     /** List of controllers that will notify this service of updates to jobs. */
     List<StateController> mControllers;
+    /** Need direct access to this for testing. */
+    BatteryController mBatteryController;
     /**
      * Queue of pending jobs. The JobServiceContext class will receive jobs from this list
      * when ready to execute them.
@@ -194,6 +196,7 @@
         // Key names stored in the settings value.
         private static final String KEY_MIN_IDLE_COUNT = "min_idle_count";
         private static final String KEY_MIN_CHARGING_COUNT = "min_charging_count";
+        private static final String KEY_MIN_BATTERY_NOT_LOW_COUNT = "min_battery_not_low_count";
         private static final String KEY_MIN_CONNECTIVITY_COUNT = "min_connectivity_count";
         private static final String KEY_MIN_CONTENT_COUNT = "min_content_count";
         private static final String KEY_MIN_READY_JOBS_COUNT = "min_ready_jobs_count";
@@ -207,6 +210,7 @@
 
         private static final int DEFAULT_MIN_IDLE_COUNT = 1;
         private static final int DEFAULT_MIN_CHARGING_COUNT = 1;
+        private static final int DEFAULT_MIN_BATTERY_NOT_LOW_COUNT = 1;
         private static final int DEFAULT_MIN_CONNECTIVITY_COUNT = 1;
         private static final int DEFAULT_MIN_CONTENT_COUNT = 1;
         private static final int DEFAULT_MIN_READY_JOBS_COUNT = 1;
@@ -229,6 +233,11 @@
          */
         int MIN_CHARGING_COUNT = DEFAULT_MIN_CHARGING_COUNT;
         /**
+         * Minimum # of "battery not low" jobs that must be ready in order to force the JMS to
+         * schedule things early.
+         */
+        int MIN_BATTERY_NOT_LOW_COUNT = DEFAULT_MIN_BATTERY_NOT_LOW_COUNT;
+        /**
          * Minimum # of connectivity jobs that must be ready in order to force the JMS to schedule
          * things early.  1 == Run connectivity jobs as soon as ready.
          */
@@ -312,6 +321,8 @@
                         DEFAULT_MIN_IDLE_COUNT);
                 MIN_CHARGING_COUNT = mParser.getInt(KEY_MIN_CHARGING_COUNT,
                         DEFAULT_MIN_CHARGING_COUNT);
+                MIN_BATTERY_NOT_LOW_COUNT = mParser.getInt(KEY_MIN_BATTERY_NOT_LOW_COUNT,
+                        DEFAULT_MIN_BATTERY_NOT_LOW_COUNT);
                 MIN_CONNECTIVITY_COUNT = mParser.getInt(KEY_MIN_CONNECTIVITY_COUNT,
                         DEFAULT_MIN_CONNECTIVITY_COUNT);
                 MIN_CONTENT_COUNT = mParser.getInt(KEY_MIN_CONTENT_COUNT,
@@ -356,6 +367,9 @@
             pw.print("    "); pw.print(KEY_MIN_CHARGING_COUNT); pw.print("=");
             pw.print(MIN_CHARGING_COUNT); pw.println();
 
+            pw.print("    "); pw.print(KEY_MIN_BATTERY_NOT_LOW_COUNT); pw.print("=");
+            pw.print(MIN_BATTERY_NOT_LOW_COUNT); pw.println();
+
             pw.print("    "); pw.print(KEY_MIN_CONNECTIVITY_COUNT); pw.print("=");
             pw.print(MIN_CONNECTIVITY_COUNT); pw.println();
 
@@ -785,7 +799,8 @@
         mControllers.add(ConnectivityController.get(this));
         mControllers.add(TimeController.get(this));
         mControllers.add(IdleController.get(this));
-        mControllers.add(BatteryController.get(this));
+        mBatteryController = BatteryController.get(this);
+        mControllers.add(mBatteryController);
         mControllers.add(AppIdleController.get(this));
         mControllers.add(ContentObserverController.get(this));
         mControllers.add(DeviceIdleJobsController.get(this));
@@ -1186,6 +1201,7 @@
          */
         class MaybeReadyJobQueueFunctor implements JobStatusFunctor {
             int chargingCount;
+            int batteryNotLowCount;
             int idleCount;
             int backoffCount;
             int connectivityCount;
@@ -1223,6 +1239,9 @@
                     if (job.hasChargingConstraint()) {
                         chargingCount++;
                     }
+                    if (job.hasBatteryNotLowConstraint()) {
+                        batteryNotLowCount++;
+                    }
                     if (job.hasContentTriggerConstraint()) {
                         contentCount++;
                     }
@@ -1241,6 +1260,7 @@
                         idleCount >= mConstants.MIN_IDLE_COUNT ||
                         connectivityCount >= mConstants.MIN_CONNECTIVITY_COUNT ||
                         chargingCount >= mConstants.MIN_CHARGING_COUNT ||
+                        batteryNotLowCount >= mConstants.MIN_BATTERY_NOT_LOW_COUNT ||
                         contentCount >= mConstants.MIN_CONTENT_COUNT ||
                         (runnableJobs != null
                                 && runnableJobs.size() >= mConstants.MIN_READY_JOBS_COUNT)) {
@@ -1264,6 +1284,7 @@
                 idleCount =  0;
                 backoffCount = 0;
                 connectivityCount = 0;
+                batteryNotLowCount = 0;
                 contentCount = 0;
                 runnableJobs = null;
             }
@@ -1764,6 +1785,34 @@
         return 0;
     }
 
+    void setMonitorBattery(boolean enabled) {
+        synchronized (mLock) {
+            if (mBatteryController != null) {
+                mBatteryController.getTracker().setMonitorBatteryLocked(enabled);
+            }
+        }
+    }
+
+    int getBatterySeq() {
+        synchronized (mLock) {
+            return mBatteryController != null ? mBatteryController.getTracker().getSeq() : -1;
+        }
+    }
+
+    boolean getBatteryCharging() {
+        synchronized (mLock) {
+            return mBatteryController != null
+                    ? mBatteryController.getTracker().isOnStablePower() : false;
+        }
+    }
+
+    boolean getBatteryNotLow() {
+        synchronized (mLock) {
+            return mBatteryController != null
+                    ? mBatteryController.getTracker().isBatteryNotLow() : false;
+        }
+    }
+
     private String printContextIdToJobMap(JobStatus[] map, String initial) {
         StringBuilder s = new StringBuilder(initial + ": ");
         for (int i=0; i<map.length; i++) {
diff --git a/services/core/java/com/android/server/job/JobSchedulerShellCommand.java b/services/core/java/com/android/server/job/JobSchedulerShellCommand.java
index 2d62c1c..ec23407 100644
--- a/services/core/java/com/android/server/job/JobSchedulerShellCommand.java
+++ b/services/core/java/com/android/server/job/JobSchedulerShellCommand.java
@@ -43,10 +43,19 @@
     public int onCommand(String cmd) {
         final PrintWriter pw = getOutPrintWriter();
         try {
-            if ("run".equals(cmd)) {
-                return runJob();
-            } else {
-                return handleDefaultCommands(cmd);
+            switch (cmd != null ? cmd : "") {
+                case "run":
+                    return runJob(pw);
+                case "monitor-battery":
+                    return runMonitorBattery(pw);
+                case "get-battery-seq":
+                    return runGetBatterySeq(pw);
+                case "get-battery-charging":
+                    return runGetBatteryCharging(pw);
+                case "get-battery-not-low":
+                    return runGetBatteryNotLow(pw);
+                default:
+                    return handleDefaultCommands(cmd);
             }
         } catch (Exception e) {
             pw.println("Exception: " + e);
@@ -54,20 +63,23 @@
         return -1;
     }
 
-    private int runJob() {
-        try {
-            final int uid = Binder.getCallingUid();
-            final int perm = mPM.checkUidPermission(
-                    "android.permission.CHANGE_APP_IDLE_STATE", uid);
-            if (perm != PackageManager.PERMISSION_GRANTED) {
-                throw new SecurityException("Uid " + uid
-                        + " not permitted to force scheduled jobs");
-            }
-        } catch (RemoteException e) {
-            // Can't happen
+    private void checkPermission(String operation) throws Exception {
+        final int uid = Binder.getCallingUid();
+        if (uid == 0) {
+            // Root can do anything.
+            return;
         }
+        final int perm = mPM.checkUidPermission(
+                "android.permission.CHANGE_APP_IDLE_STATE", uid);
+        if (perm != PackageManager.PERMISSION_GRANTED) {
+            throw new SecurityException("Uid " + uid
+                    + " not permitted to " + operation);
+        }
+    }
 
-        final PrintWriter pw = getOutPrintWriter();
+    private int runJob(PrintWriter pw) throws Exception {
+        checkPermission("force scheduled jobs");
+
         boolean force = false;
         int userId = UserHandle.USER_SYSTEM;
 
@@ -133,6 +145,42 @@
         return ret;
     }
 
+    private int runMonitorBattery(PrintWriter pw) throws Exception {
+        checkPermission("change battery monitoring");
+        String opt = getNextArgRequired();
+        boolean enabled;
+        if ("on".equals(opt)) {
+            enabled = true;
+        } else if ("off".equals(opt)) {
+            enabled = false;
+        } else {
+            getErrPrintWriter().println("Error: unknown option " + opt);
+            return 1;
+        }
+        mInternal.setMonitorBattery(enabled);
+        if (enabled) pw.println("Battery monitoring enabled");
+        else pw.println("Battery monitoring disabled");
+        return 0;
+    }
+
+    private int runGetBatterySeq(PrintWriter pw) {
+        int seq = mInternal.getBatterySeq();
+        pw.println(seq);
+        return 0;
+    }
+
+    private int runGetBatteryCharging(PrintWriter pw) {
+        boolean val = mInternal.getBatteryCharging();
+        pw.println(val);
+        return 0;
+    }
+
+    private int runGetBatteryNotLow(PrintWriter pw) {
+        boolean val = mInternal.getBatteryNotLow();
+        pw.println(val);
+        return 0;
+    }
+
     @Override
     public void onHelp() {
         final PrintWriter pw = getOutPrintWriter();
@@ -140,7 +188,6 @@
         pw.println("Job scheduler (jobscheduler) commands:");
         pw.println("  help");
         pw.println("    Print this help text.");
-        pw.println();
         pw.println("  run [-f | --force] [-u | --user USER_ID] PACKAGE JOB_ID");
         pw.println("    Trigger immediate execution of a specific scheduled job.");
         pw.println("    Options:");
@@ -148,6 +195,15 @@
         pw.println("         connectivity are not currently met");
         pw.println("      -u or --user: specify which user's job is to be run; the default is");
         pw.println("         the primary or system user");
+        pw.println("  monitor-battery [on|off]");
+        pw.println("    Control monitoring of all battery changes.  Off by default.  Turning");
+        pw.println("    on makes get-battery-seq useful.");
+        pw.println("  get-battery-seq");
+        pw.println("    Return the last battery update sequence number that was received.");
+        pw.println("  get-battery-charging");
+        pw.println("    Return whether the battery is currently considered to be charging.");
+        pw.println("  get-battery-not-low");
+        pw.println("    Return whether the battery is currently considered to not be low.");
         pw.println();
     }
 
diff --git a/services/core/java/com/android/server/job/JobStore.java b/services/core/java/com/android/server/job/JobStore.java
index dd3f85f..ccfc287 100644
--- a/services/core/java/com/android/server/job/JobStore.java
+++ b/services/core/java/com/android/server/job/JobStore.java
@@ -381,6 +381,9 @@
             if (jobStatus.hasChargingConstraint()) {
                 out.attribute(null, "charging", Boolean.toString(true));
             }
+            if (jobStatus.hasBatteryNotLowConstraint()) {
+                out.attribute(null, "battery-not-low", Boolean.toString(true));
+            }
             out.endTag(null, XML_TAG_PARAMS_CONSTRAINTS);
         }
 
diff --git a/services/core/java/com/android/server/job/controllers/BatteryController.java b/services/core/java/com/android/server/job/controllers/BatteryController.java
index f6b8ef4..05527be 100644
--- a/services/core/java/com/android/server/job/controllers/BatteryController.java
+++ b/services/core/java/com/android/server/job/controllers/BatteryController.java
@@ -80,32 +80,38 @@
 
     @Override
     public void maybeStartTrackingJobLocked(JobStatus taskStatus, JobStatus lastJob) {
-        final boolean isOnStablePower = mChargeTracker.isOnStablePower();
-        if (taskStatus.hasChargingConstraint()) {
+        if (taskStatus.hasPowerConstraint()) {
             mTrackedTasks.add(taskStatus);
-            taskStatus.setChargingConstraintSatisfied(isOnStablePower);
+            taskStatus.setChargingConstraintSatisfied(mChargeTracker.isOnStablePower());
+            taskStatus.setBatteryNotLowConstraintSatisfied(mChargeTracker.isBatteryNotLow());
         }
     }
 
     @Override
     public void maybeStopTrackingJobLocked(JobStatus taskStatus, JobStatus incomingJob, boolean forUpdate) {
-        if (taskStatus.hasChargingConstraint()) {
+        if (taskStatus.hasPowerConstraint()) {
             mTrackedTasks.remove(taskStatus);
         }
     }
 
     private void maybeReportNewChargingState() {
         final boolean stablePower = mChargeTracker.isOnStablePower();
+        final boolean batteryNotLow = mChargeTracker.isBatteryNotLow();
         if (DEBUG) {
             Slog.d(TAG, "maybeReportNewChargingState: " + stablePower);
         }
         boolean reportChange = false;
         synchronized (mLock) {
-            for (JobStatus ts : mTrackedTasks) {
+            for (int i = mTrackedTasks.size() - 1; i >= 0; i--) {
+                final JobStatus ts = mTrackedTasks.get(i);
                 boolean previous = ts.setChargingConstraintSatisfied(stablePower);
                 if (previous != stablePower) {
                     reportChange = true;
                 }
+                previous = ts.setBatteryNotLowConstraintSatisfied(batteryNotLow);
+                if (previous != batteryNotLow) {
+                    reportChange = true;
+                }
             }
         }
         // Let the scheduler know that state has changed. This may or may not result in an
@@ -127,6 +133,10 @@
         private boolean mCharging;
         /** Keep track of whether the battery is charged enough that we want to do work. */
         private boolean mBatteryHealthy;
+        /** Sequence number of last broadcast. */
+        private int mLastBatterySeq = -1;
+
+        private BroadcastReceiver mMonitor;
 
         public ChargingTracker() {
         }
@@ -149,10 +159,42 @@
             mCharging = batteryManagerInternal.isPowered(BatteryManager.BATTERY_PLUGGED_ANY);
         }
 
-        boolean isOnStablePower() {
+        public void setMonitorBatteryLocked(boolean enabled) {
+            if (enabled) {
+                if (mMonitor == null) {
+                    mMonitor = new BroadcastReceiver() {
+                        @Override public void onReceive(Context context, Intent intent) {
+                            ChargingTracker.this.onReceive(context, intent);
+                        }
+                    };
+                    IntentFilter filter = new IntentFilter();
+                    filter.addAction(Intent.ACTION_BATTERY_CHANGED);
+                    mContext.registerReceiver(mMonitor, filter);
+                }
+            } else {
+                if (mMonitor != null) {
+                    mContext.unregisterReceiver(mMonitor);
+                    mMonitor = null;
+                }
+            }
+        }
+
+        public boolean isOnStablePower() {
             return mCharging && mBatteryHealthy;
         }
 
+        public boolean isBatteryNotLow() {
+            return mBatteryHealthy;
+        }
+
+        public boolean isMonitoring() {
+            return mMonitor != null;
+        }
+
+        public int getSeq() {
+            return mLastBatterySeq;
+        }
+
         @Override
         public void onReceive(Context context, Intent intent) {
             onReceiveInternal(intent);
@@ -191,13 +233,20 @@
                 mCharging = false;
                 maybeReportNewChargingState();
             }
+            mLastBatterySeq = intent.getIntExtra(BatteryManager.EXTRA_SEQUENCE, mLastBatterySeq);
         }
     }
 
     @Override
     public void dumpControllerStateLocked(PrintWriter pw, int filterUid) {
         pw.print("Battery: stable power = ");
-        pw.println(mChargeTracker.isOnStablePower());
+        pw.print(mChargeTracker.isOnStablePower());
+        pw.print(", not low = ");
+        pw.println(mChargeTracker.isBatteryNotLow());
+        if (mChargeTracker.isMonitoring()) {
+            pw.print("MONITORING: seq=");
+            pw.println(mChargeTracker.getSeq());
+        }
         pw.print("Tracking ");
         pw.print(mTrackedTasks.size());
         pw.println(":");
diff --git a/services/core/java/com/android/server/job/controllers/JobStatus.java b/services/core/java/com/android/server/job/controllers/JobStatus.java
index 4b39bf9..9a55fed 100644
--- a/services/core/java/com/android/server/job/controllers/JobStatus.java
+++ b/services/core/java/com/android/server/job/controllers/JobStatus.java
@@ -46,16 +46,17 @@
     public static final long NO_LATEST_RUNTIME = Long.MAX_VALUE;
     public static final long NO_EARLIEST_RUNTIME = 0L;
 
-    static final int CONSTRAINT_CHARGING = 1<<0;
-    static final int CONSTRAINT_TIMING_DELAY = 1<<1;
-    static final int CONSTRAINT_DEADLINE = 1<<2;
-    static final int CONSTRAINT_IDLE = 1<<3;
-    static final int CONSTRAINT_UNMETERED = 1<<4;
-    static final int CONSTRAINT_CONNECTIVITY = 1<<5;
-    static final int CONSTRAINT_APP_NOT_IDLE = 1<<6;
-    static final int CONSTRAINT_CONTENT_TRIGGER = 1<<7;
-    static final int CONSTRAINT_DEVICE_NOT_DOZING = 1<<8;
-    static final int CONSTRAINT_NOT_ROAMING = 1<<9;
+    static final int CONSTRAINT_CHARGING = JobInfo.CONSTRAINT_FLAG_CHARGING;
+    static final int CONSTRAINT_IDLE = JobInfo.CONSTRAINT_FLAG_DEVICE_IDLE;
+    static final int CONSTRAINT_BATTERY_NOT_LOW = JobInfo.CONSTRAINT_FLAG_BATTERY_NOT_LOW;
+    static final int CONSTRAINT_TIMING_DELAY = 1<<31;
+    static final int CONSTRAINT_DEADLINE = 1<<30;
+    static final int CONSTRAINT_UNMETERED = 1<<29;
+    static final int CONSTRAINT_CONNECTIVITY = 1<<28;
+    static final int CONSTRAINT_APP_NOT_IDLE = 1<<27;
+    static final int CONSTRAINT_CONTENT_TRIGGER = 1<<26;
+    static final int CONSTRAINT_DEVICE_NOT_DOZING = 1<<25;
+    static final int CONSTRAINT_NOT_ROAMING = 1<<24;
 
     // Soft override: ignore constraints like time that don't affect API availability
     public static final int OVERRIDE_SOFT = 1;
@@ -163,7 +164,7 @@
         this.latestRunTimeElapsedMillis = latestRunTimeElapsedMillis;
         this.numFailures = numFailures;
 
-        int requiredConstraints = 0;
+        int requiredConstraints = job.getConstraintFlags();
         if (job.getNetworkType() == JobInfo.NETWORK_TYPE_ANY) {
             requiredConstraints |= CONSTRAINT_CONNECTIVITY;
         }
@@ -173,18 +174,12 @@
         if (job.getNetworkType() == JobInfo.NETWORK_TYPE_NOT_ROAMING) {
             requiredConstraints |= CONSTRAINT_NOT_ROAMING;
         }
-        if (job.isRequireCharging()) {
-            requiredConstraints |= CONSTRAINT_CHARGING;
-        }
         if (earliestRunTimeElapsedMillis != NO_EARLIEST_RUNTIME) {
             requiredConstraints |= CONSTRAINT_TIMING_DELAY;
         }
         if (latestRunTimeElapsedMillis != NO_LATEST_RUNTIME) {
             requiredConstraints |= CONSTRAINT_DEADLINE;
         }
-        if (job.isRequireDeviceIdle()) {
-            requiredConstraints |= CONSTRAINT_IDLE;
-        }
         if (job.getTriggerContentUris() != null) {
             requiredConstraints |= CONSTRAINT_CONTENT_TRIGGER;
         }
@@ -331,6 +326,14 @@
         return (requiredConstraints&CONSTRAINT_CHARGING) != 0;
     }
 
+    public boolean hasBatteryNotLowConstraint() {
+        return (requiredConstraints&CONSTRAINT_BATTERY_NOT_LOW) != 0;
+    }
+
+    public boolean hasPowerConstraint() {
+        return (requiredConstraints&(CONSTRAINT_CHARGING|CONSTRAINT_BATTERY_NOT_LOW)) != 0;
+    }
+
     public boolean hasTimingDelayConstraint() {
         return (requiredConstraints&CONSTRAINT_TIMING_DELAY) != 0;
     }
@@ -379,6 +382,10 @@
         return setConstraintSatisfied(CONSTRAINT_CHARGING, state);
     }
 
+    boolean setBatteryNotLowConstraintSatisfied(boolean state) {
+        return setConstraintSatisfied(CONSTRAINT_BATTERY_NOT_LOW, state);
+    }
+
     boolean setTimingDelayConstraintSatisfied(boolean state) {
         return setConstraintSatisfied(CONSTRAINT_TIMING_DELAY, state);
     }
@@ -453,13 +460,14 @@
     }
 
     static final int CONSTRAINTS_OF_INTEREST =
-            CONSTRAINT_CHARGING | CONSTRAINT_TIMING_DELAY |
+            CONSTRAINT_CHARGING | CONSTRAINT_BATTERY_NOT_LOW | CONSTRAINT_TIMING_DELAY |
             CONSTRAINT_CONNECTIVITY | CONSTRAINT_UNMETERED | CONSTRAINT_NOT_ROAMING |
             CONSTRAINT_IDLE | CONSTRAINT_CONTENT_TRIGGER;
 
