Author: Zig Tan
MDL-61881 report_security: Implement null privacy provider
http://git.moodle.org/gw?p=moodle.git;a=commit;h=652ce0a4ddd0f70691d3e8758c997c47ec43e849
http://github.com/moodle/moodle/commit/652ce0a4ddd0f70691d3e8758c997c47ec43e849
+ 3.3 en [privacy:metadata,report_security]