Author: Sara Arjona
MDL-61957 gradereport_singleview: Implement privacy API
http://git.moodle.org/gw?p=moodle.git;a=commit;h=7b15e26ef753a68c49bd070151d88c101b728428
http://github.com/moodle/moodle/commit/7b15e26ef753a68c49bd070151d88c101b728428
+ 3.4 en [privacy:metadata,gradereport_singleview]