andrewlewis ea69a3dbb6 Move MpegAudioHeader to MpegUtil
This makes MPEG audio utilities similar to utilities we have for WAV,
AC-3 etc., and moves them out of the extractor package so that an
extractor module can be split out without needing to have a class in the
extractor package in the common library.

PiperOrigin-RevId: 290595089
2020-01-24 11:07:40 +00:00
..
2020-01-24 11:07:40 +00:00
2020-01-24 11:07:40 +00:00