Merge "audio: Add volume/mute, audio mode, and screen state to IModule" am: c6eb5c9104

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2241542

Change-Id: I6622261df9c36080bb5616bd34477b9157894ec6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>