     // Soft override covers all non-"functional" constraints
     static final int SOFT_OVERRIDE_CONSTRAINTS =
-            CONSTRAINT_CHARGING | CONSTRAINT_TIMING_DELAY | CONSTRAINT_IDLE;
+            CONSTRAINT_CHARGING | CONSTRAINT_BATTERY_NOT_LOW
+                    | CONSTRAINT_TIMING_DELAY | CONSTRAINT_IDLE;
 
     /**
      * @return Whether the constraints set on this job are satisfied.
@@ -495,6 +503,7 @@
                 + ",R=(" + formatRunTime(earliestRunTimeElapsedMillis, NO_EARLIEST_RUNTIME)
                 + "," + formatRunTime(latestRunTimeElapsedMillis, NO_LATEST_RUNTIME) + ")"
                 + ",N=" + job.getNetworkType() + ",C=" + job.isRequireCharging()
+                + ",BL=" + job.isRequireBatteryNotLow()
                 + ",I=" + job.isRequireDeviceIdle()
                 + ",U=" + (job.getTriggerContentUris() != null)
                 + ",F=" + numFailures + ",P=" + job.isPersisted()
@@ -550,6 +559,9 @@
         if ((constraints&CONSTRAINT_CHARGING) != 0) {
             pw.print(" CHARGING");
         }
+        if ((constraints& CONSTRAINT_BATTERY_NOT_LOW) != 0) {
+            pw.print(" BATTERY_NOT_LOW");
+        }
         if ((constraints&CONSTRAINT_TIMING_DELAY) != 0) {
             pw.print(" TIMING_DELAY");
         }
@@ -607,7 +619,8 @@
                 pw.println(Integer.toHexString(job.getFlags()));
             }
             pw.print(prefix); pw.print("  Requires: charging=");
-            pw.print(job.isRequireCharging()); pw.print(" deviceIdle=");
+            pw.print(job.isRequireCharging()); pw.print(" batteryNotLow=");
+            pw.print(job.isRequireBatteryNotLow()); pw.print(" deviceIdle=");
             pw.println(job.isRequireDeviceIdle());
             if (job.getTriggerContentUris() != null) {
                 pw.print(prefix); pw.println("  Trigger content URIs:");
diff --git a/services/core/java/com/android/server/media/MediaSessionService.java b/services/core/java/com/android/server/media/MediaSessionService.java
index 36f3287..dfa2f86 100644
--- a/services/core/java/com/android/server/media/MediaSessionService.java
+++ b/services/core/java/com/android/server/media/MediaSessionService.java
@@ -801,16 +801,17 @@
                             + "setup is in progress.");
                     return;
                 }
-                if (isGlobalPriorityActive() && uid != Process.SYSTEM_UID) {
-                    // Prevent dispatching key event through reflection while the global priority
-                    // session is active.
-                    Slog.i(TAG, "Only the system can dispatch media key event "
-                            + "to the global priority session.");
-                    return;
-                }
 
                 synchronized (mLock) {
-                    if (!isGlobalPriorityActive() && isVoiceKey(keyEvent.getKeyCode())) {
+                    boolean isGlobalPriorityActive = mPriorityStack.isGlobalPriorityActive();
+                    if (isGlobalPriorityActive && uid != Process.SYSTEM_UID) {
+                        // Prevent dispatching key event through reflection while the global
+                        // priority session is active.
+                        Slog.i(TAG, "Only the system can dispatch media key event "
+                                + "to the global priority session.");
+                        return;
+                    }
+                    if (!isGlobalPriorityActive && isVoiceKey(keyEvent.getKeyCode())) {
                         handleVoiceKeyEventLocked(keyEvent, needWakeLock);
                     } else {
                         dispatchMediaKeyEventLocked(keyEvent, needWakeLock, true);
@@ -1080,7 +1081,9 @@
 
         @Override
         public boolean isGlobalPriorityActive() {
-            return mPriorityStack.isGlobalPriorityActive();
+            synchronized (mLock) {
+                return mPriorityStack.isGlobalPriorityActive();
+            }
         }
 
         @Override
diff --git a/services/core/java/com/android/server/pm/LauncherAppsService.java b/services/core/java/com/android/server/pm/LauncherAppsService.java
index c11131a..71bfa64 100644
--- a/services/core/java/com/android/server/pm/LauncherAppsService.java
+++ b/services/core/java/com/android/server/pm/LauncherAppsService.java
@@ -442,8 +442,8 @@
 
         @Override
         public ParceledListSlice getShortcuts(String callingPackage, long changedSince,
-                String packageName, List shortcutIds, ComponentName componentName, int flags,
-                UserHandle targetUser) {
+                String packageName, List shortcutIds, ComponentName componentName, Intent intent,
+                int flags, UserHandle targetUser) {
             ensureShortcutPermission(callingPackage);
             if (!canAccessProfile(callingPackage, targetUser, "Cannot get shortcuts")
                     || !isUserEnabled(targetUser)) {
@@ -454,11 +454,17 @@
                         "To query by shortcut ID, package name must also be set");
             }
 
+            if ((flags & ShortcutQuery.FLAG_MATCH_CHOOSER) == 0
+                    && intent != null) {
+                throw new IllegalArgumentException("Supplied an intent in the query, but did "
+                        + "not request chooser targets");
+            }
+
             // TODO(b/29399275): Eclipse compiler requires explicit List<ShortcutInfo> cast below.
             return new ParceledListSlice<>((List<ShortcutInfo>)
                     mShortcutServiceInternal.getShortcuts(getCallingUserId(),
                             callingPackage, changedSince, packageName, shortcutIds,
-                            componentName, flags, targetUser.getIdentifier()));
+                            componentName, intent, flags, targetUser.getIdentifier()));
         }
 
         @Override
@@ -906,6 +912,7 @@
                                         cookie.packageName,
                                         /* changedSince= */ 0, packageName, /* shortcutIds=*/ null,
                                         /* component= */ null,
+                                        /* intent= */ null,
                                         ShortcutQuery.FLAG_GET_KEY_FIELDS_ONLY
                                         | ShortcutQuery.FLAG_GET_ALL_KINDS
                                         , userId);
diff --git a/services/core/java/com/android/server/pm/PackageManagerService.java b/services/core/java/com/android/server/pm/PackageManagerService.java
index 6157f57..116c0a3 100644
--- a/services/core/java/com/android/server/pm/PackageManagerService.java
+++ b/services/core/java/com/android/server/pm/PackageManagerService.java
@@ -5684,6 +5684,11 @@
                 false, false, false, userId);
     }
 
+    /**
+     * Returns whether or not instant apps have been disabled remotely.
+     * <p><em>IMPORTANT</em> This should not be called with the package manager lock
+     * held. Otherwise we run the risk of deadlock.
+     */
     private boolean isEphemeralDisabled() {
         // ephemeral apps have been disabled across the board
         if (DISABLE_EPHEMERAL_APPS) {
@@ -5704,10 +5709,6 @@
     private boolean isEphemeralAllowed(
             Intent intent, List<ResolveInfo> resolvedActivities, int userId,
             boolean skipPackageCheck) {
-        // Short circuit and return early if possible.
-        if (isEphemeralDisabled()) {
-            return false;
-        }
         final int callingUser = UserHandle.getCallingUserId();
         if (callingUser != UserHandle.USER_SYSTEM) {
             return false;
@@ -6211,6 +6212,7 @@
         boolean addEphemeral = false;
         List<ResolveInfo> result;
         final String pkgName = intent.getPackage();
+        final boolean ephemeralDisabled = isEphemeralDisabled();
         synchronized (mPackages) {
             if (pkgName == null) {
                 List<CrossProfileIntentFilter> matchingFilters =
@@ -6228,8 +6230,8 @@
                 // Check for results in the current profile.
                 result = filterIfNotSystemUser(mActivities.queryIntent(
                         intent, resolvedType, flags, userId), userId);
-                addEphemeral =
-                        isEphemeralAllowed(intent, result, userId, false /*skipPackageCheck*/);
+                addEphemeral = !ephemeralDisabled
+                        && isEphemeralAllowed(intent, result, userId, false /*skipPackageCheck*/);
 
                 // Check for cross profile results.
                 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result);
@@ -6286,8 +6288,9 @@
                 } else {
                     // the caller wants to resolve for a particular package; however, there
                     // were no installed results, so, try to find an ephemeral result
-                    addEphemeral = isEphemeralAllowed(
-                            intent, null /*result*/, userId, true /*skipPackageCheck*/);
+                    addEphemeral =  !ephemeralDisabled
+                            && isEphemeralAllowed(
+                                    intent, null /*result*/, userId, true /*skipPackageCheck*/);
                     result = new ArrayList<ResolveInfo>();
                 }
             }
@@ -7469,7 +7472,7 @@
 
     @Override
     public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName,
-            int uid, int flags) {
+            int uid, int flags, String metaDataKey) {
         final int userId = processName != null ? UserHandle.getUserId(uid)
                 : UserHandle.getCallingUserId();
         if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList();
@@ -7487,6 +7490,14 @@
                                 || (p.info.processName.equals(processName)
                                         && UserHandle.isSameApp(p.info.applicationInfo.uid, uid)))
                         && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) {
+
+                    // See PM.queryContentProviders()'s javadoc for why we have the metaData
+                    // parameter.
+                    if (metaDataKey != null
+                            && (p.metaData == null || !p.metaData.containsKey(metaDataKey))) {
+                        continue;
+                    }
+
                     if (finalList == null) {
                         finalList = new ArrayList<ProviderInfo>(3);
                     }
@@ -11700,7 +11711,8 @@
             if (!whitelisted) {
                 Slog.w(TAG, "Privileged permission " + perm + " for package "
                         + pkg.packageName + " - not in privapp-permissions whitelist");
-                if (!mSystemReady) {
+                // Only report violations for apps on system image
+                if (!mSystemReady && !pkg.isUpdatedSystemApp()) {
                     if (mPrivappPermissionsViolations == null) {
                         mPrivappPermissionsViolations = new ArraySet<>();
                     }
@@ -18710,7 +18722,7 @@
         Slog.w(TAG, "Shame on you for calling a hidden API. Shame!");
         try {
             observer.onGetStatsCompleted(null, false);
-        } catch (RemoteException ignored) {
+        } catch (Throwable ignored) {
         }
     }
 
diff --git a/services/core/java/com/android/server/pm/ShortcutPackage.java b/services/core/java/com/android/server/pm/ShortcutPackage.java
index 570259b..ac98ab9 100644
--- a/services/core/java/com/android/server/pm/ShortcutPackage.java
+++ b/services/core/java/com/android/server/pm/ShortcutPackage.java
@@ -20,6 +20,7 @@
 import android.annotation.UserIdInt;
 import android.content.ComponentName;
 import android.content.Intent;
+import android.content.IntentFilter;
 import android.content.pm.PackageInfo;
 import android.content.pm.ShortcutInfo;
 import android.content.res.Resources;
@@ -31,6 +32,7 @@
 import android.util.Slog;
 
 import com.android.internal.annotations.VisibleForTesting;
+import com.android.internal.util.ArrayUtils;
 import com.android.internal.util.Preconditions;
 import com.android.internal.util.XmlUtils;
 import com.android.server.pm.ShortcutService.ShortcutOperation;
@@ -68,6 +70,9 @@
     private static final String TAG_EXTRAS = "extras";
     private static final String TAG_SHORTCUT = "shortcut";
     private static final String TAG_CATEGORIES = "categories";
+    private static final String TAG_CHOOSER_EXTRAS = "chooser-extras";
+    private static final String TAG_CHOOSER_INTENT_FILTERS = "chooser-intent-filters";
+    private static final String TAG_CHOOSER_COMPONENT_NAMES = "chooser-component-names";
 
     private static final String ATTR_NAME = "name";
     private static final String ATTR_CALL_COUNT = "call-count";
@@ -91,6 +96,7 @@
     private static final String ATTR_ICON_RES_ID = "icon-res";
     private static final String ATTR_ICON_RES_NAME = "icon-resname";
     private static final String ATTR_BITMAP_PATH = "bitmap-path";
+    private static final String ATTR_COMPONENT_NAMES = "component-names";
 
     private static final String NAME_CATEGORIES = "categories";
 
@@ -200,7 +206,7 @@
         if (shortcut != null) {
             mShortcutUser.mService.removeIcon(getPackageUserId(), shortcut);
             shortcut.clearFlags(ShortcutInfo.FLAG_DYNAMIC | ShortcutInfo.FLAG_PINNED
-                    | ShortcutInfo.FLAG_MANIFEST);
+                    | ShortcutInfo.FLAG_MANIFEST | ShortcutInfo.FLAG_CHOOSER);
         }
         return shortcut;
     }
@@ -226,7 +232,7 @@
         Preconditions.checkArgument(newShortcut.isEnabled(),
                 "add/setDynamicShortcuts() cannot publish disabled shortcuts");
 
-        newShortcut.addFlags(ShortcutInfo.FLAG_DYNAMIC);
+        addCorrectDynamicFlags(newShortcut);
 
         final ShortcutInfo oldShortcut = mShortcuts.get(newShortcut.getId());
 
@@ -250,6 +256,17 @@
         addShortcutInner(newShortcut);
     }
 
+    // TODO: Sample code & JavaDoc for ShortcutManager needs updating to reflect the fact that
+    //       Chooser shortcuts are not always dynamic.
+    public void addCorrectDynamicFlags(@NonNull ShortcutInfo shortcut) {
+        if (shortcut.getIntent() != null) {
+            shortcut.addFlags(ShortcutInfo.FLAG_DYNAMIC);
+        }
+        if (!ArrayUtils.isEmpty(shortcut.getChooserIntentFilters())) {
+            shortcut.addFlags(ShortcutInfo.FLAG_CHOOSER);
+        }
+    }
+
     /**
      * Remove all shortcuts that aren't pinned nor dynamic.
      */
@@ -282,11 +299,11 @@
         boolean changed = false;
         for (int i = mShortcuts.size() - 1; i >= 0; i--) {
             final ShortcutInfo si = mShortcuts.valueAt(i);
-            if (si.isDynamic()) {
+            if (si.isDynamic() || si.isChooser()) {
                 changed = true;
 
                 si.setTimestamp(now);
-                si.clearFlags(ShortcutInfo.FLAG_DYNAMIC);
+                si.clearFlags(ShortcutInfo.FLAG_DYNAMIC | ShortcutInfo.FLAG_CHOOSER);
                 si.setRank(0); // It may still be pinned, so clear the rank.
             }
         }
@@ -355,7 +372,8 @@
         if (oldShortcut.isPinned()) {
 
             oldShortcut.setRank(0);
-            oldShortcut.clearFlags(ShortcutInfo.FLAG_DYNAMIC | ShortcutInfo.FLAG_MANIFEST);
+            oldShortcut.clearFlags(ShortcutInfo.FLAG_DYNAMIC | ShortcutInfo.FLAG_MANIFEST
+                    | ShortcutInfo.FLAG_CHOOSER);
             if (disable) {
                 oldShortcut.addFlags(ShortcutInfo.FLAG_DISABLED);
             }
@@ -1116,8 +1134,8 @@
                     // Don't adjust ranks for manifest shortcuts.
                     continue;
                 }
-                // At this point, it must be dynamic.
-                if (!si.isDynamic()) {
+                // At this point, it must be dynamic or a chooser.
+                if (!si.isDynamicOrChooser()) {
                     s.wtf("Non-dynamic shortcut found.");
                     continue;
                 }
@@ -1294,7 +1312,7 @@
             ShortcutService.writeAttr(out, ATTR_FLAGS,
                     si.getFlags() &
                             ~(ShortcutInfo.FLAG_HAS_ICON_FILE | ShortcutInfo.FLAG_HAS_ICON_RES
-                            | ShortcutInfo.FLAG_DYNAMIC));
+                            | ShortcutInfo.FLAG_DYNAMIC | ShortcutInfo.FLAG_CHOOSER));
         } else {
             // When writing for backup, ranks shouldn't be saved, since shortcuts won't be restored
             // as dynamic.
@@ -1317,15 +1335,36 @@
         }
         final Intent[] intentsNoExtras = si.getIntentsNoExtras();
         final PersistableBundle[] intentsExtras = si.getIntentPersistableExtrases();
-        final int numIntents = intentsNoExtras.length;
-        for (int i = 0; i < numIntents; i++) {
-            out.startTag(null, TAG_INTENT);
-            ShortcutService.writeAttr(out, ATTR_INTENT_NO_EXTRA, intentsNoExtras[i]);
-            ShortcutService.writeTagExtra(out, TAG_EXTRAS, intentsExtras[i]);
-            out.endTag(null, TAG_INTENT);
+        if (intentsNoExtras != null) {
+            final int numIntents = intentsNoExtras.length;
+            for (int i = 0; i < numIntents; i++) {
+                out.startTag(null, TAG_INTENT);
+                ShortcutService.writeAttr(out, ATTR_INTENT_NO_EXTRA, intentsNoExtras[i]);
+                ShortcutService.writeTagExtra(out, TAG_EXTRAS, intentsExtras[i]);
+                out.endTag(null, TAG_INTENT);
+            }
+        }
+        ShortcutService.writeTagExtra(out, TAG_EXTRAS, si.getExtras());
+
+        ShortcutService.writeTagExtra(out, TAG_CHOOSER_EXTRAS, si.getChooserExtras());
+
+        final IntentFilter[] intentFilters = si.getChooserIntentFilters();
+        if (intentFilters != null) {
+            for (int i = 0; i < intentFilters.length; i++) {
+                out.startTag(null, TAG_CHOOSER_INTENT_FILTERS);
+                intentFilters[i].writeToXml(out);
+                out.endTag(null, TAG_CHOOSER_INTENT_FILTERS);
+            }
         }
 
-        ShortcutService.writeTagExtra(out, TAG_EXTRAS, si.getExtras());
+        final ComponentName[] componentNames = si.getChooserComponentNames();
+        if (componentNames != null) {
+            for (int i = 0; i < componentNames.length; i++) {
+                out.startTag(null, TAG_CHOOSER_COMPONENT_NAMES);
+                ShortcutService.writeAttr(out, ATTR_COMPONENT_NAMES, componentNames[i]);
+                out.endTag(null, TAG_CHOOSER_COMPONENT_NAMES);
+            }
+        }
 
         out.endTag(null, TAG_SHORTCUT);
     }
@@ -1398,6 +1437,9 @@
         String iconResName;
         String bitmapPath;
         ArraySet<String> categories = null;
+        PersistableBundle chooserExtras;
+        List<IntentFilter> chooserIntentFilters = new ArrayList<>();
+        List<ComponentName> chooserComponentNames = new ArrayList<>();
 
         id = ShortcutService.parseStringAttribute(parser, ATTR_ID);
         activityComponent = ShortcutService.parseComponentNameAttribute(parser,
@@ -1458,6 +1500,18 @@
                         }
                     }
                     continue;
+                case TAG_CHOOSER_EXTRAS:
+                    chooserExtras = PersistableBundle.restoreFromXml(parser);
+                    continue;
+                case TAG_CHOOSER_COMPONENT_NAMES:
+                    chooserComponentNames.add(ShortcutService.parseComponentNameAttribute(parser,
+                            ATTR_ACTIVITY));
+                    continue;
+                case TAG_CHOOSER_INTENT_FILTERS:
+                    IntentFilter toAdd = new IntentFilter();
+                    toAdd.readFromXml(parser);
+                    chooserIntentFilters.add(toAdd);
+                    continue;
             }
             throw ShortcutService.throwForInvalidTag(depth, tag);
         }
@@ -1551,10 +1605,10 @@
         // Verify each shortcut's status.
         for (int i = mShortcuts.size() - 1; i >= 0; i--) {
             final ShortcutInfo si = mShortcuts.valueAt(i);
-            if (!(si.isDeclaredInManifest() || si.isDynamic() || si.isPinned())) {
+            if (!(si.isDeclaredInManifest() || si.isDynamicOrChooser() || si.isPinned())) {
                 failed = true;
                 Log.e(TAG_VERIFY, "Package " + getPackageName() + ": shortcut " + si.getId()
-                        + " is not manifest, dynamic or pinned.");
+                        + " is not manifest, dynamic, chooser or pinned.");
             }
             if (si.isDeclaredInManifest() && si.isDynamic()) {
                 failed = true;
@@ -1596,6 +1650,11 @@
                 Log.e(TAG_VERIFY, "Package " + getPackageName() + ": shortcut " + si.getId()
                         + " has a dummy target activity");
             }
+            if (si.getIntent() == null && !si.isChooser()) {
+                failed = true;
+                Log.e(TAG_VERIFY, "Package " + getPackageName() + ": shortcut " + si.getId()
+                        + " has a null intent, but is not a chooser");
+            }
         }
 
         if (failed) {
diff --git a/services/core/java/com/android/server/pm/ShortcutRequestPinProcessor.java b/services/core/java/com/android/server/pm/ShortcutRequestPinProcessor.java
index 6eac5e3..b0689b8 100644
--- a/services/core/java/com/android/server/pm/ShortcutRequestPinProcessor.java
+++ b/services/core/java/com/android/server/pm/ShortcutRequestPinProcessor.java
@@ -48,7 +48,7 @@
     /**
      * Internal for {@link android.content.pm.LauncherApps.PinItemRequest} which receives callbacks.
      */
-    private static class PinItemRequestInner extends IPinItemRequest.Stub {
+    private abstract static class PinItemRequestInner extends IPinItemRequest.Stub {
         protected final ShortcutRequestPinProcessor mProcessor;
         private final IntentSender mResultIntent;
         private final int mLauncherUid;
@@ -63,6 +63,14 @@
             mLauncherUid = launcherUid;
         }
 
