Author: Zig Tan
MDL-61977 tool_profiling: Implemented null privacy provider
http://git.moodle.org/gw?p=moodle.git;a=commit;h=69693630a4d995dbdfa289b932fbff03feedbd57
http://github.com/moodle/moodle/commit/69693630a4d995dbdfa289b932fbff03feedbd57
+ 3.4 en [privacy:metadata,tool_profiling]