Merge "Exit 0 on success even if --never-clean is passed" am: f3349b5cc7
am: 66f91adf38

* commit '66f91adf3869fd8196c37d89ea4c6336fbcb6ecd':
  Exit 0 on success even if --never-clean is passed

Change-Id: Ibd9d6baddc36620ea8d647e7eb9c92a9a0f9f92c