Merge "Add klhyun@ to media OWNERS" am: 454029142c am: a7a67d17b6 am: 81d17f56dd
am: 7e94a44977

Change-Id: I455135cb4a17ab49285a5a38a3cd07fb2090e3e5
diff --git a/core/java/android/app/ActivityView.java b/core/java/android/app/ActivityView.java
index 3bf659b..2b4ff01 100644
--- a/core/java/android/app/ActivityView.java
+++ b/core/java/android/app/ActivityView.java
@@ -120,7 +120,10 @@
 
         mActivityTaskManager = ActivityTaskManager.getService();
         mSurfaceView = new SurfaceView(context);
-        mSurfaceView.setAlpha(0f);
+        // Since ActivityView#getAlpha has been overridden, we should use parent class's alpha
+        // as master to synchronize surface view's alpha value.
+        mSurfaceView.setAlpha(super.getAlpha());
+        mSurfaceView.setUseAlpha();
         mSurfaceCallback = new SurfaceCallback();
         mSurfaceView.getHolder().addCallback(mSurfaceCallback);
         addView(mSurfaceView);
@@ -347,9 +350,20 @@
         mSurfaceView.layout(0 /* left */, 0 /* top */, r - l /* right */, b - t /* bottom */);
     }
 
+    /**
+     * Sets the alpha value when the content of {@link SurfaceView} needs to show or hide.
+     * <p>Note: The surface view may ignore the alpha value in some cases. Refer to
+     * {@link SurfaceView#setAlpha} for more details.
+     *
+     * @param alpha The opacity of the view.
+     */
     @Override
     public void setAlpha(float alpha) {
-        mSurfaceView.setAlpha(alpha);
+        super.setAlpha(alpha);
+
+        if (mSurfaceView != null) {
+            mSurfaceView.setAlpha(alpha);
+        }
     }
 
     @Override
diff --git a/core/java/android/app/INotificationManager.aidl b/core/java/android/app/INotificationManager.aidl
index e57738f..9f51db8 100644
--- a/core/java/android/app/INotificationManager.aidl
+++ b/core/java/android/app/INotificationManager.aidl
@@ -108,6 +108,8 @@
     ParceledListSlice getNotificationChannelsBypassingDnd(String pkg, int userId);
     boolean isPackagePaused(String pkg);
 
+    void silenceNotificationSound();
+
     // TODO: Remove this when callers have been migrated to the equivalent
     // INotificationListener method.
     @UnsupportedAppUsage
diff --git a/core/java/android/app/NotificationManager.java b/core/java/android/app/NotificationManager.java
index dd39376..b13a34f 100644
--- a/core/java/android/app/NotificationManager.java
+++ b/core/java/android/app/NotificationManager.java
@@ -1095,6 +1095,25 @@
     }
 
     /**
+     * Silences the current notification sound, if ones currently playing.
+     * <p>
+     * It is intended to handle use-cases such as silencing a ringing call
+     * when the user presses the volume button during ringing.
+     * <p>
+     * If this method is called prior to when the notification begins playing, the sound will not be
+     * silenced.  As such it is not intended as a means to avoid playing of a sound.
+     * @hide
+     */
+    public void silenceNotificationSound() {
+        INotificationManager service = getService();
+        try {
+            service.silenceNotificationSound();
+        } catch (RemoteException e) {
+            throw e.rethrowFromSystemServer();
+        }
+    }
+
+    /**
      * Returns whether notifications from this package are temporarily hidden. This
      * could be done because the package was marked as distracting to the user via
      * {@code PackageManager#setDistractingPackageRestrictions(String[], int)} or because the
diff --git a/core/java/android/hardware/camera2/CameraMetadata.java b/core/java/android/hardware/camera2/CameraMetadata.java
index 5ac13d8..a0170da 100644
--- a/core/java/android/hardware/camera2/CameraMetadata.java
+++ b/core/java/android/hardware/camera2/CameraMetadata.java
@@ -206,10 +206,16 @@
                     continue;
                 }
 
-                if (filterTags == null || Arrays.binarySearch(filterTags,
-                        CameraMetadataNative.getTag(keyName, vendorId)) >= 0) {
+
+                if (filterTags != null && Arrays.binarySearch(filterTags,
+                        CameraMetadataNative.getTag(keyName, vendorId)) < 0) {
+                    // ignore vendor keys not in filterTags
+                    continue;
+                }
+                if (instance == null || instance.getProtected(k) != null)  {
                     keyList.add(k);
                 }
+
             }
         }
 
diff --git a/core/java/android/hardware/radio/TunerAdapter.java b/core/java/android/hardware/radio/TunerAdapter.java
index be2846f..aa5480a 100644
--- a/core/java/android/hardware/radio/TunerAdapter.java
+++ b/core/java/android/hardware/radio/TunerAdapter.java
@@ -271,6 +271,8 @@
             mCallback.setProgramListObserver(list, () -> {
                 try {
                     mTuner.stopProgramListUpdates();
+                } catch (IllegalStateException ex) {
+                    // it's fine to not stop updates if tuner is already closed
                 } catch (RemoteException ex) {
                     Log.e(TAG, "Couldn't stop program list updates", ex);
                 }
diff --git a/core/java/android/view/SurfaceView.java b/core/java/android/view/SurfaceView.java
index 254d04e..85ea3d3 100644
--- a/core/java/android/view/SurfaceView.java
+++ b/core/java/android/view/SurfaceView.java
@@ -100,6 +100,7 @@
 public class SurfaceView extends View implements ViewRootImpl.WindowStoppedCallback {
     private static final String TAG = "SurfaceView";
     private static final boolean DEBUG = false;
+    private static final boolean DEBUG_POSITION = false;
 
     @UnsupportedAppUsage
     final ArrayList<SurfaceHolder.Callback> mCallbacks
@@ -126,6 +127,7 @@
     // we need to preserve the old one until the new one has drawn.
     SurfaceControl mDeferredDestroySurfaceControl;
     SurfaceControl mBackgroundControl;
+    final Object mSurfaceControlLock = new Object();
     final Rect mTmpRect = new Rect();
     final Configuration mConfiguration = new Configuration();
 
@@ -173,6 +175,9 @@
     @UnsupportedAppUsage
     int mRequestedFormat = PixelFormat.RGB_565;
 
+    boolean mUseAlpha = false;
+    float mSurfaceAlpha = 1f;
+
     @UnsupportedAppUsage
     boolean mHaveFrame = false;
     boolean mSurfaceCreated = false;
@@ -200,6 +205,7 @@
     private int mPendingReportDraws;
 
     private SurfaceControl.Transaction mRtTransaction = new SurfaceControl.Transaction();
+    private SurfaceControl.Transaction mTmpTransaction = new SurfaceControl.Transaction();
 
     public SurfaceView(Context context) {
         this(context, null);
@@ -288,6 +294,152 @@
         updateSurface();
     }
 
+    /**
+     * Make alpha value of this view reflect onto the surface. This can only be called from at most
+     * one SurfaceView within a view tree.
+     *
+     * <p class="note"><strong>Note:</strong> Alpha value of the view is ignored and the underlying
+     * surface is rendered opaque by default.</p>
+     *
+     * @hide
+     */
+    public void setUseAlpha() {
+        if (!mUseAlpha) {
+            mUseAlpha = true;
+            updateSurfaceAlpha();
+        }
+    }
+
+    @Override
+    public void setAlpha(float alpha) {
+        // Sets the opacity of the view to a value, where 0 means the view is completely transparent
+        // and 1 means the view is completely opaque.
+        //
+        // Note: Alpha value of this view is ignored by default. To enable alpha blending, you need
+        // to call setUseAlpha() as well.
+        // This view doesn't support translucent opacity if the view is located z-below, since the
+        // logic to punch a hole in the view hierarchy cannot handle such case. See also
+        // #clearSurfaceViewPort(Canvas)
+        if (DEBUG) {
+            Log.d(TAG, System.identityHashCode(this)
+                    + " setAlpha: mUseAlpha = " + mUseAlpha + " alpha=" + alpha);
+        }
+        super.setAlpha(alpha);
+        updateSurfaceAlpha();
+    }
+
+    private float getFixedAlpha() {
+        // Compute alpha value to be set on the underlying surface.
+        final float alpha = getAlpha();
+        return mUseAlpha && (mSubLayer > 0 || alpha == 0f) ? alpha : 1f;
+    }
+
+    private void updateSurfaceAlpha() {
+        if (!mUseAlpha) {
+            if (DEBUG) {
+                Log.d(TAG, System.identityHashCode(this)
+                        + " updateSurfaceAlpha: setUseAlpha() is not called, ignored.");
+            }
+            return;
+        }
+        final float viewAlpha = getAlpha();
+        if (mSubLayer < 0 && 0f < viewAlpha && viewAlpha < 1f) {
+            Log.w(TAG, System.identityHashCode(this)
+                    + " updateSurfaceAlpha:"
+                    + " translucent color is not supported for a surface placed z-below.");
+        }
+        if (!mHaveFrame) {
+            if (DEBUG) {
+                Log.d(TAG, System.identityHashCode(this)
+                        + " updateSurfaceAlpha: has no surface.");
+            }
+            return;
+        }
+        final ViewRootImpl viewRoot = getViewRootImpl();
+        if (viewRoot == null) {
+            if (DEBUG) {
+                Log.d(TAG, System.identityHashCode(this)
+                        + " updateSurfaceAlpha: ViewRootImpl not available.");
+            }
+            return;
+        }
+        if (mSurfaceControl == null) {
+            if (DEBUG) {
+                Log.d(TAG, System.identityHashCode(this)
+                        + "updateSurfaceAlpha:"
+                        + " surface is not yet created, or already released.");
+            }
+            return;
+        }
+        final Surface parent = viewRoot.mSurface;
+        if (parent == null || !parent.isValid()) {
+            if (DEBUG) {
+                Log.d(TAG, System.identityHashCode(this)
+                        + " updateSurfaceAlpha: ViewRootImpl has no valid surface");
+            }
+            return;
+        }
+        final float alpha = getFixedAlpha();
+        if (alpha != mSurfaceAlpha) {
+            if (isHardwareAccelerated()) {
+                /*
+                 * Schedule a callback that reflects an alpha value onto the underlying surfaces.
+                 * This gets called on a RenderThread worker thread, so members accessed here must
+                 * be protected by a lock.
+                 */
+                viewRoot.registerRtFrameCallback(frame -> {
+                    try {
+                        final SurfaceControl.Transaction t = new SurfaceControl.Transaction();
+                        synchronized (mSurfaceControlLock) {
+                            if (!parent.isValid()) {
+                                if (DEBUG) {
+                                    Log.d(TAG, System.identityHashCode(this)
+                                            + " updateSurfaceAlpha RT:"
+                                            + " ViewRootImpl has no valid surface");
+                                }
+                                return;
+                            }
+                            if (mSurfaceControl == null) {
+                                if (DEBUG) {
+                                    Log.d(TAG, System.identityHashCode(this)
+                                            + "updateSurfaceAlpha RT:"
+                                            + " mSurfaceControl has already released");
+                                }
+                                return;
+                            }
+                            if (DEBUG) {
+                                Log.d(TAG, System.identityHashCode(this)
+                                        + " updateSurfaceAlpha RT: set alpha=" + alpha);
+                            }
+                            t.setAlpha(mSurfaceControl, alpha);
+                            t.deferTransactionUntilSurface(mSurfaceControl, parent, frame);
+                        }
+                        // It's possible that mSurfaceControl is released in the UI thread before
+                        // the transaction completes. If that happens, an exception is thrown, which
+                        // must be caught immediately.
+                        t.apply();
+                    } catch (Exception e) {
+                        Log.e(TAG, System.identityHashCode(this)
+                                + "updateSurfaceAlpha RT: Exception during surface transaction", e);
+                    }
+                });
+                damageInParent();
+            } else {
+                if (DEBUG) {
+                    Log.d(TAG, System.identityHashCode(this)
+                            + " updateSurfaceAlpha: set alpha=" + alpha);
+                }
+                SurfaceControl.openTransaction();
+                try {
+                    mSurfaceControl.setAlpha(alpha);
+                } finally {
+                    SurfaceControl.closeTransaction();
+                }
+            }
+            mSurfaceAlpha = alpha;
+        }
+    }
+
     private void performDrawFinished() {
         if (mPendingReportDraws > 0) {
             mDrawFinished = true;
@@ -337,11 +489,7 @@
         mRequestedVisible = false;
 
