am f20e4ad9: am c1d2777c: Merge "stagefright amrnb: Move the bitstream_format enum into frame_type_3gpp.h"

* commit 'f20e4ad9f23fe0267f8f3434a6eb961eb69bde3a':
  stagefright amrnb: Move the bitstream_format enum into frame_type_3gpp.h