Author: Zig Tan
MDL-61977 tool_profiling: Implemented null privacy provider
http://git.moodle.org/gw?p=moodle.git;a=commit;h=224519751969d6aec91f17bd4fab2397439f4ac2
http://github.com/moodle/moodle/commit/224519751969d6aec91f17bd4fab2397439f4ac2
+ 3.5 en [privacy:metadata,tool_profiling]