+        public ShortcutInfo getShortcutInfo() {
+            return null;
+        }
+
+        public AppWidgetProviderInfo getAppWidgetProviderInfo() {
+            return null;
+        }
+
         /**
          * Returns true if the caller is same as the default launcher app when this request
          * object was created.
@@ -126,6 +134,26 @@
     /**
      * Internal for {@link android.content.pm.LauncherApps.PinItemRequest} which receives callbacks.
      */
+    private static class PinAppWidgetRequestInner extends PinItemRequestInner {
+        final AppWidgetProviderInfo mAppWidgetProviderInfo;
+
+        private PinAppWidgetRequestInner(ShortcutRequestPinProcessor processor,
+                IntentSender resultIntent, int launcherUid,
+                AppWidgetProviderInfo appWidgetProviderInfo) {
+            super(processor, resultIntent, launcherUid);
+
+            mAppWidgetProviderInfo = appWidgetProviderInfo;
+        }
+
+        @Override
+        public AppWidgetProviderInfo getAppWidgetProviderInfo() {
+            return mAppWidgetProviderInfo;
+        }
+    }
+
+    /**
+     * Internal for {@link android.content.pm.LauncherApps.PinItemRequest} which receives callbacks.
+     */
     private static class PinShortcutRequestInner extends PinItemRequestInner {
         /** Original shortcut passed by the app. */
         public final ShortcutInfo shortcutOriginal;
@@ -153,6 +181,11 @@
         }
 
         @Override
+        public ShortcutInfo getShortcutInfo() {
+            return shortcutForLauncher;
+        }
+
+        @Override
         protected boolean tryAccept() {
             if (DEBUG) {
                 Slog.d(TAG, "Launcher accepted shortcut. ID=" + shortcutOriginal.getId()
@@ -208,8 +241,9 @@
         } else {
             int launcherUid = mService.injectGetPackageUid(
                     confirmActivity.first.getPackageName(), launcherUserId);
-            request = new PinItemRequest(inAppWidget,
-                    new PinItemRequestInner(this, resultIntent, launcherUid));
+            request = new PinItemRequest(
+                    new PinAppWidgetRequestInner(this, resultIntent, launcherUid, inAppWidget),
+                    PinItemRequest.REQUEST_TYPE_APPWIDGET);
         }
         return startRequestConfirmActivity(confirmActivity.first, launcherUserId, request,
                 requestType);
@@ -319,7 +353,7 @@
                         mService.injectGetPackageUid(launcherPackage, launcherUserId),
                         existsAlready);
 
-        return new PinItemRequest(shortcutForLauncher, inner);
+        return new PinItemRequest(inner, PinItemRequest.REQUEST_TYPE_SHORTCUT);
     }
 
     private void validateExistingShortcut(ShortcutInfo shortcutInfo) {
diff --git a/services/core/java/com/android/server/pm/ShortcutService.java b/services/core/java/com/android/server/pm/ShortcutService.java
index 057e781..74eb340 100644
--- a/services/core/java/com/android/server/pm/ShortcutService.java
+++ b/services/core/java/com/android/server/pm/ShortcutService.java
@@ -27,6 +27,7 @@
 import android.appwidget.AppWidgetProviderInfo;
 import android.content.BroadcastReceiver;
 import android.content.ComponentName;
+import android.content.ContentResolver;
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
@@ -64,6 +65,7 @@
 import android.os.Handler;
 import android.os.LocaleList;
 import android.os.Looper;
+import android.os.Parcel;
 import android.os.ParcelFileDescriptor;
 import android.os.PersistableBundle;
 import android.os.Process;
@@ -1750,6 +1752,7 @@
             ps.clearAllImplicitRanks();
             assignImplicitRanks(newShortcuts);
 
+            // TODO: Consider removing Chooser fields. If so, the FLAG_CHOOSER should be removed
             for (int i = 0; i < size; i++) {
                 final ShortcutInfo source = newShortcuts.get(i);
                 fixUpIncomingShortcutInfo(source, /* forUpdate= */ true);
@@ -1789,6 +1792,13 @@
                 if (replacingIcon || source.hasStringResources()) {
                     fixUpShortcutResourceNamesAndValues(target);
                 }
+
+                // While updating, we keep the dynamic flag as it previously was, but refresh the
+                // chooser flag.
+                // TODO: If we support clearing Chooser fields, we should also remove the flag.
+                if (target.getChooserIntentFilters() != null) {
+                    target.addFlags(ShortcutInfo.FLAG_CHOOSER);
+                }
             }
 
             // Lastly, adjust the ranks.
@@ -1852,6 +1862,7 @@
         return true;
     }
 
+    // TODO: Ensure non-launchable shortcuts can not be pinned
     @Override
     public boolean requestPinShortcut(String packageName, ShortcutInfo shortcut,
             IntentSender resultIntent, int userId) {
@@ -2007,7 +2018,7 @@
 
             return getShortcutsWithQueryLocked(
                     packageName, userId, ShortcutInfo.CLONE_REMOVE_FOR_CREATOR,
-                    ShortcutInfo::isDynamic);
+                    ShortcutInfo::isDynamicOrChooser);
         }
     }
 
@@ -2200,6 +2211,14 @@
         synchronized (mLock) {
             throwIfUserLockedL(userId);
 
+            // For the chooser, we just check is the system is calling.
+            // STOPSHIP: We need to implement a new permission here rather than this terrible check.
+            //           The packageName check is to try to distinguish between when an actual
+            //           launcher is making the call, and when it's the system.
+            if (isCallerSystem() && packageName.equals("android")) {
+                return true;
+            }
+
             final ShortcutUser user = getUserShortcutsLocked(userId);
 
             // Always trust the cached component.
@@ -2372,7 +2391,7 @@
         public List<ShortcutInfo> getShortcuts(int launcherUserId,
                 @NonNull String callingPackage, long changedSince,
                 @Nullable String packageName, @Nullable List<String> shortcutIds,
-                @Nullable ComponentName componentName,
+                @Nullable ComponentName componentName, @Nullable Intent intent,
                 int queryFlags, int userId) {
             final ArrayList<ShortcutInfo> ret = new ArrayList<>();
 
@@ -2394,13 +2413,13 @@
                 if (packageName != null) {
                     getShortcutsInnerLocked(launcherUserId,
                             callingPackage, packageName, shortcutIds, changedSince,
-                            componentName, queryFlags, userId, ret, cloneFlag);
+                            componentName, intent, queryFlags, userId, ret, cloneFlag);
                 } else {
                     final List<String> shortcutIdsF = shortcutIds;
                     getUserShortcutsLocked(userId).forAllPackages(p -> {
                         getShortcutsInnerLocked(launcherUserId,
                                 callingPackage, p.getPackageName(), shortcutIdsF, changedSince,
-                                componentName, queryFlags, userId, ret, cloneFlag);
+                                componentName, intent, queryFlags, userId, ret, cloneFlag);
                     });
                 }
             }
@@ -2409,7 +2428,7 @@
 
         private void getShortcutsInnerLocked(int launcherUserId, @NonNull String callingPackage,
                 @Nullable String packageName, @Nullable List<String> shortcutIds, long changedSince,
-                @Nullable ComponentName componentName, int queryFlags,
+                @Nullable ComponentName componentName, Intent intent, int queryFlags,
                 int userId, ArrayList<ShortcutInfo> ret, int cloneFlag) {
             final ArraySet<String> ids = shortcutIds == null ? null
                     : new ArraySet<>(shortcutIds);
@@ -2434,6 +2453,15 @@
                                 return false;
                             }
                         }
+                        if (intent != null
+                                && !si.hasMatchingFilter(mContext.getContentResolver(), intent)) {
+                            return false;
+                        }
+
+                        if (((queryFlags & ShortcutQuery.FLAG_MATCH_CHOOSER) != 0)
+                                && si.isChooser()) {
+                            return true;
+                        }
                         if (((queryFlags & ShortcutQuery.FLAG_GET_DYNAMIC) != 0)
                                 && si.isDynamic()) {
                             return true;
diff --git a/services/core/java/com/android/server/vr/VrManagerService.java b/services/core/java/com/android/server/vr/VrManagerService.java
index d179ea7..3df4d24 100644
--- a/services/core/java/com/android/server/vr/VrManagerService.java
+++ b/services/core/java/com/android/server/vr/VrManagerService.java
@@ -680,10 +680,10 @@
                 }
             }
 
-            mCurrentVrModeComponent = calling;
             if (calling != null && !Objects.equals(calling, mCurrentVrModeComponent)) {
                 sendUpdatedCaller = true;
             }
+            mCurrentVrModeComponent = calling;
 
             if (mCurrentVrModeUser != userId) {
                 mCurrentVrModeUser = userId;
diff --git a/services/core/java/com/android/server/wm/PinnedStackController.java b/services/core/java/com/android/server/wm/PinnedStackController.java
index 5f41187..2a20a70 100644
--- a/services/core/java/com/android/server/wm/PinnedStackController.java
+++ b/services/core/java/com/android/server/wm/PinnedStackController.java
@@ -230,32 +230,37 @@
     }
 
     /**
-     * @param preChangeTargetBounds The final bounds of the stack if it is currently animating
-     * @return the repositioned PIP bounds given it's pre-change bounds, and the new display
-     *         content.
+     * Updates the display info, calculating and returning the new stack and movement bounds in the
+     * new orientation of the device if necessary.
      */
-    Rect onDisplayChanged(Rect preChangeStackBounds, Rect preChangeTargetBounds,
-            DisplayContent displayContent) {
-        final Rect postChangeStackBounds = new Rect(preChangeTargetBounds);
-        final DisplayInfo displayInfo = displayContent.getDisplayInfo();
-        if (!mDisplayInfo.equals(displayInfo)) {
-            // Calculate the snap fraction of the current stack along the old movement bounds, and
-            // then update the stack bounds to the same fraction along the rotated movement bounds.
-            final Rect preChangeMovementBounds = getMovementBounds(preChangeStackBounds);
-            final float snapFraction = mSnapAlgorithm.getSnapFraction(preChangeStackBounds,
-                    preChangeMovementBounds);
-            mDisplayInfo.copyFrom(displayInfo);
-
-            final Rect postChangeMovementBounds = getMovementBounds(preChangeStackBounds,
-                    false /* adjustForIme */);
-            mSnapAlgorithm.applySnapFraction(postChangeStackBounds, postChangeMovementBounds,
-                    snapFraction);
-            if (mIsMinimized) {
-                applyMinimizedOffset(postChangeStackBounds, postChangeMovementBounds);
-            }
-            notifyMovementBoundsChanged(false /* fromImeAdjustment */);
+    void onTaskStackBoundsChanged(Rect targetBounds, Rect outBounds) {
+        final DisplayInfo displayInfo = mDisplayContent.getDisplayInfo();
+        if (mDisplayInfo.equals(displayInfo)) {
+            return;
         }
-        return postChangeStackBounds;
+
+        mTmpRect.set(targetBounds);
+        final Rect postChangeStackBounds = mTmpRect;
+
+        // Calculate the snap fraction of the current stack along the old movement bounds
+        final Rect preChangeMovementBounds = getMovementBounds(postChangeStackBounds);
+        final float snapFraction = mSnapAlgorithm.getSnapFraction(postChangeStackBounds,
+                preChangeMovementBounds);
+        mDisplayInfo.copyFrom(displayInfo);
+
+        // Calculate the stack bounds in the new orientation to the same same fraction along the
+        // rotated movement bounds.
+        final Rect postChangeMovementBounds = getMovementBounds(postChangeStackBounds,
+                false /* adjustForIme */);
+        mSnapAlgorithm.applySnapFraction(postChangeStackBounds, postChangeMovementBounds,
+                snapFraction);
+        if (mIsMinimized) {
+            applyMinimizedOffset(postChangeStackBounds, postChangeMovementBounds);
+        }
+
+        notifyMovementBoundsChanged(false /* fromImeAdjustment */);
+
+        outBounds.set(postChangeStackBounds);
     }
 
     /**
diff --git a/services/core/java/com/android/server/wm/TaskStack.java b/services/core/java/com/android/server/wm/TaskStack.java
index c7532ac..34e99a6 100644
--- a/services/core/java/com/android/server/wm/TaskStack.java
+++ b/services/core/java/com/android/server/wm/TaskStack.java
@@ -262,6 +262,12 @@
 
         if (mDisplayContent != null) {
             mDisplayContent.mDimLayerController.updateDimLayer(this);
+            if (mStackId == PINNED_STACK_ID) {
+                // Update the bounds based on any changes to the display info
+                getAnimatingBounds(mTmpRect2);
+                mDisplayContent.mPinnedStackControllerLocked.onTaskStackBoundsChanged(mTmpRect2,
+                        bounds);
+            }
             mAnimationBackgroundSurface.setBounds(bounds);
         }
 
@@ -391,15 +397,18 @@
             return false;
         }
 
+        if (StackId.tasksAreFloating(mStackId)) {
+            // Update stack bounds again since the display info has changed since updateDisplayInfo,
+            // however, for floating tasks, we don't need to apply the new rotation to the bounds,
+            // we can just update and return them here
+            setBounds(mBounds);
+            mBoundsAfterRotation.set(mBounds);
+            return true;
+        }
+
         mTmpRect2.set(mBounds);
         mDisplayContent.rotateBounds(mRotation, newRotation, mTmpRect2);
         switch (mStackId) {
-            case PINNED_STACK_ID:
-                Rect targetBounds = new Rect();
-                getAnimatingBounds(targetBounds);
-                mTmpRect2 = mDisplayContent.getPinnedStackController().onDisplayChanged(mBounds,
-                        targetBounds, mDisplayContent);
-                break;
             case DOCKED_STACK_ID:
                 repositionDockedStackAfterRotation(mTmpRect2);
                 snapDockedStackAfterRotation(mTmpRect2);
@@ -651,7 +660,6 @@
         mAnimationBackgroundSurface = new DimLayer(mService, this, mDisplayContent.getDisplayId(),
                 "animation background stackId=" + mStackId);
 
-        final Rect oldBounds = new Rect(mBounds);
         Rect bounds = null;
         final TaskStack dockedStack = dc.getDockedStackIgnoringVisibility();
         if (mStackId == DOCKED_STACK_ID
@@ -675,15 +683,6 @@
         }
 
         updateDisplayInfo(bounds);
-
-        // Update the pinned stack controller after the display info is updated
-        if (mStackId == PINNED_STACK_ID) {
-            Rect targetBounds = new Rect();
-            getAnimatingBounds(targetBounds);
-            mDisplayContent.getPinnedStackController().onDisplayChanged(oldBounds, targetBounds,
-                    mDisplayContent);
-        }
-
         super.onDisplayChanged(dc);
     }
 
diff --git a/services/core/java/com/android/server/wm/WindowManagerService.java b/services/core/java/com/android/server/wm/WindowManagerService.java
index 474610b..2f1aab6 100644
--- a/services/core/java/com/android/server/wm/WindowManagerService.java
+++ b/services/core/java/com/android/server/wm/WindowManagerService.java
@@ -5172,7 +5172,7 @@
     // Async Handler
     // -------------------------------------------------------------
 
-    final class H extends Handler {
+    final class H extends android.os.Handler {
         public static final int REPORT_FOCUS_CHANGE = 2;
         public static final int REPORT_LOSING_FOCUS = 3;
         public static final int DO_TRAVERSAL = 4;
diff --git a/services/core/jni/com_android_server_vr_VrManagerService.cpp b/services/core/jni/com_android_server_vr_VrManagerService.cpp
index e06e051..9052697 100644
--- a/services/core/jni/com_android_server_vr_VrManagerService.cpp
+++ b/services/core/jni/com_android_server_vr_VrManagerService.cpp
@@ -38,7 +38,7 @@
         return;
     }
 
-    gVr = IVr::getService("vr");
+    gVr = IVr::getService();
     if (gVr == nullptr) {
         ALOGW("%s: Could not open IVr interface", __FUNCTION__);
         return;
diff --git a/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java b/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java
index 7b6b941..17e6bba 100644
--- a/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java
+++ b/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java
@@ -4851,19 +4851,15 @@
     private void sendPrivateKeyAliasResponse(final String alias, final IBinder responseBinder) {
         final IKeyChainAliasCallback keyChainAliasResponse =
                 IKeyChainAliasCallback.Stub.asInterface(responseBinder);
-        new AsyncTask<Void, Void, Void>() {
-            @Override
-            protected Void doInBackground(Void... unused) {
-                try {
-                    keyChainAliasResponse.alias(alias);
-                } catch (Exception e) {
-                    // Catch everything (not just RemoteException): caller could throw a
-                    // RuntimeException back across processes.
-                    Log.e(LOG_TAG, "error while responding to callback", e);
-                }
-                return null;
-            }
-        }.execute();
+        // Send the response. It's OK to do this from the main thread because IKeyChainAliasCallback
+        // is oneway, which means it won't block if the recipient lives in another process.
+        try {
+            keyChainAliasResponse.alias(alias);
+        } catch (Exception e) {
+            // Caller could throw RuntimeException or RemoteException back across processes. Catch
+            // everything just to be sure.
+            Log.e(LOG_TAG, "error while responding to callback", e);
+        }
     }
 
     /**
diff --git a/services/tests/servicestests/src/com/android/server/NetworkScoreServiceTest.java b/services/tests/servicestests/src/com/android/server/NetworkScoreServiceTest.java
index 665f01f..4141f2f 100644
--- a/services/tests/servicestests/src/com/android/server/NetworkScoreServiceTest.java
+++ b/services/tests/servicestests/src/com/android/server/NetworkScoreServiceTest.java
@@ -56,8 +56,7 @@
 import android.net.INetworkScoreCache;
 import android.net.NetworkKey;
 import android.net.NetworkScoreManager;
-import android.net.NetworkScorerAppManager;
-import android.net.NetworkScorerAppManager.NetworkScorerAppData;
+import android.net.NetworkScorerAppData;
 import android.net.RecommendationRequest;
 import android.net.RecommendationResult;
 import android.net.ScoredNetwork;
@@ -201,10 +200,10 @@
     }
 
     @Test
-    public void testSystemRunning() {
+    public void testOnUserUnlocked() {
         when(mNetworkScorerAppManager.getActiveScorer()).thenReturn(NEW_SCORER);
 
-        mNetworkScoreService.systemRunning();
+        mNetworkScoreService.onUserUnlocked(0);
 
         verify(mContext).bindServiceAsUser(MockUtils.checkIntent(
                 new Intent(NetworkScoreManager.ACTION_RECOMMEND_NETWORKS)
@@ -549,9 +548,9 @@
     }
 
     @Test
-    public void testSetActiveScorer_noScoreNetworksPermission() {
-        doThrow(new SecurityException()).when(mContext)
-                .enforceCallingOrSelfPermission(eq(permission.SCORE_NETWORKS), anyString());
+    public void testSetActiveScorer_noRequestNetworkScoresPermission() {
+        when(mContext.checkCallingOrSelfPermission(permission.REQUEST_NETWORK_SCORES))
+                .thenReturn(PackageManager.PERMISSION_DENIED);
 
         try {
             mNetworkScoreService.setActiveScorer(null);
@@ -630,7 +629,7 @@
 
     @Test
     public void testIsCallerActiveScorer_noBoundService() throws Exception {
-        mNetworkScoreService.systemRunning();
+        mNetworkScoreService.onUserUnlocked(0);
 
         assertFalse(mNetworkScoreService.isCallerActiveScorer(Binder.getCallingUid()));
     }
@@ -651,7 +650,7 @@
 
     @Test
     public void testGetActiveScorerPackage_notActive() throws Exception {
-        mNetworkScoreService.systemRunning();
+        mNetworkScoreService.onUserUnlocked(0);
 
         assertNull(mNetworkScoreService.getActiveScorerPackage());
     }
@@ -659,7 +658,7 @@
     @Test
     public void testGetActiveScorerPackage_active() throws Exception {
         when(mNetworkScorerAppManager.getActiveScorer()).thenReturn(NEW_SCORER);
-        mNetworkScoreService.systemRunning();
+        mNetworkScoreService.onUserUnlocked(0);
 
         assertEquals(NEW_SCORER.getRecommendationServicePackageName(),
                 mNetworkScoreService.getActiveScorerPackage());
@@ -960,7 +959,7 @@
                 return true;
             }
         });
-        mNetworkScoreService.systemRunning();
+        mNetworkScoreService.onUserUnlocked(0);
     }
 
     private void bindToScorer(boolean callerIsScorer) {
@@ -974,7 +973,7 @@
         when(mNetworkScorerAppManager.getActiveScorer()).thenReturn(appData);
         when(mContext.bindServiceAsUser(isA(Intent.class), isA(ServiceConnection.class), anyInt(),
                 isA(UserHandle.class))).thenReturn(true);
-        mNetworkScoreService.systemRunning();
+        mNetworkScoreService.onUserUnlocked(0);
     }
 
     private static class OnResultListener implements RemoteCallback.OnResultListener {
diff --git a/core/tests/coretests/src/android/net/NetworkScorerAppManagerTest.java b/services/tests/servicestests/src/com/android/server/NetworkScorerAppManagerTest.java
similarity index 61%
rename from core/tests/coretests/src/android/net/NetworkScorerAppManagerTest.java
rename to services/tests/servicestests/src/com/android/server/NetworkScorerAppManagerTest.java
index 347024d..e9a2d34 100644
--- a/core/tests/coretests/src/android/net/NetworkScorerAppManagerTest.java
+++ b/services/tests/servicestests/src/com/android/server/NetworkScorerAppManagerTest.java
@@ -14,13 +14,22 @@
  * limitations under the License
  */
 
