Merge "Reduce unnecessary redraw of wallpaper with shell transition" into tm-qpr-dev am: 6caa590a

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18400684



Change-Id: I46d543efae25e4e2c6547073017001adec2c2b86
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>