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 am: 9d7493d2

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



Change-Id: I7319e72240fb8169d987400989aa350dd18d7df3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>