-package android.net;
+package com.android.server;
 
+import static junit.framework.Assert.assertEquals;
+import static junit.framework.Assert.assertNotNull;
+import static junit.framework.Assert.assertNull;
+import static junit.framework.Assert.assertTrue;
+
+import static org.junit.Assert.assertFalse;
+import static org.mockito.Matchers.any;
+import static org.mockito.Matchers.eq;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
 import android.Manifest.permission;
 import android.content.ComponentName;
-import android.content.ContentResolver;
 import android.content.Context;
 import android.content.Intent;
 import android.content.pm.ActivityInfo;
@@ -29,144 +38,84 @@
 import android.content.pm.ResolveInfo;
 import android.content.pm.ServiceInfo;
 import android.content.res.Resources;
-import android.net.NetworkScorerAppManager.NetworkScorerAppData;
+import android.net.NetworkScoreManager;
+import android.net.NetworkScorerAppData;
 import android.os.Bundle;
 import android.provider.Settings;
-import android.test.InstrumentationTestCase;
+import android.support.test.runner.AndroidJUnit4;
 
 import com.android.internal.R;
 
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
 import org.mockito.ArgumentMatcher;
 import org.mockito.Mock;
 import org.mockito.Mockito;
 import org.mockito.MockitoAnnotations;
 
+import java.util.ArrayList;
 import java.util.List;
 
-public class NetworkScorerAppManagerTest extends InstrumentationTestCase {
+@RunWith(AndroidJUnit4.class)
+public class NetworkScorerAppManagerTest {
     @Mock private Context mMockContext;
     @Mock private PackageManager mMockPm;
     @Mock private Resources mResources;
-    @Mock private ContentResolver mContentResolver;
-    private Context mTargetContext;
+    @Mock private NetworkScorerAppManager.SettingsFacade mSettingsFacade;
     private NetworkScorerAppManager mNetworkScorerAppManager;
+    private List<ResolveInfo> mAvailableServices;
 
-    @Override
+    @Before
     public void setUp() throws Exception {
-        super.setUp();
-
-        // Configuration needed to make mockito/dexcache work.
-        mTargetContext = getInstrumentation().getTargetContext();
-        System.setProperty("dexmaker.dexcache", mTargetContext.getCacheDir().getPath());
-        ClassLoader newClassLoader = getInstrumentation().getClass().getClassLoader();
-        Thread.currentThread().setContextClassLoader(newClassLoader);
-
         MockitoAnnotations.initMocks(this);
+        mAvailableServices = new ArrayList<>();
         when(mMockContext.getPackageManager()).thenReturn(mMockPm);
+        when(mMockPm.queryIntentServices(Mockito.argThat(new ArgumentMatcher<Intent>() {
+            @Override
+            public boolean matches(Object object) {
+                Intent intent = (Intent) object;
+                return NetworkScoreManager.ACTION_RECOMMEND_NETWORKS.equals(intent.getAction());
+            }
+        }), eq(PackageManager.GET_META_DATA))).thenReturn(mAvailableServices);
         when(mMockContext.getResources()).thenReturn(mResources);
-        when(mMockContext.getContentResolver()).thenReturn(mTargetContext.getContentResolver());
-        mNetworkScorerAppManager = new NetworkScorerAppManager(mMockContext);
+
+        mNetworkScorerAppManager = new NetworkScorerAppManager(mMockContext, mSettingsFacade);
     }
 
-    public void testGetPotentialRecommendationProviderPackages_emptyConfig() throws Exception {
-        setNetworkRecommendationPackageNames(/*no configured packages*/);
-        assertTrue(mNetworkScorerAppManager.getPotentialRecommendationProviderPackages().isEmpty());
-    }
-
-    public void testGetPotentialRecommendationProviderPackages_permissionNotGranted()
-            throws Exception {
-        setNetworkRecommendationPackageNames("package1");
-        mockScoreNetworksDenied("package1");
-
-        assertTrue(mNetworkScorerAppManager.getPotentialRecommendationProviderPackages().isEmpty());
-    }
-
-    public void testGetPotentialRecommendationProviderPackages_permissionGranted()
-            throws Exception {
-        setNetworkRecommendationPackageNames("package1");
-        mockScoreNetworksGranted("package1");
-
-        List<String> potentialProviderPackages =
-                mNetworkScorerAppManager.getPotentialRecommendationProviderPackages();
-
-        assertFalse(potentialProviderPackages.isEmpty());
-        assertEquals("package1", potentialProviderPackages.get(0));
-    }
-
-    public void testGetPotentialRecommendationProviderPackages_multipleConfigured()
-            throws Exception {
-        setNetworkRecommendationPackageNames("package1", "package2");
-        mockScoreNetworksDenied("package1");
-        mockScoreNetworksGranted("package2");
-
-        List<String> potentialProviderPackages =
-                mNetworkScorerAppManager.getPotentialRecommendationProviderPackages();
-
-        assertEquals(1, potentialProviderPackages.size());
-        assertEquals("package2", potentialProviderPackages.get(0));
-    }
-
-    public void testGetNetworkRecommendationProviderData_noPotentialPackages() throws Exception {
-        setNetworkRecommendationPackageNames(/*no configured packages*/);
-        assertNull(mNetworkScorerAppManager.getNetworkRecommendationProviderData());
-    }
-
-    public void testGetNetworkRecommendationProviderData_serviceMissing() throws Exception {
-        setNetworkRecommendationPackageNames("package1");
-        mockScoreNetworksGranted("package1");
-
-        assertNull(mNetworkScorerAppManager.getNetworkRecommendationProviderData());
-    }
-
-    public void testGetNetworkRecommendationProviderData_scoreNetworksNotGranted()
-            throws Exception {
-        final ComponentName recoComponent = new ComponentName("package1", "class1");
-        setNetworkRecommendationPackageNames(recoComponent.getPackageName());
-        mockScoreNetworksDenied(recoComponent.getPackageName());
-        mockRecommendationServiceAvailable(recoComponent, 924 /* packageUid */);
-
-        assertNull(mNetworkScorerAppManager.getNetworkRecommendationProviderData());
-    }
-
-    public void testGetNetworkRecommendationProviderData_available() throws Exception {
-        final ComponentName recoComponent = new ComponentName("package1", "class1");
-        setNetworkRecommendationPackageNames(recoComponent.getPackageName());
-        mockScoreNetworksGranted(recoComponent.getPackageName());
-        mockRecommendationServiceAvailable(recoComponent, 924 /* packageUid */);
-
-        NetworkScorerAppData appData =
-                mNetworkScorerAppManager.getNetworkRecommendationProviderData();
-        assertNotNull(appData);
-        assertEquals(recoComponent, appData.getRecommendationServiceComponent());
-        assertEquals(924, appData.packageUid);
-    }
-
+    @Test
     public void testGetActiveScorer_providerAvailable() throws Exception {
         final ComponentName recoComponent = new ComponentName("package1", "class1");
-        setNetworkRecommendationPackageNames(recoComponent.getPackageName());
+        setNetworkRecoPackageSetting(recoComponent.getPackageName());
         mockScoreNetworksGranted(recoComponent.getPackageName());
         mockRecommendationServiceAvailable(recoComponent, 924 /* packageUid */);
 
-        ContentResolver cr = mTargetContext.getContentResolver();
-        Settings.Global.putInt(cr, Settings.Global.NETWORK_RECOMMENDATIONS_ENABLED, 1);
-
         final NetworkScorerAppData activeScorer = mNetworkScorerAppManager.getActiveScorer();
         assertNotNull(activeScorer);
         assertEquals(recoComponent, activeScorer.getRecommendationServiceComponent());
         assertEquals(924, activeScorer.packageUid);
     }
 
+    @Test
+    public void testGetActiveScorer_permissionMissing() throws Exception {
+        final ComponentName recoComponent = new ComponentName("package1", "class1");
+        setNetworkRecoPackageSetting(recoComponent.getPackageName());
+        mockScoreNetworksDenied(recoComponent.getPackageName());
+        mockRecommendationServiceAvailable(recoComponent, 924 /* packageUid */);
+
+        final NetworkScorerAppData activeScorer = mNetworkScorerAppManager.getActiveScorer();
+        assertNull(activeScorer);
+    }
+
+    @Test
     public void testGetActiveScorer_providerAvailable_enableUseOpenWifiActivityNotSet()
             throws Exception {
         final ComponentName recoComponent = new ComponentName("package1", "class1");
-        setNetworkRecommendationPackageNames(recoComponent.getPackageName());
+        setNetworkRecoPackageSetting(recoComponent.getPackageName());
         mockScoreNetworksGranted(recoComponent.getPackageName());
         mockRecommendationServiceAvailable(recoComponent, 924 /* packageUid */,
                 null /* enableUseOpenWifiPackageActivityPackage*/);
 
-        ContentResolver cr = mTargetContext.getContentResolver();
-        Settings.Global.putInt(cr, Settings.Global.NETWORK_RECOMMENDATIONS_ENABLED, 1);
-
         final NetworkScorerAppData activeScorer = mNetworkScorerAppManager.getActiveScorer();
         assertNotNull(activeScorer);
         assertEquals(recoComponent, activeScorer.getRecommendationServiceComponent());
@@ -174,17 +123,15 @@
         assertNull(activeScorer.getEnableUseOpenWifiActivity());
     }
 
+    @Test
     public void testGetActiveScorer_providerAvailable_enableUseOpenWifiActivityNotResolved()
             throws Exception {
         final ComponentName recoComponent = new ComponentName("package1", "class1");
-        setNetworkRecommendationPackageNames(recoComponent.getPackageName());
+        setNetworkRecoPackageSetting(recoComponent.getPackageName());
         mockScoreNetworksGranted(recoComponent.getPackageName());
         mockRecommendationServiceAvailable(recoComponent, 924 /* packageUid */,
                 "package2" /* enableUseOpenWifiPackageActivityPackage*/);
 
-        ContentResolver cr = mTargetContext.getContentResolver();
-        Settings.Global.putInt(cr, Settings.Global.NETWORK_RECOMMENDATIONS_ENABLED, 1);
-
         final NetworkScorerAppData activeScorer = mNetworkScorerAppManager.getActiveScorer();
         assertNotNull(activeScorer);
         assertEquals(recoComponent, activeScorer.getRecommendationServiceComponent());
@@ -192,19 +139,17 @@
         assertNull(activeScorer.getEnableUseOpenWifiActivity());
     }
 
+    @Test
     public void testGetActiveScorer_providerAvailable_enableUseOpenWifiActivityResolved()
             throws Exception {
         final ComponentName recoComponent = new ComponentName("package1", "class1");
         final ComponentName enableUseOpenWifiComponent = new ComponentName("package2", "class2");
-        setNetworkRecommendationPackageNames(recoComponent.getPackageName());
+        setNetworkRecoPackageSetting(recoComponent.getPackageName());
         mockScoreNetworksGranted(recoComponent.getPackageName());
         mockRecommendationServiceAvailable(recoComponent, 924 /* packageUid */,
                 enableUseOpenWifiComponent.getPackageName());
         mockEnableUseOpenWifiActivity(enableUseOpenWifiComponent);
 
-        ContentResolver cr = mTargetContext.getContentResolver();
-        Settings.Global.putInt(cr, Settings.Global.NETWORK_RECOMMENDATIONS_ENABLED, 1);
-
         final NetworkScorerAppData activeScorer = mNetworkScorerAppManager.getActiveScorer();
         assertNotNull(activeScorer);
         assertEquals(recoComponent, activeScorer.getRecommendationServiceComponent());
@@ -212,33 +157,105 @@
         assertEquals(enableUseOpenWifiComponent, activeScorer.getEnableUseOpenWifiActivity());
     }
 
-    public void testGetActiveScorer_providerNotAvailable()
+    @Test
+    public void testGetActiveScorer_packageSettingIsNull()
             throws Exception {
-        ContentResolver cr = mTargetContext.getContentResolver();
-        Settings.Global.putInt(cr, Settings.Global.NETWORK_RECOMMENDATIONS_ENABLED, 1);
+        // NETWORK_RECOMMENDATIONS_PACKAGE is null
 
         final NetworkScorerAppData activeScorer = mNetworkScorerAppManager.getActiveScorer();
         assertNull(activeScorer);
     }
 
-    public void testGetActiveScorer_recommendationsDisabled() throws Exception {
+    @Test
+    public void testGetActiveScorer_packageSettingIsInvalid() throws Exception {
         final ComponentName recoComponent = new ComponentName("package1", "class1");
-        setNetworkRecommendationPackageNames(recoComponent.getPackageName());
+        setDefaultNetworkRecommendationPackage(recoComponent.getPackageName());
         mockScoreNetworksGranted(recoComponent.getPackageName());
-        mockRecommendationServiceAvailable(recoComponent, 924 /* packageUid */);
-        ContentResolver cr = mTargetContext.getContentResolver();
-        Settings.Global.putInt(cr, Settings.Global.NETWORK_RECOMMENDATIONS_ENABLED, 0);
+        // NETWORK_RECOMMENDATIONS_PACKAGE is set to a package that isn't a recommender.
 
         final NetworkScorerAppData activeScorer = mNetworkScorerAppManager.getActiveScorer();
         assertNull(activeScorer);
     }
 
-    private void setNetworkRecommendationPackageNames(String... names) {
-        if (names == null) {
-            names = new String[0];
-        }
-        when(mResources.getStringArray(R.array.config_networkRecommendationPackageNames))
-                .thenReturn(names);
+    @Test
+    public void testSetActiveScorer_noChange() throws Exception {
+        String packageName = "package";
+        setNetworkRecoPackageSetting(packageName);
+
+        assertTrue(mNetworkScorerAppManager.setActiveScorer(packageName));
+        verify(mSettingsFacade, never()).putString(any(), any(), any());
+    }
+
+    @Test
+    public void testSetActiveScorer_nullPackage() throws Exception {
+        String packageName = "package";
+        String defaultPackage = "defaultPackage";
+        setNetworkRecoPackageSetting(packageName);
+        setDefaultNetworkRecommendationPackage(defaultPackage);
+
+        assertTrue(mNetworkScorerAppManager.setActiveScorer(null));
+        verify(mSettingsFacade).putString(mMockContext,
+                Settings.Global.NETWORK_RECOMMENDATIONS_PACKAGE, defaultPackage);
+    }
+
+    @Test
+    public void testSetActiveScorer_validPackage() throws Exception {
+        String packageName = "package";
+        String newPackage = "newPackage";
+        setNetworkRecoPackageSetting(packageName);
+        final ComponentName recoComponent = new ComponentName(newPackage, "class1");
+        mockScoreNetworksGranted(recoComponent.getPackageName());
+        mockRecommendationServiceAvailable(recoComponent, 924 /* packageUid */, null);
+
+        assertTrue(mNetworkScorerAppManager.setActiveScorer(newPackage));
+        verify(mSettingsFacade).putString(mMockContext,
+                Settings.Global.NETWORK_RECOMMENDATIONS_PACKAGE, newPackage);
+    }
+
+    @Test
+    public void testSetActiveScorer_invalidPackage() throws Exception {
+        String packageName = "package";
+        String newPackage = "newPackage";
+        setNetworkRecoPackageSetting(packageName);
+        // newPackage doesn't resolve to a valid recommender
+
+        assertFalse(mNetworkScorerAppManager.setActiveScorer(newPackage));
+        verify(mSettingsFacade, never()).putString(any(), any(), any());
+    }
+
+
+    @Test
+    public void testRevertToDefaultIfNoActive_notActive() throws Exception {
+        String defaultPackage = "defaultPackage";
+        setDefaultNetworkRecommendationPackage(defaultPackage);
+
+        mNetworkScorerAppManager.revertToDefaultIfNoActive();
+
+        verify(mSettingsFacade).putString(mMockContext,
+                Settings.Global.NETWORK_RECOMMENDATIONS_PACKAGE, defaultPackage);
+    }
+
+    @Test
+    public void testRevertToDefaultIfNoActive_active() throws Exception {
+        String packageName = "package";
+        setNetworkRecoPackageSetting(packageName);
+        final ComponentName recoComponent = new ComponentName(packageName, "class1");
+        mockScoreNetworksGranted(recoComponent.getPackageName());
+        mockRecommendationServiceAvailable(recoComponent, 924 /* packageUid */, null);
+
+        mNetworkScorerAppManager.revertToDefaultIfNoActive();
+
+        verify(mSettingsFacade, never()).putString(any(), any(), any());
+    }
+
+    private void setNetworkRecoPackageSetting(String packageName) {
+        when(mSettingsFacade.getString(mMockContext,
+                Settings.Global.NETWORK_RECOMMENDATIONS_PACKAGE)).thenReturn(packageName);
+    }
+
+    private void setDefaultNetworkRecommendationPackage(String name) {
+        when(mResources.getString(R.string.config_defaultNetworkRecommendationProviderPackage))
+                .thenReturn(name);
     }
 
     private void mockScoreNetworksGranted(String packageName) {
@@ -281,6 +298,8 @@
                                 && compName.getPackageName().equals(intent.getPackage());
                     }
                 }), Mockito.eq(flags))).thenReturn(serviceInfo);
+
+        mAvailableServices.add(serviceInfo);
     }
 
     private void mockEnableUseOpenWifiActivity(final ComponentName useOpenWifiComp) {
diff --git a/services/tests/servicestests/src/com/android/server/job/JobStoreTest.java b/services/tests/servicestests/src/com/android/server/job/JobStoreTest.java
index f615bf3..33e1a16 100644
--- a/services/tests/servicestests/src/com/android/server/job/JobStoreTest.java
+++ b/services/tests/servicestests/src/com/android/server/job/JobStoreTest.java
@@ -10,7 +10,6 @@
 import android.test.AndroidTestCase;
 import android.test.RenamingDelegatingContext;
 import android.util.Log;
-import android.util.ArraySet;
 
 import com.android.server.job.JobStore.JobSet;
 import com.android.server.job.controllers.JobStatus;
@@ -278,6 +277,8 @@
 
         assertEquals("Invalid charging constraint.", first.isRequireCharging(),
                 second.isRequireCharging());
+        assertEquals("Invalid battery not low constraint.", first.isRequireBatteryNotLow(),
+                second.isRequireBatteryNotLow());
         assertEquals("Invalid idle constraint.", first.isRequireDeviceIdle(),
                 second.isRequireDeviceIdle());
         assertEquals("Invalid unmetered constraint.",
diff --git a/services/tests/servicestests/src/com/android/server/pm/BaseShortcutManagerTest.java b/services/tests/servicestests/src/com/android/server/pm/BaseShortcutManagerTest.java
index 100338e..1b59d72 100644
--- a/services/tests/servicestests/src/com/android/server/pm/BaseShortcutManagerTest.java
+++ b/services/tests/servicestests/src/com/android/server/pm/BaseShortcutManagerTest.java
@@ -34,6 +34,7 @@
 import static org.mockito.Mockito.when;
 
 import android.annotation.NonNull;
+import android.annotation.Nullable;
 import android.annotation.UserIdInt;
 import android.app.Activity;
 import android.app.ActivityManager;
@@ -1324,20 +1325,23 @@
     protected ShortcutInfo makeShortcut(String id) {
         return makeShortcut(
                 id, "Title-" + id, /* activity =*/ null, /* icon =*/ null,
-                makeIntent(Intent.ACTION_VIEW, ShortcutActivity.class), /* rank =*/ 0);
+                makeIntent(Intent.ACTION_VIEW, ShortcutActivity.class), /* rank =*/ 0,
+                /* chooserFilter=*/ null, /* chooserComponentNames=*/ null);
     }
 
     @Deprecated // Title was renamed to short label.
     protected ShortcutInfo makeShortcutWithTitle(String id, String title) {
         return makeShortcut(
                 id, title, /* activity =*/ null, /* icon =*/ null,
-                makeIntent(Intent.ACTION_VIEW, ShortcutActivity.class), /* rank =*/ 0);
+                makeIntent(Intent.ACTION_VIEW, ShortcutActivity.class), /* rank =*/ 0,
+                /* chooserFilter=*/ null, /* chooserComponentNames=*/ null);
     }
 
     protected ShortcutInfo makeShortcutWithShortLabel(String id, String shortLabel) {
         return makeShortcut(
                 id, shortLabel, /* activity =*/ null, /* icon =*/ null,
-                makeIntent(Intent.ACTION_VIEW, ShortcutActivity.class), /* rank =*/ 0);
+                makeIntent(Intent.ACTION_VIEW, ShortcutActivity.class), /* rank =*/ 0,
+                /* chooserFilter=*/ null, /* chooserComponentNames=*/ null);
     }
 
