Merge changes I20bdab1b,Id82f9081 into oc-dev

* changes:
  Fix backwards flag causing crash.
  Fixing issue with PiP aspect ratio being clobbered.

core/java/android/app/ActivityOptions.java

@@ -1244,7 +1244,7 @@ public class ActivityOptions {
                 // Once we parcel the thumbnail for transfering over to the system, create a copy of
                 // the bitmap to a hardware bitmap and pass through the GraphicBuffer
                 if (mThumbnail != null) {
-                    final Bitmap hwBitmap = mThumbnail.copy(Config.HARDWARE, true /* immutable */);
+                    final Bitmap hwBitmap = mThumbnail.copy(Config.HARDWARE, false /* isMutable */);
                     if (hwBitmap != null) {
                         b.putParcelable(KEY_ANIM_THUMBNAIL, hwBitmap.createGraphicBufferHandle());
                     } else {

services/core/java/com/android/server/wm/PinnedStackController.java

@@ -155,6 +155,10 @@ class PinnedStackController {
         mSnapAlgorithm = new PipSnapAlgorithm(service.mContext);
         mDisplayInfo.copyFrom(mDisplayContent.getDisplayInfo());
         reloadResources();
+        // Initialize the aspect ratio to the default aspect ratio.  Don't do this in reload
+        // resources as it would clobber mAspectRatio when entering PiP from fullscreen which
+        // triggers a configuration change and the resources to be reloaded.
+        mAspectRatio = mDefaultAspectRatio;
     }
 
     void onConfigurationChanged() {
@@ -171,7 +175,6 @@ class PinnedStackController {
         mCurrentMinSize = mDefaultMinSize;
         mDefaultAspectRatio = res.getFloat(
                 com.android.internal.R.dimen.config_pictureInPictureDefaultAspectRatio);
-        mAspectRatio = mDefaultAspectRatio;
         final String screenEdgeInsetsDpString = res.getString(
                 com.android.internal.R.string.config_defaultPictureInPictureScreenEdgeInsets);
         final Size screenEdgeInsetsDp = !screenEdgeInsetsDpString.isEmpty()