Merge "Support multiple output devices in refrence audio HAL" into main am: 09b66d053e

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/3291062

Change-Id: I16ff52f05bb6cdff9d1b4dba7852058754fbca49
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>