Merge "AAPT2: Variety of small fixes to get the build working"
diff --git a/api/current.txt b/api/current.txt
index 51008c1..54e5ff8 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -22552,7 +22552,7 @@
     method public int[] getObjectHandles(int, int, int);
     method public android.mtp.MtpObjectInfo getObjectInfo(int);
     method public long getParent(int);
-    method public int getPartialObject(int, int, int, byte[]) throws java.io.IOException;
+    method public long getPartialObject(int, long, long, byte[]) throws java.io.IOException;
     method public long getStorageId(int);
     method public int[] getStorageIds();
     method public android.mtp.MtpStorageInfo getStorageInfo(int);
@@ -29376,6 +29376,22 @@
     field public static final java.lang.String _ID = "_id";
   }
 
+  public class BlockedNumberContract {
+    method public static boolean isBlocked(android.content.Context, java.lang.String);
+    field public static final java.lang.String AUTHORITY = "com.android.blockednumber";
+    field public static final android.net.Uri AUTHORITY_URI;
+  }
+
+  public static class BlockedNumberContract.BlockedNumbers {
+    field public static final java.lang.String COLUMN_E164_NUMBER = "e164_number";
+    field public static final java.lang.String COLUMN_ID = "_id";
+    field public static final java.lang.String COLUMN_ORIGINAL_NUMBER = "original_number";
+    field public static final java.lang.String COLUMN_STRIPPED_NUMBER = "stripped_number";
+    field public static final java.lang.String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/blocked_number";
+    field public static final java.lang.String CONTENT_TYPE = "vnd.android.cursor.dir/blocked_numbers";
+    field public static final android.net.Uri CONTENT_URI;
+  }
+
   public class Browser {
     ctor public Browser();
     method public static final void sendString(android.content.Context, java.lang.String);
diff --git a/api/system-current.txt b/api/system-current.txt
index b3d31bb..635292d 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -24107,7 +24107,7 @@
     method public int[] getObjectHandles(int, int, int);
     method public android.mtp.MtpObjectInfo getObjectInfo(int);
     method public long getParent(int);
-    method public int getPartialObject(int, int, int, byte[]) throws java.io.IOException;
+    method public long getPartialObject(int, long, long, byte[]) throws java.io.IOException;
     method public long getStorageId(int);
     method public int[] getStorageIds();
     method public android.mtp.MtpStorageInfo getStorageInfo(int);
@@ -31389,6 +31389,22 @@
     field public static final java.lang.String _ID = "_id";
   }
 
+  public class BlockedNumberContract {
+    method public static boolean isBlocked(android.content.Context, java.lang.String);
+    field public static final java.lang.String AUTHORITY = "com.android.blockednumber";
+    field public static final android.net.Uri AUTHORITY_URI;
+  }
+
+  public static class BlockedNumberContract.BlockedNumbers {
+    field public static final java.lang.String COLUMN_E164_NUMBER = "e164_number";
+    field public static final java.lang.String COLUMN_ID = "_id";
+    field public static final java.lang.String COLUMN_ORIGINAL_NUMBER = "original_number";
+    field public static final java.lang.String COLUMN_STRIPPED_NUMBER = "stripped_number";
+    field public static final java.lang.String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/blocked_number";
+    field public static final java.lang.String CONTENT_TYPE = "vnd.android.cursor.dir/blocked_numbers";
+    field public static final android.net.Uri CONTENT_URI;
+  }
+
   public class Browser {
     ctor public Browser();
     method public static final void sendString(android.content.Context, java.lang.String);
diff --git a/api/test-current.txt b/api/test-current.txt
index 1229ff6..81f8b73 100644
--- a/api/test-current.txt
+++ b/api/test-current.txt
@@ -22560,7 +22560,7 @@
     method public int[] getObjectHandles(int, int, int);
     method public android.mtp.MtpObjectInfo getObjectInfo(int);
     method public long getParent(int);
-    method public int getPartialObject(int, int, int, byte[]) throws java.io.IOException;
+    method public long getPartialObject(int, long, long, byte[]) throws java.io.IOException;
     method public long getStorageId(int);
     method public int[] getStorageIds();
     method public android.mtp.MtpStorageInfo getStorageInfo(int);
@@ -29388,6 +29388,22 @@
     field public static final java.lang.String _ID = "_id";
   }
 
