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

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



Change-Id: Iae3cf908ee3db23b36d790c6e267449c4435d800
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>