Merge "Add biometric scheduler watchdog usage counter." into udc-dev am: 7ba80d17

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23356981



Change-Id: I4343553315b3fac052246966d5840666531ed064
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>