Author: Zig Tan
MDL-61881 report_loglive: Implement null privacy provider
http://git.moodle.org/gw?p=moodle.git;a=commit;h=c4c5061d1c8c685204201ad8d86eb722a324fb59
http://github.com/moodle/moodle/commit/c4c5061d1c8c685204201ad8d86eb722a324fb59
+ 3.5 en [privacy:metadata,report_loglive]