+  public class BlockedNumberContract {
+    method public static boolean isBlocked(android.content.Context, java.lang.String);
+    field public static final java.lang.String AUTHORITY = "com.android.blockednumber";
+    field public static final android.net.Uri AUTHORITY_URI;
+  }
+
+  public static class BlockedNumberContract.BlockedNumbers {
+    field public static final java.lang.String COLUMN_E164_NUMBER = "e164_number";
+    field public static final java.lang.String COLUMN_ID = "_id";
+    field public static final java.lang.String COLUMN_ORIGINAL_NUMBER = "original_number";
+    field public static final java.lang.String COLUMN_STRIPPED_NUMBER = "stripped_number";
+    field public static final java.lang.String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/blocked_number";
+    field public static final java.lang.String CONTENT_TYPE = "vnd.android.cursor.dir/blocked_numbers";
+    field public static final android.net.Uri CONTENT_URI;
+  }
+
   public class Browser {
     ctor public Browser();
     method public static final void sendString(android.content.Context, java.lang.String);
diff --git a/core/java/android/content/Intent.java b/core/java/android/content/Intent.java
index 519e5a0..e7f886d 100644
--- a/core/java/android/content/Intent.java
+++ b/core/java/android/content/Intent.java
@@ -3043,7 +3043,7 @@
      * This is a protected intent that can only be sent by the system.
      * </p>
      * <p class="note">
-     * This requires the RECEIVE_MEDIA_RESOURCE_USAGE permission.
+     * This requires {@link android.Manifest.permission#RECEIVE_MEDIA_RESOURCE_USAGE} permission.
      * </p>
      *
      * @hide
@@ -4097,10 +4097,10 @@
     public static final String EXTRA_QUIET_MODE = "android.intent.extra.QUIET_MODE";
 
     /**
-     * Used as an int extra field in {@link android.content.Intent#ACTION_MEDIA_RESOURCE_GRANTED}
+     * Used as an int extra field in {@link #ACTION_MEDIA_RESOURCE_GRANTED}
      * intents to specify the resource type granted. Possible values are
-     * {@link android.content.Intent#EXTRA_MEDIA_RESOURCE_TYPE_VIDEO_CODEC} or
-     * {@link android.content.Intent#EXTRA_MEDIA_RESOURCE_TYPE_AUDIO_CODEC}.
+     * {@link #EXTRA_MEDIA_RESOURCE_TYPE_VIDEO_CODEC} or
+     * {@link #EXTRA_MEDIA_RESOURCE_TYPE_AUDIO_CODEC}.
      *
      * @hide
      */
@@ -4108,7 +4108,7 @@
             "android.intent.extra.MEDIA_RESOURCE_TYPE";
 
     /**
-     * Used as an int value for {@link android.content.Intent#EXTRA_MEDIA_RESOURCE_TYPE}
+     * Used as an int value for {@link #EXTRA_MEDIA_RESOURCE_TYPE}
      * to represent that a video codec is allowed to use.
      *
      * @hide
@@ -4116,7 +4116,7 @@
     public static final int EXTRA_MEDIA_RESOURCE_TYPE_VIDEO_CODEC = 0;
 
