Merge "Add the staggered ring appear animation!" into tm-dev am: 538581639e am: ab3e1ce286

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/17356398

Change-Id: I501d47da93325b8a9d9a5bbc0f63d2f1b5be11db
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>