[automerger skipped] Add audiosystem unit tests am: 1b120aaf am: 6efa8608...

[automerger skipped] Add audiosystem unit tests am: 1b120aaf am: 6efa8608 am: 31358ac3 am: 2b299738 am: cefdfcbe -s ours

am skip reason: Merged-In I939e2d9f7cd5b55b7255f9f497cd33b2e129b3ff with SHA-1 e2e53c90 is already in history

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/2190260



Change-Id: I21f97cda423e1b7559b847bc08e89aa1d91b0c72
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>