Merge "Adds fuzzers for libmediautils" am: bbc7944b76 am: c8a03008ce am: 62aac8cfc6 am: 1f29911bde

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/1329371

Change-Id: If1e15bf74f8d0fcee032c61809f7ada88343125c