[automerger skipped] Add AudioAttributes and AudioFlag for use in HAL...

[automerger skipped] Add AudioAttributes and AudioFlag for use in HAL interface for engine configuration. am: 9ae4f224 am: 72a11980 -s ours am: d6c9700b -s ours am: c8782976 -s ours am: 533f58d7 -s ours

am skip reason: Merged-In Id17820f210f625e370992db4f9f85e37887b088b with SHA-1 dd2b7eb5 is already in history

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2203397



Change-Id: I7ee763b8f4c8a9c439628b9a55b9296d4f39eaa9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>