Merge "Add unlocked to checkmark animation for coex." into udc-dev am: 720e8081 am: 271c8a63

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



Change-Id: I830a261de355ae2441a757b43e0d2eca342f7f80
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>