Merge "Acquire WakeLocks for posting notifications" into udc-dev am: d3283c51 am: 817536d0

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



Change-Id: Ib9167dadf7fcb63f1b766eefcd4a0eb6b657d8b9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>