     /**
-     * Used as an int value for {@link android.content.Intent#EXTRA_MEDIA_RESOURCE_TYPE}
+     * Used as an int value for {@link #EXTRA_MEDIA_RESOURCE_TYPE}
      * to represent that a audio codec is allowed to use.
      *
      * @hide
diff --git a/core/java/android/provider/BlockedNumberContract.java b/core/java/android/provider/BlockedNumberContract.java
new file mode 100644
index 0000000..03e0e11
--- /dev/null
+++ b/core/java/android/provider/BlockedNumberContract.java
@@ -0,0 +1,134 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License
+ */
+package android.provider;
+
+import android.content.Context;
+import android.net.Uri;
+import android.os.Bundle;
+
+/**
+ * Constants and methods to access blocked phone numbers for incoming calls and texts.
+ *
+ * TODO javadoc
+ * - Proper javadoc tagging.
+ * - Code sample?
+ * - Describe who can access it.
+ */
+public class BlockedNumberContract {
+    private BlockedNumberContract() {
+    }
+
+    /** The authority for the contacts provider */
+    public static final String AUTHORITY = "com.android.blockednumber";
+
+    /** A content:// style uri to the authority for the contacts provider */
+    public static final Uri AUTHORITY_URI = Uri.parse("content://" + AUTHORITY);
+
+    /**
+     * TODO javadoc
+     *
+     * Constants to interact with the blocked phone number list.
+     */
+    public static class BlockedNumbers {
+        private BlockedNumbers() {
+        }
+
+        /**
+         * TODO javadoc
+         *
+         * Content URI for the blocked numbers.
+         *
+         * Supported operations
+         * blocked
+         * - query
+         * - delete
+         * - insert
+         *
+         * blocked/ID
+         * - query (selection is not supported)
+         * - delete (selection is not supported)
+         */
+        public static final Uri CONTENT_URI = Uri.withAppendedPath(AUTHORITY_URI,
+                "blocked");
+
+        /**
+         * The MIME type of {@link #CONTENT_URI} itself providing a directory of blocked phone
+         * numbers.
+         */
+        public static final String CONTENT_TYPE = "vnd.android.cursor.dir/blocked_numbers";
+
+        /**
+         * The MIME type of a blocked phone number under {@link #CONTENT_URI}.
+         */
+        public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/blocked_number";
+
+        /**
+         * Auto-generated ID field which monotonically increases.
+         * <p>TYPE: long</p>
+         */
+        public static final String COLUMN_ID = "_id";
+
+        /**
+         * Phone number to block.
+         * <p>Must be specified in {@code insert}.
+         * <p>TYPE: String</p>
+         */
+        public static final String COLUMN_ORIGINAL_NUMBER = "original_number";
+
+        /**
+         * Phone number to block.  The system generates it from {@link #COLUMN_ORIGINAL_NUMBER}
+         * by removing all formatting characters.
+         * <p>Must NOT be specified in {@code insert}.
+         * <p>TYPE: String</p>
+         */
+        public static final String COLUMN_STRIPPED_NUMBER = "stripped_number";
+
+        /**
+         * Phone number to block.  The system generates it from {@link #COLUMN_ORIGINAL_NUMBER}
+         * by removing all formatting characters.
+         * <p>Optional in {@code insert}.  When not specified, the system tries to generate it
+         * assuming the current country. (Which will still be null if the number is not valid.)
+         * <p>TYPE: String</p>
+         */
+        public static final String COLUMN_E164_NUMBER = "e164_number";
+
+        /** @hide */
+        public static final String COLUMN_INDEX_STRIPPED = "index_stripped";
+
+        /** @hide */
+        public static final String COLUMN_INDEX_E164 = "index_e164";
+    }
+
+    /** @hide */
+    public static final String METHOD_IS_BLOCKED = "is_blocked";
+
+    /** @hide */
+    public static final String RES_NUMBER_IS_BLOCKED = "blocked";
+
+    /**
+     * Returns whether a given number is in the blocked list.
+     *
+     * TODO This should probably catch IllegalArgumentException to guard against the case where
+     * the provider is encrypted or the user is not running.
+     * (See addEntryAndRemoveExpiredEntries() in
+     * http://ag/#/c/844426/3/core/java/android/provider/CallLog.java)
+     */
+    public static boolean isBlocked(Context context, String phoneNumber) {
+        final Bundle res = context.getContentResolver().call(AUTHORITY_URI,
+                METHOD_IS_BLOCKED, phoneNumber, null);
+        return res != null && res.getBoolean(RES_NUMBER_IS_BLOCKED, false);
+    }
+}
diff --git a/core/java/android/provider/Settings.java b/core/java/android/provider/Settings.java
index a6485e4..3e06ecf 100644
--- a/core/java/android/provider/Settings.java
+++ b/core/java/android/provider/Settings.java
@@ -7456,10 +7456,12 @@
          * The following keys are supported:
          *
          * <pre>
-         * idle_duration        (long)
+         * idle_duration2       (long)
          * wallclock_threshold  (long)
          * parole_interval      (long)
          * parole_duration      (long)
+         *
+         * idle_duration        (long) // This is deprecated and used to circumvent b/26355386.
          * </pre>
          *
          * <p>
diff --git a/core/java/com/android/internal/policy/DividerSnapAlgorithm.java b/core/java/com/android/internal/policy/DividerSnapAlgorithm.java
index e79f1b8..fdf5f84 100644
--- a/core/java/com/android/internal/policy/DividerSnapAlgorithm.java
+++ b/core/java/com/android/internal/policy/DividerSnapAlgorithm.java
@@ -62,6 +62,7 @@
 
