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

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

Change-Id: I61f2ea4d2c0de90cdbd375406bc4418bf4937332