Merge "Revert "Activate flag for Light Reveal Effect"" into udc-dev am: d2a3a7dc am: e29756bc

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



Change-Id: I0bc55ea1efafe51e22339930627937e9690f1434
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>