Merge "Camera: Fix error handling for reading in vendor tags" into nyc-dev
diff --git a/api/current.txt b/api/current.txt
index fd4cb4d..a4f6607 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -29048,6 +29048,8 @@
     ctor public Process();
     method public static final long getElapsedCpuTime();
     method public static final int getGidForName(java.lang.String);
+    method public static final long getStartElapsedRealtime();
+    method public static final long getStartUptimeMillis();
     method public static final int getThreadPriority(int) throws java.lang.IllegalArgumentException;
     method public static final int getUidForName(java.lang.String);
     method public static final boolean is64Bit();
diff --git a/api/system-current.txt b/api/system-current.txt
index 0758a70..2d5e7f6 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -31339,6 +31339,8 @@
     ctor public Process();
     method public static final long getElapsedCpuTime();
     method public static final int getGidForName(java.lang.String);
+    method public static final long getStartElapsedRealtime();
+    method public static final long getStartUptimeMillis();
     method public static final int getThreadPriority(int) throws java.lang.IllegalArgumentException;
     method public static final int getUidForName(java.lang.String);
     method public static final boolean is64Bit();
diff --git a/api/test-current.txt b/api/test-current.txt
index c0b596e..dcb2f32 100644
--- a/api/test-current.txt
+++ b/api/test-current.txt
@@ -29059,6 +29059,8 @@
     ctor public Process();
     method public static final long getElapsedCpuTime();
     method public static final int getGidForName(java.lang.String);
+    method public static final long getStartElapsedRealtime();
+    method public static final long getStartUptimeMillis();
     method public static final int getThreadPriority(int) throws java.lang.IllegalArgumentException;
     method public static final int getUidForName(java.lang.String);
     method public static final boolean is64Bit();
diff --git a/core/java/android/app/ActivityThread.java b/core/java/android/app/ActivityThread.java
index 1e95c98..2415ce1 100644
--- a/core/java/android/app/ActivityThread.java
+++ b/core/java/android/app/ActivityThread.java
@@ -4909,6 +4909,9 @@
             DdmVmInternal.enableRecentAllocations(true);
         }
 
+        // Note when this process has started.
+        Process.setStartTimes(SystemClock.elapsedRealtime(), SystemClock.uptimeMillis());
+
         mBoundApplication = data;
         mConfiguration = new Configuration(data.config);
         mCompatConfiguration = new Configuration(data.config);
diff --git a/core/java/android/os/Process.java b/core/java/android/os/Process.java
index 9984755..8fd3b0c 100644
--- a/core/java/android/os/Process.java
+++ b/core/java/android/os/Process.java
@@ -383,6 +383,9 @@
     public static final int SIGNAL_KILL = 9;
     public static final int SIGNAL_USR1 = 10;
 
+    private static long sStartElapsedRealtime;
+    private static long sStartUptimeMillis;
+
     /**
      * State for communicating with the zygote process.
      *
@@ -772,6 +775,26 @@
     public static final native long getElapsedCpuTime();
 
     /**
+     * Return the {@link SystemClock#elapsedRealtime()} at which this process was started.
+     */
+    public static final long getStartElapsedRealtime() {
+        return sStartElapsedRealtime;
+    }
+
+    /**
+     * Return the {@link SystemClock#uptimeMillis()} at which this process was started.
+     */
+    public static final long getStartUptimeMillis() {
+        return sStartUptimeMillis;
+    }
+
+    /** @hide */
+    public static final void setStartTimes(long elapsedRealtime, long uptimeMillis) {
+        sStartElapsedRealtime = elapsedRealtime;
+        sStartUptimeMillis = uptimeMillis;
+    }
+
+    /**
      * Returns true if the current process is a 64-bit runtime.
      */
     public static final boolean is64Bit() {
diff --git a/core/java/android/provider/DocumentsContract.java b/core/java/android/provider/DocumentsContract.java
index 3788c74..03a1ca6 100644
--- a/core/java/android/provider/DocumentsContract.java
+++ b/core/java/android/provider/DocumentsContract.java
@@ -568,6 +568,22 @@
          * @hide
          */
         public static final int FLAG_HAS_SETTINGS = 1 << 17;
+
+        /**
+         * Flag indicating that this root is on removable SD card storage.
+         *
+         * @see #COLUMN_FLAGS
+         * @hide
+         */
+        public static final int FLAG_REMOVABLE_SD = 1 << 18;
+
+        /**
+         * Flag indicating that this root is on removable USB storage.
+         *
+         * @see #COLUMN_FLAGS
+         * @hide
+         */
+        public static final int FLAG_REMOVABLE_USB = 1 << 19;
     }
 
     /**
diff --git a/core/java/android/widget/Editor.java b/core/java/android/widget/Editor.java
index 881e5cd..5c06638 100644
--- a/core/java/android/widget/Editor.java
+++ b/core/java/android/widget/Editor.java
@@ -3160,6 +3160,7 @@
                 mTextView.getContext(), mTextView.mTextEditSuggestionHighlightStyle);
         private TextView mAddToDictionaryButton;
         private TextView mDeleteButton;
+        private ListView mSuggestionListView;
         private SuggestionSpan mMisspelledSpan;
         private int mContainerMarginWidth;
         private int mContainerMarginTop;
@@ -3213,12 +3214,12 @@
             mClippingLimitLeft = lp.leftMargin;
             mClippingLimitRight = lp.rightMargin;
 
