Merge "Remove clip adjustment to fix bottom screen flicker issue. Add a...

Merge "Remove clip adjustment to fix bottom screen flicker issue. Add a flicker test to verify animation background is no longer visible through the transition after the fix." into udc-qpr-dev am: 3dfd9e6c

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23660587



Change-Id: Id9ac2f2565cdcc2a7b48cc1331a61cfe82366088
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>