DO NOT MERGE: Downbranch merge conflict [Output Switcher] set icon to volume...

DO NOT MERGE: Downbranch merge conflict [Output Switcher] set icon to volume icon when device is active

set volume icon to the device when volume is adjustible for it.

Bug: 231719658
Test: verified on device
Change-Id: I6cdd82c081cebdd01f5e9e858721a5efbefbff2f