Merge "Add a new cmd to wait for a specific broadcast to be dispatched." into...

Merge "Add a new cmd to wait for a specific broadcast to be dispatched." into udc-dev am: 4bd98b45 am: bab8b391 am: b8d9cfa3

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22957180



Change-Id: Ie2651fa953044a55ba834b8c1d42b5e5b5ec0f4b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>