MPEG4Extractor: Overwrite opus version as 1

mp4 Opus Specific box says Version should be 0.
OpusHead requires this to 1.

MPEG4Extractor now validates that version before
overwriting it with 1.

Bug: 133448278
Test: Extract an mp4 file with opus track
Test: Mux the extracted file to ogg
Test: Extract opus from the muxed ogg file

Change-Id: Iee31eed69ea906b8f34f75f01a4d2c77b3e32077