Merge "Revert "Activate flag for Light Reveal Effect"" into udc-dev am: d2a3a7dc am: 8d9f46c2

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23370096



Change-Id: Ide9773591de83f4e3b34ee47885e963f8a6ee7e9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>