Merge "Log power & face auth wake reasons." into udc-dev am: 6e07340e

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22106920



Change-Id: I0e2529d02cecec797f0c39abc78a924dfbcc1179
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>