Merge "Add unlocked to checkmark animation for coex." into udc-dev am: 720e8081

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23504736



Change-Id: Ic7b0be0c34e5f6a56e0bcb01219fce65ceec236b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>