     private final SnapTarget mDismissStartTarget;
     private final SnapTarget mDismissEndTarget;
+    private final SnapTarget mMiddleTarget;
 
     public DividerSnapAlgorithm(Resources res, float minFlingVelocityPxPerSecond,
             int displayWidth, int displayHeight, int dividerSize, boolean isHorizontalDivision,
@@ -80,6 +81,7 @@
         mLastSplitTarget = mTargets.get(mTargets.size() - 2);
         mDismissStartTarget = mTargets.get(0);
         mDismissEndTarget = mTargets.get(mTargets.size() - 1);
+        mMiddleTarget = mTargets.get(mTargets.size() / 2);
     }
 
     public SnapTarget calculateSnapTarget(int position, float velocity) {
@@ -215,6 +217,10 @@
                 SnapTarget.FLAG_NONE));
     }
 
+    public SnapTarget getMiddleTarget() {
+        return mMiddleTarget;
+    }
+
     /**
      * Represents a snap target for the divider.
      */
diff --git a/core/java/com/android/internal/util/Preconditions.java b/core/java/com/android/internal/util/Preconditions.java
index b692a18..5127408 100644
--- a/core/java/com/android/internal/util/Preconditions.java
+++ b/core/java/com/android/internal/util/Preconditions.java
@@ -218,6 +218,33 @@
     }
 
     /**
+     * Ensures that the argument long value is within the inclusive range.
+     *
+     * @param value a long value
+     * @param lower the lower endpoint of the inclusive range
+     * @param upper the upper endpoint of the inclusive range
+     * @param valueName the name of the argument to use if the check fails
+     *
+     * @return the validated long value
+     *
+     * @throws IllegalArgumentException if {@code value} was not within the range
+     */
+    public static long checkArgumentInRange(long value, long lower, long upper,
+            String valueName) {
+        if (value < lower) {
+            throw new IllegalArgumentException(
+                    String.format(
+                            "%s is out of range of [%d, %d] (too low)", valueName, lower, upper));
+        } else if (value > upper) {
+            throw new IllegalArgumentException(
+                    String.format(
+                            "%s is out of range of [%d, %d] (too high)", valueName, lower, upper));
+        }
+
+        return value;
+    }
+
+    /**
      * Ensures that the array is not {@code null}, and none of its elements are {@code null}.
      *
      * @param value an array of boxed objects
diff --git a/libs/hwui/VectorDrawable.cpp b/libs/hwui/VectorDrawable.cpp
index 56cb104..793df92 100644
--- a/libs/hwui/VectorDrawable.cpp
+++ b/libs/hwui/VectorDrawable.cpp
@@ -407,8 +407,9 @@
     float canvasScaleY = 1.0f;
     if (mCanvasMatrix.getSkewX() == 0 && mCanvasMatrix.getSkewY() == 0) {
         // Only use the scale value when there's no skew or rotation in the canvas matrix.
-        canvasScaleX = mCanvasMatrix.getScaleX();
-        canvasScaleY = mCanvasMatrix.getScaleY();
+        // TODO: Add a cts test for drawing VD on a canvas with negative scaling factors.
+        canvasScaleX = fabs(mCanvasMatrix.getScaleX());
+        canvasScaleY = fabs(mCanvasMatrix.getScaleY());
     }
     int scaledWidth = (int) (mBounds.width() * canvasScaleX);
     int scaledHeight = (int) (mBounds.height() * canvasScaleY);
diff --git a/media/java/android/mtp/MtpDevice.java b/media/java/android/mtp/MtpDevice.java
index d24c5e8..4379a99 100644
--- a/media/java/android/mtp/MtpDevice.java
+++ b/media/java/android/mtp/MtpDevice.java
@@ -21,6 +21,8 @@
 import android.os.CancellationSignal;
 import android.os.ParcelFileDescriptor;
 
+import com.android.internal.util.Preconditions;
+
 import java.io.IOException;
 
