tree cf11ad1543914e902f845f992a1eca8ef152dce6
parent 4cbf05c56844afa5997a425c0d8fb257dbdaea04
author Rupert Swarbrick <rupert.swarbrick@argondesign.com> 1510077133 +0000
committer Debargha Mukherjee <debargha@google.com> 1510090468 +0000

Remove duplicated code for reading/writing sequence header

Teach read_sequence_header_obu and write_sequence_header_obu to just
call read_sequence_header and write_sequence_header, respectively.

Change-Id: Iff27b5cfbccab0ebaf2e28d72df3d6606964936f