Merge "Fix oat_writer to use WriteData which updates checksum."
am: 81d53f5654

* commit '81d53f5654eeb9be2c5bbd283f371b1378d3d53d':
  Fix oat_writer to use WriteData which updates checksum.

Change-Id: Ie99cb7ea9635c7b5753a98c2a8a21140bd4710ad