Merge "Accept a Window as shown if it's in any transition" into udc-dev am:...

Merge "Accept a Window as shown if it's in any transition" into udc-dev am: a27edf5a am: 11077e04

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21780005



Change-Id: Ie16a5a0ac3d085a9e17ab429d6d5270ffd12b27a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>