docs: Added new page and menu link for "Testing Apps for Auto". am: eb41bc08e1 am: a0598b5f06 am: 44b6976acf
am: 52abf8d472

* commit '52abf8d472b511a19c5d457dab8a2ba6dea0c5a6':
  docs: Added new page and menu link for "Testing Apps for Auto".

Change-Id: I5d80de10c38f49ed5a025745197d06fddab9a039