Merge "Adds the staggered ring unlock animation!" into tm-dev am: 0bd4d53a am: d7f742e0 am: b1dc2717

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17356615



Change-Id: I68a9c2390d5bb221f5691828d3f0aea646914b41
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>