     /**
@@ -1346,7 +1350,8 @@
     protected ShortcutInfo makeShortcutWithTimestamp(String id, long timestamp) {
         final ShortcutInfo s = makeShortcut(
                 id, "Title-" + id, /* activity =*/ null, /* icon =*/ null,
-                makeIntent(Intent.ACTION_VIEW, ShortcutActivity.class), /* rank =*/ 0);
+                makeIntent(Intent.ACTION_VIEW, ShortcutActivity.class), /* rank =*/ 0,
+                /* chooserFilter=*/ null, /* chooserComponentNames=*/ null);
         s.setTimestamp(timestamp);
         return s;
     }
@@ -1358,7 +1363,8 @@
             ComponentName activity) {
         final ShortcutInfo s = makeShortcut(
                 id, "Title-" + id, activity, /* icon =*/ null,
-                makeIntent(Intent.ACTION_VIEW, ShortcutActivity.class), /* rank =*/ 0);
+                makeIntent(Intent.ACTION_VIEW, ShortcutActivity.class), /* rank =*/ 0,
+                /* chooserFilter=*/ null, /* chooserComponentNames=*/ null);
         s.setTimestamp(timestamp);
         return s;
     }
@@ -1369,7 +1375,27 @@
     protected ShortcutInfo makeShortcutWithIcon(String id, Icon icon) {
         return makeShortcut(
                 id, "Title-" + id, /* activity =*/ null, icon,
-                makeIntent(Intent.ACTION_VIEW, ShortcutActivity.class), /* rank =*/ 0);
+                makeIntent(Intent.ACTION_VIEW, ShortcutActivity.class), /* rank =*/ 0,
+                /* chooserFilter=*/ null, /* chooserComponentNames=*/ null);
+    }
+
+    protected ShortcutInfo makeChooserShortcut(String id, int i, boolean includeIntent) {
+        List<IntentFilter> filters = new ArrayList<>();
+        List<ComponentName> componentNames = new ArrayList<>();
+        for(int j = 0; j < i; j++) {
+            final IntentFilter filter = new IntentFilter();
+            filter.addAction("view");
+            filters.add(filter);
+
+            componentNames.add(new ComponentName("xxxx", "yy" + i));
+        }
+        Intent intent = null;
+        if (includeIntent) {
+            intent = makeIntent(Intent.ACTION_VIEW, ShortcutActivity.class);
+        }
+        return makeShortcut(
+                id, "Title-" + id, /* activity =*/ null, /* icon */ null,
+                intent, /* rank =*/ 0, filters, componentNames);
     }
 
     protected ShortcutInfo makePackageShortcut(String packageName, String id) {
@@ -1378,7 +1404,8 @@
         setCaller(packageName);
         ShortcutInfo s = makeShortcut(
                 id, "Title-" + id, /* activity =*/ null, /* icon =*/ null,
-                makeIntent(Intent.ACTION_VIEW, ShortcutActivity.class), /* rank =*/ 0);
+                makeIntent(Intent.ACTION_VIEW, ShortcutActivity.class), /* rank =*/ 0,
+                /* chooserFilter=*/ null, /* chooserComponentNames=*/ null);
         setCaller(origCaller); // restore the caller
 
         return s;
@@ -1402,39 +1429,52 @@
     protected ShortcutInfo makeShortcutWithActivity(String id, ComponentName activity) {
         return makeShortcut(
                 id, "Title-" + id, activity, /* icon =*/ null,
-                makeIntent(Intent.ACTION_VIEW, ShortcutActivity.class), /* rank =*/ 0);
+                makeIntent(Intent.ACTION_VIEW, ShortcutActivity.class), /* rank =*/ 0,
+                /* chooserFilters =*/ null, /* chooserComponentNames =*/ null);
     }
 
     protected ShortcutInfo makeShortcutWithIntent(String id, Intent intent) {
         return makeShortcut(
                 id, "Title-" + id, /* activity =*/ null, /* icon =*/ null,
-                intent, /* rank =*/ 0);
+                intent, /* rank =*/ 0, /* chooserFilters =*/ null,
+                /* chooserComponentNames =*/ null);
+
     }
 
     protected ShortcutInfo makeShortcutWithActivityAndTitle(String id, ComponentName activity,
             String title) {
         return makeShortcut(
                 id, title, activity, /* icon =*/ null,
-                makeIntent(Intent.ACTION_VIEW, ShortcutActivity.class), /* rank =*/ 0);
+                makeIntent(Intent.ACTION_VIEW, ShortcutActivity.class), /* rank =*/ 0,
+                /* chooserFilters =*/ null, /* chooserComponentNames =*/ null);
     }
 
     protected ShortcutInfo makeShortcutWithActivityAndRank(String id, ComponentName activity,
             int rank) {
         return makeShortcut(
                 id, "Title-" + id, activity, /* icon =*/ null,
-                makeIntent(Intent.ACTION_VIEW, ShortcutActivity.class), rank);
+                makeIntent(Intent.ACTION_VIEW, ShortcutActivity.class), rank,
+                /* chooserFilters =*/ null, /* chooserComponentNames =*/ null);
     }
 
     /**
      * Make a shortcut with details.
      */
     protected ShortcutInfo makeShortcut(String id, String title, ComponentName activity,
-            Icon icon, Intent intent, int rank) {
+            Icon icon, Intent intent, int rank, @Nullable List<IntentFilter> chooserFilters,
+            @Nullable List<ComponentName> chooserComponentNames) {
         final ShortcutInfo.Builder  b = new ShortcutInfo.Builder(mClientContext, id)
                 .setActivity(new ComponentName(mClientContext.getPackageName(), "main"))
                 .setShortLabel(title)
-                .setRank(rank)
-                .setIntent(intent);
+                .setRank(rank);
+        if (intent != null) {
+            b.setIntent(intent);
+        }
+        if (chooserFilters != null) {
+            for (int i = 0; i < chooserFilters.size(); i++) {
+                b.addChooserIntentFilter(chooserFilters.get(i), chooserComponentNames.get(i));
+            }
+        }
         if (icon != null) {
             b.setIcon(icon);
         }
diff --git a/services/tests/servicestests/src/com/android/server/pm/PackageParserTest.java b/services/tests/servicestests/src/com/android/server/pm/PackageParserTest.java
index 28596f7..d8db331 100644
--- a/services/tests/servicestests/src/com/android/server/pm/PackageParserTest.java
+++ b/services/tests/servicestests/src/com/android/server/pm/PackageParserTest.java
@@ -413,9 +413,7 @@
         assertTrue(Arrays.equals(a.sharedLibraryFiles, that.sharedLibraryFiles));
         assertEquals(a.dataDir, that.dataDir);
         assertEquals(a.deviceProtectedDataDir, that.deviceProtectedDataDir);
-        assertEquals(a.deviceEncryptedDataDir, that.deviceEncryptedDataDir);
         assertEquals(a.credentialProtectedDataDir, that.credentialProtectedDataDir);
-        assertEquals(a.credentialEncryptedDataDir, that.credentialEncryptedDataDir);
         assertEquals(a.nativeLibraryDir, that.nativeLibraryDir);
         assertEquals(a.secondaryNativeLibraryDir, that.secondaryNativeLibraryDir);
         assertEquals(a.nativeLibraryRootDir, that.nativeLibraryRootDir);
diff --git a/services/tests/servicestests/src/com/android/server/pm/ShortcutManagerTest1.java b/services/tests/servicestests/src/com/android/server/pm/ShortcutManagerTest1.java
index e4d92ba..94ff07f 100644
--- a/services/tests/servicestests/src/com/android/server/pm/ShortcutManagerTest1.java
+++ b/services/tests/servicestests/src/com/android/server/pm/ShortcutManagerTest1.java
@@ -15,6 +15,7 @@
  */
 package com.android.server.pm;
 
+import static com.android.server.pm.shortcutmanagertest.ShortcutManagerTestUtils.assertAllChooser;
 import static com.android.server.pm.shortcutmanagertest.ShortcutManagerTestUtils.assertAllDisabled;
 import static com.android.server.pm.shortcutmanagertest.ShortcutManagerTestUtils.assertAllDynamic;
 import static com.android.server.pm.shortcutmanagertest.ShortcutManagerTestUtils.assertAllDynamicOrPinned;
@@ -256,7 +257,9 @@
                 icon1,
                 makeIntent(Intent.ACTION_ASSIST, ShortcutActivity2.class,
                         "key1", "val1", "nest", makeBundle("key", 123)),
-                /* weight */ 10);
+                /* weight */ 10,
+                /* chooserFilter=*/ null,
+                /* chooserComponentNames=*/ null);
 
         final ShortcutInfo si2 = makeShortcut(
                 "shortcut2",
@@ -264,14 +267,18 @@
                 /* activity */ null,
                 icon2,
                 makeIntent(Intent.ACTION_ASSIST, ShortcutActivity3.class),
-                /* weight */ 12);
+                /* weight */ 12,
+                /* chooserFilter=*/ null,
+                /* chooserComponentNames=*/ null);
         final ShortcutInfo si3 = makeShortcut(
                 "shortcut3",
                 "Title 3",
                 /* activity */ null,
                 icon3,
                 makeIntent(Intent.ACTION_ASSIST, ShortcutActivity3.class),
-                /* weight */ 13);
+                /* weight */ 13,
+                /* chooserFilter=*/ null,
+                /* chooserComponentNames=*/ null);
 
         assertTrue(mManager.setDynamicShortcuts(list(si1, si2, si3)));
         assertShortcutIds(assertAllNotKeyFieldsOnly(
@@ -982,8 +989,10 @@
                     makeShortcut("s2"),
                     makeShortcut("s3"),
                     makeShortcut("s4"),
-                    makeShortcut("s5")
-            )));
+                    makeShortcut("s5"),
+                    makeChooserShortcut("s6", 2, true),
+                    makeChooserShortcut("s7", 2, true),
+                    makeChooserShortcut("s8", 1, true))));
         });
         runWithCaller(CALLING_PACKAGE_2, UserHandle.USER_SYSTEM, () -> {
             assertTrue(mManager.setDynamicShortcuts(list(
@@ -991,11 +1000,13 @@
                     makeShortcut("s2"),
                     makeShortcut("s3"),
                     makeShortcut("s4"),
-                    makeShortcut("s5")
-            )));
+                    makeShortcut("s5"),
+                    makeChooserShortcut("s6", 2, true),
+                    makeChooserShortcut("s7", 2, true),
+                    makeChooserShortcut("s8", 1, true))));
         });
         runWithCaller(LAUNCHER_1, UserHandle.USER_SYSTEM, () -> {
-            mLauncherApps.pinShortcuts(CALLING_PACKAGE_1, list("s2", "s3"),
+            mLauncherApps.pinShortcuts(CALLING_PACKAGE_1, list("s2", "s3", "s6"),
                     getCallingUser());
             mLauncherApps.pinShortcuts(CALLING_PACKAGE_2, list("s4", "s5"),
                     getCallingUser());
@@ -1008,19 +1019,20 @@
             mManager.removeDynamicShortcuts(list("s1"));
             mManager.removeDynamicShortcuts(list("s3"));
             mManager.removeDynamicShortcuts(list("s5"));
+            mManager.removeDynamicShortcuts(list("s7"));
         });
         runWithCaller(CALLING_PACKAGE_1, UserHandle.USER_SYSTEM, () -> {
             assertShortcutIds(assertAllDynamic(
                     mManager.getDynamicShortcuts()),
-                    "s3", "s4", "s5");
+                    "s3", "s4", "s5", "s6", "s7", "s8");
             assertShortcutIds(assertAllPinned(
                     mManager.getPinnedShortcuts()),
-                    "s2", "s3");
+                    "s2", "s3", "s6");
         });
         runWithCaller(CALLING_PACKAGE_2, UserHandle.USER_SYSTEM, () -> {
             assertShortcutIds(assertAllDynamic(
                     mManager.getDynamicShortcuts()),
-                    "s2", "s4");
+                    "s2", "s4", "s6", "s8");
             assertShortcutIds(assertAllPinned(
                     mManager.getPinnedShortcuts()),
                     "s4", "s5");
@@ -1057,10 +1069,10 @@
         runWithCaller(CALLING_PACKAGE_1, UserHandle.USER_SYSTEM, () -> {
             assertShortcutIds(assertAllDynamic(
                     mManager.getDynamicShortcuts()),
-                    "s3", "s4", "s5");
+                    "s3", "s4", "s5", "s6", "s7", "s8");
             assertShortcutIds(assertAllPinned(
                     mManager.getPinnedShortcuts()),
-                    "s2", "s3");
+                    "s2", "s3", "s6");
 
             ShortcutInfo s = getCallerShortcut("s2");
             assertTrue(s.hasIconResource());
@@ -1076,7 +1088,7 @@
         runWithCaller(CALLING_PACKAGE_2, UserHandle.USER_SYSTEM, () -> {
             assertShortcutIds(assertAllDynamic(
                     mManager.getDynamicShortcuts()),
-                    "s2", "s4");
+                    "s2", "s4", "s6", "s8");
             assertShortcutIds(assertAllPinned(
                     mManager.getPinnedShortcuts()),
                     "s4", "s5");
@@ -1173,7 +1185,46 @@
         });
     }
 
-    // === Test for launcher side APIs ===
+    public void testUpdateShortcuts_chooser() {
+        runWithCaller(CALLING_PACKAGE_1, UserHandle.USER_SYSTEM, () -> {
+            assertTrue(mManager.setDynamicShortcuts(list(
+                    makeShortcut("s1"),
+                    makeChooserShortcut("s2", 2, false),
+                    makeChooserShortcut("s3", 2, false)
+            )));
+
+            assertFalse(getCallerShortcut("s1").isChooser());
+            assertTrue(getCallerShortcut("s2").isChooser());
+            assertTrue(getCallerShortcut("s3").isChooser());
+
+            ShortcutInfo s = getCallerShortcut("s1");
+            assertNull(s.getChooserIntentFilters());
+            assertNull(s.getChooserComponentNames());
+
+            assertTrue(getCallerShortcut("s1").isDynamic());
+            assertFalse(getCallerShortcut("s2").isDynamic());
+            assertFalse(getCallerShortcut("s3").isDynamic());
+
+
+            // Replace 2 with a chooser shortcut
+            mManager.updateShortcuts(list(makeChooserShortcut("s1", 2, true)));
+
+            s = getCallerShortcut("s1");
+            assertEquals(2, s.getChooserIntentFilters().length);
+            assertEquals(2, s.getChooserComponentNames().length);
+
+            assertShortcutIds(assertAllChooser(
+                    mManager.getDynamicShortcuts()),
+                    "s1", "s2", "s3");
+
+            assertTrue(getCallerShortcut("s1").isDynamic());
+            assertFalse(getCallerShortcut("s2").isDynamic());
+            assertFalse(getCallerShortcut("s3").isDynamic());
+        });
+    }
+
+
+            // === Test for launcher side APIs ===
 
     public void testGetShortcuts() {
 
@@ -1484,15 +1535,17 @@
                 /* icon =*/ null,
                 makeIntent(Intent.ACTION_ASSIST, ShortcutActivity2.class,
                         "key1", "val1", "nest", makeBundle("key", 123)),
-                /* weight */ 10);
+                        /* weight */ 10, /* chooserFilter=*/ null,
+                        /* chooserComponentNames=*/ null);
 
         final ShortcutInfo s1_2 = makeShortcut(
-                "s2",
-                "Title 2",
+                "s2", "Title 2",
                 /* activity */ null,
                 /* icon =*/ null,
                 makeIntent(Intent.ACTION_ASSIST, ShortcutActivity3.class),
-                /* weight */ 12);
+                /* weight */ 12,
+                /* chooserFilter=*/ null,
+                /* chooserComponentNames=*/ null);
 
         assertTrue(mManager.setDynamicShortcuts(list(s1_1, s1_2)));
         dumpsysOnLogcat();
@@ -1505,7 +1558,9 @@
                 /* icon =*/ null,
                 makeIntent(Intent.ACTION_ANSWER, ShortcutActivity2.class,
                         "key1", "val1", "nest", makeBundle("key", 123)),
-                /* weight */ 10);
+                /* weight */ 10,
+                /* chooserFilter=*/ null,
+                /* chooserComponentNames=*/ null);
         assertTrue(mManager.setDynamicShortcuts(list(s2_1)));
         dumpsysOnLogcat();
 
@@ -2674,10 +2729,12 @@
             final ShortcutInfo s1_2 = makeShortcut(
                     "s2",
                     "Title 2",
-            /* activity */ null,
-            /* icon =*/ null,
+                    /* activity */ null,
+                    /* icon =*/ null,
                     makeIntent(Intent.ACTION_ASSIST, ShortcutActivity3.class),
-            /* rank */ 12);
+                    /* rank */ 12,
+                    /* chooserFilter=*/ null,
+                    /* chooserComponentNames=*/ null);
 
             final ShortcutInfo s1_3 = makeShortcut("s3");
 
@@ -2692,7 +2749,9 @@
                     /* icon =*/ null,
                     makeIntent(Intent.ACTION_ANSWER, ShortcutActivity.class,
                             "key1", "val1", "nest", makeBundle("key", 123)),
-                    /* weight */ 10);
+                    /* weight */ 10,
+                    /* chooserFilter=*/ null,
+                    /* chooserComponentNames=*/ null);
             assertTrue(mManager.setDynamicShortcuts(list(s2_1)));
         });
 
@@ -3110,7 +3169,9 @@
                     icon1,
                     makeIntent(Intent.ACTION_ASSIST, ShortcutActivity2.class,
                             "key1", "val1", "nest", makeBundle("key", 123)),
-                        /* weight */ 10);
+                        /* weight */ 10,
+                    /* chooserFilter=*/ null,
+                    /* chooserComponentNames=*/ null);
 
             final ShortcutInfo si2 = makeShortcut(
                     "s2",
@@ -3118,7 +3179,9 @@
                         /* activity */ null,
                     icon2,
                     makeIntent(Intent.ACTION_ASSIST, ShortcutActivity3.class),
-                        /* weight */ 12);
+                        /* weight */ 12,
+                    /* chooserFilter=*/ null,
+                    /* chooserComponentNames=*/ null);
 
             assertTrue(mManager.setDynamicShortcuts(list(si1, si2)));
 
@@ -3136,8 +3199,8 @@
                     makeComponent(ShortcutActivity.class),
                     icon1,
                     makeIntent(Intent.ACTION_ASSIST, ShortcutActivity2.class,
-                            "key1", "val1", "nest", makeBundle("key", 123)),
-                        /* weight */ 10);
+                            "key1", "val1", "nest", makeBundle("key", 123)), /* weight */ 10,
+                            /* chooserFilter=*/ null, /* chooserComponentNames=*/ null);
 
             final ShortcutInfo si2 = makeShortcut(
                     "s2",
@@ -3145,7 +3208,8 @@
                         /* activity */ null,
                     icon2,
                     makeIntent(Intent.ACTION_ASSIST, ShortcutActivity3.class),
-                        /* weight */ 12);
+                        /* weight */ 12, /* chooserFilter=*/ null,
+                        /* chooserComponentNames=*/ null);
 
             assertTrue(mManager.setDynamicShortcuts(list(si1, si2)));
 
@@ -3167,7 +3231,8 @@
                     icon1,
                     makeIntent(Intent.ACTION_ASSIST, ShortcutActivity2.class,
                             "key1", "val1", "nest", makeBundle("key", 123)),
-                        /* weight */ 10);
+                            /* weight */ 10, /* chooserFilter=*/ null,
+                            /* chooserComponentNames=*/ null);
 
             final ShortcutInfo si2 = makeShortcut(
                     "s2",
@@ -3175,7 +3240,8 @@
                         /* activity */ null,
                     icon2,
                     makeIntent(Intent.ACTION_ASSIST, ShortcutActivity3.class),
-                        /* weight */ 12);
+                            /* weight */ 12, /* chooserFilter=*/ null,
+                            /* chooserComponentNames=*/ null);
 
             assertTrue(mManager.setDynamicShortcuts(list(si1, si2)));
 
@@ -6800,10 +6866,12 @@
             mManager.setDynamicShortcuts(list(
                     makeShortcut("ms1", "title1",
                             new ComponentName(CALLING_PACKAGE_1, ShortcutActivity.class.getName()),
-                    /* icon */ null, new Intent("action1"), /* rank */ 0),
+                            /* icon */ null, new Intent("action1"), /* rank */ 0,
+                            /* chooserFilter=*/ null, /* chooserComponentNames=*/ null),
                     makeShortcut("ms2", "title2",
                             new ComponentName(CALLING_PACKAGE_1, ShortcutActivity.class.getName()),
-                    /* icon */ null, new Intent("action1"), /* rank */ 0)));
+                            /* icon */ null, new Intent("action1"), /* rank */ 0, /* chooserFilter=*/ null,
+                            /* chooserComponentNames=*/ null)));
         });
 
         runWithCaller(LAUNCHER_1, USER_0, () -> {
diff --git a/services/tests/servicestests/src/com/android/server/pm/ShortcutManagerTest2.java b/services/tests/servicestests/src/com/android/server/pm/ShortcutManagerTest2.java
index 28ec4fd..c54fa02 100644
--- a/services/tests/servicestests/src/com/android/server/pm/ShortcutManagerTest2.java
+++ b/services/tests/servicestests/src/com/android/server/pm/ShortcutManagerTest2.java
@@ -34,6 +34,7 @@
 import android.app.ActivityManager;
 import android.content.ComponentName;
 import android.content.Intent;
+import android.content.IntentFilter;
 import android.content.pm.ShortcutInfo;
 import android.content.res.Resources;
 import android.graphics.BitmapFactory;
@@ -93,11 +94,6 @@
 
         assertExpectException(
                 RuntimeException.class,
-                "intents cannot contain null",
-                () -> new ShortcutInfo.Builder(getTestContext(), "id").setIntent(null));
-
-        assertExpectException(
-                RuntimeException.class,
                 "action must be set",
                 () -> new ShortcutInfo.Builder(getTestContext(), "id").setIntent(new Intent()));
 
@@ -142,6 +138,19 @@
                 "disabledMessage cannot be empty",
                 () -> new ShortcutInfo.Builder(getTestContext(), "id").setDisabledMessage(""));
 
+
+        assertExpectException(
+                RuntimeException.class,
+                "component name cannot be null",
+                () -> new ShortcutInfo.Builder(getTestContext(), "id")
+                        .addChooserIntentFilter(new IntentFilter(Intent.ACTION_SEND), null));
+
+        assertExpectException(
+                RuntimeException.class,
+                "intent filter cannot be null",
+                () -> new ShortcutInfo.Builder(getTestContext(), "id")
+                        .addChooserIntentFilter(null, new ComponentName("xxx", "s")));
+
         assertExpectException(NullPointerException.class, "action must be set",
                 () -> new ShortcutInfo.Builder(getTestContext(), "id").setIntent(new Intent()));
 