         updateSurface();
-        if (mSurfaceControl != null) {
-            mSurfaceControl.remove();
-        }
-        mSurfaceControl = null;
-
+        releaseSurfaces();
         mHaveFrame = false;
 
         super.onDetachedFromWindow();
@@ -510,15 +658,6 @@
         }
     }
 
-    private Rect getParentSurfaceInsets() {
-        final ViewRootImpl root = getViewRootImpl();
-        if (root == null) {
-            return null;
-        } else {
-            return root.mWindowAttributes.surfaceInsets;
-        }
-    }
-
     private void updateBackgroundVisibilityInTransaction(SurfaceControl viewRoot) {
         if (mBackgroundControl == null) {
             return;
@@ -532,23 +671,34 @@
     }
 
     private void releaseSurfaces() {
-        if (mSurfaceControl != null) {
-            mSurfaceControl.remove();
-            mSurfaceControl = null;
+        synchronized (mSurfaceControlLock) {
+            if (mSurfaceControl != null) {
+                mTmpTransaction.remove(mSurfaceControl);
+                mSurfaceControl = null;
+            }
+            if (mBackgroundControl != null) {
+                mTmpTransaction.remove(mBackgroundControl);
+                mBackgroundControl = null;
+            }
+            mTmpTransaction.apply();
         }
-        if (mBackgroundControl != null) {
-            mBackgroundControl.remove();
-            mBackgroundControl = null;
-        }
+        mSurfaceAlpha = 1f;
     }
 
     /** @hide */
     protected void updateSurface() {
         if (!mHaveFrame) {
+            if (DEBUG) {
+                Log.d(TAG, System.identityHashCode(this) + " updateSurface: has no frame");
+            }
             return;
         }
         ViewRootImpl viewRoot = getViewRootImpl();
         if (viewRoot == null || viewRoot.mSurface == null || !viewRoot.mSurface.isValid()) {
+            if (DEBUG) {
+                Log.d(TAG, System.identityHashCode(this)
+                        + " updateSurface: no valid surface");
+            }
             return;
         }
 
@@ -562,20 +712,25 @@
         int myHeight = mRequestedHeight;
         if (myHeight <= 0) myHeight = getHeight();
 
+        final float alpha = getFixedAlpha();
         final boolean formatChanged = mFormat != mRequestedFormat;
         final boolean visibleChanged = mVisible != mRequestedVisible;
+        final boolean alphaChanged = mSurfaceAlpha != alpha;
         final boolean creating = (mSurfaceControl == null || formatChanged || visibleChanged)
                 && mRequestedVisible;
         final boolean sizeChanged = mSurfaceWidth != myWidth || mSurfaceHeight != myHeight;
         final boolean windowVisibleChanged = mWindowVisibility != mLastWindowVisibility;
         boolean redrawNeeded = false;
 
-        if (creating || formatChanged || sizeChanged || visibleChanged || windowVisibleChanged) {
+        if (creating || formatChanged || sizeChanged || visibleChanged || (mUseAlpha
+                && alphaChanged) || windowVisibleChanged) {
             getLocationInWindow(mLocation);
 
             if (DEBUG) Log.i(TAG, System.identityHashCode(this) + " "
                     + "Changes: creating=" + creating
                     + " format=" + formatChanged + " size=" + sizeChanged
+                    + " visible=" + visibleChanged + " alpha=" + alphaChanged
+                    + " mUseAlpha=" + mUseAlpha
                     + " visible=" + visibleChanged
                     + " left=" + (mWindowSpaceLeft != mLocation[0])
                     + " top=" + (mWindowSpaceTop != mLocation[1]));
@@ -597,7 +752,7 @@
                     mTranslator.translateRectInAppWindowToScreen(mScreenRect);
                 }
 
-                final Rect surfaceInsets = getParentSurfaceInsets();
+                final Rect surfaceInsets = viewRoot.mWindowAttributes.surfaceInsets;
                 mScreenRect.offset(surfaceInsets.left, surfaceInsets.top);
 
                 if (creating) {
@@ -646,6 +801,10 @@
                             mSurfaceControl.hide();
                         }
                         updateBackgroundVisibilityInTransaction(viewRoot.getSurfaceControl());
+                        if (mUseAlpha) {
+                            mSurfaceControl.setAlpha(alpha);
+                            mSurfaceAlpha = alpha;
+                        }
 
                         // While creating the surface, we will set it's initial
                         // geometry. Outside of that though, we should generally
@@ -788,7 +947,6 @@
                     mIsCreating = false;
                     if (mSurfaceControl != null && !mSurfaceCreated) {
                         mSurface.release();
-
                         releaseSurfaces();
                     }
                 }
@@ -828,10 +986,13 @@
 
                 if (!isHardwareAccelerated() || !mRtHandlingPositionUpdates) {
                     try {
-                        if (DEBUG) Log.d(TAG, String.format("%d updateSurfacePosition UI, " +
-                                "postion = [%d, %d, %d, %d]", System.identityHashCode(this),
-                                mScreenRect.left, mScreenRect.top,
-                                mScreenRect.right, mScreenRect.bottom));
+                        if (DEBUG_POSITION) {
+                            Log.d(TAG, String.format("%d updateSurfacePosition UI, "
+                                            + "position = [%d, %d, %d, %d]",
+                                    System.identityHashCode(this),
+                                    mScreenRect.left, mScreenRect.top,
+                                    mScreenRect.right, mScreenRect.bottom));
+                        }
                         setParentSpaceRectangle(mScreenRect, -1);
                     } catch (Exception ex) {
                         Log.e(TAG, "Exception configuring surface", ex);
@@ -884,7 +1045,6 @@
         if (mViewVisibility) {
             mRtTransaction.show(surface);
         }
-
     }
 
     private void setParentSpaceRectangle(Rect position, long frameNumber) {
@@ -925,7 +1085,7 @@
                 return;
             }
             try {
-                if (DEBUG) {
+                if (DEBUG_POSITION) {
                     Log.d(TAG, String.format(
                             "%d updateSurfacePosition RenderWorker, frameNr = %d, "
                                     + "postion = [%d, %d, %d, %d]",
diff --git a/core/java/com/android/internal/util/XmlUtils.java b/core/java/com/android/internal/util/XmlUtils.java
index 344d7ef..8799e3d 100644
--- a/core/java/com/android/internal/util/XmlUtils.java
+++ b/core/java/com/android/internal/util/XmlUtils.java
@@ -26,6 +26,8 @@
 import android.util.Base64;
 import android.util.Xml;
 
+import libcore.util.HexEncoding;
+
 import org.xmlpull.v1.XmlPullParser;
 import org.xmlpull.v1.XmlPullParserException;
 import org.xmlpull.v1.XmlSerializer;
@@ -396,16 +398,7 @@
         final int N = val.length;
         out.attribute(null, "num", Integer.toString(N));
 
-        StringBuilder sb = new StringBuilder(val.length*2);
-        for (int i=0; i<N; i++) {
-            int b = val[i];
-            int h = (b >> 4) & 0x0f;
-            sb.append((char)(h >= 10 ? ('a'+h-10) : ('0'+h)));
-            h = b & 0x0f;
-            sb.append((char)(h >= 10 ? ('a'+h-10) : ('0'+h)));
-        }
-
-        out.text(sb.toString());
+        out.text(HexEncoding.encodeToString(val).toLowerCase());
 
         out.endTag(null, "byte-array");
     }
@@ -1032,7 +1025,9 @@
                     "Not a number in num attribute in byte-array");
         }
 
