Merge "audio: Clarify "mute" behavior for playback parameters" into main am:...

Merge "audio: Clarify "mute" behavior for playback parameters" into main am: 76ed904c am: a857fe44

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/3420885



Change-Id: Id3dfab80ad361bebce95966ad8af9092cd741c53
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>