Merge "Add onUdfpsUiEvent() and callbacks on overlay shown in...

Merge "Add onUdfpsUiEvent() and callbacks on overlay shown in FingerprintManager." into udc-qpr-dev am: 751a3079

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23595372



Change-Id: If1099fb480a60ea45c297447dff9f438103bdd04
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>