Merge "Use label instead of cast icon in output switcher" into sc-qpr1-dev am:...

Merge "Use label instead of cast icon in output switcher" into sc-qpr1-dev am: 19a2adb3 am: a8882b32 am: 211a243d

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15716777

Change-Id: I1bd81836d79545fc1474465402c50b91f47862e6