Return the ToS Document of the supplied Presence entity, if there is one.
Patch by: Todd Larsen
Review by: to-be-reviewed
# Please sort this file in alphabetical order by last (given) name.
# Please only include one name per line. If an (optional) email address is
# included, it must be RFC 2821 compliant (properly quoted, escaped, etc.).
# Lines beginning with # can be stripped from the file, as can blank lines.
"Mario Ferraro" <fadinlight@gmail.com>
"Todd Larsen" <tlarsen@google.com>
"Chen Lunpeng" <forever.clp@gmail.com>
"Sverre Rabbelier" <sverre@rabbelier.nl>
"Lennard de Rijk" <ljvderijk@gmail.com>
"Pawel Solyga" <pawel.solyga@gmail.com>