Merge "Add AudioHalVersion definition" am: 7823920ae8 am: f3e1b3416f am: 0b278b263c

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/2319787

Change-Id: I6b4e787e0d84d2024c84e37c40e5b8dc4ace9e09
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>