Merge "Update light reveal effect on wake/sleep so that the screen off...

Merge "Update light reveal effect on wake/sleep so that the screen off animation works too." into sc-dev am: 71812c21 am: 85e0a3fe

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15162037

Change-Id: Icd32465c012bbe3d84d15a38008547206335214b