Merge "Update WM Extensions aar for animation background color" into tm-qpr-dev am: fb909777

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21397399



Change-Id: Ibb2141ba709cd1e087e3abf54e61c539515deb8c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>