-        byte[] array = new byte[num];
+        // 0 len byte array does not have a text in the XML tag. So, initialize to 0 len array.
+        // For all other array lens, HexEncoding.decode() below overrides the array.
+        byte[] array = new byte[0];
 
         int eventType = parser.getEventType();
         do {
@@ -1043,16 +1038,7 @@
                         throw new XmlPullParserException(
                                 "Invalid value found in byte-array: " + values);
                     }
-                    // This is ugly, but keeping it to mirror the logic in #writeByteArrayXml.
-                    for (int i = 0; i < num; i ++) {
-                        char nibbleHighChar = values.charAt(2 * i);
-                        char nibbleLowChar = values.charAt(2 * i + 1);
-                        int nibbleHigh = nibbleHighChar > 'a' ? (nibbleHighChar - 'a' + 10)
-                                : (nibbleHighChar - '0');
-                        int nibbleLow = nibbleLowChar > 'a' ? (nibbleLowChar - 'a' + 10)
-                                : (nibbleLowChar - '0');
-                        array[i] = (byte) ((nibbleHigh & 0x0F) << 4 | (nibbleLow & 0x0F));
-                    }
+                    array = HexEncoding.decode(values);
                 }
             } else if (eventType == parser.END_TAG) {
                 if (parser.getName().equals(endTag)) {
diff --git a/core/tests/utiltests/src/com/android/internal/util/XmlUtilsTest.java b/core/tests/utiltests/src/com/android/internal/util/XmlUtilsTest.java
index 2596ece..27f3596 100644
--- a/core/tests/utiltests/src/com/android/internal/util/XmlUtilsTest.java
+++ b/core/tests/utiltests/src/com/android/internal/util/XmlUtilsTest.java
@@ -16,13 +16,22 @@
 
 package com.android.internal.util;
 
+import static org.junit.Assert.assertArrayEquals;
+
+import android.util.Xml;
+
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
 import java.io.InputStream;
+import java.nio.charset.StandardCharsets;
 import java.util.HashMap;
 import java.util.Map;
+
 import junit.framework.TestCase;
 
+import org.xmlpull.v1.XmlPullParser;
+import org.xmlpull.v1.XmlSerializer;
+
 public class XmlUtilsTest extends TestCase {
 
     // https://code.google.com/p/android/issues/detail?id=63717
@@ -38,4 +47,23 @@
         assertEquals("nullValue", deserialized.get(null));
         assertEquals("fooValue", deserialized.get("foo"));
     }
+
+    public void testreadWriteXmlByteArrayValue() throws Exception {
+        byte[] testByteArray = {0x1 , 0xa, 0xb, 0x9, 0x34, (byte) 0xaa, (byte) 0xba, (byte) 0x99};
+
+        ByteArrayOutputStream baos = new ByteArrayOutputStream(1024);
+        XmlSerializer serializer = new FastXmlSerializer();
+        serializer.setOutput(baos, StandardCharsets.UTF_8.name());
+        serializer.startDocument(null, true);
+        XmlUtils.writeValueXml(testByteArray,  "testByteArray", serializer);
+        serializer.endDocument();
+
+        InputStream bais = new ByteArrayInputStream(baos.toByteArray());
+        XmlPullParser pullParser = Xml.newPullParser();
+        pullParser.setInput(bais, StandardCharsets.UTF_8.name());
+        String[] name = new String[1];
+        byte[] testByteArrayDeserialized = (byte[]) XmlUtils.readValueXml(pullParser, name);
+        assertEquals("testByteArray", name[0]);
+        assertArrayEquals(testByteArray, testByteArrayDeserialized);
+    }
 }
diff --git a/media/jni/android_media_ImageWriter.cpp b/media/jni/android_media_ImageWriter.cpp
index cfcba76..7a0eeee 100644
--- a/media/jni/android_media_ImageWriter.cpp
+++ b/media/jni/android_media_ImageWriter.cpp
@@ -26,6 +26,7 @@
 
 #include <gui/IProducerListener.h>
 #include <gui/Surface.h>
+#include <ui/PublicFormat.h>
 #include <android_runtime/AndroidRuntime.h>
 #include <android_runtime/android_view_Surface.h>
 #include <android_runtime/android_hardware_HardwareBuffer.h>
@@ -126,7 +127,7 @@
             Condition mCondition;
             std::deque<wp<Surface>> mQueue;
 
-            static const nsecs_t kWaitDuration = 20000000; // 20 ms
+            static const nsecs_t kWaitDuration = 500000000; // 500 ms
         };
         sp<DetachThread> mThread;
 
@@ -401,8 +402,28 @@
             return 0;
         }
     } else {
+        // Set consumer buffer format to user specified format
+        PublicFormat publicFormat = static_cast<PublicFormat>(userFormat);
+        int nativeFormat = mapPublicFormatToHalFormat(publicFormat);
+        android_dataspace nativeDataspace = mapPublicFormatToHalDataspace(publicFormat);
+        res = native_window_set_buffers_format(anw.get(), nativeFormat);
+        if (res != OK) {
+            ALOGE("%s: Unable to configure consumer native buffer format to %#x",
+                    __FUNCTION__, nativeFormat);
+            jniThrowRuntimeException(env, "Failed to set Surface format");
+            return 0;
+        }
+
+        res = native_window_set_buffers_data_space(anw.get(), nativeDataspace);
+        if (res != OK) {
+            ALOGE("%s: Unable to configure consumer dataspace %#x",
+                    __FUNCTION__, nativeDataspace);
+            jniThrowRuntimeException(env, "Failed to set Surface dataspace");
+            return 0;
+        }
         surfaceFormat = userFormat;
     }
+
     ctx->setBufferFormat(surfaceFormat);
     env->SetIntField(thiz,
             gImageWriterClassInfo.mWriterFormat, reinterpret_cast<jint>(surfaceFormat));
diff --git a/packages/SystemUI/res/layout/keyguard_bottom_area.xml b/packages/SystemUI/res/layout/keyguard_bottom_area.xml
index 21c2c6b..1bfc4c0 100644
--- a/packages/SystemUI/res/layout/keyguard_bottom_area.xml
+++ b/packages/SystemUI/res/layout/keyguard_bottom_area.xml
@@ -24,48 +24,7 @@
     android:outlineProvider="none"
     android:elevation="5dp" > <!-- Put it above the status bar header -->
 
-    <LinearLayout
-        android:id="@+id/keyguard_indication_area"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:layout_marginBottom="@dimen/keyguard_indication_margin_bottom"
-        android:layout_gravity="bottom|center_horizontal"
-        android:orientation="horizontal">
-
-        <include layout="@layout/left_docked_overlay" />
-
-        <LinearLayout
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_weight="1"
-            android:layout_gravity="center_vertical|center_horizontal"
-            android:orientation="vertical">
-
-            <com.android.systemui.statusbar.phone.KeyguardIndicationTextView
-                android:id="@+id/keyguard_indication_enterprise_disclosure"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:gravity="center"
-                android:paddingStart="@dimen/keyguard_indication_text_padding"
-                android:paddingEnd="@dimen/keyguard_indication_text_padding"
-                android:textAppearance="@style/TextAppearance.Keyguard.BottomArea"
-                android:visibility="gone" />
-
-            <com.android.systemui.statusbar.phone.KeyguardIndicationTextView
-                android:id="@+id/keyguard_indication_text"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:gravity="center"
-                android:paddingStart="@dimen/keyguard_indication_text_padding"
-                android:paddingEnd="@dimen/keyguard_indication_text_padding"
-                android:textAppearance="@style/TextAppearance.Keyguard.BottomArea"
-                android:accessibilityLiveRegion="polite" />
-
-        </LinearLayout>
-
-        <include layout="@layout/right_docked_overlay" />
-
-    </LinearLayout>
+    <include layout="@layout/keyguard_indication_area_overlay" />
 
     <FrameLayout
         android:id="@+id/preview_container"
diff --git a/packages/SystemUI/res/layout/keyguard_indication_area_overlay.xml b/packages/SystemUI/res/layout/keyguard_indication_area_overlay.xml
new file mode 100644
index 0000000..cc30a68
--- /dev/null
+++ b/packages/SystemUI/res/layout/keyguard_indication_area_overlay.xml
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/keyguard_indication_area"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:layout_marginBottom="@dimen/keyguard_indication_margin_bottom"
+    android:layout_gravity="bottom|center_horizontal"
+    android:orientation="vertical">
+
+  <include layout="@layout/keyguard_indication_text_view" />
+
+</LinearLayout>
\ No newline at end of file
diff --git a/packages/SystemUI/res/layout/keyguard_indication_text_view.xml b/packages/SystemUI/res/layout/keyguard_indication_text_view.xml
new file mode 100644
index 0000000..2b2100c
--- /dev/null
+++ b/packages/SystemUI/res/layout/keyguard_indication_text_view.xml
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<merge xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <com.android.systemui.statusbar.phone.KeyguardIndicationTextView
+        android:id="@+id/keyguard_indication_enterprise_disclosure"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:gravity="center"
+        android:paddingStart="@dimen/keyguard_indication_text_padding"
+        android:paddingEnd="@dimen/keyguard_indication_text_padding"
+        android:textAppearance="@style/TextAppearance.Keyguard.BottomArea"
+        android:visibility="gone"/>
+
+    <com.android.systemui.statusbar.phone.KeyguardIndicationTextView
+        android:id="@+id/keyguard_indication_text"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:gravity="center"
+        android:paddingStart="@dimen/keyguard_indication_text_padding"
+        android:paddingEnd="@dimen/keyguard_indication_text_padding"
+        android:textAppearance="@style/TextAppearance.Keyguard.BottomArea"
+        android:accessibilityLiveRegion="polite"/>
+</merge>
\ No newline at end of file
diff --git a/packages/SystemUI/res/layout/left_docked_overlay.xml b/packages/SystemUI/res/layout/left_docked_overlay.xml
deleted file mode 100644
index 430143c..0000000
--- a/packages/SystemUI/res/layout/left_docked_overlay.xml
+++ /dev/null
@@ -1,19 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-  ~ Copyright (C) 2019 The Android Open Source Project
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~      http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-
-<!-- empty stub -->
-<merge />
diff --git a/packages/SystemUI/res/layout/right_docked_overlay.xml b/packages/SystemUI/res/layout/right_docked_overlay.xml
deleted file mode 100644
index 430143c..0000000
--- a/packages/SystemUI/res/layout/right_docked_overlay.xml
+++ /dev/null
@@ -1,19 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-  ~ Copyright (C) 2019 The Android Open Source Project
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~      http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-
-<!-- empty stub -->
-<merge />
diff --git a/packages/SystemUI/res/values/dimens.xml b/packages/SystemUI/res/values/dimens.xml
index bef1fc2..be815e1 100644
--- a/packages/SystemUI/res/values/dimens.xml
+++ b/packages/SystemUI/res/values/dimens.xml
@@ -385,22 +385,16 @@
     <!-- The width of the panel that holds the quick settings. -->
     <dimen name="qs_panel_width">@dimen/notification_panel_width</dimen>
 
