audio: Refactor configuration population am: a92039ac am: 8cb953b0 am: a667344e

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>