-            final ListView suggestionListView = (ListView) relativeLayout.findViewById(
+            mSuggestionListView = (ListView) relativeLayout.findViewById(
                     com.android.internal.R.id.suggestionContainer);
 
             mSuggestionsAdapter = new SuggestionAdapter();
-            suggestionListView.setAdapter(mSuggestionsAdapter);
-            suggestionListView.setOnItemClickListener(this);
+            mSuggestionListView.setAdapter(mSuggestionsAdapter);
+            mSuggestionListView.setOnItemClickListener(this);
 
             // Inflate the suggestion items once and for all.
             mSuggestionInfos = new SuggestionInfo[MAX_NUMBER_SUGGESTIONS];
@@ -3374,6 +3375,7 @@
                 popupBackground.getPadding(mTempRect);
                 width += mTempRect.left + mTempRect.right;
             }
+            mSuggestionListView.getLayoutParams().width = width;
             mPopupWindow.setWidth(width);
         }
 
diff --git a/keystore/java/android/security/KeyChain.java b/keystore/java/android/security/KeyChain.java
index 7adad8a..0886487 100644
--- a/keystore/java/android/security/KeyChain.java
+++ b/keystore/java/android/security/KeyChain.java
@@ -547,11 +547,8 @@
         Intent intent = new Intent(IKeyChainService.class.getName());
         ComponentName comp = intent.resolveSystemService(context.getPackageManager(), 0);
         intent.setComponent(comp);
-        boolean isBound = context.bindServiceAsUser(intent,
-                                                    keyChainServiceConnection,
-                                                    Context.BIND_AUTO_CREATE,
-                                                    user);
-        if (!isBound) {
+        if (comp == null || !context.bindServiceAsUser(
+                intent, keyChainServiceConnection, Context.BIND_AUTO_CREATE, user)) {
             throw new AssertionError("could not bind to KeyChainService");
         }
         return new KeyChainConnection(context, keyChainServiceConnection, q.take());
diff --git a/packages/DocumentsUI/res/drawable/ic_sd_storage.xml b/packages/DocumentsUI/res/drawable/ic_sd_storage.xml
index b0f3cc3..5aeebbb 100644
--- a/packages/DocumentsUI/res/drawable/ic_sd_storage.xml
+++ b/packages/DocumentsUI/res/drawable/ic_sd_storage.xml
@@ -14,8 +14,8 @@
     limitations under the License.
 -->
 <vector xmlns:android="http://schemas.android.com/apk/res/android"
-        android:width="48dp"
-        android:height="48dp"
+        android:width="24dp"
+        android:height="24dp"
         android:viewportWidth="24.0"
         android:viewportHeight="24.0">
     <path
diff --git a/packages/DocumentsUI/res/drawable/ic_usb_storage.xml b/packages/DocumentsUI/res/drawable/ic_usb_storage.xml
new file mode 100644
index 0000000..2a8d024
--- /dev/null
+++ b/packages/DocumentsUI/res/drawable/ic_usb_storage.xml
@@ -0,0 +1,24 @@
+<!--
+Copyright (C) 2015 The Android Open Source Project
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+         http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+-->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M15 7v4h1v2h-3V5h2l-3,-4,-3 4h2v8H8v-2.07c.7,-.37 1.2,-1.08 1.2,-1.93 0,-1.21,-.99,-2.2,-2.2,-2.2,-1.21 0,-2.2.99,-2.2 2.2 0 .85.5 1.56 1.2 1.93V13c0 1.11.89 2 2 2h3v3.05c-.71.37,-1.2 1.1,-1.2 1.95 0 1.22.99 2.2 2.2 2.2 1.21 0 2.2,-.98 2.2,-2.2 0,-.85,-.49,-1.58,-1.2,-1.95V15h3c1.11 0 2,-.89 2,-2v-2h1V7h-4z"/>
+</vector>
diff --git a/packages/DocumentsUI/src/com/android/documentsui/model/RootInfo.java b/packages/DocumentsUI/src/com/android/documentsui/model/RootInfo.java
index 29273a3..3eaf10a 100644
--- a/packages/DocumentsUI/src/com/android/documentsui/model/RootInfo.java
+++ b/packages/DocumentsUI/src/com/android/documentsui/model/RootInfo.java
@@ -16,6 +16,7 @@
 
 package com.android.documentsui.model;
 
+import static com.android.documentsui.Shared.DEBUG;
 import static com.android.documentsui.Shared.compareToIgnoreCaseNullable;
 import static com.android.documentsui.model.DocumentInfo.getCursorInt;
 import static com.android.documentsui.model.DocumentInfo.getCursorLong;
@@ -31,6 +32,7 @@
 import android.provider.DocumentsContract;
 import android.provider.DocumentsContract.Root;
 import android.text.TextUtils;
+import android.util.Log;
 
 import com.android.documentsui.IconUtils;
 import com.android.documentsui.R;
@@ -47,6 +49,8 @@
  * Representation of a {@link Root}.
  */
 public class RootInfo implements Durable, Parcelable, Comparable<RootInfo> {
+
+    private static final String TAG = "RootInfo";
     private static final int VERSION_INIT = 1;
     private static final int VERSION_DROP_TYPE = 2;
 
