Author: Sara Arjona
MDL-61954 gradeimport_xml: Implement privacy API
http://git.moodle.org/gw?p=moodle.git;a=commit;h=a2a91c1fcf066d4effa255405dafe2974b46dc23
http://github.com/moodle/moodle/commit/a2a91c1fcf066d4effa255405dafe2974b46dc23
+ 3.3 en [privacy:metadata,gradeimport_xml]