-    <dimen name="volume_dialog_panel_transparent_padding_right">8dp</dimen>
+    <dimen name="volume_dialog_panel_transparent_padding_right">4dp</dimen>
 
     <dimen name="volume_dialog_panel_transparent_padding">20dp</dimen>
 
     <dimen name="volume_dialog_stream_padding">8dp</dimen>
 
-    <!-- the amount the volume panel should be offset at the end from the view next to it (or
-    the screen edge, in portrait-->
-    <dimen name="volume_dialog_base_margin">8dp</dimen>
-
     <dimen name="volume_dialog_panel_width">64dp</dimen>
 
     <dimen name="volume_dialog_slider_height">116dp</dimen>
 
-    <dimen name="volume_dialog_row_height">252dp</dimen>
-
     <dimen name="volume_dialog_ringer_size">64dp</dimen>
 
     <dimen name="volume_dialog_ringer_icon_padding">20dp</dimen>
@@ -417,8 +411,6 @@
 
     <dimen name="volume_dialog_row_margin_bottom">8dp</dimen>
 
-    <dimen name="volume_dialog_settings_icon_size">16dp</dimen>
-
     <dimen name="volume_dialog_elevation">9dp</dimen>
 
     <dimen name="volume_tool_tip_right_margin">76dp</dimen>
diff --git a/packages/SystemUI/res/values/strings.xml b/packages/SystemUI/res/values/strings.xml
index 7feacb4..fab7242 100644
--- a/packages/SystemUI/res/values/strings.xml
+++ b/packages/SystemUI/res/values/strings.xml
@@ -958,6 +958,9 @@
     <!-- Message shown when lock screen is tapped or face authentication fails. [CHAR LIMIT=60] -->
     <string name="keyguard_unlock">Swipe up to open</string>
 
+    <!-- Message shown when face authentication fails and the pin pad is visible. [CHAR LIMIT=60] -->
+    <string name="keyguard_retry">Swipe up to try again</string>
+
     <!-- Text on keyguard screen and in Quick Settings footer indicating that the device is enterprise-managed by a Device Owner [CHAR LIMIT=60] -->
     <string name="do_disclosure_generic">This device is managed by your organization</string>
 
diff --git a/packages/SystemUI/shared/src/com/android/systemui/shared/system/ActivityManagerWrapper.java b/packages/SystemUI/shared/src/com/android/systemui/shared/system/ActivityManagerWrapper.java
index 328116d..13fc702 100644
--- a/packages/SystemUI/shared/src/com/android/systemui/shared/system/ActivityManagerWrapper.java
+++ b/packages/SystemUI/shared/src/com/android/systemui/shared/system/ActivityManagerWrapper.java
@@ -236,7 +236,8 @@
 
                     @Override
                     public void onAnimationCanceled(boolean deferredWithScreenshot) {
-                        animationHandler.onAnimationCanceled(deferredWithScreenshot);
+                        animationHandler.onAnimationCanceled(
+                                deferredWithScreenshot ? new ThumbnailData() : null);
                     }
                 };
             }
diff --git a/packages/SystemUI/shared/src/com/android/systemui/shared/system/RecentsAnimationListener.java b/packages/SystemUI/shared/src/com/android/systemui/shared/system/RecentsAnimationListener.java
index 5850fda..579858a 100644
--- a/packages/SystemUI/shared/src/com/android/systemui/shared/system/RecentsAnimationListener.java
+++ b/packages/SystemUI/shared/src/com/android/systemui/shared/system/RecentsAnimationListener.java
@@ -18,6 +18,8 @@
 
 import android.graphics.Rect;
 
+import com.android.systemui.shared.recents.model.ThumbnailData;
+
 public interface RecentsAnimationListener {
 
     /**
@@ -29,5 +31,5 @@
     /**
      * Called when the animation into Recents was canceled. This call is made on the binder thread.
      */
-    void onAnimationCanceled(boolean deferredWithScreenshot);
+    void onAnimationCanceled(ThumbnailData thumbnailData);
 }
diff --git a/packages/SystemUI/src/com/android/keyguard/KeyguardAbsKeyInputView.java b/packages/SystemUI/src/com/android/keyguard/KeyguardAbsKeyInputView.java
index a4b6958..517abac 100644
--- a/packages/SystemUI/src/com/android/keyguard/KeyguardAbsKeyInputView.java
+++ b/packages/SystemUI/src/com/android/keyguard/KeyguardAbsKeyInputView.java
@@ -253,6 +253,7 @@
     protected void onUserInput() {
         if (mCallback != null) {
             mCallback.userActivity();
+            mCallback.onUserInput();
         }
         mSecurityMessageDisplay.setMessage("");
     }
diff --git a/packages/SystemUI/src/com/android/keyguard/KeyguardPatternView.java b/packages/SystemUI/src/com/android/keyguard/KeyguardPatternView.java
index 55ddfc3..56b38f7 100644
--- a/packages/SystemUI/src/com/android/keyguard/KeyguardPatternView.java
+++ b/packages/SystemUI/src/com/android/keyguard/KeyguardPatternView.java
@@ -274,6 +274,7 @@
         @Override
         public void onPatternCellAdded(List<LockPatternView.Cell> pattern) {
             mCallback.userActivity();
+            mCallback.onUserInput();
         }
 
         @Override
@@ -336,6 +337,7 @@
                     });
             if (pattern.size() > MIN_PATTERN_BEFORE_POKE_WAKELOCK) {
                 mCallback.userActivity();
+                mCallback.onUserInput();
             }
         }
 
diff --git a/packages/SystemUI/src/com/android/keyguard/KeyguardSecurityCallback.java b/packages/SystemUI/src/com/android/keyguard/KeyguardSecurityCallback.java
index cbfbffb..49dcfff 100644
--- a/packages/SystemUI/src/com/android/keyguard/KeyguardSecurityCallback.java
+++ b/packages/SystemUI/src/com/android/keyguard/KeyguardSecurityCallback.java
@@ -55,4 +55,9 @@
     default void onCancelClicked() {
         // No-op
     }
+
+    /**
+     * Invoked whenever users are typing their password or drawing a pattern.
+     */
+    void onUserInput();
 }
diff --git a/packages/SystemUI/src/com/android/keyguard/KeyguardSecurityContainer.java b/packages/SystemUI/src/com/android/keyguard/KeyguardSecurityContainer.java
index 8059dcf..169c97b 100644
--- a/packages/SystemUI/src/com/android/keyguard/KeyguardSecurityContainer.java
+++ b/packages/SystemUI/src/com/android/keyguard/KeyguardSecurityContainer.java
@@ -596,6 +596,11 @@
             }
         }
 
+        @Override
+        public void onUserInput() {
+            mUpdateMonitor.cancelFaceAuth();
+        }
+
         public void dismiss(boolean authenticated, int targetId) {
             mSecurityCallback.dismiss(authenticated, targetId);
         }
@@ -640,6 +645,8 @@
         @Override
         public void dismiss(boolean securityVerified, int targetUserId) { }
         @Override
+        public void onUserInput() { }
+        @Override
         public void reset() {}
     };
 
diff --git a/packages/SystemUI/src/com/android/keyguard/KeyguardUpdateMonitor.java b/packages/SystemUI/src/com/android/keyguard/KeyguardUpdateMonitor.java
index 109f270..72ad993 100644
--- a/packages/SystemUI/src/com/android/keyguard/KeyguardUpdateMonitor.java
+++ b/packages/SystemUI/src/com/android/keyguard/KeyguardUpdateMonitor.java
@@ -844,11 +844,6 @@
                     getCurrentUser());
         }
 
-        // The face timeout message is not very actionable, let's ask the user to
-        // manually retry.
-        if (msgId == FaceManager.FACE_ERROR_TIMEOUT) {
-            errString = mContext.getString(R.string.keyguard_unlock);
-        }
         for (int i = 0; i < mCallbacks.size(); i++) {
             KeyguardUpdateMonitorCallback cb = mCallbacks.get(i).get();
             if (cb != null) {
@@ -1646,6 +1641,13 @@
         updateFaceListeningState();
     }
 
+    /**
+     * In case face auth is running, cancel it.
+     */
+    public void cancelFaceAuth() {
+        stopListeningForFace();
+    }
+
     private void updateFaceListeningState() {
         // If this message exists, we should not authenticate again until this message is
         // consumed by the handler
diff --git a/packages/SystemUI/src/com/android/systemui/bubbles/BubbleExpandedView.java b/packages/SystemUI/src/com/android/systemui/bubbles/BubbleExpandedView.java
index 923ca20..de08a8c 100644
--- a/packages/SystemUI/src/com/android/systemui/bubbles/BubbleExpandedView.java
+++ b/packages/SystemUI/src/com/android/systemui/bubbles/BubbleExpandedView.java
@@ -182,7 +182,7 @@
 
         mActivityView = new ActivityView(mContext, null /* attrs */, 0 /* defStyle */,
                 true /* singleTaskInstance */);
-
+        // Set ActivityView's alpha value as zero, since there is no view content to be shown.
         setContentVisibility(false);
         addView(mActivityView);
 
diff --git a/packages/SystemUI/src/com/android/systemui/qs/tiles/CellularTile.java b/packages/SystemUI/src/com/android/systemui/qs/tiles/CellularTile.java
index 20069ea..4de42cc 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/tiles/CellularTile.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/tiles/CellularTile.java
@@ -40,8 +40,10 @@
 import com.android.systemui.R;
 import com.android.systemui.plugins.ActivityStarter;
 import com.android.systemui.plugins.qs.DetailAdapter;
+import com.android.systemui.plugins.qs.QSIconView;
 import com.android.systemui.plugins.qs.QSTile.SignalState;
 import com.android.systemui.qs.QSHost;
+import com.android.systemui.qs.SignalTileView;
 import com.android.systemui.qs.tileimpl.QSTileImpl;
 import com.android.systemui.statusbar.phone.SystemUIDialog;
 import com.android.systemui.statusbar.policy.NetworkController;
@@ -78,6 +80,11 @@
     }
 
