am 34d3aeaf: Merge "Add image creator helper script for OBBs" into gingerbread

Merge commit '34d3aeaf7f5dd744f46220f7730913468256ae9c' into gingerbread-plus-aosp

* commit '34d3aeaf7f5dd744f46220f7730913468256ae9c':
  Add image creator helper script for OBBs