@@ -240,6 +249,10 @@
 
         PersistableBundle pb = new PersistableBundle();
         pb.putInt("k", 1);
+        IntentFilter chooserFilter = new IntentFilter();
+        chooserFilter.addAction(Intent.ACTION_VIEW);
+        PersistableBundle pb2 = new PersistableBundle();
+        pb2.putInt("l", 1);
 
         si = new ShortcutInfo.Builder(getTestContext())
                 .setId("id")
@@ -252,6 +265,8 @@
                 .setCategories(set(ShortcutInfo.SHORTCUT_CATEGORY_CONVERSATION, "xyz"))
                 .setRank(123)
                 .setExtras(pb)
+                .addChooserIntentFilter(chooserFilter, new ComponentName("a", "b"))
+                .setChooserExtras(pb2)
                 .build();
         si.addFlags(ShortcutInfo.FLAG_PINNED);
         si.setBitmapPath("abc");
@@ -282,6 +297,12 @@
         assertEquals(null, si.getTextResName());
         assertEquals(0, si.getDisabledMessageResourceId());
         assertEquals(null, si.getDisabledMessageResName());
+
+        assertEquals(1, si.getChooserIntentFilters().length);
+        assertEquals(Intent.ACTION_VIEW, si.getChooserIntentFilters()[0].getAction(0));
+        assertEquals(1, si.getChooserComponentNames().length);
+        assertEquals(new ComponentName("a", "b"), si.getChooserComponentNames()[0]);
+        assertEquals(1, si.getChooserExtras().getInt("l"));
     }
 
     public void testShortcutInfoParcel_resId() {
@@ -290,6 +311,10 @@
 
         PersistableBundle pb = new PersistableBundle();
         pb.putInt("k", 1);
+        IntentFilter chooserFilter = new IntentFilter();
+        chooserFilter.addAction(Intent.ACTION_VIEW);
+        PersistableBundle pb2 = new PersistableBundle();
+        pb2.putInt("l", 1);
 
         si = new ShortcutInfo.Builder(getTestContext())
                 .setId("id")
@@ -302,6 +327,8 @@
                 .setCategories(set(ShortcutInfo.SHORTCUT_CATEGORY_CONVERSATION, "xyz"))
                 .setRank(123)
                 .setExtras(pb)
+                .addChooserIntentFilter(chooserFilter, new ComponentName("a", "b"))
+                .setChooserExtras(pb2)
                 .build();
         si.addFlags(ShortcutInfo.FLAG_PINNED);
         si.setBitmapPath("abc");
@@ -338,6 +365,11 @@
 
         PersistableBundle pb = new PersistableBundle();
         pb.putInt("k", 1);
+        IntentFilter chooserFilter = new IntentFilter();
+        chooserFilter.addAction(Intent.ACTION_VIEW);
+        PersistableBundle pb2 = new PersistableBundle();
+        pb2.putInt("l", 1);
+
         ShortcutInfo sorig = new ShortcutInfo.Builder(mClientContext)
                 .setId("id")
                 .setActivity(new ComponentName("a", "b"))
@@ -349,6 +381,8 @@
                 .setIntent(makeIntent("action", ShortcutActivity.class, "key", "val"))
                 .setRank(123)
                 .setExtras(pb)
+                .addChooserIntentFilter(chooserFilter, new ComponentName("a", "b"))
+                .setChooserExtras(pb2)
                 .build();
         sorig.addFlags(ShortcutInfo.FLAG_PINNED);
         sorig.setBitmapPath("abc");
@@ -378,6 +412,12 @@
         assertEquals(456, si.getIconResourceId());
         assertEquals("string/r456", si.getIconResName());
 
+        assertEquals(1, si.getChooserIntentFilters().length);
+        assertEquals(Intent.ACTION_VIEW, si.getChooserIntentFilters()[0].getAction(0));
+        assertEquals(1, si.getChooserComponentNames().length);
+        assertEquals(new ComponentName("a", "b"), si.getChooserComponentNames()[0]);
+        assertEquals(1, si.getChooserExtras().getInt("l"));
+
         si = sorig.clone(ShortcutInfo.CLONE_REMOVE_FOR_CREATOR);
 
         assertEquals(mClientContext.getPackageName(), si.getPackage());
@@ -445,6 +485,10 @@
 
         PersistableBundle pb = new PersistableBundle();
         pb.putInt("k", 1);
+        IntentFilter chooserFilter = new IntentFilter();
+        chooserFilter.addAction(Intent.ACTION_VIEW);
+        PersistableBundle pb2 = new PersistableBundle();
+        pb2.putInt("l", 1);
         ShortcutInfo sorig = new ShortcutInfo.Builder(mClientContext)
                 .setId("id")
                 .setActivity(new ComponentName("a", "b"))
@@ -456,6 +500,8 @@
                 .setIntent(makeIntent("action", ShortcutActivity.class, "key", "val"))
                 .setRank(123)
                 .setExtras(pb)
+                .addChooserIntentFilter(chooserFilter, new ComponentName("a", "b"))
+                .setChooserExtras(pb2)
                 .build();
         sorig.addFlags(ShortcutInfo.FLAG_PINNED);
         sorig.setBitmapPath("abc");
@@ -488,6 +534,12 @@
         assertEquals(456, si.getIconResourceId());
         assertEquals("string/r456", si.getIconResName());
 
+        assertEquals(1, si.getChooserIntentFilters().length);
+        assertEquals(Intent.ACTION_VIEW, si.getChooserIntentFilters()[0].getAction(0));
+        assertEquals(1, si.getChooserComponentNames().length);
+        assertEquals(new ComponentName("a", "b"), si.getChooserComponentNames()[0]);
+        assertEquals(1, si.getChooserExtras().getInt("l"));
+
         si = sorig.clone(ShortcutInfo.CLONE_REMOVE_FOR_CREATOR);
 
         assertEquals(mClientContext.getPackageName(), si.getPackage());
@@ -603,6 +655,10 @@
     public void testShortcutInfoCopyNonNullFieldsFrom() throws InterruptedException {
         PersistableBundle pb = new PersistableBundle();
         pb.putInt("k", 1);
+        IntentFilter chooserFilter = new IntentFilter();
+        chooserFilter.addAction(Intent.ACTION_VIEW);
+        PersistableBundle pb2 = new PersistableBundle();
+        pb2.putInt("l", 1);
         ShortcutInfo sorig = new ShortcutInfo.Builder(getTestContext())
                 .setId("id")
                 .setActivity(new ComponentName("a", "b"))
@@ -714,12 +770,12 @@
         assertEquals(999, si.getRank());
 
 
-        PersistableBundle pb2 = new PersistableBundle();
-        pb2.putInt("x", 99);
+        PersistableBundle pb3 = new PersistableBundle();
+        pb3.putInt("x", 99);
 
         si = sorig.clone(/* flags=*/ 0);
         si.copyNonNullFieldsFrom(new ShortcutInfo.Builder(getTestContext()).setId("id")
-                .setExtras(pb2).build());
+                .setExtras(pb3).build());
         assertEquals("text", si.getText());
         assertEquals(99, si.getExtras().getInt("x"));
     }
diff --git a/services/tests/servicestests/src/com/android/server/usage/AppIdleHistoryTests.java b/services/tests/servicestests/src/com/android/server/usage/AppIdleHistoryTests.java
index 0bd014c..42ddedf 100644
--- a/services/tests/servicestests/src/com/android/server/usage/AppIdleHistoryTests.java
+++ b/services/tests/servicestests/src/com/android/server/usage/AppIdleHistoryTests.java
@@ -45,12 +45,12 @@
         final int userId = 0;
         AppIdleHistory aih = new AppIdleHistory(mStorageDir, 0);
 
-        aih.updateDisplayLocked(true, /* elapsedRealtime= */ 1000);
-        aih.updateDisplayLocked(false, /* elapsedRealtime= */ 2000);
+        aih.updateDisplay(true, /* elapsedRealtime= */ 1000);
+        aih.updateDisplay(false, /* elapsedRealtime= */ 2000);
         // Screen On time file should be written right away
         assertTrue(aih.getScreenOnTimeFile().exists());
 
-        aih.writeAppIdleTimesLocked(userId);
+        aih.writeAppIdleTimes(userId);
         // stats file should be written now
         assertTrue(new File(new File(mStorageDir, "users/" + userId),
                 AppIdleHistory.APP_IDLE_FILENAME).exists());
@@ -58,43 +58,43 @@
 
     public void testScreenOnTime() {
         AppIdleHistory aih = new AppIdleHistory(mStorageDir, 1000);
-        aih.updateDisplayLocked(false, 2000);
-        assertEquals(aih.getScreenOnTimeLocked(2000), 0);
-        aih.updateDisplayLocked(true, 3000);
-        assertEquals(aih.getScreenOnTimeLocked(4000), 1000);
-        assertEquals(aih.getScreenOnTimeLocked(5000), 2000);
-        aih.updateDisplayLocked(false, 6000);
+        aih.updateDisplay(false, 2000);
+        assertEquals(aih.getScreenOnTime(2000), 0);
+        aih.updateDisplay(true, 3000);
+        assertEquals(aih.getScreenOnTime(4000), 1000);
+        assertEquals(aih.getScreenOnTime(5000), 2000);
+        aih.updateDisplay(false, 6000);
         // Screen on time should not keep progressing with screen is off
-        assertEquals(aih.getScreenOnTimeLocked(7000), 3000);
-        assertEquals(aih.getScreenOnTimeLocked(8000), 3000);
-        aih.writeAppIdleDurationsLocked();
+        assertEquals(aih.getScreenOnTime(7000), 3000);
+        assertEquals(aih.getScreenOnTime(8000), 3000);
+        aih.writeAppIdleDurations();
 
         // Check if the screen on time is persisted across instantiations
         AppIdleHistory aih2 = new AppIdleHistory(mStorageDir, 0);
-        assertEquals(aih2.getScreenOnTimeLocked(11000), 3000);
-        aih2.updateDisplayLocked(true, 4000);
-        aih2.updateDisplayLocked(false, 5000);
-        assertEquals(aih2.getScreenOnTimeLocked(13000), 4000);
+        assertEquals(aih2.getScreenOnTime(11000), 3000);
+        aih2.updateDisplay(true, 4000);
+        aih2.updateDisplay(false, 5000);
+        assertEquals(aih2.getScreenOnTime(13000), 4000);
     }
 
     public void testPackageEvents() {
         AppIdleHistory aih = new AppIdleHistory(mStorageDir, 1000);
         aih.setThresholds(4000, 1000);
-        aih.updateDisplayLocked(true, 1000);
+        aih.updateDisplay(true, 1000);
         // App is not-idle by default
-        assertFalse(aih.isIdleLocked(PACKAGE_1, 0, 1500));
+        assertFalse(aih.isIdle(PACKAGE_1, 0, 1500));
         // Still not idle
-        assertFalse(aih.isIdleLocked(PACKAGE_1, 0, 3000));
+        assertFalse(aih.isIdle(PACKAGE_1, 0, 3000));
         // Idle now
-        assertTrue(aih.isIdleLocked(PACKAGE_1, 0, 8000));
+        assertTrue(aih.isIdle(PACKAGE_1, 0, 8000));
         // Not idle
-        assertFalse(aih.isIdleLocked(PACKAGE_2, 0, 9000));
+        assertFalse(aih.isIdle(PACKAGE_2, 0, 9000));
 
         // Screen off
-        aih.updateDisplayLocked(false, 9100);
+        aih.updateDisplay(false, 9100);
         // Still idle after 10 seconds because screen hasn't been on long enough
-        assertFalse(aih.isIdleLocked(PACKAGE_2, 0, 20000));
-        aih.updateDisplayLocked(true, 21000);
-        assertTrue(aih.isIdleLocked(PACKAGE_2, 0, 23000));
+        assertFalse(aih.isIdle(PACKAGE_2, 0, 20000));
+        aih.updateDisplay(true, 21000);
+        assertTrue(aih.isIdle(PACKAGE_2, 0, 23000));
     }
 }
\ No newline at end of file
diff --git a/services/tests/shortcutmanagerutils/src/com/android/server/pm/shortcutmanagertest/ShortcutManagerTestUtils.java b/services/tests/shortcutmanagerutils/src/com/android/server/pm/shortcutmanagertest/ShortcutManagerTestUtils.java
index ea45bd1..fd335c3 100644
--- a/services/tests/shortcutmanagerutils/src/com/android/server/pm/shortcutmanagertest/ShortcutManagerTestUtils.java
+++ b/services/tests/shortcutmanagerutils/src/com/android/server/pm/shortcutmanagertest/ShortcutManagerTestUtils.java
@@ -508,6 +508,13 @@
         return actualShortcuts;
     }
 
+    public static List<ShortcutInfo> assertAllChooser(List<ShortcutInfo> actualShortcuts) {
+        for (ShortcutInfo s : actualShortcuts) {
+            assertTrue("ID " + s.getId(), s.isChooser());
+        }
+        return actualShortcuts;
+    }
+
     public static List<ShortcutInfo> assertAllPinned(List<ShortcutInfo> actualShortcuts) {
         for (ShortcutInfo s : actualShortcuts) {
             assertTrue("ID " + s.getId(), s.isPinned());
diff --git a/services/usage/java/com/android/server/usage/AppIdleHistory.java b/services/usage/java/com/android/server/usage/AppIdleHistory.java
index f69dae4..f298559 100644
--- a/services/usage/java/com/android/server/usage/AppIdleHistory.java
+++ b/services/usage/java/com/android/server/usage/AppIdleHistory.java
@@ -18,7 +18,6 @@
 
 import android.os.Environment;
 import android.os.SystemClock;
-import android.os.UserHandle;
 import android.util.ArrayMap;
 import android.util.AtomicFile;
 import android.util.Slog;
@@ -101,7 +100,7 @@
         mElapsedSnapshot = elapsedRealtime;
         mScreenOnSnapshot = elapsedRealtime;
         mStorageDir = storageDir;
-        readScreenOnTimeLocked();
+        readScreenOnTime();
     }
 
     public void setThresholds(long elapsedTimeThreshold, long screenOnTimeThreshold) {
@@ -109,7 +108,7 @@
         mScreenOnTimeThreshold = screenOnTimeThreshold;
     }
 
-    public void updateDisplayLocked(boolean screenOn, long elapsedRealtime) {
+    public void updateDisplay(boolean screenOn, long elapsedRealtime) {
         if (screenOn == mScreenOn) return;
 
         mScreenOn = screenOn;
@@ -122,7 +121,7 @@
         }
     }
 
-    public long getScreenOnTimeLocked(long elapsedRealtime) {
+    public long getScreenOnTime(long elapsedRealtime) {
         long screenOnTime = mScreenOnDuration;
         if (mScreenOn) {
             screenOnTime += elapsedRealtime - mScreenOnSnapshot;
@@ -135,7 +134,7 @@
         return new File(mStorageDir, "screen_on_time");
     }
 
-    private void readScreenOnTimeLocked() {
+    private void readScreenOnTime() {
         File screenOnTimeFile = getScreenOnTimeFile();
         if (screenOnTimeFile.exists()) {
             try {
@@ -146,11 +145,11 @@
             } catch (IOException | NumberFormatException e) {
             }
         } else {
-            writeScreenOnTimeLocked();
+            writeScreenOnTime();
         }
     }
 
-    private void writeScreenOnTimeLocked() {
+    private void writeScreenOnTime() {
         AtomicFile screenOnTimeFile = new AtomicFile(getScreenOnTimeFile());
         FileOutputStream fos = null;
         try {
@@ -166,30 +165,30 @@
     /**
      * To be called periodically to keep track of elapsed time when app idle times are written
      */
-    public void writeAppIdleDurationsLocked() {
+    public void writeAppIdleDurations() {
         final long elapsedRealtime = SystemClock.elapsedRealtime();
         // Only bump up and snapshot the elapsed time. Don't change screen on duration.
         mElapsedDuration += elapsedRealtime - mElapsedSnapshot;
         mElapsedSnapshot = elapsedRealtime;
-        writeScreenOnTimeLocked();
+        writeScreenOnTime();
     }
 
-    public void reportUsageLocked(String packageName, int userId, long elapsedRealtime) {
-        ArrayMap<String, PackageHistory> userHistory = getUserHistoryLocked(userId);
-        PackageHistory packageHistory = getPackageHistoryLocked(userHistory, packageName,
+    public void reportUsage(String packageName, int userId, long elapsedRealtime) {
+        ArrayMap<String, PackageHistory> userHistory = getUserHistory(userId);
+        PackageHistory packageHistory = getPackageHistory(userHistory, packageName,
                 elapsedRealtime);
 
         shiftHistoryToNow(userHistory, elapsedRealtime);
 
         packageHistory.lastUsedElapsedTime = mElapsedDuration
                 + (elapsedRealtime - mElapsedSnapshot);
-        packageHistory.lastUsedScreenTime = getScreenOnTimeLocked(elapsedRealtime);
+        packageHistory.lastUsedScreenTime = getScreenOnTime(elapsedRealtime);
         packageHistory.recent[HISTORY_SIZE - 1] = FLAG_LAST_STATE | FLAG_PARTIAL_ACTIVE;
     }
 
     public void setIdle(String packageName, int userId, long elapsedRealtime) {
-        ArrayMap<String, PackageHistory> userHistory = getUserHistoryLocked(userId);
-        PackageHistory packageHistory = getPackageHistoryLocked(userHistory, packageName,
+        ArrayMap<String, PackageHistory> userHistory = getUserHistory(userId);
+        PackageHistory packageHistory = getPackageHistory(userHistory, packageName,
                 elapsedRealtime);
 
         shiftHistoryToNow(userHistory, elapsedRealtime);
@@ -222,23 +221,23 @@
         mLastPeriod = thisPeriod;
     }
 
-    private ArrayMap<String, PackageHistory> getUserHistoryLocked(int userId) {
+    private ArrayMap<String, PackageHistory> getUserHistory(int userId) {
         ArrayMap<String, PackageHistory> userHistory = mIdleHistory.get(userId);
         if (userHistory == null) {
             userHistory = new ArrayMap<>();
             mIdleHistory.put(userId, userHistory);
-            readAppIdleTimesLocked(userId, userHistory);
+            readAppIdleTimes(userId, userHistory);
         }
         return userHistory;
     }
 
-    private PackageHistory getPackageHistoryLocked(ArrayMap<String, PackageHistory> userHistory,
+    private PackageHistory getPackageHistory(ArrayMap<String, PackageHistory> userHistory,
             String packageName, long elapsedRealtime) {
         PackageHistory packageHistory = userHistory.get(packageName);
         if (packageHistory == null) {
             packageHistory = new PackageHistory();
-            packageHistory.lastUsedElapsedTime = getElapsedTimeLocked(elapsedRealtime);
-            packageHistory.lastUsedScreenTime = getScreenOnTimeLocked(elapsedRealtime);
+            packageHistory.lastUsedElapsedTime = getElapsedTime(elapsedRealtime);
+            packageHistory.lastUsedScreenTime = getScreenOnTime(elapsedRealtime);
             userHistory.put(packageName, packageHistory);
         }
         return packageHistory;
@@ -248,41 +247,41 @@
         mIdleHistory.remove(userId);
     }
 
-    public boolean isIdleLocked(String packageName, int userId, long elapsedRealtime) {
-        ArrayMap<String, PackageHistory> userHistory = getUserHistoryLocked(userId);
+    public boolean isIdle(String packageName, int userId, long elapsedRealtime) {
+        ArrayMap<String, PackageHistory> userHistory = getUserHistory(userId);
         PackageHistory packageHistory =
-                getPackageHistoryLocked(userHistory, packageName, elapsedRealtime);
+                getPackageHistory(userHistory, packageName, elapsedRealtime);
         if (packageHistory == null) {
             return false; // Default to not idle
         } else {
-            return hasPassedThresholdsLocked(packageHistory, elapsedRealtime);
+            return hasPassedThresholds(packageHistory, elapsedRealtime);
         }
     }
 
-    private long getElapsedTimeLocked(long elapsedRealtime) {
+    private long getElapsedTime(long elapsedRealtime) {
         return (elapsedRealtime - mElapsedSnapshot + mElapsedDuration);
     }
 
-    public void setIdleLocked(String packageName, int userId, boolean idle, long elapsedRealtime) {
-        ArrayMap<String, PackageHistory> userHistory = getUserHistoryLocked(userId);
-        PackageHistory packageHistory = getPackageHistoryLocked(userHistory, packageName,
+    public void setIdle(String packageName, int userId, boolean idle, long elapsedRealtime) {
+        ArrayMap<String, PackageHistory> userHistory = getUserHistory(userId);
+        PackageHistory packageHistory = getPackageHistory(userHistory, packageName,
                 elapsedRealtime);
-        packageHistory.lastUsedElapsedTime = getElapsedTimeLocked(elapsedRealtime)
+        packageHistory.lastUsedElapsedTime = getElapsedTime(elapsedRealtime)
                 - mElapsedTimeThreshold;
-        packageHistory.lastUsedScreenTime = getScreenOnTimeLocked(elapsedRealtime)
+        packageHistory.lastUsedScreenTime = getScreenOnTime(elapsedRealtime)
                 - (idle ? mScreenOnTimeThreshold : 0) - 1000 /* just a second more */;
     }
 
-    public void clearUsageLocked(String packageName, int userId) {
-        ArrayMap<String, PackageHistory> userHistory = getUserHistoryLocked(userId);
+    public void clearUsage(String packageName, int userId) {
+        ArrayMap<String, PackageHistory> userHistory = getUserHistory(userId);
         userHistory.remove(packageName);
     }
 
