audio: Refactor streams implementation am: d5554cfa am: 3872e306 am:...

audio: Refactor streams implementation am: d5554cfa am: 3872e306 am: 0dbc0388 am: 78435405 am: b5f927d8

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2639436



Change-Id: I124ef493ea813c09761b8f8ec1e1e84b6103c051
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>