Merge "Acquire WakeLocks for posting notifications" into udc-dev am: d3283c51

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



Change-Id: I4ea21d54b21481b5e103051445ddb723f18d69b3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>