@@ -59,6 +63,8 @@
             TYPE_DOWNLOADS,
             TYPE_LOCAL,
             TYPE_MTP,
+            TYPE_SD,
+            TYPE_USB,
             TYPE_OTHER
     })
     @Retention(RetentionPolicy.SOURCE)
@@ -70,7 +76,9 @@
     public static final int TYPE_DOWNLOADS = 5;
     public static final int TYPE_LOCAL = 6;
     public static final int TYPE_MTP = 7;
-    public static final int TYPE_OTHER = 8;
+    public static final int TYPE_SD = 8;
+    public static final int TYPE_USB = 9;
+    public static final int TYPE_OTHER = 10;
 
     public String authority;
     public String rootId;
@@ -185,33 +193,40 @@
     private void deriveFields() {
         derivedMimeTypes = (mimeTypes != null) ? mimeTypes.split("\n") : null;
 
-        // TODO: remove these special case icons
         if (isHome()) {
+            derivedType = TYPE_LOCAL;
             derivedIcon = R.drawable.ic_root_documents;
-            derivedType = TYPE_LOCAL;
-        } else if (isExternalStorage()) {
-            derivedIcon = R.drawable.ic_root_smartphone;
-            derivedType = TYPE_LOCAL;
-            // TODO: Apply SD card icon to SD devices.
-        } else if (isDownloads()) {
-            derivedIcon = R.drawable.ic_root_download;
-            derivedType = TYPE_DOWNLOADS;
-        } else if (isImages()) {
-            derivedIcon = R.drawable.ic_doc_image;
-            derivedType = TYPE_IMAGES;
-        } else if (isVideos()) {
-            derivedIcon = R.drawable.ic_doc_video;
-            derivedType = TYPE_VIDEO;
-        } else if (isAudio()) {
-            derivedIcon = R.drawable.ic_doc_audio;
-            derivedType = TYPE_AUDIO;
-        } else if (isRecents()) {
-            derivedType = TYPE_RECENTS;
         } else if (isMtp()) {
             derivedType = TYPE_MTP;
+            derivedIcon = R.drawable.ic_usb_storage;
+        } else if (isUsb()) {
+            derivedType = TYPE_USB;
+            derivedIcon = R.drawable.ic_usb_storage;
+        } else if (isSd()) {
+            derivedType = TYPE_SD;
+            derivedIcon = R.drawable.ic_sd_storage;
+        } else if (isExternalStorage()) {
+            derivedType = TYPE_LOCAL;
+            derivedIcon = R.drawable.ic_root_smartphone;
+        } else if (isDownloads()) {
+            derivedType = TYPE_DOWNLOADS;
+            derivedIcon = R.drawable.ic_root_download;
+        } else if (isImages()) {
+            derivedType = TYPE_IMAGES;
+            derivedIcon = R.drawable.ic_doc_image;
+        } else if (isVideos()) {
+            derivedType = TYPE_VIDEO;
+            derivedIcon = R.drawable.ic_doc_video;
+        } else if (isAudio()) {
+            derivedType = TYPE_AUDIO;
+            derivedIcon = R.drawable.ic_doc_audio;
+        } else if (isRecents()) {
+            derivedType = TYPE_RECENTS;
         } else {
             derivedType = TYPE_OTHER;
         }
+
+        if (DEBUG) Log.d(TAG, "Finished deriving fields: " + this);
     }
 
     public Uri getUri() {
@@ -291,6 +306,14 @@
         return (flags & Root.FLAG_EMPTY) != 0;
     }
 
+    public boolean isSd() {
+        return (flags & Root.FLAG_REMOVABLE_SD) != 0;
+    }
+
+    public boolean isUsb() {
+        return (flags & Root.FLAG_REMOVABLE_USB) != 0;
+    }
+
     public Drawable loadIcon(Context context) {
         if (derivedIcon != 0) {
             return context.getDrawable(derivedIcon);
@@ -358,7 +381,14 @@
 
     @Override
     public String toString() {
-        return "Root{authority=" + authority + ", rootId=" + rootId + ", title=" + title + "}";
+        return "Root{"
+                + "authority=" + authority
+                + ", rootId=" + rootId
+                + ", title=" + title
+                + ", isUsb=" + isUsb()
+                + ", isSd=" + isSd()
+                + ", isMtp=" + isMtp()
+                + "}";
     }
 
     public String getDirectoryString() {
diff --git a/packages/ExternalStorageProvider/src/com/android/externalstorage/ExternalStorageProvider.java b/packages/ExternalStorageProvider/src/com/android/externalstorage/ExternalStorageProvider.java
index 3eda8ec..9a51b05 100644
--- a/packages/ExternalStorageProvider/src/com/android/externalstorage/ExternalStorageProvider.java
+++ b/packages/ExternalStorageProvider/src/com/android/externalstorage/ExternalStorageProvider.java
@@ -34,6 +34,7 @@
 import android.os.ParcelFileDescriptor;
 import android.os.ParcelFileDescriptor.OnCloseListener;
 import android.os.UserHandle;
+import android.os.storage.DiskInfo;
 import android.os.storage.StorageManager;
 import android.os.storage.VolumeInfo;
 import android.provider.DocumentsContract;
@@ -184,6 +185,14 @@
             root.flags = Root.FLAG_LOCAL_ONLY
                     | Root.FLAG_SUPPORTS_SEARCH | Root.FLAG_SUPPORTS_IS_CHILD;
 
