Merge "DO NOT MERGE Revert "Accept a Window as shown if it's in any...

Merge "DO NOT MERGE Revert "Accept a Window as shown if it's in any transition"" into tm-qpr-dev am: 15feebba

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22648062



Change-Id: If6dfcbb2765b71158c26d16cff51007b04186fc9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>