 /**
@@ -164,12 +166,14 @@
      * of the data and speed of the devices.
      *
      * @param objectHandle handle of the object to read
-     * @param offset Start index of reading range.
-     * @param size Size of reading range.
+     * @param offset Start index of reading range. It must be a non-negative value at most
+     *     0xffffffff.
+     * @param size Size of reading range. It must be a non-negative value at most 0xffffffff. If
+     *     0xffffffff is specified, the method obtains the full bytes of object.
      * @param buffer Array to write data.
      * @return Size of bytes that are actually read.
      */
-    public int getPartialObject(int objectHandle, int offset, int size, byte[] buffer)
+    public long getPartialObject(int objectHandle, long offset, long size, byte[] buffer)
             throws IOException {
         return native_get_partial_object(objectHandle, offset, size, buffer);
     }
@@ -340,8 +344,8 @@
     private native int[] native_get_object_handles(int storageId, int format, int objectHandle);
     private native MtpObjectInfo native_get_object_info(int objectHandle);
     private native byte[] native_get_object(int objectHandle, int objectSize);
-    private native int native_get_partial_object(
-            int objectHandle, int offset, int objectSize, byte[] buffer) throws IOException;
+    private native long native_get_partial_object(
+            int objectHandle, long offset, long objectSize, byte[] buffer) throws IOException;
     private native byte[] native_get_thumbnail(int objectHandle);
     private native boolean native_delete_object(int objectHandle);
     private native long native_get_parent(int objectHandle);
diff --git a/media/jni/android_mtp_MtpDevice.cpp b/media/jni/android_mtp_MtpDevice.cpp
index 130dfe5..b1b3b62 100644
--- a/media/jni/android_mtp_MtpDevice.cpp
+++ b/media/jni/android_mtp_MtpDevice.cpp
@@ -372,12 +372,12 @@
     return nullptr;
 }
 
-static jint
+static jlong
 android_mtp_MtpDevice_get_partial_object(JNIEnv *env,
                                          jobject thiz,
                                          jint objectID,
-                                         jint offset,
-                                         jint size,
+                                         jlong offset,
+                                         jlong size,
                                          jbyteArray array)
 {
     if (!array) {
@@ -385,6 +385,22 @@
         return -1;
     }
 
+    if (offset < 0 || 0xffffffffL < offset) {
+        jniThrowException(
+                env,
+                "java/lang/IllegalArgumentException",
+                "Offset argument must be a 32-bit unsigned integer.");
+        return -1;
+    }
+
+    if (size < 0 || 0xffffffffL < size) {
+        jniThrowException(
+                env,
+                "java/lang/IllegalArgumentException",
+                "Size argument must be a 32-bit unsigned integer.");
+        return -1;
+    }
+
     MtpDevice* const device = get_device_from_object(env, thiz);
     if (!device) {
         jniThrowException(env, "java/io/IOException", "Failed to obtain MtpDevice.");
@@ -393,16 +409,13 @@
 
     JavaArrayWriter writer(env, array);
     uint32_t written_size;
-    bool success = device->readPartialObject(
+    const bool success = device->readPartialObject(
             objectID, offset, size, &written_size, JavaArrayWriter::writeTo, &writer);
     if (!success) {
         jniThrowException(env, "java/io/IOException", "Failed to read data.");
         return -1;
     }
-    // Note: assumption here is that a negative value will be treated as unsigned on the Java
-    //       level.
-    // TODO: Make sure that actually holds.
-    return static_cast<jint>(written_size);
+    return static_cast<jlong>(written_size);
 }
 
 static jbyteArray
@@ -615,7 +628,7 @@
     {"native_get_object_info",  "(I)Landroid/mtp/MtpObjectInfo;",
                                         (void *)android_mtp_MtpDevice_get_object_info},
     {"native_get_object",       "(II)[B",(void *)android_mtp_MtpDevice_get_object},
-    {"native_get_partial_object", "(III[B)I", (void *)android_mtp_MtpDevice_get_partial_object},
+    {"native_get_partial_object", "(IJJ[B)J", (void *)android_mtp_MtpDevice_get_partial_object},
     {"native_get_thumbnail",    "(I)[B",(void *)android_mtp_MtpDevice_get_thumbnail},
     {"native_delete_object",    "(I)Z", (void *)android_mtp_MtpDevice_delete_object},
     {"native_get_parent",       "(I)J", (void *)android_mtp_MtpDevice_get_parent},
diff --git a/packages/SystemUI/src/com/android/systemui/recents/RecentsImpl.java b/packages/SystemUI/src/com/android/systemui/recents/RecentsImpl.java
index ddeb8dc..60a2ee5 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/RecentsImpl.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/RecentsImpl.java
@@ -110,9 +110,7 @@
 
