Merge "Update Window Extensions library" into tm-qpr-dev am: f0471940b2 am: d9e0867ee2

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20958324

Change-Id: I33886c42203bc90ec2dfcd07e4c5f2050541f5ef
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>