Merge "Override animation background with app override color" into tm-qpr-dev...

Merge "Override animation background with app override color" into tm-qpr-dev am: 2ff8b7b0 am: 8a74c79b

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20783087



Change-Id: I0726b685676adea49192ef9ded2e7e8fddc1cb5d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>