Merge "Reduce unnecessary redraw of wallpaper when switching orientation" into...

Merge "Reduce unnecessary redraw of wallpaper when switching orientation" into udc-dev am: 72d126cd am: 3a52f30e

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23444291



Change-Id: I173a18fc1762a0c9ac2cea326eb94e783584a9c4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>