-    private boolean hasPassedThresholdsLocked(PackageHistory packageHistory, long elapsedRealtime) {
+    private boolean hasPassedThresholds(PackageHistory packageHistory, long elapsedRealtime) {
         return (packageHistory.lastUsedScreenTime
-                    <= getScreenOnTimeLocked(elapsedRealtime) - mScreenOnTimeThreshold)
+                    <= getScreenOnTime(elapsedRealtime) - mScreenOnTimeThreshold)
                 && (packageHistory.lastUsedElapsedTime
-                        <= getElapsedTimeLocked(elapsedRealtime) - mElapsedTimeThreshold);
+                        <= getElapsedTime(elapsedRealtime) - mElapsedTimeThreshold);
     }
 
     private File getUserFile(int userId) {
@@ -290,7 +289,7 @@
                 Integer.toString(userId)), APP_IDLE_FILENAME);
     }
 
-    private void readAppIdleTimesLocked(int userId, ArrayMap<String, PackageHistory> userHistory) {
+    private void readAppIdleTimes(int userId, ArrayMap<String, PackageHistory> userHistory) {
         FileInputStream fis = null;
         try {
             AtomicFile appIdleFile = new AtomicFile(getUserFile(userId));
@@ -332,7 +331,7 @@
         }
     }
 
-    public void writeAppIdleTimesLocked(int userId) {
+    public void writeAppIdleTimes(int userId) {
         FileOutputStream fos = null;
         AtomicFile appIdleFile = new AtomicFile(getUserFile(userId));
         try {
@@ -346,7 +345,7 @@
 
             xml.startTag(null, TAG_PACKAGES);
 
-            ArrayMap<String,PackageHistory> userHistory = getUserHistoryLocked(userId);
+            ArrayMap<String,PackageHistory> userHistory = getUserHistory(userId);
             final int N = userHistory.size();
             for (int i = 0; i < N; i++) {
                 String packageName = userHistory.keyAt(i);
@@ -374,8 +373,8 @@
         idpw.increaseIndent();
         ArrayMap<String, PackageHistory> userHistory = mIdleHistory.get(userId);
         final long elapsedRealtime = SystemClock.elapsedRealtime();
-        final long totalElapsedTime = getElapsedTimeLocked(elapsedRealtime);
-        final long screenOnTime = getScreenOnTimeLocked(elapsedRealtime);
+        final long totalElapsedTime = getElapsedTime(elapsedRealtime);
+        final long screenOnTime = getScreenOnTime(elapsedRealtime);
         if (userHistory == null) return;
         final int P = userHistory.size();
         for (int p = 0; p < P; p++) {
@@ -386,15 +385,15 @@
             TimeUtils.formatDuration(totalElapsedTime - packageHistory.lastUsedElapsedTime, idpw);
             idpw.print(" lastUsedScreenOn=");
             TimeUtils.formatDuration(screenOnTime - packageHistory.lastUsedScreenTime, idpw);
-            idpw.print(" idle=" + (isIdleLocked(packageName, userId, elapsedRealtime) ? "y" : "n"));
+            idpw.print(" idle=" + (isIdle(packageName, userId, elapsedRealtime) ? "y" : "n"));
             idpw.println();
         }
         idpw.println();
         idpw.print("totalElapsedTime=");
-        TimeUtils.formatDuration(getElapsedTimeLocked(elapsedRealtime), idpw);
+        TimeUtils.formatDuration(getElapsedTime(elapsedRealtime), idpw);
         idpw.println();
         idpw.print("totalScreenOnTime=");
-        TimeUtils.formatDuration(getScreenOnTimeLocked(elapsedRealtime), idpw);
+        TimeUtils.formatDuration(getScreenOnTime(elapsedRealtime), idpw);
         idpw.println();
         idpw.decreaseIndent();
     }
@@ -410,7 +409,7 @@
             for (int i = 0; i < HISTORY_SIZE; i++) {
                 idpw.print(history[i] == 0 ? '.' : 'A');
             }
-            idpw.print(" idle=" + (isIdleLocked(packageName, userId, elapsedRealtime) ? "y" : "n"));
+            idpw.print(" idle=" + (isIdle(packageName, userId, elapsedRealtime) ? "y" : "n"));
             idpw.print("  " + packageName);
             idpw.println();
         }
diff --git a/services/usage/java/com/android/server/usage/UsageStatsService.java b/services/usage/java/com/android/server/usage/UsageStatsService.java
index 3c743b5..469a8f1 100644
--- a/services/usage/java/com/android/server/usage/UsageStatsService.java
+++ b/services/usage/java/com/android/server/usage/UsageStatsService.java
@@ -153,13 +153,17 @@
     private volatile boolean mPendingOneTimeCheckIdleStates;
     private boolean mSystemServicesReady = false;
 
-    @GuardedBy("mLock")
+    private final Object mAppIdleLock = new Object();
+    @GuardedBy("mAppIdleLock")
     private AppIdleHistory mAppIdleHistory;
 
+    @GuardedBy("mAppIdleLock")
     private ArrayList<UsageStatsManagerInternal.AppIdleStateChangeListener>
             mPackageAccessListeners = new ArrayList<>();
 
+    @GuardedBy("mAppIdleLock")
     private boolean mHaveCarrierPrivilegedApps;
+    @GuardedBy("mAppIdleLock")
     private List<String> mCarrierPrivilegedApps;
 
     public UsageStatsService(Context context) {
@@ -206,6 +210,8 @@
 
         synchronized (mLock) {
             cleanUpRemovedUsersLocked();
+        }
+        synchronized (mAppIdleLock) {
             mAppIdleHistory = new AppIdleHistory(SystemClock.elapsedRealtime());
         }
 
@@ -234,8 +240,8 @@
             mPowerManager = getContext().getSystemService(PowerManager.class);
 
             mDisplayManager.registerDisplayListener(mDisplayListener, mHandler);
-            synchronized (mLock) {
-                mAppIdleHistory.updateDisplayLocked(isDisplayOn(), SystemClock.elapsedRealtime());
+            synchronized (mAppIdleLock) {
+                mAppIdleHistory.updateDisplay(isDisplayOn(), SystemClock.elapsedRealtime());
             }
 
             if (mPendingOneTimeCheckIdleStates) {
@@ -324,8 +330,8 @@
         @Override public void onDisplayChanged(int displayId) {
             if (displayId == Display.DEFAULT_DISPLAY) {
                 final boolean displayOn = isDisplayOn();
-                synchronized (UsageStatsService.this.mLock) {
-                    mAppIdleHistory.updateDisplayLocked(displayOn, SystemClock.elapsedRealtime());
+                synchronized (UsageStatsService.this.mAppIdleLock) {
+                    mAppIdleHistory.updateDisplay(displayOn, SystemClock.elapsedRealtime());
                 }
             }
         }
@@ -386,18 +392,20 @@
                 PackageManager.MATCH_DISABLED_COMPONENTS,
                 userId);
         final int packageCount = packages.size();
-        for (int i = 0; i < packageCount; i++) {
-            final PackageInfo pi = packages.get(i);
-            String packageName = pi.packageName;
-            if (pi.applicationInfo != null && pi.applicationInfo.isSystemApp()) {
-                mAppIdleHistory.reportUsageLocked(packageName, userId, elapsedRealtime);
+        synchronized (mAppIdleLock) {
+            for (int i = 0; i < packageCount; i++) {
+                final PackageInfo pi = packages.get(i);
+                String packageName = pi.packageName;
+                if (pi.applicationInfo != null && pi.applicationInfo.isSystemApp()) {
+                    mAppIdleHistory.reportUsage(packageName, userId, elapsedRealtime);
+                }
             }
         }
     }
 
     void clearAppIdleForPackage(String packageName, int userId) {
-        synchronized (mLock) {
-            mAppIdleHistory.clearUsageLocked(packageName, userId);
+        synchronized (mAppIdleLock) {
+            mAppIdleHistory.clearUsage(packageName, userId);
         }
     }
 
@@ -429,7 +437,7 @@
     }
 
     void setChargingState(boolean charging) {
-        synchronized (mLock) {
+        synchronized (mAppIdleLock) {
             if (mCharging != charging) {
                 mCharging = charging;
                 postParoleStateChanged();
@@ -439,15 +447,16 @@
 
     /** Paroled here means temporary pardon from being inactive */
     void setAppIdleParoled(boolean paroled) {
-        synchronized (mLock) {
+        synchronized (mAppIdleLock) {
+            final long now = System.currentTimeMillis();
             if (mAppIdleTempParoled != paroled) {
                 mAppIdleTempParoled = paroled;
                 if (DEBUG) Slog.d(TAG, "Changing paroled to " + mAppIdleTempParoled);
                 if (paroled) {
                     postParoleEndTimeout();
                 } else {
-                    mLastAppIdleParoledTime = checkAndGetTimeLocked();
-                    postNextParoleTimeout();
+                    mLastAppIdleParoledTime = now;
+                    postNextParoleTimeout(now);
                 }
                 postParoleStateChanged();
             }
@@ -455,19 +464,18 @@
     }
 
     boolean isParoledOrCharging() {
-        synchronized (mLock) {
+        synchronized (mAppIdleLock) {
             return mAppIdleTempParoled || mCharging;
         }
     }
 
-    private void postNextParoleTimeout() {
+    private void postNextParoleTimeout(long now) {
         if (DEBUG) Slog.d(TAG, "Posting MSG_CHECK_PAROLE_TIMEOUT");
         mHandler.removeMessages(MSG_CHECK_PAROLE_TIMEOUT);
         // Compute when the next parole needs to happen. We check more frequently than necessary
         // since the message handler delays are based on elapsedRealTime and not wallclock time.
         // The comparison is done in wallclock time.
-        long timeLeft = (mLastAppIdleParoledTime + mAppIdleParoleIntervalMillis)
-                - checkAndGetTimeLocked();
+        long timeLeft = (mLastAppIdleParoledTime + mAppIdleParoleIntervalMillis) - now;
         if (timeLeft < 0) {
             timeLeft = 0;
         }
@@ -546,7 +554,7 @@
                 mHandler.sendMessage(mHandler.obtainMessage(MSG_INFORM_LISTENERS,
                         userId, isIdle ? 1 : 0, packageName));
                 if (isIdle) {
-                    synchronized (mLock) {
+                    synchronized (mAppIdleLock) {
                         mAppIdleHistory.setIdle(packageName, userId, elapsedRealtime);
                     }
                 }
@@ -561,18 +569,23 @@
 
     /** Check if it's been a while since last parole and let idle apps do some work */
     void checkParoleTimeout() {
-        synchronized (mLock) {
+        boolean setParoled = false;
+        synchronized (mAppIdleLock) {
+            final long now = System.currentTimeMillis();
             if (!mAppIdleTempParoled) {
-                final long timeSinceLastParole = checkAndGetTimeLocked() - mLastAppIdleParoledTime;
+                final long timeSinceLastParole = now - mLastAppIdleParoledTime;
                 if (timeSinceLastParole > mAppIdleParoleIntervalMillis) {
                     if (DEBUG) Slog.d(TAG, "Crossed default parole interval");
-                    setAppIdleParoled(true);
+                    setParoled = true;
                 } else {
                     if (DEBUG) Slog.d(TAG, "Not long enough to go to parole");
-                    postNextParoleTimeout();
+                    postNextParoleTimeout(now);
                 }
             }
         }
+        if (setParoled) {
+            setAppIdleParoled(true);
+        }
     }
 
     private void notifyBatteryStats(String packageName, int userId, boolean idle) {
@@ -593,17 +606,23 @@
     void onDeviceIdleModeChanged() {
         final boolean deviceIdle = mPowerManager.isDeviceIdleMode();
         if (DEBUG) Slog.i(TAG, "DeviceIdleMode changed to " + deviceIdle);
-        synchronized (mLock) {
-            final long timeSinceLastParole = checkAndGetTimeLocked() - mLastAppIdleParoledTime;
+        boolean paroled = false;
+        synchronized (mAppIdleLock) {
+            final long timeSinceLastParole = System.currentTimeMillis() - mLastAppIdleParoledTime;
             if (!deviceIdle
                     && timeSinceLastParole >= mAppIdleParoleIntervalMillis) {
-                if (DEBUG) Slog.i(TAG, "Bringing idle apps out of inactive state due to deviceIdleMode=false");
-                setAppIdleParoled(true);
+                if (DEBUG) {
+                    Slog.i(TAG, "Bringing idle apps out of inactive state due to deviceIdleMode=false");
+                }
+                paroled = true;
             } else if (deviceIdle) {
                 if (DEBUG) Slog.i(TAG, "Device idle, back to prison");
-                setAppIdleParoled(false);
+                paroled = false;
+            } else {
+                return;
             }
         }
+        setAppIdleParoled(paroled);
     }
 
     private static void deleteRecursively(File f) {
@@ -682,21 +701,24 @@
 
             final UserUsageStatsService service =
                     getUserDataAndInitializeIfNeededLocked(userId, timeNow);
-            // TODO: Ideally this should call isAppIdleFiltered() to avoid calling back
-            // about apps that are on some kind of whitelist anyway.
-            final boolean previouslyIdle = mAppIdleHistory.isIdleLocked(
-                    event.mPackage, userId, elapsedRealtime);
             service.reportEvent(event);
-            // Inform listeners if necessary
-            if ((event.mEventType == Event.MOVE_TO_FOREGROUND
-                    || event.mEventType == Event.MOVE_TO_BACKGROUND
-                    || event.mEventType == Event.SYSTEM_INTERACTION
-                    || event.mEventType == Event.USER_INTERACTION)) {
-                mAppIdleHistory.reportUsageLocked(event.mPackage, userId, elapsedRealtime);
-                if (previouslyIdle) {
-                    mHandler.sendMessage(mHandler.obtainMessage(MSG_INFORM_LISTENERS, userId,
-                            /* idle = */ 0, event.mPackage));
-                    notifyBatteryStats(event.mPackage, userId, false);
+
+            synchronized (mAppIdleLock) {
+                // TODO: Ideally this should call isAppIdleFiltered() to avoid calling back
+                // about apps that are on some kind of whitelist anyway.
+                final boolean previouslyIdle = mAppIdleHistory.isIdle(
+                        event.mPackage, userId, elapsedRealtime);
+                // Inform listeners if necessary
+                if ((event.mEventType == Event.MOVE_TO_FOREGROUND
+                        || event.mEventType == Event.MOVE_TO_BACKGROUND
+                        || event.mEventType == Event.SYSTEM_INTERACTION
+                        || event.mEventType == Event.USER_INTERACTION)) {
+                    mAppIdleHistory.reportUsage(event.mPackage, userId, elapsedRealtime);
+                    if (previouslyIdle) {
+                        mHandler.sendMessage(mHandler.obtainMessage(MSG_INFORM_LISTENERS, userId,
+                                /* idle = */ 0, event.mPackage));
+                        notifyBatteryStats(event.mPackage, userId, false);
+                    }
                 }
             }
         }
@@ -716,7 +738,7 @@
                     continue;
                 }
                 if (!packageName.equals(providerPkgName)) {
-                    forceIdleState(packageName, userId, false);
+                    setAppIdleAsync(packageName, false, userId);
                 }
             } catch (NameNotFoundException e) {
                 // Shouldn't happen
@@ -728,25 +750,28 @@
      * Forces the app's beginIdleTime and lastUsedTime to reflect idle or active. If idle,
      * then it rolls back the beginIdleTime and lastUsedTime to a point in time that's behind
      * the threshold for idle.
+     *
+     * This method is always called from the handler thread, so not much synchronization is
+     * required.
      */
     void forceIdleState(String packageName, int userId, boolean idle) {
         final int appId = getAppId(packageName);
         if (appId < 0) return;
-        synchronized (mLock) {
-            final long elapsedRealtime = SystemClock.elapsedRealtime();
+        final long elapsedRealtime = SystemClock.elapsedRealtime();
 
-            final boolean previouslyIdle = isAppIdleFiltered(packageName, appId,
-                    userId, elapsedRealtime);
-            mAppIdleHistory.setIdleLocked(packageName, userId, idle, elapsedRealtime);
-            final boolean stillIdle = isAppIdleFiltered(packageName, appId,
-                    userId, elapsedRealtime);
-            // Inform listeners if necessary
-            if (previouslyIdle != stillIdle) {
-                mHandler.sendMessage(mHandler.obtainMessage(MSG_INFORM_LISTENERS, userId,
-                        /* idle = */ stillIdle ? 1 : 0, packageName));
-                if (!stillIdle) {
-                    notifyBatteryStats(packageName, userId, idle);
-                }
+        final boolean previouslyIdle = isAppIdleFiltered(packageName, appId,
+                userId, elapsedRealtime);
+        synchronized (mAppIdleLock) {
+            mAppIdleHistory.setIdle(packageName, userId, idle, elapsedRealtime);
+        }
+        final boolean stillIdle = isAppIdleFiltered(packageName, appId,
+                userId, elapsedRealtime);
+        // Inform listeners if necessary
+        if (previouslyIdle != stillIdle) {
+            mHandler.sendMessage(mHandler.obtainMessage(MSG_INFORM_LISTENERS, userId,
+                    /* idle = */ stillIdle ? 1 : 0, packageName));
+            if (!stillIdle) {
+                notifyBatteryStats(packageName, userId, idle);
             }
         }
     }
@@ -767,7 +792,9 @@
         synchronized (mLock) {
             Slog.i(TAG, "Removing user " + userId + " and all data.");
             mUserState.remove(userId);
-            mAppIdleHistory.onUserRemoved(userId);
+            synchronized (mAppIdleLock) {
+                mAppIdleHistory.onUserRemoved(userId);
+            }
             cleanUpRemovedUsersLocked();
         }
     }
@@ -822,13 +849,13 @@
     }
 
     private boolean isAppIdleUnfiltered(String packageName, int userId, long elapsedRealtime) {
-        synchronized (mLock) {
-            return mAppIdleHistory.isIdleLocked(packageName, userId, elapsedRealtime);
+        synchronized (mAppIdleLock) {
+            return mAppIdleHistory.isIdle(packageName, userId, elapsedRealtime);
         }
     }
 
     void addListener(AppIdleStateChangeListener listener) {
-        synchronized (mLock) {
+        synchronized (mAppIdleLock) {
             if (!mPackageAccessListeners.contains(listener)) {
                 mPackageAccessListeners.add(listener);
             }
@@ -836,7 +863,7 @@
     }
 
     void removeListener(AppIdleStateChangeListener listener) {
-        synchronized (mLock) {
+        synchronized (mAppIdleLock) {
             mPackageAccessListeners.remove(listener);
         }
     }
@@ -988,7 +1015,7 @@
         return res;
     }
 
-    void setAppIdle(String packageName, boolean idle, int userId) {
+    void setAppIdleAsync(String packageName, boolean idle, int userId) {
         if (packageName == null) return;
 
         mHandler.obtainMessage(MSG_FORCE_IDLE_STATE, userId, idle ? 1 : 0, packageName)
@@ -1012,9 +1039,9 @@
     }
 
     private boolean isCarrierApp(String packageName) {
-        synchronized (mLock) {
+        synchronized (mAppIdleLock) {
             if (!mHaveCarrierPrivilegedApps) {
-                fetchCarrierPrivilegedAppsLocked();
+                fetchCarrierPrivilegedAppsLA();
             }
             if (mCarrierPrivilegedApps != null) {
                 return mCarrierPrivilegedApps.contains(packageName);
@@ -1027,13 +1054,14 @@
         if (DEBUG) {
             Slog.i(TAG, "Clearing carrier privileged apps list");
         }
-        synchronized (mLock) {
+        synchronized (mAppIdleLock) {
             mHaveCarrierPrivilegedApps = false;
             mCarrierPrivilegedApps = null; // Need to be refetched.
         }
     }
 
-    private void fetchCarrierPrivilegedAppsLocked() {
+    @GuardedBy("mAppIdleLock")
+    private void fetchCarrierPrivilegedAppsLA() {
         TelephonyManager telephonyManager =
                 getContext().getSystemService(TelephonyManager.class);
         mCarrierPrivilegedApps = telephonyManager.getPackagesWithCarrierPrivileges();
@@ -1071,11 +1099,15 @@
         for (int i = 0; i < userCount; i++) {
             UserUsageStatsService service = mUserState.valueAt(i);
             service.persistActiveStats();
-            mAppIdleHistory.writeAppIdleTimesLocked(mUserState.keyAt(i));
+            synchronized (mAppIdleLock) {
+                mAppIdleHistory.writeAppIdleTimes(mUserState.keyAt(i));
+            }
         }
         // Persist elapsed and screen on time. If this fails for whatever reason, the apps will be
         // considered not-idle, which is the safest outcome in such an event.
-        mAppIdleHistory.writeAppIdleDurationsLocked();
+        synchronized (mAppIdleLock) {
+            mAppIdleHistory.writeAppIdleDurations();
+        }
         mHandler.removeMessages(MSG_FLUSH_TO_DISK);
     }
 
