Merge "Remove display policy references while waiting for window animation to complete" into sc-dev am: 37f493f5 am: 89da3fbc am: 58e727aa

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/14951219

Change-Id: If696c414053b8a9ce74b516c1efcdece5aa87f4f