Merge "libmpeg2extractor : Remove libmedia_headers dependency" am: 6f01fb530c am: 2bd44cef0b am: fb8fb08d5a am: 57e4ed1bc4 am: a38b0ef054

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/1336078

Change-Id: I294f1e1f4c3bd38918710e918bb95b2ba9c4b858