Merge "audio: Fix remote submix configuration and 'prepareToClose'" into main am: 8a4394f8b8 am: ba113931bd am: d78eccd302

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2825161

Change-Id: I91f58ed3628611f59463fd039fa10e1bb5b10ea6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>