Author: Sara Arjona
MDL-61957 gradereport_outcomes: Implement privacy API
http://git.moodle.org/gw?p=moodle.git;a=commit;h=2d84d30d1717c11eac4a0b128c4202c14901c9b0
http://github.com/moodle/moodle/commit/2d84d30d1717c11eac4a0b128c4202c14901c9b0
+ 3.5 en [privacy:metadata,gradereport_outcomes]