     @Override
+    public QSIconView createTileView(Context context) {
+        return new SignalTileView(context);
+    }
+
+    @Override
     public DetailAdapter getDetailAdapter() {
         return mDetailAdapter;
     }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/KeyguardIndicationController.java b/packages/SystemUI/src/com/android/systemui/statusbar/KeyguardIndicationController.java
index 4be93df..bba64d9 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/KeyguardIndicationController.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/KeyguardIndicationController.java
@@ -562,11 +562,11 @@
             return;
         }
 
-        String message = mContext.getString(R.string.keyguard_unlock);
         if (mStatusBarKeyguardViewManager.isBouncerShowing()) {
+            String message = mContext.getString(R.string.keyguard_retry);
             mStatusBarKeyguardViewManager.showBouncerMessage(message, mInitialTextColorState);
         } else if (mKeyguardUpdateMonitor.isScreenOn()) {
-            showTransientIndication(message);
+            showTransientIndication(mContext.getString(R.string.keyguard_unlock));
             hideTransientIndicationDelayed(BaseKeyguardCallback.HIDE_DELAY_MS);
         }
     }
@@ -676,7 +676,11 @@
                 return;
             }
             animatePadlockError();
-            if (mStatusBarKeyguardViewManager.isBouncerShowing()) {
+            if (msgId == FaceManager.FACE_ERROR_TIMEOUT) {
+                // The face timeout message is not very actionable, let's ask the user to
+                // manually retry.
+                showSwipeUpToUnlock();
+            } else if (mStatusBarKeyguardViewManager.isBouncerShowing()) {
                 mStatusBarKeyguardViewManager.showBouncerMessage(errString, mInitialTextColorState);
             } else if (updateMonitor.isScreenOn()) {
                 showTransientIndication(errString);
diff --git a/packages/SystemUI/tools/lint/baseline.xml b/packages/SystemUI/tools/lint/baseline.xml
index 8c43222..096a639 100644
--- a/packages/SystemUI/tools/lint/baseline.xml
+++ b/packages/SystemUI/tools/lint/baseline.xml
@@ -2685,39 +2685,6 @@
 
     <issue
         id="UnusedResources"
-        message="The resource `R.dimen.volume_dialog_base_margin` appears to be unused"
-        errorLine1="    &lt;dimen name=&quot;volume_dialog_base_margin&quot;>8dp&lt;/dimen>"
-        errorLine2="           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~">
-        <location
-            file="res/values/dimens.xml"
-            line="308"
-            column="12"/>
-    </issue>
-
-    <issue
-        id="UnusedResources"
-        message="The resource `R.dimen.volume_dialog_row_height` appears to be unused"
-        errorLine1="    &lt;dimen name=&quot;volume_dialog_row_height&quot;>252dp&lt;/dimen>"
-        errorLine2="           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~">
-        <location
-            file="res/values/dimens.xml"
-            line="314"
-            column="12"/>
-    </issue>
-
-    <issue
-        id="UnusedResources"
-        message="The resource `R.dimen.volume_dialog_settings_icon_size` appears to be unused"
-        errorLine1="    &lt;dimen name=&quot;volume_dialog_settings_icon_size&quot;>16dp&lt;/dimen>"
-        errorLine2="           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~">
-        <location
-            file="res/values/dimens.xml"
-            line="328"
-            column="12"/>
-    </issue>
-
-    <issue
-        id="UnusedResources"
         message="The resource `R.dimen.carrier_label_height` appears to be unused"
         errorLine1="    &lt;dimen name=&quot;carrier_label_height&quot;>24dp&lt;/dimen>"
         errorLine2="           ~~~~~~~~~~~~~~~~~~~~~~~~~~~">
diff --git a/services/core/java/com/android/server/display/DisplayModeDirector.java b/services/core/java/com/android/server/display/DisplayModeDirector.java
index c45a314..7648636 100644
--- a/services/core/java/com/android/server/display/DisplayModeDirector.java
+++ b/services/core/java/com/android/server/display/DisplayModeDirector.java
@@ -680,6 +680,7 @@
         @Override
         public void onDisplayChanged(int displayId) {
             updateDisplayModes(displayId);
+            mBrightnessObserver.onDisplayChanged(displayId);
         }
 
         private void updateDisplayModes(int displayId) {
@@ -734,8 +735,6 @@
         private AmbientFilter mAmbientFilter;
 
         private final Context mContext;
-        private ScreenStateReceiver mScreenStateReceiver;
-
         // Enable light sensor only when screen is on, peak refresh rate enabled and low power mode
         // off. After initialization, these states will be updated from the same handler thread.
         private boolean mScreenOn = false;
@@ -793,11 +792,7 @@
                     mSensorManager = sensorManager;
                     mLightSensor = lightSensor;
 
-                    // Intent.ACTION_SCREEN_ON is not sticky. Check current screen status.
-                    if (mContext.getSystemService(PowerManager.class).isInteractive()) {
-                        onScreenOn(true);
-                    }
-                    mScreenStateReceiver = new ScreenStateReceiver(mContext);
+                    onScreenOn(isDefaultDisplayOn());
                 }
             }
 
@@ -822,6 +817,12 @@
             }
         }
 
+        public void onDisplayChanged(int displayId) {
+            if (displayId == Display.DEFAULT_DISPLAY) {
+                onScreenOn(isDefaultDisplayOn());
+            }
+        }
+
         public void dumpLocked(PrintWriter pw) {
             pw.println("  BrightnessObserver");
 
@@ -891,8 +892,6 @@
         }
 
         private void onScreenOn(boolean on) {
-            // Not check mShouldObserveAmbientChange because Screen status receiver is registered
-            // only when it is true.
             if (mScreenOn != on) {
                 mScreenOn = on;
                 updateSensorStatus();
@@ -913,6 +912,13 @@
             }
         }
 
+        private boolean isDefaultDisplayOn() {
+            final Display display = mContext.getSystemService(DisplayManager.class)
+                    .getDisplay(Display.DEFAULT_DISPLAY);
+            return display.getState() != Display.STATE_OFF
+                    && mContext.getSystemService(PowerManager.class).isInteractive();
+        }
+
         private final class LightSensorEventListener implements SensorEventListener {
             final private static int INJECT_EVENTS_INTERVAL_MS = LIGHT_SENSOR_RATE_MS;
             private float mLastSensorData;
@@ -991,20 +997,5 @@
                 }
             };
         };
-
-        private final class ScreenStateReceiver extends BroadcastReceiver {
-            public ScreenStateReceiver(Context context) {
-                IntentFilter filter = new IntentFilter();
-                filter.addAction(Intent.ACTION_SCREEN_OFF);
-                filter.addAction(Intent.ACTION_SCREEN_ON);
-                filter.setPriority(IntentFilter.SYSTEM_HIGH_PRIORITY);
-                context.registerReceiver(this, filter, null, mHandler);
-            }
-
-            @Override
-            public void onReceive(Context context, Intent intent) {
-                onScreenOn(Intent.ACTION_SCREEN_ON.equals(intent.getAction()));
-            }
-        }
     }
 }
diff --git a/services/core/java/com/android/server/notification/ManagedServices.java b/services/core/java/com/android/server/notification/ManagedServices.java
index 4a6eb27..4828bbf 100644
--- a/services/core/java/com/android/server/notification/ManagedServices.java
+++ b/services/core/java/com/android/server/notification/ManagedServices.java
@@ -196,18 +196,20 @@
 
     public void dump(PrintWriter pw, DumpFilter filter) {
         pw.println("    Allowed " + getCaption() + "s:");
-        final int N = mApproved.size();
-        for (int i = 0 ; i < N; i++) {
-            final int userId = mApproved.keyAt(i);
-            final ArrayMap<Boolean, ArraySet<String>> approvedByType = mApproved.valueAt(i);
-            if (approvedByType != null) {
-                final int M = approvedByType.size();
-                for (int j = 0; j < M; j++) {
-                    final boolean isPrimary = approvedByType.keyAt(j);
-                    final ArraySet<String> approved = approvedByType.valueAt(j);
-                    if (approvedByType != null && approvedByType.size() > 0) {
-                        pw.println("      " + String.join(ENABLED_SERVICES_SEPARATOR, approved)
-                                + " (user: " + userId + " isPrimary: " + isPrimary + ")");
+        synchronized (mApproved) {
+            final int N = mApproved.size();
+            for (int i = 0; i < N; i++) {
+                final int userId = mApproved.keyAt(i);
+                final ArrayMap<Boolean, ArraySet<String>> approvedByType = mApproved.valueAt(i);
+                if (approvedByType != null) {
+                    final int M = approvedByType.size();
+                    for (int j = 0; j < M; j++) {
+                        final boolean isPrimary = approvedByType.keyAt(j);
+                        final ArraySet<String> approved = approvedByType.valueAt(j);
+                        if (approvedByType != null && approvedByType.size() > 0) {
+                            pw.println("      " + String.join(ENABLED_SERVICES_SEPARATOR, approved)
+                                    + " (user: " + userId + " isPrimary: " + isPrimary + ")");
+                        }
                     }
                 }
             }
@@ -240,23 +242,25 @@
 
     public void dump(ProtoOutputStream proto, DumpFilter filter) {
         proto.write(ManagedServicesProto.CAPTION, getCaption());
-        final int N = mApproved.size();
-        for (int i = 0 ; i < N; i++) {
-            final int userId = mApproved.keyAt(i);
-            final ArrayMap<Boolean, ArraySet<String>> approvedByType = mApproved.valueAt(i);
-            if (approvedByType != null) {
-                final int M = approvedByType.size();
-                for (int j = 0; j < M; j++) {
-                    final boolean isPrimary = approvedByType.keyAt(j);
-                    final ArraySet<String> approved = approvedByType.valueAt(j);
-                    if (approvedByType != null && approvedByType.size() > 0) {
-                        final long sToken = proto.start(ManagedServicesProto.APPROVED);
-                        for (String s : approved) {
-                            proto.write(ServiceProto.NAME, s);
+        synchronized (mApproved) {
+            final int N = mApproved.size();
+            for (int i = 0; i < N; i++) {
+                final int userId = mApproved.keyAt(i);
+                final ArrayMap<Boolean, ArraySet<String>> approvedByType = mApproved.valueAt(i);
+                if (approvedByType != null) {
+                    final int M = approvedByType.size();
+                    for (int j = 0; j < M; j++) {
+                        final boolean isPrimary = approvedByType.keyAt(j);
+                        final ArraySet<String> approved = approvedByType.valueAt(j);
+                        if (approvedByType != null && approvedByType.size() > 0) {
+                            final long sToken = proto.start(ManagedServicesProto.APPROVED);
+                            for (String s : approved) {
+                                proto.write(ServiceProto.NAME, s);
+                            }
+                            proto.write(ServiceProto.USER_ID, userId);
+                            proto.write(ServiceProto.IS_PRIMARY, isPrimary);
+                            proto.end(sToken);
                         }
-                        proto.write(ServiceProto.USER_ID, userId);
-                        proto.write(ServiceProto.IS_PRIMARY, isPrimary);
-                        proto.end(sToken);
                     }
                 }
             }
@@ -315,33 +319,36 @@
             trimApprovedListsAccordingToInstalledServices(userId);
         }
 
