audio r_submix: Suggest configuration from the peer am: 3b732895a8 am: de6a93d47d

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2886671

Change-Id: If90ca7bc18bec69a447f1497d9530579aafabd1f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>