Merge "Prevent alpha transitions from clipping out-of-bounds clocks" into...

Merge "Prevent alpha transitions from clipping out-of-bounds clocks" into udc-dev am: 5623c50b am: 5cf665d4 am: 321af316

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23149088



Change-Id: I1bd26c8ef74c123aea9a6b9df37d089cd7fb3490
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>