Merge "Fix oat_writer to use WriteData which updates checksum." into nyc-dev
am: 1d84c20c8c

* commit '1d84c20c8c7b7d30f23b5e6913e7dfdf79cb8f39':
  Fix oat_writer to use WriteData which updates checksum.

Change-Id: Ib24d46812f1f14b6bd35292aa4e30aa2c26ac553