audio: Refactor configuration population am: a92039ac48 am: 8cb953b071 am: a667344e8c

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2886670

Change-Id: Idf16a09027b4fb61d71c6f23cc620edf8264a1dd
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>