+            final DiskInfo disk = volume.getDisk();
+            if (DEBUG) Log.d(TAG, "Disk for root " + rootId + " is " + disk);
+            if (disk != null && disk.isSd()) {
+                root.flags |= Root.FLAG_REMOVABLE_SD;
+            } else if (disk != null && disk.isUsb()) {
+                root.flags |= Root.FLAG_REMOVABLE_USB;
+            }
+
             if (volume.isPrimary()) {
                 // save off the primary volume for subsequent "Home" dir initialization.
                 primaryVolume = volume;
diff --git a/rs/java/android/renderscript/Allocation.java b/rs/java/android/renderscript/Allocation.java
index 8c78a3a..fc92966 100644
--- a/rs/java/android/renderscript/Allocation.java
+++ b/rs/java/android/renderscript/Allocation.java
@@ -115,7 +115,7 @@
 
         if (cmp == Short.TYPE) {
             if (checkType) {
-                validateIsInt16();
+                validateIsInt16OrFloat16();
                 return mType.mElement.mType;
             }
             return Element.DataType.SIGNED_16;
@@ -402,9 +402,10 @@
             "32 bit integer source does not match allocation type " + mType.mElement.mType);
     }
 
-    private void validateIsInt16() {
+    private void validateIsInt16OrFloat16() {
         if ((mType.mElement.mType == Element.DataType.SIGNED_16) ||
-            (mType.mElement.mType == Element.DataType.UNSIGNED_16)) {
+            (mType.mElement.mType == Element.DataType.UNSIGNED_16) ||
+            (mType.mElement.mType == Element.DataType.FLOAT_16)) {
             return;
         }
         throw new RSIllegalArgumentException(
@@ -751,7 +752,7 @@
      * @param d the source data array
      */
     public void copyFrom(short[] d) {
-        validateIsInt16();
+        validateIsInt16OrFloat16();
         copyFromUnchecked(d, Element.DataType.SIGNED_16, d.length);
     }
 
@@ -1060,7 +1061,7 @@
      * @param d the source data array
      */
     public void copy1DRangeFrom(int off, int count, short[] d) {
-        validateIsInt16();
+        validateIsInt16OrFloat16();
         copy1DRangeFromUnchecked(off, count, d, Element.DataType.SIGNED_16, d.length);
     }
 
@@ -1204,7 +1205,7 @@
      * @param data to be placed into the Allocation
      */
     public void copy2DRangeFrom(int xoff, int yoff, int w, int h, short[] data) {
-        validateIsInt16();
+        validateIsInt16OrFloat16();
         copy2DRangeFromUnchecked(xoff, yoff, w, h, data,
                                  Element.DataType.SIGNED_16, data.length);
     }
@@ -1473,7 +1474,7 @@
      * @param d The array to be set from the Allocation.
      */
     public void copyTo(short[] d) {
-        validateIsInt16();
+        validateIsInt16OrFloat16();
         copyTo(d, Element.DataType.SIGNED_16, d.length);
     }
 
@@ -1693,7 +1694,7 @@
      * @param d the source data array
      */
     public void copy1DRangeTo(int off, int count, short[] d) {
-        validateIsInt16();
+        validateIsInt16OrFloat16();
         copy1DRangeToUnchecked(off, count, d, Element.DataType.SIGNED_16, d.length);
     }
 
@@ -1794,7 +1795,7 @@
      * @param data Dest Array to be copied into
      */
     public void copy2DRangeTo(int xoff, int yoff, int w, int h, short[] data) {
-        validateIsInt16();
+        validateIsInt16OrFloat16();
         copy2DRangeToUnchecked(xoff, yoff, w, h, data,
                                Element.DataType.SIGNED_16, data.length);
     }
diff --git a/rs/jni/android_renderscript_RenderScript.cpp b/rs/jni/android_renderscript_RenderScript.cpp
index 316e530..4877a378 100644
--- a/rs/jni/android_renderscript_RenderScript.cpp
+++ b/rs/jni/android_renderscript_RenderScript.cpp
@@ -151,6 +151,7 @@
         return;                                                                         \
     case RS_TYPE_SIGNED_16:                                                             \
     case RS_TYPE_UNSIGNED_16:                                                           \
+    case RS_TYPE_FLOAT_16:                                                              \
         len = _env->GetArrayLength((jshortArray)data);                                  \
         ptr = _env->GetShortArrayElements((jshortArray)data, flag);                     \
         if (ptr == nullptr) {                                                           \
diff --git a/services/core/java/com/android/server/RecoverySystemService.java b/services/core/java/com/android/server/RecoverySystemService.java
index d237fe7..d284d07 100644
--- a/services/core/java/com/android/server/RecoverySystemService.java
+++ b/services/core/java/com/android/server/RecoverySystemService.java
@@ -17,6 +17,8 @@
 package com.android.server;
 
 import android.content.Context;
+import android.net.LocalSocket;
+import android.net.LocalSocketAddress;
 import android.os.IRecoverySystem;
 import android.os.IRecoverySystemProgressListener;
 import android.os.RecoverySystem;
@@ -26,9 +28,11 @@
 import android.system.Os;
 import android.util.Slog;
 
