Merge "Allow dreams to redraw when device is rotated." into tm-qpr-dev am: 63af7acedd am: b1d553d92d

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/19641216

Change-Id: I15db7360c2b5f23186e93877cf68a007d644d775
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>