am 31c81a7f: am fbf1579a: am 0d3a0f1b: am c5764868: am e562bb6b: Merge "Docs: Localizations of Android dev on-boarding training docs. Bug: 20503574" into mnc-preview-docs

* commit '31c81a7f70f4f1912685b8c428dfac1ccff65165':
  Docs: Localizations of Android dev on-boarding training docs. Bug: 20503574