Merge "Fix OatWriter to update the header checksum correctly." into nyc-dev
am: 6c5b9b9113

* commit '6c5b9b91136aa4939d0252eb719c86289c72780e':
  Fix OatWriter to update the header checksum correctly.

Change-Id: Iff4c0b48f9314ed903d8396f83b30995bca0313d