Merge "Update light reveal effect on wake/sleep so that the screen off animation works too." into sc-dev am: 71812c21 am: 85e0a3fe am: 7e73dc39

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

Change-Id: I88b550b8e339d1d77fdf748f40da4d8b9551309f