Merge "Test: Add a fuzzer for libmedia's metadata component" am: 2740d58771 am: 68224e8623 am: 4eecd16518

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/1650692

Change-Id: Ic4c2a5a3df6a94c0c8c6cc965c0211691b240edf