Merge "Update window-extensions-release.aar to include animationBackgroundColor" into tm-qpr-dev am: 52d14c39d9

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20789649

Change-Id: I4311d1e46c8bf021d5332ad2ed2a38ef8c0fbc31
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>