Revert "audio: Use hardcoded r_submix configuration with XML" am: 567d0de4...

Revert "audio: Use hardcoded r_submix configuration with XML" am: 567d0de4 am: a37a4fee am: 3727401b am: 06dc621b am: c33c5cdc

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2786754



Change-Id: Ie4578a2bd6e006a9b18b383036890f7e55d27ef0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>