[automerger skipped] Add audiotrack unit tests am: ba55d5a5 am: 6b2a85a7...

[automerger skipped] Add audiotrack unit tests am: ba55d5a5 am: 6b2a85a7 am: 4695cf00 am: a2fa8658 am: 1b1bb118 -s ours

am skip reason: Merged-In I63511129d5716b4fff18161692f195442b4ed16c with SHA-1 7c1a32a1 is already in history

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/2189999



Change-Id: I28fcccf67d81df3a796bee8729e79a8c7070dc76
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>