-        final int N = mApproved.size();
-        for (int i = 0 ; i < N; i++) {
-            final int approvedUserId = mApproved.keyAt(i);
-            if (forBackup && approvedUserId != userId) {
-                continue;
-            }
-            final ArrayMap<Boolean, ArraySet<String>> approvedByType = mApproved.valueAt(i);
-            if (approvedByType != null) {
-                final int M = approvedByType.size();
-                for (int j = 0; j < M; j++) {
-                    final boolean isPrimary = approvedByType.keyAt(j);
-                    final Set<String> approved = approvedByType.valueAt(j);
-                    if (approved != null) {
-                        String allowedItems = String.join(ENABLED_SERVICES_SEPARATOR, approved);
-                        out.startTag(null, TAG_MANAGED_SERVICES);
-                        out.attribute(null, ATT_APPROVED_LIST, allowedItems);
-                        out.attribute(null, ATT_USER_ID, Integer.toString(approvedUserId));
-                        out.attribute(null, ATT_IS_PRIMARY, Boolean.toString(isPrimary));
-                        writeExtraAttributes(out, approvedUserId);
-                        out.endTag(null, TAG_MANAGED_SERVICES);
+        synchronized (mApproved) {
+            final int N = mApproved.size();
+            for (int i = 0; i < N; i++) {
+                final int approvedUserId = mApproved.keyAt(i);
+                if (forBackup && approvedUserId != userId) {
+                    continue;
+                }
+                final ArrayMap<Boolean, ArraySet<String>> approvedByType = mApproved.valueAt(i);
+                if (approvedByType != null) {
+                    final int M = approvedByType.size();
+                    for (int j = 0; j < M; j++) {
+                        final boolean isPrimary = approvedByType.keyAt(j);
+                        final Set<String> approved = approvedByType.valueAt(j);
+                        if (approved != null) {
+                            String allowedItems = String.join(ENABLED_SERVICES_SEPARATOR, approved);
+                            out.startTag(null, TAG_MANAGED_SERVICES);
+                            out.attribute(null, ATT_APPROVED_LIST, allowedItems);
+                            out.attribute(null, ATT_USER_ID, Integer.toString(approvedUserId));
+                            out.attribute(null, ATT_IS_PRIMARY, Boolean.toString(isPrimary));
+                            writeExtraAttributes(out, approvedUserId);
+                            out.endTag(null, TAG_MANAGED_SERVICES);
 
-                        if (!forBackup && isPrimary) {
-                            // Also write values to settings, for observers who haven't migrated yet
-                            Settings.Secure.putStringForUser(mContext.getContentResolver(),
-                                    getConfig().secureSettingName, allowedItems, approvedUserId);
+                            if (!forBackup && isPrimary) {
+                                // Also write values to settings, for observers who haven't migrated yet
+                                Settings.Secure.putStringForUser(mContext.getContentResolver(),
+                                        getConfig().secureSettingName, allowedItems,
+                                        approvedUserId);
+                            }
+
                         }
-
                     }
                 }
             }
@@ -440,23 +447,25 @@
         if (TextUtils.isEmpty(approved)) {
             approved = "";
         }
-        ArrayMap<Boolean, ArraySet<String>> approvedByType = mApproved.get(userId);
-        if (approvedByType == null) {
-            approvedByType = new ArrayMap<>();
-            mApproved.put(userId, approvedByType);
-        }
+        synchronized (mApproved) {
+            ArrayMap<Boolean, ArraySet<String>> approvedByType = mApproved.get(userId);
+            if (approvedByType == null) {
+                approvedByType = new ArrayMap<>();
+                mApproved.put(userId, approvedByType);
+            }
 
-        ArraySet<String> approvedList = approvedByType.get(isPrimary);
-        if (approvedList == null) {
-            approvedList = new ArraySet<>();
-            approvedByType.put(isPrimary, approvedList);
-        }
+            ArraySet<String> approvedList = approvedByType.get(isPrimary);
+            if (approvedList == null) {
+                approvedList = new ArraySet<>();
+                approvedByType.put(isPrimary, approvedList);
+            }
 
-        String[] approvedArray = approved.split(ENABLED_SERVICES_SEPARATOR);
-        for (String pkgOrComponent : approvedArray) {
-            String approvedItem = getApprovedValue(pkgOrComponent);
-            if (approvedItem != null) {
-                approvedList.add(approvedItem);
+            String[] approvedArray = approved.split(ENABLED_SERVICES_SEPARATOR);
+            for (String pkgOrComponent : approvedArray) {
+                String approvedItem = getApprovedValue(pkgOrComponent);
+                if (approvedItem != null) {
+                    approvedList.add(approvedItem);
+                }
             }
         }
     }
@@ -469,23 +478,25 @@
             boolean isPrimary, boolean enabled) {
         Slog.i(TAG,
                 (enabled ? " Allowing " : "Disallowing ") + mConfig.caption + " " + pkgOrComponent);
-        ArrayMap<Boolean, ArraySet<String>> allowedByType = mApproved.get(userId);
-        if (allowedByType == null) {
-            allowedByType = new ArrayMap<>();
-            mApproved.put(userId, allowedByType);
-        }
-        ArraySet<String> approved = allowedByType.get(isPrimary);
-        if (approved == null) {
-            approved = new ArraySet<>();
-            allowedByType.put(isPrimary, approved);
-        }
-        String approvedItem = getApprovedValue(pkgOrComponent);
+        synchronized (mApproved) {
+            ArrayMap<Boolean, ArraySet<String>> allowedByType = mApproved.get(userId);
+            if (allowedByType == null) {
+                allowedByType = new ArrayMap<>();
+                mApproved.put(userId, allowedByType);
+            }
+            ArraySet<String> approved = allowedByType.get(isPrimary);
+            if (approved == null) {
+                approved = new ArraySet<>();
+                allowedByType.put(isPrimary, approved);
+            }
+            String approvedItem = getApprovedValue(pkgOrComponent);
 
-        if (approvedItem != null) {
-            if (enabled) {
-                approved.add(approvedItem);
-            } else {
-                approved.remove(approvedItem);
+            if (approvedItem != null) {
+                if (enabled) {
+                    approved.add(approvedItem);
+                } else {
+                    approved.remove(approvedItem);
+                }
             }
         }
 
@@ -504,22 +515,26 @@
     }
 
     protected String getApproved(int userId, boolean primary) {
-        final ArrayMap<Boolean, ArraySet<String>> allowedByType =
-                mApproved.getOrDefault(userId, new ArrayMap<>());
-        ArraySet<String> approved = allowedByType.getOrDefault(primary, new ArraySet<>());
-        return String.join(ENABLED_SERVICES_SEPARATOR, approved);
+        synchronized (mApproved) {
+            final ArrayMap<Boolean, ArraySet<String>> allowedByType =
+                    mApproved.getOrDefault(userId, new ArrayMap<>());
+            ArraySet<String> approved = allowedByType.getOrDefault(primary, new ArraySet<>());
+            return String.join(ENABLED_SERVICES_SEPARATOR, approved);
+        }
     }
 
     protected List<ComponentName> getAllowedComponents(int userId) {
         final List<ComponentName> allowedComponents = new ArrayList<>();
-        final ArrayMap<Boolean, ArraySet<String>> allowedByType =
-                mApproved.getOrDefault(userId, new ArrayMap<>());
-        for (int i = 0; i < allowedByType.size(); i++) {
-            final ArraySet<String> allowed = allowedByType.valueAt(i);
-            for (int j = 0; j < allowed.size(); j++) {
-                ComponentName cn = ComponentName.unflattenFromString(allowed.valueAt(j));
-                if (cn != null) {
-                    allowedComponents.add(cn);
+        synchronized (mApproved) {
+            final ArrayMap<Boolean, ArraySet<String>> allowedByType =
+                    mApproved.getOrDefault(userId, new ArrayMap<>());
+            for (int i = 0; i < allowedByType.size(); i++) {
+                final ArraySet<String> allowed = allowedByType.valueAt(i);
+                for (int j = 0; j < allowed.size(); j++) {
+                    ComponentName cn = ComponentName.unflattenFromString(allowed.valueAt(j));
+                    if (cn != null) {
+                        allowedComponents.add(cn);
+                    }
                 }
             }
         }
@@ -528,14 +543,16 @@
 
     protected List<String> getAllowedPackages(int userId) {
         final List<String> allowedPackages = new ArrayList<>();
-        final ArrayMap<Boolean, ArraySet<String>> allowedByType =
-                mApproved.getOrDefault(userId, new ArrayMap<>());
-        for (int i = 0; i < allowedByType.size(); i++) {
-            final ArraySet<String> allowed = allowedByType.valueAt(i);
-            for (int j = 0; j < allowed.size(); j++) {
-                String pkgName = getPackageName(allowed.valueAt(j));
-                if (!TextUtils.isEmpty(pkgName)) {
-                    allowedPackages.add(pkgName);
+        synchronized (mApproved) {
+            final ArrayMap<Boolean, ArraySet<String>> allowedByType =
+                    mApproved.getOrDefault(userId, new ArrayMap<>());
+            for (int i = 0; i < allowedByType.size(); i++) {
+                final ArraySet<String> allowed = allowedByType.valueAt(i);
+                for (int j = 0; j < allowed.size(); j++) {
+                    String pkgName = getPackageName(allowed.valueAt(j));
+                    if (!TextUtils.isEmpty(pkgName)) {
+                        allowedPackages.add(pkgName);
+                    }
                 }
             }
         }
@@ -543,12 +560,14 @@
     }
 
