Merge "Clean up postWindowRemoveStartingWindowCleanUp" into udc-dev am: 050f26ee5e am: 858c15eba4 am: 5e03b7502a

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23736106

Change-Id: I061ff0e3444162a66c74e3b8913b6b14b9d0d809
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>