-import java.io.BufferedReader;
+import libcore.io.IoUtils;
+
+import java.io.DataInputStream;
+import java.io.DataOutputStream;
 import java.io.File;
-import java.io.FileReader;
 import java.io.FileWriter;
 import java.io.IOException;
 
@@ -43,10 +47,10 @@
     private static final String TAG = "RecoverySystemService";
     private static final boolean DEBUG = false;
 
-    // A pipe file to monitor the uncrypt progress.
-    private static final String UNCRYPT_STATUS_FILE = "/cache/recovery/uncrypt_status";
-    // Temporary command file to communicate between the system server and uncrypt.
-    private static final String COMMAND_FILE = "/cache/recovery/command";
+    // The socket at /dev/socket/uncrypt to communicate with uncrypt.
+    private static final String UNCRYPT_SOCKET = "uncrypt";
+
+    private static final int SOCKET_CONNECTION_MAX_RETRY = 30;
 
     private Context mContext;
 
@@ -79,60 +83,63 @@
                 return false;
             }
 
-            // Create the status pipe file to communicate with uncrypt.
-            new File(UNCRYPT_STATUS_FILE).delete();
-            try {
-                Os.mkfifo(UNCRYPT_STATUS_FILE, 0600);
-            } catch (ErrnoException e) {
-                Slog.e(TAG, "ErrnoException when creating named pipe \"" + UNCRYPT_STATUS_FILE +
-                        "\": " + e.getMessage());
-                return false;
-            }
-
             // Trigger uncrypt via init.
             SystemProperties.set("ctl.start", "uncrypt");
 
-            // Read the status from the pipe.
-            try (BufferedReader reader = new BufferedReader(new FileReader(UNCRYPT_STATUS_FILE))) {
+            // Connect to the uncrypt service socket.
+            LocalSocket socket = connectService();
+            if (socket == null) {
+                Slog.e(TAG, "Failed to connect to uncrypt socket");
+                return false;
+            }
+
+            // Read the status from the socket.
+            try (DataInputStream dis = new DataInputStream(socket.getInputStream());
+                    DataOutputStream dos = new DataOutputStream(socket.getOutputStream())) {
                 int lastStatus = Integer.MIN_VALUE;
                 while (true) {
-                    String str = reader.readLine();
-                    try {
-                        int status = Integer.parseInt(str);
+                    int status = dis.readInt();
+                    // Avoid flooding the log with the same message.
+                    if (status == lastStatus && lastStatus != Integer.MIN_VALUE) {
+                        continue;
+                    }
+                    lastStatus = status;
 
-                        // Avoid flooding the log with the same message.
-                        if (status == lastStatus && lastStatus != Integer.MIN_VALUE) {
-                            continue;
-                        }
-                        lastStatus = status;
-
-                        if (status >= 0 && status <= 100) {
-                            // Update status
-                            Slog.i(TAG, "uncrypt read status: " + status);
-                            if (listener != null) {
-                                try {
-                                    listener.onProgress(status);
-                                } catch (RemoteException unused) {
-                                    Slog.w(TAG, "RemoteException when posting progress");
-                                }
+                    if (status >= 0 && status <= 100) {
+                        // Update status
+                        Slog.i(TAG, "uncrypt read status: " + status);
+                        if (listener != null) {
+                            try {
+                                listener.onProgress(status);
+                            } catch (RemoteException unused) {
+                                Slog.w(TAG, "RemoteException when posting progress");
                             }
-                            if (status == 100) {
-                                Slog.i(TAG, "uncrypt successfully finished.");
-                                break;
-                            }
-                        } else {
-                            // Error in /system/bin/uncrypt.
-                            Slog.e(TAG, "uncrypt failed with status: " + status);
-                            return false;
                         }
-                    } catch (NumberFormatException unused) {
-                        Slog.e(TAG, "uncrypt invalid status received: " + str);
+                        if (status == 100) {
+                            Slog.i(TAG, "uncrypt successfully finished.");
+                            // Ack receipt of the final status code. uncrypt
+                            // waits for the ack so the socket won't be
+                            // destroyed before we receive the code.
+                            dos.writeInt(0);
+                            dos.flush();
+                            break;
+                        }
+                    } else {
+                        // Error in /system/bin/uncrypt.
+                        Slog.e(TAG, "uncrypt failed with status: " + status);
+                        // Ack receipt of the final status code. uncrypt waits
+                        // for the ack so the socket won't be destroyed before
+                        // we receive the code.
+                        dos.writeInt(0);
+                        dos.flush();
                         return false;
                     }
                 }
-            } catch (IOException unused) {
-                Slog.e(TAG, "IOException when reading \"" + UNCRYPT_STATUS_FILE + "\".");
+            } catch (IOException e) {
+                Slog.e(TAG, "IOException when reading status: " + e);
                 return false;
+            } finally {
+                IoUtils.closeQuietly(socket);
             }
 
             return true;
@@ -150,29 +157,35 @@
             return setupOrClearBcb(true, command);
         }
 
