Merge "Add logging for rbc on / off" into udc-dev am: 7c0f7188 am: 61eb3669

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23305359



Change-Id: I0d1a6d9fc0a67c31d53e427630621354f97227ad
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>