am 18a1a50f: am 9c2336e0: Add new droiddoc option for project-specific secondary html input/output paths.

# Via Android Git Automerger (1) and Dirk Dougherty (1)
* commit '18a1a50f981449bb3dbd6bab3ee2502b51259fd7':
  Add new droiddoc option for project-specific secondary html input/output paths.