Merge "Post the starting of the Notification dialog" into tm-dev am:...

Merge "Post the starting of the Notification dialog" into tm-dev am: 466dcdd6 am: 78d12668 am: 2abadaa7

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17650398



Change-Id: Id46ec64c4b584ece6488b40db94fa85ed734001e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>