-        private boolean setupOrClearBcb(boolean isSetup, String command) {
-            mContext.enforceCallingOrSelfPermission(android.Manifest.permission.RECOVERY, null);
-
-            if (isSetup) {
-                // Set up the command file to be read by uncrypt.
-                try (FileWriter commandFile = new FileWriter(COMMAND_FILE)) {
-                    commandFile.write(command + "\n");
-                } catch (IOException e) {
-                    Slog.e(TAG, "IOException when writing \"" + COMMAND_FILE +
-                            "\": " + e.getMessage());
-                    return false;
+        private LocalSocket connectService() {
+            LocalSocket socket = new LocalSocket();
+            boolean done = false;
+            // The uncrypt socket will be created by init upon receiving the
+            // service request. It may not be ready by this point. So we will
+            // keep retrying until success or reaching timeout.
+            for (int retry = 0; retry < SOCKET_CONNECTION_MAX_RETRY; retry++) {
+                try {
+                    socket.connect(new LocalSocketAddress(UNCRYPT_SOCKET,
+                            LocalSocketAddress.Namespace.RESERVED));
+                    done = true;
+                    break;
+                } catch (IOException unused) {
+                    try {
+                        Thread.sleep(1000);
+                    } catch (InterruptedException e) {
+                        Slog.w(TAG, "Interrupted: " + e);
+                    }
                 }
             }
-
-            // Create the status pipe file to communicate with uncrypt.
-            new File(UNCRYPT_STATUS_FILE).delete();
-            try {
-                Os.mkfifo(UNCRYPT_STATUS_FILE, 0600);
-            } catch (ErrnoException e) {
-                Slog.e(TAG, "ErrnoException when creating named pipe \"" +
-                        UNCRYPT_STATUS_FILE + "\": " + e.getMessage());
-                return false;
+            if (!done) {
+                Slog.e(TAG, "Timed out connecting to uncrypt socket");
+                return null;
             }
+            return socket;
+        }
+
+        private boolean setupOrClearBcb(boolean isSetup, String command) {
+            mContext.enforceCallingOrSelfPermission(android.Manifest.permission.RECOVERY, null);
 
             if (isSetup) {
                 SystemProperties.set("ctl.start", "setup-bcb");
@@ -180,34 +193,45 @@
                 SystemProperties.set("ctl.start", "clear-bcb");
             }
 
-            // Read the status from the pipe.
-            try (BufferedReader reader = new BufferedReader(new FileReader(UNCRYPT_STATUS_FILE))) {
-                while (true) {
-                    String str = reader.readLine();
-                    try {
-                        int status = Integer.parseInt(str);
-
-                        if (status == 100) {
-                            Slog.i(TAG, "uncrypt " + (isSetup ? "setup" : "clear") +
-                                    " bcb successfully finished.");
-                            break;
-                        } else {
-                            // Error in /system/bin/uncrypt.
-                            Slog.e(TAG, "uncrypt failed with status: " + status);
-                            return false;
-                        }
-                    } catch (NumberFormatException unused) {
-                        Slog.e(TAG, "uncrypt invalid status received: " + str);
-                        return false;
-                    }
-                }
-            } catch (IOException unused) {
-                Slog.e(TAG, "IOException when reading \"" + UNCRYPT_STATUS_FILE + "\".");
+            // Connect to the uncrypt service socket.
+            LocalSocket socket = connectService();
+            if (socket == null) {
+                Slog.e(TAG, "Failed to connect to uncrypt socket");
                 return false;
             }
 
-            // Delete the command file as we don't need it anymore.
-            new File(COMMAND_FILE).delete();
+            try (DataInputStream dis = new DataInputStream(socket.getInputStream());
+                    DataOutputStream dos = new DataOutputStream(socket.getOutputStream())) {
+                // Send the BCB commands if it's to setup BCB.
+                if (isSetup) {
+                    dos.writeInt(command.length());
+                    dos.writeBytes(command);
+                    dos.flush();
+                }
+
+                // Read the status from the socket.
+                int status = dis.readInt();
+
+                // Ack receipt of the status code. uncrypt waits for the ack so
+                // the socket won't be destroyed before we receive the code.
+                dos.writeInt(0);
+                dos.flush();
+
+                if (status == 100) {
+                    Slog.i(TAG, "uncrypt " + (isSetup ? "setup" : "clear") +
+                            " bcb successfully finished.");
+                } else {
+                    // Error in /system/bin/uncrypt.
+                    Slog.e(TAG, "uncrypt failed with status: " + status);
+                    return false;
+                }
+            } catch (IOException e) {
+                Slog.e(TAG, "IOException when getting output stream: " + e);
+                return false;
+            } finally {
+                IoUtils.closeQuietly(socket);
+            }
+
             return true;
         }
     }
diff --git a/services/core/java/com/android/server/am/ActivityManagerDebugConfig.java b/services/core/java/com/android/server/am/ActivityManagerDebugConfig.java
index 4f0d4d9..f2bf4f9 100644
--- a/services/core/java/com/android/server/am/ActivityManagerDebugConfig.java
+++ b/services/core/java/com/android/server/am/ActivityManagerDebugConfig.java
@@ -46,6 +46,7 @@
 
