Author: Zig Tan
MDL-61568 repository_coursefiles: Implement null privacy provider
http://git.moodle.org/gw?p=moodle.git;a=commit;h=b94fe0ece227b72869cafcc9990565ae98fec450
http://github.com/moodle/moodle/commit/b94fe0ece227b72869cafcc9990565ae98fec450
+ 3.3 en [privacy:metadata,repository_coursefiles]