         /** Preloads the next task */
         public void run() {
-            // TODO: Temporarily skip this if multi stack is enabled
-            /*
-            RecentsConfiguration config = RecentsConfiguration.getInstance();
+            RecentsConfiguration config = Recents.getConfiguration();
             if (config.svelteLevel == RecentsConfiguration.SVELTE_NONE) {
                 RecentsTaskLoader loader = Recents.getTaskLoader();
                 SystemServicesProxy ssp = Recents.getSystemServices();
@@ -134,7 +132,6 @@
                 launchOpts.onlyLoadPausedActivities = true;
                 loader.loadTasks(mContext, plan, launchOpts);
             }
-            */
         }
     }
 
diff --git a/services/core/java/com/android/server/am/ActivityStack.java b/services/core/java/com/android/server/am/ActivityStack.java
index 2ee2168..8e68aec 100644
--- a/services/core/java/com/android/server/am/ActivityStack.java
+++ b/services/core/java/com/android/server/am/ActivityStack.java
@@ -1179,8 +1179,12 @@
             prev.cpuTimeAtResume = 0; // reset it
         }
 
-        // Notfiy when the task stack has changed
-        mService.notifyTaskStackChangedLocked();
+        // Notify when the task stack has changed, but only if visibilities changed (not just
+        // focus).
+        if (mStackSupervisor.mAppVisibilitiesChangedSinceLastPause) {
+            mService.notifyTaskStackChangedLocked();
+            mStackSupervisor.mAppVisibilitiesChangedSinceLastPause = false;
+        }
     }
 
     private void addToStopping(ActivityRecord r) {
@@ -1257,6 +1261,7 @@
             ActivityContainer container = containers.get(containerNdx);
             container.setVisible(visible);
         }
+        mStackSupervisor.mAppVisibilitiesChangedSinceLastPause = true;
     }
 
     // Find the first visible activity above the passed activity and if it is translucent return it
diff --git a/services/core/java/com/android/server/am/ActivityStackSupervisor.java b/services/core/java/com/android/server/am/ActivityStackSupervisor.java
index 022b60b..e837d9a 100644
--- a/services/core/java/com/android/server/am/ActivityStackSupervisor.java
+++ b/services/core/java/com/android/server/am/ActivityStackSupervisor.java
@@ -399,6 +399,12 @@
     private final FindTaskResult mTmpFindTaskResult = new FindTaskResult();
 
     /**
+     * Used to keep track whether app visibilities got changed since the last pause. Useful to
+     * determine whether to invoke the task stack change listener after pausing.
+     */
+    boolean mAppVisibilitiesChangedSinceLastPause;
+
+    /**
      * Description of a request to start a new activity, which has been held
      * due to app switches being disabled.
      */
diff --git a/services/core/java/com/android/server/policy/ShortcutManager.java b/services/core/java/com/android/server/policy/ShortcutManager.java
index 9908624..9284442 100644
--- a/services/core/java/com/android/server/policy/ShortcutManager.java
+++ b/services/core/java/com/android/server/policy/ShortcutManager.java
@@ -26,6 +26,7 @@
 import android.util.Log;
 import android.util.SparseArray;
 import android.view.KeyCharacterMap;
+import android.view.KeyEvent;
 import com.android.internal.util.XmlUtils;
 import org.xmlpull.v1.XmlPullParser;
 import org.xmlpull.v1.XmlPullParserException;
@@ -47,8 +48,10 @@
     private static final String ATTRIBUTE_CLASS = "class";
     private static final String ATTRIBUTE_SHORTCUT = "shortcut";
     private static final String ATTRIBUTE_CATEGORY = "category";
+    private static final String ATTRIBUTE_SHIFT = "shift";
 
     private final SparseArray<ShortcutInfo> mShortcuts = new SparseArray<>();
+    private final SparseArray<ShortcutInfo> mShiftShortcuts = new SparseArray<>();
 
     private final Context mContext;
     
