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

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

Change-Id: Ibae8f7520ee8c8987eac4346083318c4a6162e02