     protected boolean isPackageOrComponentAllowed(String pkgOrComponent, int userId) {
-        ArrayMap<Boolean, ArraySet<String>> allowedByType =
-                mApproved.getOrDefault(userId, new ArrayMap<>());
-        for (int i = 0; i < allowedByType.size(); i++) {
-            ArraySet<String> allowed = allowedByType.valueAt(i);
-            if (allowed.contains(pkgOrComponent)) {
-                return true;
+        synchronized (mApproved) {
+            ArrayMap<Boolean, ArraySet<String>> allowedByType =
+                    mApproved.getOrDefault(userId, new ArrayMap<>());
+            for (int i = 0; i < allowedByType.size(); i++) {
+                ArraySet<String> allowed = allowedByType.valueAt(i);
+                if (allowed.contains(pkgOrComponent)) {
+                    return true;
+                }
             }
         }
         return false;
@@ -558,19 +577,21 @@
         if (pkg == null) {
             return false;
         }
-        ArrayMap<Boolean, ArraySet<String>> allowedByType =
-                mApproved.getOrDefault(userId, new ArrayMap<>());
-        for (int i = 0; i < allowedByType.size(); i++) {
-            ArraySet<String> allowed = allowedByType.valueAt(i);
-            for (String allowedEntry : allowed) {
-                ComponentName component = ComponentName.unflattenFromString(allowedEntry);
-                if (component != null) {
-                    if (pkg.equals(component.getPackageName())) {
-                        return true;
-                    }
-                } else {
-                    if (pkg.equals(allowedEntry)) {
-                        return true;
+        synchronized (mApproved) {
+            ArrayMap<Boolean, ArraySet<String>> allowedByType =
+                    mApproved.getOrDefault(userId, new ArrayMap<>());
+            for (int i = 0; i < allowedByType.size(); i++) {
+                ArraySet<String> allowed = allowedByType.valueAt(i);
+                for (String allowedEntry : allowed) {
+                    ComponentName component = ComponentName.unflattenFromString(allowedEntry);
+                    if (component != null) {
+                        if (pkg.equals(component.getPackageName())) {
+                            return true;
+                        }
+                    } else {
+                        if (pkg.equals(allowedEntry)) {
+                            return true;
+                        }
                     }
                 }
             }
@@ -616,7 +637,9 @@
 
     public void onUserRemoved(int user) {
         Slog.i(TAG, "Removing approved services for removed user " + user);
-        mApproved.remove(user);
+        synchronized (mApproved) {
+            mApproved.remove(user);
+        }
         rebindServices(true, user);
     }
 
@@ -797,14 +820,16 @@
 
     protected Set<String> getAllowedPackages() {
         final Set<String> allowedPackages = new ArraySet<>();
-        for (int k = 0; k < mApproved.size(); k++) {
-            ArrayMap<Boolean, ArraySet<String>> allowedByType = mApproved.valueAt(k);
-            for (int i = 0; i < allowedByType.size(); i++) {
-                final ArraySet<String> allowed = allowedByType.valueAt(i);
-                for (int j = 0; j < allowed.size(); j++) {
-                    String pkgName = getPackageName(allowed.valueAt(j));
-                    if (!TextUtils.isEmpty(pkgName)) {
-                        allowedPackages.add(pkgName);
+        synchronized (mApproved) {
+            for (int k = 0; k < mApproved.size(); k++) {
+                ArrayMap<Boolean, ArraySet<String>> allowedByType = mApproved.valueAt(k);
+                for (int i = 0; i < allowedByType.size(); i++) {
+                    final ArraySet<String> allowed = allowedByType.valueAt(i);
+                    for (int j = 0; j < allowed.size(); j++) {
+                        String pkgName = getPackageName(allowed.valueAt(j));
+                        if (!TextUtils.isEmpty(pkgName)) {
+                            allowedPackages.add(pkgName);
+                        }
                     }
                 }
             }
@@ -813,22 +838,24 @@
     }
 
     private void trimApprovedListsAccordingToInstalledServices(int userId) {
-        final ArrayMap<Boolean, ArraySet<String>> approvedByType = mApproved.get(userId);
-        if (approvedByType == null) {
-            return;
-        }
-        for (int i = 0; i < approvedByType.size(); i++) {
-            final ArraySet<String> approved = approvedByType.valueAt(i);
-            for (int j = approved.size() - 1; j >= 0; j--) {
-                final String approvedPackageOrComponent = approved.valueAt(j);
-                if (!isValidEntry(approvedPackageOrComponent, userId)){
-                    approved.removeAt(j);
-                    Slog.v(TAG, "Removing " + approvedPackageOrComponent
-                            + " from approved list; no matching services found");
-                } else {
-                    if (DEBUG) {
-                        Slog.v(TAG, "Keeping " + approvedPackageOrComponent
-                                + " on approved list; matching services found");
+        synchronized (mApproved) {
+            final ArrayMap<Boolean, ArraySet<String>> approvedByType = mApproved.get(userId);
+            if (approvedByType == null) {
+                return;
+            }
+            for (int i = 0; i < approvedByType.size(); i++) {
+                final ArraySet<String> approved = approvedByType.valueAt(i);
+                for (int j = approved.size() - 1; j >= 0; j--) {
+                    final String approvedPackageOrComponent = approved.valueAt(j);
+                    if (!isValidEntry(approvedPackageOrComponent, userId)) {
+                        approved.removeAt(j);
+                        Slog.v(TAG, "Removing " + approvedPackageOrComponent
+                                + " from approved list; no matching services found");
+                    } else {
+                        if (DEBUG) {
+                            Slog.v(TAG, "Keeping " + approvedPackageOrComponent
+                                    + " on approved list; matching services found");
+                        }
                     }
                 }
             }
@@ -837,20 +864,23 @@
 
     private boolean removeUninstalledItemsFromApprovedLists(int uninstalledUserId, String pkg) {
         boolean removed = false;
-        final ArrayMap<Boolean, ArraySet<String>> approvedByType = mApproved.get(uninstalledUserId);
-        if (approvedByType != null) {
-            int M = approvedByType.size();
-            for (int j = 0; j < M; j++) {
-                final ArraySet<String> approved = approvedByType.valueAt(j);
-                int O = approved.size();
-                for (int k = O - 1; k >= 0; k--) {
-                    final String packageOrComponent = approved.valueAt(k);
-                    final String packageName = getPackageName(packageOrComponent);
-                    if (TextUtils.equals(pkg, packageName)) {
-                        approved.removeAt(k);
-                        if (DEBUG) {
-                            Slog.v(TAG, "Removing " + packageOrComponent
-                                    + " from approved list; uninstalled");
+        synchronized (mApproved) {
+            final ArrayMap<Boolean, ArraySet<String>> approvedByType = mApproved.get(
+                    uninstalledUserId);
+            if (approvedByType != null) {
+                int M = approvedByType.size();
+                for (int j = 0; j < M; j++) {
+                    final ArraySet<String> approved = approvedByType.valueAt(j);
+                    int O = approved.size();
+                    for (int k = O - 1; k >= 0; k--) {
+                        final String packageOrComponent = approved.valueAt(k);
+                        final String packageName = getPackageName(packageOrComponent);
+                        if (TextUtils.equals(pkg, packageName)) {
+                            approved.removeAt(k);
+                            if (DEBUG) {
+                                Slog.v(TAG, "Removing " + packageOrComponent
+                                        + " from approved list; uninstalled");
+                            }
                         }
                     }
                 }
@@ -887,17 +917,19 @@
 
         for (int i = 0; i < nUserIds; ++i) {
             final int userId = userIds.get(i);
-            final ArrayMap<Boolean, ArraySet<String>> approvedLists = mApproved.get(userId);
-            if (approvedLists != null) {
-                final int N = approvedLists.size();
-                for (int j = 0; j < N; j++) {
-                    ArraySet<ComponentName> approvedByUser = componentsByUser.get(userId);
-                    if (approvedByUser == null) {
-                        approvedByUser = new ArraySet<>();
-                        componentsByUser.put(userId, approvedByUser);
+            synchronized (mApproved) {
+                final ArrayMap<Boolean, ArraySet<String>> approvedLists = mApproved.get(userId);
+                if (approvedLists != null) {
+                    final int N = approvedLists.size();
+                    for (int j = 0; j < N; j++) {
+                        ArraySet<ComponentName> approvedByUser = componentsByUser.get(userId);
+                        if (approvedByUser == null) {
+                            approvedByUser = new ArraySet<>();
+                            componentsByUser.put(userId, approvedByUser);
+                        }
+                        approvedByUser.addAll(
+                                loadComponentNamesFromValues(approvedLists.valueAt(j), userId));
                     }
-                    approvedByUser.addAll(
-                            loadComponentNamesFromValues(approvedLists.valueAt(j), userId));
                 }
             }
         }
diff --git a/services/core/java/com/android/server/notification/NotificationManagerService.java b/services/core/java/com/android/server/notification/NotificationManagerService.java
index d358f9a..d4b3138 100644
--- a/services/core/java/com/android/server/notification/NotificationManagerService.java
+++ b/services/core/java/com/android/server/notification/NotificationManagerService.java
@@ -466,6 +466,8 @@
     private MetricsLogger mMetricsLogger;
     private TriPredicate<String, Integer, String> mAllowedManagedServicePackages;
 
+    private final SavePolicyFileRunnable mSavePolicyFile = new SavePolicyFileRunnable();
+
     private static class Archive {
         final int mBufferSize;
         final ArrayDeque<StatusBarNotification> mBuffer;
@@ -659,7 +661,14 @@
 
