audio HAL: initial VTS tests am: e5d747e908 am: 4c6e690f4f am: 29326f2ca5 am: c7fe9f1fde

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2190588

Change-Id: I6ca23851fe4e92d2c870adde05ce17c10b400a32
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>