@@ -75,17 +78,21 @@
     public Intent getIntent(KeyCharacterMap kcm, int keyCode, int metaState) {
         ShortcutInfo shortcut = null;
 
+        // If the Shift key is preesed, then search for the shift shortcuts.
+        boolean isShiftOn = (metaState & KeyEvent.META_SHIFT_ON) == KeyEvent.META_SHIFT_ON;
+        SparseArray<ShortcutInfo> shortcutMap = isShiftOn ? mShiftShortcuts : mShortcuts;
+
         // First try the exact keycode (with modifiers).
         int shortcutChar = kcm.get(keyCode, metaState);
         if (shortcutChar != 0) {
-            shortcut = mShortcuts.get(shortcutChar);
+            shortcut = shortcutMap.get(shortcutChar);
         }
 
         // Next try the primary character on that key.
         if (shortcut == null) {
             shortcutChar = Character.toLowerCase(kcm.getDisplayLabel(keyCode));
             if (shortcutChar != 0) {
-                shortcut = mShortcuts.get(shortcutChar);
+                shortcut = shortcutMap.get(shortcutChar);
             }
         }
 
@@ -114,6 +121,7 @@
                 String className = parser.getAttributeValue(null, ATTRIBUTE_CLASS);
                 String shortcutName = parser.getAttributeValue(null, ATTRIBUTE_SHORTCUT);
                 String categoryName = parser.getAttributeValue(null, ATTRIBUTE_CATEGORY);
+                String shiftName = parser.getAttributeValue(null, ATTRIBUTE_SHIFT);
 
                 if (TextUtils.isEmpty(shortcutName)) {
                     Log.w(TAG, "Unable to get shortcut for: " + packageName + "/" + className);
@@ -121,6 +129,7 @@
                 }
 
                 final int shortcutChar = shortcutName.charAt(0);
+                final boolean isShiftShortcut = (shiftName != null && shiftName.equals("true"));
 
                 final Intent intent;
                 final String title;
@@ -158,7 +167,11 @@
                 }
 
                 ShortcutInfo shortcut = new ShortcutInfo(title, intent);
-                mShortcuts.put(shortcutChar, shortcut);
+                if (isShiftShortcut) {
+                    mShiftShortcuts.put(shortcutChar, shortcut);
+                } else {
+                    mShortcuts.put(shortcutChar, shortcut);
+                }
             }
         } catch (XmlPullParserException e) {
             Log.w(TAG, "Got exception parsing bookmarks.", e);
diff --git a/services/core/java/com/android/server/wm/TaskStack.java b/services/core/java/com/android/server/wm/TaskStack.java
index f4140f0..632c033 100644
--- a/services/core/java/com/android/server/wm/TaskStack.java
+++ b/services/core/java/com/android/server/wm/TaskStack.java
@@ -37,6 +37,7 @@
 import static android.app.ActivityManager.DOCKED_STACK_CREATE_MODE_TOP_OR_LEFT;
 import static android.app.ActivityManager.StackId.DOCKED_STACK_ID;
 import static android.app.ActivityManager.StackId.FULLSCREEN_WORKSPACE_STACK_ID;
+import static android.content.res.Configuration.ORIENTATION_PORTRAIT;
 import static android.view.WindowManager.DOCKED_BOTTOM;
 import static android.view.WindowManager.DOCKED_INVALID;
 import static android.view.WindowManager.DOCKED_LEFT;
@@ -549,20 +550,32 @@
                 outBounds.set(mService.mDockedStackCreateBounds);
                 return;
             }
-            // The initial bounds of the docked stack when it is created half the screen space and
-            // its bounds can be adjusted after that. The bounds of all other stacks are adjusted
-            // to occupy whatever screen space the docked stack isn't occupying.
+
+            // The initial bounds of the docked stack when it is created about half the screen space
+            // and its bounds can be adjusted after that. The bounds of all other stacks are
+            // adjusted to occupy whatever screen space the docked stack isn't occupying.
+            final DisplayInfo di = mDisplayContent.getDisplayInfo();
+            mService.mPolicy.getStableInsetsLw(di.rotation, di.logicalWidth, di.logicalHeight,
+                    mTmpRect2);
+            final int position = new DividerSnapAlgorithm(mService.mContext.getResources(),
+                    0 /* minFlingVelocityPxPerSecond */,
+                    di.logicalWidth,
+                    di.logicalHeight,
+                    dockDividerWidth,
+                    mService.mCurConfiguration.orientation == ORIENTATION_PORTRAIT,
+                    mTmpRect2).getMiddleTarget().position;
+
             if (dockOnTopOrLeft) {
                 if (splitHorizontally) {
-                    outBounds.right = displayRect.centerX() - dockDividerWidth / 2;
+                    outBounds.right = position;
                 } else {
-                    outBounds.bottom = displayRect.centerY() - dockDividerWidth / 2;
+                    outBounds.bottom = position;
                 }
             } else {
                 if (splitHorizontally) {
-                    outBounds.left = displayRect.centerX() + dockDividerWidth / 2;
+                    outBounds.left = position - dockDividerWidth;
                 } else {
-                    outBounds.top = displayRect.centerY() + dockDividerWidth / 2;
+                    outBounds.top = position - dockDividerWidth;
                 }
             }
             return;
diff --git a/services/usage/java/com/android/server/usage/UsageStatsService.java b/services/usage/java/com/android/server/usage/UsageStatsService.java
index 3f9d14d..4253cd4 100644
--- a/services/usage/java/com/android/server/usage/UsageStatsService.java
+++ b/services/usage/java/com/android/server/usage/UsageStatsService.java
@@ -280,6 +280,11 @@
         mHandler.sendEmptyMessageDelayed(MSG_FLUSH_TO_DISK, FLUSH_INTERVAL);
     }
 
