Author: Zig Tan
MDL-61995 tool_assignmentupgrade: Implemented privacy providers
http://git.moodle.org/gw?p=moodle.git;a=commit;h=9a4404e0711cc6c71f8e0b96179adc9e6ff688b9
http://github.com/moodle/moodle/commit/9a4404e0711cc6c71f8e0b96179adc9e6ff688b9
+ 3.4 en [privacy:metadata:preference:perpage,tool_assignmentupgrade]