@@ -1100,20 +1132,26 @@
                     idpw.println();
                     if (args.length > 0) {
                         if ("history".equals(args[0])) {
-                            mAppIdleHistory.dumpHistory(idpw, mUserState.keyAt(i));
+                            synchronized (mAppIdleLock) {
+                                mAppIdleHistory.dumpHistory(idpw, mUserState.keyAt(i));
+                            }
                         } else if ("flush".equals(args[0])) {
                             UsageStatsService.this.flushToDiskLocked();
                             pw.println("Flushed stats to disk");
                         }
                     }
                 }
-                mAppIdleHistory.dump(idpw, mUserState.keyAt(i));
+                synchronized (mAppIdleLock) {
+                    mAppIdleHistory.dump(idpw, mUserState.keyAt(i));
+                }
                 idpw.decreaseIndent();
             }
 
             pw.println();
-            pw.println("Carrier privileged apps (have=" + mHaveCarrierPrivilegedApps
-                    + "): " + mCarrierPrivilegedApps);
+            synchronized (mAppIdleLock) {
+                pw.println("Carrier privileged apps (have=" + mHaveCarrierPrivilegedApps
+                        + "): " + mCarrierPrivilegedApps);
+            }
 
             pw.println();
             pw.println("Settings:");
@@ -1252,7 +1290,7 @@
         }
 
         void updateSettings() {
-            synchronized (mLock) {
+            synchronized (mAppIdleLock) {
                 // Look at global settings for this.
                 // TODO: Maybe apply different thresholds for different users.
                 try {
@@ -1384,7 +1422,7 @@
             try {
                 userId = ActivityManager.getService().handleIncomingUser(
                         Binder.getCallingPid(), callingUid, userId, false, true,
-                        "setAppIdle", null);
+                        "setAppInactive", null);
             } catch (RemoteException re) {
                 throw re.rethrowFromSystemServer();
             }
@@ -1394,7 +1432,7 @@
             try {
                 final int appId = getAppId(packageName);
                 if (appId < 0) return;
-                UsageStatsService.this.setAppIdle(packageName, idle, userId);
+                UsageStatsService.this.setAppIdleAsync(packageName, idle, userId);
             } finally {
                 Binder.restoreCallingIdentity(token);
             }
@@ -1586,21 +1624,25 @@
         @Override
         public byte[] getBackupPayload(int user, String key) {
             // Check to ensure that only user 0's data is b/r for now
-            if (user == UserHandle.USER_SYSTEM) {
-                final UserUsageStatsService userStats =
-                        getUserDataAndInitializeIfNeededLocked(user, checkAndGetTimeLocked());
-                return userStats.getBackupPayload(key);
-            } else {
-                return null;
+            synchronized (UsageStatsService.this.mLock) {
+                if (user == UserHandle.USER_SYSTEM) {
+                    final UserUsageStatsService userStats =
+                            getUserDataAndInitializeIfNeededLocked(user, checkAndGetTimeLocked());
+                    return userStats.getBackupPayload(key);
+                } else {
+                    return null;
+                }
             }
         }
 
         @Override
         public void applyRestoredPayload(int user, String key, byte[] payload) {
-            if (user == UserHandle.USER_SYSTEM) {
-                final UserUsageStatsService userStats =
-                        getUserDataAndInitializeIfNeededLocked(user, checkAndGetTimeLocked());
-                userStats.applyRestoredPayload(key, payload);
+            synchronized (UsageStatsService.this.mLock) {
+                if (user == UserHandle.USER_SYSTEM) {
+                    final UserUsageStatsService userStats =
+                            getUserDataAndInitializeIfNeededLocked(user, checkAndGetTimeLocked());
+                    userStats.applyRestoredPayload(key, payload);
+                }
             }
         }
 
diff --git a/services/usage/java/com/android/server/usage/UserUsageStatsService.java b/services/usage/java/com/android/server/usage/UserUsageStatsService.java
index d9f352c..8d335a5 100644
--- a/services/usage/java/com/android/server/usage/UserUsageStatsService.java
+++ b/services/usage/java/com/android/server/usage/UserUsageStatsService.java
@@ -529,7 +529,6 @@
         pw.decreaseIndent();
 
         pw.println();
-        pw.increaseIndent();
         pw.println("ChooserCounts");
         pw.increaseIndent();
         for (UsageStats usageStats : pkgStats.values()) {
@@ -553,6 +552,7 @@
             }
             pw.println();
         }
+        pw.decreaseIndent();
 
         pw.println("configurations");
         pw.increaseIndent();
diff --git a/telecomm/java/android/telecom/VideoProfile.java b/telecomm/java/android/telecom/VideoProfile.java
index 216603c..e0e3a08 100644
--- a/telecomm/java/android/telecom/VideoProfile.java
+++ b/telecomm/java/android/telecom/VideoProfile.java
@@ -235,7 +235,7 @@
         StringBuilder sb = new StringBuilder();
         sb.append("Audio");
 
-        if (isAudioOnly(videoState)) {
+        if (videoState == STATE_AUDIO_ONLY) {
             sb.append(" Only");
         } else {
             if (isTransmissionEnabled(videoState)) {
@@ -256,6 +256,9 @@
 
     /**
      * Indicates whether the video state is audio only.
+     * <p>
+     * Note: Considers only whether either both the {@link #STATE_RX_ENABLED} or
+     * {@link #STATE_TX_ENABLED} bits are off, but not {@link #STATE_PAUSED}.
      *
      * @param videoState The video state.
      * @return {@code True} if the video state is audio only, {@code false} otherwise.
diff --git a/telephony/java/android/telephony/PhoneNumberUtils.java b/telephony/java/android/telephony/PhoneNumberUtils.java
index 6f51c6e..cc21b5e 100644
--- a/telephony/java/android/telephony/PhoneNumberUtils.java
+++ b/telephony/java/android/telephony/PhoneNumberUtils.java
@@ -1140,6 +1140,8 @@
 
     private static final String KOREA_ISO_COUNTRY_CODE = "KR";
 
+    private static final String JAPAN_ISO_COUNTRY_CODE = "JP";
+
     /**
      * Breaks the given number down and formats it according to the rules
      * for the country the number is from.
@@ -1460,15 +1462,25 @@
         String result = null;
         try {
             PhoneNumber pn = util.parseAndKeepRawInput(phoneNumber, defaultCountryIso);
-            /**
-             * Need to reformat any local Korean phone numbers (when the user is in Korea) with
-             * country code to corresponding national format which would replace the leading
-             * +82 with 0.
-             */
-            if (KOREA_ISO_COUNTRY_CODE.equals(defaultCountryIso) &&
+
+            if (KOREA_ISO_COUNTRY_CODE.equalsIgnoreCase(defaultCountryIso) &&
                     (pn.getCountryCode() == util.getCountryCodeForRegion(KOREA_ISO_COUNTRY_CODE)) &&
                     (pn.getCountryCodeSource() ==
                             PhoneNumber.CountryCodeSource.FROM_NUMBER_WITH_PLUS_SIGN)) {
+                /**
+                 * Need to reformat any local Korean phone numbers (when the user is in Korea) with
+                 * country code to corresponding national format which would replace the leading
+                 * +82 with 0.
+                 */
+                result = util.format(pn, PhoneNumberUtil.PhoneNumberFormat.NATIONAL);
+            } else if (JAPAN_ISO_COUNTRY_CODE.equalsIgnoreCase(defaultCountryIso) &&
+                    pn.getCountryCode() == util.getCountryCodeForRegion(JAPAN_ISO_COUNTRY_CODE) &&
+                    (pn.getCountryCodeSource() ==
+                            PhoneNumber.CountryCodeSource.FROM_NUMBER_WITH_PLUS_SIGN)) {
+                /**
+                 * Need to reformat Japanese phone numbers (when user is in Japan) with the national
+                 * dialing format.
+                 */
                 result = util.format(pn, PhoneNumberUtil.PhoneNumberFormat.NATIONAL);
             } else {
                 result = util.formatInOriginalFormat(pn, defaultCountryIso);
diff --git a/telephony/java/android/telephony/ims/ImsService.java b/telephony/java/android/telephony/ims/ImsService.java
index fe8dbfb..406f01e 100644
--- a/telephony/java/android/telephony/ims/ImsService.java
+++ b/telephony/java/android/telephony/ims/ImsService.java
@@ -41,6 +41,9 @@
 import com.android.ims.internal.IImsUt;
 import com.android.internal.annotations.VisibleForTesting;
 
+import static android.Manifest.permission.MODIFY_PHONE_STATE;
+import static android.Manifest.permission.READ_PHONE_STATE;
+
 /**
  * Main ImsService implementation, which binds via the Telephony ImsResolver. Services that extend
  * ImsService must register the service in their AndroidManifest to be detected by the framework.
@@ -94,6 +97,7 @@
         public void createImsFeature(int slotId, int feature, IImsFeatureStatusCallback c)
                 throws RemoteException {
             synchronized (mFeatures) {
+                enforceCallingOrSelfPermission(MODIFY_PHONE_STATE, "createImsFeature");
                 onCreateImsFeatureInternal(slotId, feature, c);
             }
         }
@@ -101,6 +105,7 @@
         @Override
         public void removeImsFeature(int slotId, int feature) throws RemoteException {
             synchronized (mFeatures) {
+                enforceCallingOrSelfPermission(MODIFY_PHONE_STATE, "removeImsFeature");
                 onRemoveImsFeatureInternal(slotId, feature);
             }
         }
@@ -108,6 +113,7 @@
         @Override
         public int startSession(int slotId, int featureType, PendingIntent incomingCallIntent,
                 IImsRegistrationListener listener) throws RemoteException {
+            enforceCallingOrSelfPermission(MODIFY_PHONE_STATE, "startSession");
             synchronized (mFeatures) {
                 MMTelFeature feature = resolveMMTelFeature(slotId, featureType);
                 if (feature != null) {
@@ -120,6 +126,7 @@
         @Override
         public void endSession(int slotId, int featureType, int sessionId) throws RemoteException {
             synchronized (mFeatures) {
+                enforceCallingOrSelfPermission(MODIFY_PHONE_STATE, "endSession");
                 MMTelFeature feature = resolveMMTelFeature(slotId, featureType);
                 if (feature != null) {
                     feature.endSession(sessionId);
@@ -130,6 +137,7 @@
         @Override
         public boolean isConnected(int slotId, int featureType, int callSessionType, int callType)
                 throws RemoteException {
+            enforceCallingOrSelfPermission(READ_PHONE_STATE, "isConnected");
             synchronized (mFeatures) {
                 MMTelFeature feature = resolveMMTelFeature(slotId, featureType);
                 if (feature != null) {
@@ -141,6 +149,7 @@
 
         @Override
         public boolean isOpened(int slotId, int featureType) throws RemoteException {
+            enforceCallingOrSelfPermission(READ_PHONE_STATE, "isOpened");
             synchronized (mFeatures) {
                 MMTelFeature feature = resolveMMTelFeature(slotId, featureType);
                 if (feature != null) {
@@ -152,6 +161,7 @@
 
         @Override
         public int getFeatureStatus(int slotId, int featureType) throws RemoteException {
+            enforceCallingOrSelfPermission(READ_PHONE_STATE, "getFeatureStatus");
             int status = ImsFeature.STATE_NOT_AVAILABLE;
             synchronized (mFeatures) {
                 SparseArray<ImsFeature> featureMap = mFeatures.get(slotId);
@@ -168,6 +178,7 @@
         @Override
         public void addRegistrationListener(int slotId, int featureType,
                 IImsRegistrationListener listener) throws RemoteException {
+            enforceCallingOrSelfPermission(READ_PHONE_STATE, "addRegistrationListener");
             synchronized (mFeatures) {
                 MMTelFeature feature = resolveMMTelFeature(slotId, featureType);
                 if (feature != null) {
@@ -179,6 +190,7 @@
         @Override
         public void removeRegistrationListener(int slotId, int featureType,
                 IImsRegistrationListener listener) throws RemoteException {
+            enforceCallingOrSelfPermission(READ_PHONE_STATE, "removeRegistrationListener");
             synchronized (mFeatures) {
                 MMTelFeature feature = resolveMMTelFeature(slotId, featureType);
                 if (feature != null) {
@@ -190,6 +202,7 @@
         @Override
         public ImsCallProfile createCallProfile(int slotId, int featureType, int sessionId,
                 int callSessionType, int callType) throws RemoteException {
+            enforceCallingOrSelfPermission(MODIFY_PHONE_STATE, "createCallProfile");
             synchronized (mFeatures) {
                 MMTelFeature feature = resolveMMTelFeature(slotId, featureType);
                 if (feature != null) {
@@ -202,6 +215,7 @@
         @Override
         public IImsCallSession createCallSession(int slotId, int featureType, int sessionId,
                 ImsCallProfile profile, IImsCallSessionListener listener) throws RemoteException {
+            enforceCallingOrSelfPermission(MODIFY_PHONE_STATE, "createCallSession");
             synchronized (mFeatures) {
                 MMTelFeature feature = resolveMMTelFeature(slotId, featureType);
                 if (feature != null) {
@@ -214,6 +228,7 @@
         @Override
         public IImsCallSession getPendingCallSession(int slotId, int featureType, int sessionId,
                 String callId) throws RemoteException {
+            enforceCallingOrSelfPermission(MODIFY_PHONE_STATE, "getPendingCallSession");
             synchronized (mFeatures) {
                 MMTelFeature feature = resolveMMTelFeature(slotId, featureType);
                 if (feature != null) {
@@ -226,6 +241,7 @@
         @Override
         public IImsUt getUtInterface(int slotId, int featureType)
                 throws RemoteException {
+            enforceCallingOrSelfPermission(MODIFY_PHONE_STATE, "getUtInterface");
             synchronized (mFeatures) {
                 MMTelFeature feature = resolveMMTelFeature(slotId, featureType);
                 if (feature != null) {
@@ -238,6 +254,7 @@
         @Override
         public IImsConfig getConfigInterface(int slotId, int featureType)
                 throws RemoteException {
+            enforceCallingOrSelfPermission(MODIFY_PHONE_STATE, "getConfigInterface");
             synchronized (mFeatures) {
                 MMTelFeature feature = resolveMMTelFeature(slotId, featureType);
                 if (feature != null) {
@@ -249,6 +266,7 @@
 
         @Override
         public void turnOnIms(int slotId, int featureType) throws RemoteException {
+            enforceCallingOrSelfPermission(MODIFY_PHONE_STATE, "turnOnIms");
             synchronized (mFeatures) {
                 MMTelFeature feature = resolveMMTelFeature(slotId, featureType);
                 if (feature != null) {
@@ -259,6 +277,7 @@
 
         @Override
         public void turnOffIms(int slotId, int featureType) throws RemoteException {
+            enforceCallingOrSelfPermission(MODIFY_PHONE_STATE, "turnOffIms");
             synchronized (mFeatures) {
                 MMTelFeature feature = resolveMMTelFeature(slotId, featureType);
                 if (feature != null) {
@@ -270,6 +289,7 @@
         @Override
         public IImsEcbm getEcbmInterface(int slotId, int featureType)
                 throws RemoteException {
+            enforceCallingOrSelfPermission(MODIFY_PHONE_STATE, "getEcbmInterface");
             synchronized (mFeatures) {
                 MMTelFeature feature = resolveMMTelFeature(slotId, featureType);
                 if (feature != null) {
@@ -282,6 +302,7 @@
         @Override
         public void setUiTTYMode(int slotId, int featureType, int uiTtyMode, Message onComplete)
                 throws RemoteException {
+            enforceCallingOrSelfPermission(MODIFY_PHONE_STATE, "setUiTTYMode");
             synchronized (mFeatures) {
                 MMTelFeature feature = resolveMMTelFeature(slotId, featureType);
                 if (feature != null) {
@@ -293,6 +314,7 @@
         @Override
         public IImsMultiEndpoint getMultiEndpointInterface(int slotId, int featureType)
                 throws RemoteException {
+            enforceCallingOrSelfPermission(MODIFY_PHONE_STATE, "getMultiEndpointInterface");
             synchronized (mFeatures) {
                 MMTelFeature feature = resolveMMTelFeature(slotId, featureType);
                 if (feature != null) {
diff --git a/telephony/java/com/android/internal/telephony/TelephonyIntents.java b/telephony/java/com/android/internal/telephony/TelephonyIntents.java
index dc8dfba..bcaac6e 100644
--- a/telephony/java/com/android/internal/telephony/TelephonyIntents.java
+++ b/telephony/java/com/android/internal/telephony/TelephonyIntents.java
@@ -270,7 +270,7 @@
      * Used in OMA-DM applications.
      */
     public static final String ACTION_FORBIDDEN_NO_SERVICE_AUTHORIZATION
-            = "android.intent.action.ACTION_FORBIDDEN_NO_SERVICE_AUTHORIZATION";
+            = "com.android.internal.intent.action.ACTION_FORBIDDEN_NO_SERVICE_AUTHORIZATION";
 
     /**
      * Broadcast Action: A "secret code" has been entered in the dialer. Secret codes are
diff --git a/tools/layoutlib/bridge/src/android/graphics/drawable/VectorDrawable_Delegate.java b/tools/layoutlib/bridge/src/android/graphics/drawable/VectorDrawable_Delegate.java
index 174bbcf..cc7631a 100644
--- a/tools/layoutlib/bridge/src/android/graphics/drawable/VectorDrawable_Delegate.java
+++ b/tools/layoutlib/bridge/src/android/graphics/drawable/VectorDrawable_Delegate.java
@@ -571,6 +571,8 @@
         @NonNull
         public Consumer<Float> getFloatPropertySetter(int propertyIdx) {
             switch (propertyIdx) {
+                case STROKE_WIDTH_INDEX:
+                    return this::setStrokeWidth;
                 case STROKE_ALPHA_INDEX:
                     return this::setStrokeAlpha;
                 case FILL_ALPHA_INDEX:
diff --git a/tools/layoutlib/bridge/tests/res/testApp/MyApplication/golden/allwidgets.png b/tools/layoutlib/bridge/tests/res/testApp/MyApplication/golden/allwidgets.png
index a53dcba..f15d669 100644
--- a/tools/layoutlib/bridge/tests/res/testApp/MyApplication/golden/allwidgets.png
+++ b/tools/layoutlib/bridge/tests/res/testApp/MyApplication/golden/allwidgets.png
Binary files differ
diff --git a/tools/layoutlib/bridge/tests/res/testApp/MyApplication/src/main/res/layout/allwidgets.xml b/tools/layoutlib/bridge/tests/res/testApp/MyApplication/src/main/res/layout/allwidgets.xml
index 05a3665..456b5f6 100644
--- a/tools/layoutlib/bridge/tests/res/testApp/MyApplication/src/main/res/layout/allwidgets.xml
+++ b/tools/layoutlib/bridge/tests/res/testApp/MyApplication/src/main/res/layout/allwidgets.xml
@@ -263,7 +263,8 @@
             android:id="@id/radioButton2"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:text="New RadioButton" />
+            android:text="New RadioButton"
+            android:checked="true" />
 
     </RadioGroup>
 
diff --git a/wifi/java/android/net/wifi/aware/DiscoverySession.java b/wifi/java/android/net/wifi/aware/DiscoverySession.java
index adf189b..57b98e9 100644
--- a/wifi/java/android/net/wifi/aware/DiscoverySession.java
+++ b/wifi/java/android/net/wifi/aware/DiscoverySession.java
@@ -31,8 +31,7 @@
  * {@link PublishDiscoverySession} and {@link SubscribeDiscoverySession}. This
  * class provides functionality common to both publish and subscribe discovery sessions:
  * <ul>
- *     <li>Sending messages: {@link #sendMessage(PeerHandle, int, byte[])} or
- *     {@link #sendMessage(PeerHandle, int, byte[], int)} methods.
+ *     <li>Sending messages: {@link #sendMessage(PeerHandle, int, byte[])}.
  *     <li>Creating a network-specifier when requesting a Aware connection:
  *     {@link #createNetworkSpecifier(PeerHandle, byte[])}.
  * </ul>
@@ -62,6 +61,8 @@
      * {@link #sendMessage(PeerHandle, int, byte[], int)}.
      *
      * @return Maximum retry count when sending messages.
+     *
+     * @hide
      */
     public static int getMaxSendRetryCount() {
         return MAX_SEND_RETRY_COUNT;
@@ -163,6 +164,8 @@
      *            or MAC level) retries should be attempted if there is no ACK from the receiver
      *            (note: no retransmissions are attempted in other failure cases). A value of 0
      *            indicates no retries. Max permitted value is {@link #getMaxSendRetryCount()}.
+     *
+     * @hide
      */
     public void sendMessage(@NonNull PeerHandle peerHandle, int messageId,
             @Nullable byte[] message, int retryCount) {
@@ -195,8 +198,6 @@
      * The peer will get a callback indicating a message was received using
      * {@link DiscoverySessionCallback#onMessageReceived(PeerHandle,
      * byte[])}.
-     * Equivalent to {@link #sendMessage(PeerHandle, int, byte[], int)}
-     * with a {@code retryCount} of 0.
      *
      * @param peerHandle The peer's handle for the message. Must be a result of an
      * {@link DiscoverySessionCallback#onServiceDiscovered(PeerHandle,
diff --git a/wifi/java/android/net/wifi/aware/DiscoverySessionCallback.java b/wifi/java/android/net/wifi/aware/DiscoverySessionCallback.java
index 33da182..9645b1d 100644
--- a/wifi/java/android/net/wifi/aware/DiscoverySessionCallback.java
+++ b/wifi/java/android/net/wifi/aware/DiscoverySessionCallback.java
@@ -124,10 +124,9 @@
     }
 
     /**
-     * Called when message transmission fails - when no ACK is received from the peer.
-     * Retries when ACKs are not received are done by hardware, MAC, and in the Aware stack (using
-     * the {@link DiscoverySession#sendMessage(PeerHandle, int,
-     * byte[], int)} method) - this event is received after all retries are exhausted.
+     * Called when message transmission initiated with
+     * {@link DiscoverySession#sendMessage(PeerHandle, int, byte[])} fails. E.g. when no ACK is
+     * received from the peer.
      * <p>
      * Note that either this callback or
      * {@link DiscoverySessionCallback#onMessageSendSucceeded(int)} will be received
@@ -141,9 +140,7 @@
 
     /**
      * Called when a message is received from a discovery session peer - in response to the
-     * peer's {@link DiscoverySession#sendMessage(PeerHandle, int,
-     * byte[])} or {@link DiscoverySession#sendMessage(PeerHandle,
-     * int, byte[], int)}.
+     * peer's {@link DiscoverySession#sendMessage(PeerHandle, int, byte[])}.
      *
      * @param peerHandle An opaque handle to the peer matching our discovery operation.
      * @param message A byte array containing the message.