     // Available log categories in the activity manager package.
     static final boolean DEBUG_ADD_REMOVE = DEBUG_ALL_ACTIVITIES || false;
+    static final boolean DEBUG_ANR = false;
     static final boolean DEBUG_APP = DEBUG_ALL_ACTIVITIES || false;
     static final boolean DEBUG_BACKUP = DEBUG_ALL || false;
     static final boolean DEBUG_BROADCAST = DEBUG_ALL || false;
diff --git a/services/core/java/com/android/server/am/ActivityManagerService.java b/services/core/java/com/android/server/am/ActivityManagerService.java
index 565ec82..3dfa58b 100644
--- a/services/core/java/com/android/server/am/ActivityManagerService.java
+++ b/services/core/java/com/android/server/am/ActivityManagerService.java
@@ -284,6 +284,7 @@
 import static com.android.internal.util.XmlUtils.writeIntAttribute;
 import static com.android.internal.util.XmlUtils.writeLongAttribute;
 import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_ALL;
+import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_ANR;
 import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_BACKUP;
 import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_BROADCAST;
 import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_BROADCAST_BACKGROUND;
@@ -5091,8 +5092,13 @@
                     int num = firstPids.size();
                     for (int i = 0; i < num; i++) {
                         synchronized (observer) {
+                            if (DEBUG_ANR) Slog.d(TAG, "Collecting stacks for pid "
+                                    + firstPids.get(i));
+                            final long sime = SystemClock.elapsedRealtime();
                             Process.sendSignal(firstPids.get(i), Process.SIGNAL_QUIT);
-                            observer.wait(200);  // Wait for write-close, give up after 200msec
+                            observer.wait(1000);  // Wait for write-close, give up after 1 sec
+                            if (DEBUG_ANR) Slog.d(TAG, "Done with pid " + firstPids.get(i)
+                                    + " in " + (SystemClock.elapsedRealtime()-sime) + "ms");
                         }
                     }
                 } catch (InterruptedException e) {
@@ -5105,7 +5111,11 @@
                 int[] pids = Process.getPidsForCommands(nativeProcs);
                 if (pids != null) {
                     for (int pid : pids) {
+                        if (DEBUG_ANR) Slog.d(TAG, "Collecting stacks for native pid " + pid);
+                        final long sime = SystemClock.elapsedRealtime();
                         Debug.dumpNativeBacktraceToFile(pid, tracesPath);
+                        if (DEBUG_ANR) Slog.d(TAG, "Done with native pid " + pid
+                                + " in " + (SystemClock.elapsedRealtime()-sime) + "ms");
                     }
                 }
             }
@@ -5132,13 +5142,20 @@
                         numProcs++;
                         try {
                             synchronized (observer) {
+                                if (DEBUG_ANR) Slog.d(TAG, "Collecting stacks for extra pid "
+                                        + stats.pid);
+                                final long stime = SystemClock.elapsedRealtime();
                                 Process.sendSignal(stats.pid, Process.SIGNAL_QUIT);
-                                observer.wait(200);  // Wait for write-close, give up after 200msec
+                                observer.wait(1000);  // Wait for write-close, give up after 1 sec
+                                if (DEBUG_ANR) Slog.d(TAG, "Done with extra pid " + stats.pid
+                                        + " in " + (SystemClock.elapsedRealtime()-stime) + "ms");
                             }
                         } catch (InterruptedException e) {
                             Slog.wtf(TAG, e);
                         }
-
+                    } else if (DEBUG_ANR) {
+                        Slog.d(TAG, "Skipping next CPU consuming process, not a java proc: "
+                                + stats.pid);
                     }
                 }
             }
@@ -10784,12 +10801,13 @@
             return;
         }
 
-        final long token = Binder.clearCallingIdentity();
-        try {
-            mAppErrors.appNotResponding(host, null, null, false, "ContentProvider not responding");
-        } finally {
-            Binder.restoreCallingIdentity(token);
-        }
+        mHandler.post(new Runnable() {
+            @Override
+            public void run() {
+                mAppErrors.appNotResponding(host, null, null, false,
+                        "ContentProvider not responding");
+            }
+        });
     }
 
     public final void installSystemProviders() {
@@ -18701,6 +18719,7 @@
                                         && clientAdj < ProcessList.PERCEPTIBLE_APP_ADJ
                                         && adj > ProcessList.PERCEPTIBLE_APP_ADJ) {
                                     adj = ProcessList.PERCEPTIBLE_APP_ADJ;
+                                    schedGroup = Process.THREAD_GROUP_DEFAULT;
                                 } else if (clientAdj >= ProcessList.PERCEPTIBLE_APP_ADJ) {
                                     adj = clientAdj;
                                 } else {
diff --git a/services/core/java/com/android/server/am/AppErrors.java b/services/core/java/com/android/server/am/AppErrors.java
index 055935d..6cd7561 100644
--- a/services/core/java/com/android/server/am/AppErrors.java
+++ b/services/core/java/com/android/server/am/AppErrors.java
@@ -61,6 +61,7 @@
 import java.util.concurrent.Semaphore;
 
