Merge "MediaTesting: Add Sonivox Unit Test" am: 6b74bbd27f am: 12c1542a28 am: c5aa138daa

Original change: https://android-review.googlesource.com/c/platform/external/sonivox/+/1298933

Change-Id: I2ebee22a791b4754f7d61e8e54b1ab083d7f4c19