Merge "Add new api for showing media output switcher dialog." into tm-qpr-dev am: a2896db85b am: 2009442045

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20911786

Change-Id: I810893406b95e4d75ebdddff76444f5aa946f8c9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>