 import static com.android.server.Watchdog.NATIVE_STACKS_OF_INTEREST;
+import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_ANR;
 import static com.android.server.am.ActivityManagerDebugConfig.TAG_AM;
 import static com.android.server.am.ActivityManagerDebugConfig.TAG_WITH_CLASS_NAME;
 import static com.android.server.am.ActivityManagerService.MY_PID;
@@ -806,8 +807,10 @@
                     if (pid > 0 && pid != app.pid && pid != parentPid && pid != MY_PID) {
                         if (r.persistent) {
                             firstPids.add(pid);
+                            if (DEBUG_ANR) Slog.i(TAG, "Adding persistent proc: " + r);
                         } else {
                             lastPids.put(pid, Boolean.TRUE);
+                            if (DEBUG_ANR) Slog.i(TAG, "Adding ANR proc: " + r);
                         }
                     }
                 }
diff --git a/services/core/java/com/android/server/audio/AudioService.java b/services/core/java/com/android/server/audio/AudioService.java
index 5a3639a..f2a9c2c 100644
--- a/services/core/java/com/android/server/audio/AudioService.java
+++ b/services/core/java/com/android/server/audio/AudioService.java
@@ -849,7 +849,7 @@
             AudioSystem.setForceUse(AudioSystem.FOR_DOCK,
                     mDockAudioMediaEnabled ?
                             AudioSystem.FORCE_ANALOG_DOCK : AudioSystem.FORCE_NONE);
-            readEncodedSurroundMode(mContentResolver);
+            sendEncodedSurroundMode(mContentResolver);
         }
         if (mHdmiManager != null) {
             synchronized (mHdmiManager) {
@@ -1023,7 +1023,7 @@
         AudioSystem.setMasterMono(masterMono);
     }
 
-    private void readEncodedSurroundMode(ContentResolver cr)
+    private void sendEncodedSurroundMode(ContentResolver cr)
     {
         int encodedSurroundMode = Settings.Global.getInt(
                 cr, Settings.Global.ENCODED_SURROUND_OUTPUT,
@@ -1102,7 +1102,7 @@
 
             updateRingerModeAffectedStreams();
             readDockAudioSettings(cr);
-            readEncodedSurroundMode(cr);
+            sendEncodedSurroundMode(cr);
         }
 
         mMuteAffectedStreams = System.getIntForUser(cr,
@@ -4642,6 +4642,8 @@
 
     private class SettingsObserver extends ContentObserver {
 
+        private int mEncodedSurroundMode;
+
         SettingsObserver() {
             super(new Handler());
             mContentResolver.registerContentObserver(Settings.System.getUriFor(
@@ -4650,6 +4652,12 @@
                 Settings.Global.DOCK_AUDIO_MEDIA_ENABLED), false, this);
             mContentResolver.registerContentObserver(Settings.System.getUriFor(
                     Settings.System.MASTER_MONO), false, this);
+
+            mEncodedSurroundMode = Settings.Global.getInt(
+                    mContentResolver, Settings.Global.ENCODED_SURROUND_OUTPUT,
+                    Settings.Global.ENCODED_SURROUND_OUTPUT_AUTO);
+            mContentResolver.registerContentObserver(Settings.Global.getUriFor(
+                    Settings.Global.ENCODED_SURROUND_OUTPUT), false, this);
         }
 
         @Override
@@ -4669,7 +4677,33 @@
                 }
                 readDockAudioSettings(mContentResolver);
                 updateMasterMono(mContentResolver);
-                readEncodedSurroundMode(mContentResolver);
+                updateEncodedSurroundOutput();
+            }
+        }
+
+        private void updateEncodedSurroundOutput() {
+            int newSurroundMode = Settings.Global.getInt(
+                mContentResolver, Settings.Global.ENCODED_SURROUND_OUTPUT,
+                Settings.Global.ENCODED_SURROUND_OUTPUT_AUTO);
+            // Did it change?
+            if (mEncodedSurroundMode != newSurroundMode) {
+                // Send to AudioPolicyManager
+                sendEncodedSurroundMode(newSurroundMode);
+                synchronized(mConnectedDevices) {
+                    // Is HDMI connected?
+                    String key = makeDeviceListKey(AudioSystem.DEVICE_OUT_HDMI, "");
+                    DeviceListSpec deviceSpec = mConnectedDevices.get(key);
+                    if (deviceSpec != null) {
+                        // Toggle HDMI to retrigger broadcast with proper formats.
+                        setWiredDeviceConnectionState(AudioSystem.DEVICE_OUT_HDMI,
+                                AudioSystem.DEVICE_STATE_UNAVAILABLE, "", "",
+                                "android"); // disconnect
+                        setWiredDeviceConnectionState(AudioSystem.DEVICE_OUT_HDMI,
+                                AudioSystem.DEVICE_STATE_AVAILABLE, "", "",
+                                "android"); // reconnect
+                    }
+                }
+                mEncodedSurroundMode = newSurroundMode;
             }
         }
     }