     @VisibleForTesting
     protected void handleSavePolicyFile() {
-        IoThread.getHandler().post(() -> {
+        if (!IoThread.getHandler().hasCallbacks(mSavePolicyFile)) {
+            IoThread.getHandler().post(mSavePolicyFile);
+        }
+    }
+
+    private final class SavePolicyFileRunnable implements Runnable {
+        @Override
+        public void run() {
             if (DBG) Slog.d(TAG, "handleSavePolicyFile");
             synchronized (mPolicyFile) {
                 final FileOutputStream stream;
@@ -679,7 +688,7 @@
                 }
             }
             BackupManager.dataChanged(getContext().getPackageName());
-        });
+        }
     }
 
     private void writePolicyXml(OutputStream stream, boolean forBackup, int userId)
@@ -1824,6 +1833,7 @@
                     }
                     if (properties.getKeyset()
                             .contains(SystemUiDeviceConfigFlags.NAS_DEFAULT_SERVICE)) {
+                        mAssistants.allowAdjustmentType(Adjustment.KEY_IMPORTANCE);
                         mAssistants.resetDefaultAssistantsIfNecessary();
                     }
                 });
@@ -2256,7 +2266,7 @@
             final int callingUid = Binder.getCallingUid();
             final boolean isSystemToast = isCallerSystemOrPhone()
                     || PackageManagerService.PLATFORM_PACKAGE_NAME.equals(pkg);
-            final boolean isPackageSuspended = isPackageSuspendedForUser(pkg, callingUid);
+            final boolean isPackageSuspended = isPackagePaused(pkg);
             final boolean notificationsDisabledForPackage = !areNotificationsEnabledForPackage(pkg,
                     callingUid);
 
@@ -2405,9 +2415,25 @@
         }
 
         @Override
+        public void silenceNotificationSound() {
+            checkCallerIsSystem();
+
+            mNotificationDelegate.clearEffects();
+        }
+
+        @Override
         public void setNotificationsEnabledForPackage(String pkg, int uid, boolean enabled) {
             enforceSystemOrSystemUI("setNotificationsEnabledForPackage");
 
+            synchronized (mNotificationLock) {
+                boolean wasEnabled = mPreferencesHelper.getImportance(pkg, uid)
+                        != NotificationManager.IMPORTANCE_NONE;
+
+                if (wasEnabled == enabled) {
+                    return;
+                }
+            }
+
             mPreferencesHelper.setEnabled(pkg, uid, enabled);
             mMetricsLogger.write(new LogMaker(MetricsEvent.ACTION_BAN_APP_NOTES)
                     .setType(MetricsEvent.TYPE_ACTION)
@@ -4094,17 +4120,7 @@
             Preconditions.checkNotNull(pkg);
             checkCallerIsSameApp(pkg);
 
-            boolean isPaused;
-
-            final PackageManagerInternal pmi = LocalServices.getService(
-                    PackageManagerInternal.class);
-            int flags = pmi.getDistractingPackageRestrictions(
-                    pkg, Binder.getCallingUserHandle().getIdentifier());
-            isPaused = ((flags & PackageManager.RESTRICTION_HIDE_NOTIFICATIONS) != 0);
-
-            isPaused |= isPackageSuspendedForUser(pkg, Binder.getCallingUid());
-
-            return isPaused;
+            return isPackagePausedOrSuspended(pkg, Binder.getCallingUid());
         }
 
         private void verifyPrivilegedListener(INotificationListener token, UserHandle user,
@@ -5326,11 +5342,18 @@
     }
 
     @GuardedBy("mNotificationLock")
-    private boolean isPackageSuspendedLocked(NotificationRecord r) {
-        final String pkg = r.sbn.getPackageName();
-        final int callingUid = r.sbn.getUid();
+    boolean isPackagePausedOrSuspended(String pkg, int uid) {
+        boolean isPaused;
 
-        return isPackageSuspendedForUser(pkg, callingUid);
+        final PackageManagerInternal pmi = LocalServices.getService(
+                PackageManagerInternal.class);
+        int flags = pmi.getDistractingPackageRestrictions(
+                pkg, Binder.getCallingUserHandle().getIdentifier());
+        isPaused = ((flags & PackageManager.RESTRICTION_HIDE_NOTIFICATIONS) != 0);
+
+        isPaused |= isPackageSuspendedForUser(pkg, uid);
+
+        return isPaused;
     }
 
     protected class PostNotificationRunnable implements Runnable {
@@ -5363,7 +5386,8 @@
                         return;
                     }
 
-                    final boolean isPackageSuspended = isPackageSuspendedLocked(r);
+                    final boolean isPackageSuspended =
+                            isPackagePausedOrSuspended(r.sbn.getPackageName(), r.getUid());
                     r.setHidden(isPackageSuspended);
                     if (isPackageSuspended) {
                         mUsageStats.registerSuspendedByAdmin(r);
diff --git a/services/core/java/com/android/server/pm/ProtectedPackages.java b/services/core/java/com/android/server/pm/ProtectedPackages.java
index a374e14..231168e 100644
--- a/services/core/java/com/android/server/pm/ProtectedPackages.java
+++ b/services/core/java/com/android/server/pm/ProtectedPackages.java
@@ -92,6 +92,9 @@
         if (mDeviceOwnerUserId == userId) {
             return mDeviceOwnerPackage;
         }
+        if (mProfileOwnerPackages == null) {
+            return null;
+        }
         return mProfileOwnerPackages.get(userId);
     }
 
diff --git a/services/core/java/com/android/server/policy/PhoneWindowManager.java b/services/core/java/com/android/server/policy/PhoneWindowManager.java
index 21b13fe..48056b4 100644
--- a/services/core/java/com/android/server/policy/PhoneWindowManager.java
+++ b/services/core/java/com/android/server/policy/PhoneWindowManager.java
@@ -107,6 +107,7 @@
 import android.app.ActivityTaskManager;
 import android.app.AppOpsManager;
 import android.app.IUiModeManager;
+import android.app.NotificationManager;
 import android.app.ProgressDialog;
 import android.app.SearchManager;
 import android.app.UiModeManager;
@@ -2572,6 +2573,10 @@
         return (TelecomManager) mContext.getSystemService(Context.TELECOM_SERVICE);
     }
 
+    NotificationManager getNotificationService() {
+        return mContext.getSystemService(NotificationManager.class);
+    }
+
     static IAudioService getAudioService() {
         IAudioService audioService = IAudioService.Stub.asInterface(
                 ServiceManager.checkService(Context.AUDIO_SERVICE));
@@ -3806,6 +3811,11 @@
                 if (down) {
                     sendSystemKeyToStatusBarAsync(event.getKeyCode());
 
+                    NotificationManager nm = getNotificationService();
+                    if (nm != null && !mHandleVolumeKeysInWM) {
+                        nm.silenceNotificationSound();
+                    }
+
                     TelecomManager telecomManager = getTelecommService();
                     if (telecomManager != null && !mHandleVolumeKeysInWM) {
                         // When {@link #mHandleVolumeKeysInWM} is set, volume key events
diff --git a/services/tests/uiservicestests/src/com/android/server/notification/NotificationManagerServiceTest.java b/services/tests/uiservicestests/src/com/android/server/notification/NotificationManagerServiceTest.java
index 5ba1eb2..b5e4934 100644
--- a/services/tests/uiservicestests/src/com/android/server/notification/NotificationManagerServiceTest.java
+++ b/services/tests/uiservicestests/src/com/android/server/notification/NotificationManagerServiceTest.java
@@ -1508,14 +1508,22 @@
     public void testUpdateAppNotifyCreatorBlock() throws Exception {
         mService.setPreferencesHelper(mPreferencesHelper);
 
-        mBinderService.setNotificationsEnabledForPackage(PKG, 0, false);
+        mBinderService.setNotificationsEnabledForPackage(PKG, 0, true);
         ArgumentCaptor<Intent> captor = ArgumentCaptor.forClass(Intent.class);
         verify(mContext, times(1)).sendBroadcastAsUser(captor.capture(), any(), eq(null));
 
         assertEquals(NotificationManager.ACTION_APP_BLOCK_STATE_CHANGED,
                 captor.getValue().getAction());
         assertEquals(PKG, captor.getValue().getPackage());
-        assertTrue(captor.getValue().getBooleanExtra(EXTRA_BLOCKED_STATE, false));
+        assertFalse(captor.getValue().getBooleanExtra(EXTRA_BLOCKED_STATE, true));
+    }
+
+    @Test
+    public void testUpdateAppNotifyCreatorBlock_notIfMatchesExistingSetting() throws Exception {
+        mService.setPreferencesHelper(mPreferencesHelper);
+
+        mBinderService.setNotificationsEnabledForPackage(PKG, 0, false);
+        verify(mContext, never()).sendBroadcastAsUser(any(), any(), eq(null));
     }
 
     @Test
diff --git a/telephony/java/android/telephony/CarrierConfigManager.java b/telephony/java/android/telephony/CarrierConfigManager.java
index 7c0118c..0bc0029 100755
--- a/telephony/java/android/telephony/CarrierConfigManager.java
+++ b/telephony/java/android/telephony/CarrierConfigManager.java
@@ -2726,12 +2726,20 @@
 
     /**
      * Controls hysteresis time in milli seconds for which OpportunisticNetworkService
-     * will wait before switching data to a network.
+     * will wait before switching data to an opportunistic network.
      */
     public static final String KEY_OPPORTUNISTIC_NETWORK_DATA_SWITCH_HYSTERESIS_TIME_LONG =
             "opportunistic_network_data_switch_hysteresis_time_long";
 
     /**
+     * Controls hysteresis time in milli seconds for which OpportunisticNetworkService
+     * will wait before switching data from opportunistic network to primary network.
+     * @hide
+     */
+    public static final String KEY_OPPORTUNISTIC_NETWORK_DATA_SWITCH_EXIT_HYSTERESIS_TIME_LONG =
+            "opportunistic_network_data_switch_exit_hysteresis_time_long";
+
+    /**
      * Indicates zero or more emergency number prefix(es), because some carrier requires
      * if users dial an emergency number address with a specific prefix, the combination of the
      * prefix and the address is also a valid emergency number to dial. For example, an emergency
@@ -3494,6 +3502,8 @@
         sDefaults.putLong(KEY_OPPORTUNISTIC_NETWORK_ENTRY_OR_EXIT_HYSTERESIS_TIME_LONG, 10000);
         /* Default value is 10 seconds. */
         sDefaults.putLong(KEY_OPPORTUNISTIC_NETWORK_DATA_SWITCH_HYSTERESIS_TIME_LONG, 10000);
+        /* Default value is 3 seconds. */
+        sDefaults.putLong(KEY_OPPORTUNISTIC_NETWORK_DATA_SWITCH_EXIT_HYSTERESIS_TIME_LONG, 3000);
         sDefaults.putAll(Gps.getDefaults());
         sDefaults.putAll(Wifi.getDefaults());
         sDefaults.putIntArray(KEY_CDMA_ENHANCED_ROAMING_INDICATOR_FOR_HOME_NETWORK_INT_ARRAY,