Merge "audiotrack_tests: Reduce wait time during playback" am: eac83464 am: 76793ecc

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/2259662



Change-Id: Ibef66eeb644fb3bc4a799752fe3e77ea6471382a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>