Merge "Revert "Update Window Extensions library APIs"" into tm-qpr-dev am:...

Merge "Revert "Update Window Extensions library APIs"" into tm-qpr-dev am: f9701b65 am: b5e10e8d

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20848944



Change-Id: I8e26d1d3cf2e3713bd6ff1145364c7d72e02d21e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>