Merge "Revert "Activate flag for Light Reveal Effect"" into udc-dev am: d2a3a7dc am: 84580bc5

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



Change-Id: Idabe1163f0e98bdfd9e216be143b082759203e3e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>