+    @Override
+    public long getAppIdleRollingWindowDurationMillis() {
+        return mAppIdleWallclockThresholdMillis * 2;
+    }
+
     private void cleanUpRemovedUsersLocked() {
         final List<UserInfo> users = mUserManager.getUsers(true);
         if (users == null || users.size() == 0) {
@@ -1107,7 +1112,13 @@
      * Observe settings changes for {@link Settings.Global#APP_IDLE_CONSTANTS}.
      */
     private class SettingsObserver extends ContentObserver {
-        private static final String KEY_IDLE_DURATION = "idle_duration";
+        /**
+         * This flag has been used to disable app idle on older builds with bug b/26355386.
+         */
+        @Deprecated
+        private static final String KEY_IDLE_DURATION_OLD = "idle_duration";
+
+        private static final String KEY_IDLE_DURATION = "idle_duration2";
         private static final String KEY_WALLCLOCK_THRESHOLD = "wallclock_threshold";
         private static final String KEY_PAROLE_INTERVAL = "parole_interval";
         private static final String KEY_PAROLE_DURATION = "parole_duration";
diff --git a/services/usage/java/com/android/server/usage/UserUsageStatsService.java b/services/usage/java/com/android/server/usage/UserUsageStatsService.java
index 28204b1..224faf4 100644
--- a/services/usage/java/com/android/server/usage/UserUsageStatsService.java
+++ b/services/usage/java/com/android/server/usage/UserUsageStatsService.java
@@ -73,6 +73,7 @@
 
     interface StatsUpdatedListener {
         void onStatsUpdated();
+        long getAppIdleRollingWindowDurationMillis();
     }
 
     UserUsageStatsService(Context context, int userId, File usageStatsDir,
@@ -568,9 +569,11 @@
      */
     void refreshAppIdleRollingWindow(final long currentTimeMillis, final long deviceUsageTime) {
         // Start the rolling window for AppIdle requests.
+        final long startRangeMillis = currentTimeMillis -
+                mListener.getAppIdleRollingWindowDurationMillis();
+
         List<IntervalStats> stats = mDatabase.queryUsageStats(UsageStatsManager.INTERVAL_DAILY,
-                currentTimeMillis - (1000 * 60 * 60 * 24 * 2), currentTimeMillis,
-                new StatCombiner<IntervalStats>() {
+                startRangeMillis, currentTimeMillis, new StatCombiner<IntervalStats>() {
                     @Override
                     public void combine(IntervalStats stats, boolean mutable,
                                         List<IntervalStats> accumulatedResult) {