Merge "Acquire WakeLocks for posting notifications" into udc-dev am: d3283c513f

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23518056

Change-Id: If958e810872feff32d06bc1fc9e674dc6444b8fe
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>