Merge "DO NOT MERGE: Downbranch don't need this adjustment [Output Switcher] Disable volume when device is selectable in group dialog" into sc-v2-dev am: 0cfbf6e4

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/16966427

Change-Id: Ieecd39999485c10a2d87a71133b77c5074117178