Fix initialize_origin.py diagnostic.
Fix initialize_origin.py diagnostic.

The diagnostic for initialize_origin.py reports a warning that the
origin is not automatic when it is.

swri-robotics/marti_common,elliotjo/marti_common,evenator/marti_common,evenator/marti_common,elliotjo/marti_common,pjreed/marti_common,swri-robotics/marti_common,swri-robotics/marti_common,evenator/marti_common,swri-robotics/marti_common,pjreed/marti_common,elliotjo/marti_common,elliotjo/marti_common,pjreed/marti_common,pjreed/marti_common,evenator/marti_common