media/libaaudio/examples/loopback/README.md
to run the loopback test from the command line
{cd to top of the repo} mmma frameworks/av/media/libaaudio/examples/ adb root adb remount -R adb push $OUT/data/nativetest/aaudio_loopback/aaudio_loopback /data/aaudio_loopback adb shell /data/aaudio_loopback -?