Merge "Acquire WakeLocks for posting notifications" into udc-dev am: d3283c51 am: 696d90cb

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



Change-Id: I27e144f30f8d27d78c4abefc7af1af6fa76c5397
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>