Merge "Hide notifications on lockscreen when the wallpaper dream is active"...

Merge "Hide notifications on lockscreen when the wallpaper dream is active" into udc-qpr-dev am: f4064fc5 am: 51e74b65

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23679739



Change-Id: I8596a8b9abcb71872ed07796fb6ad3bf91a4f5ba
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>