Author: Kevin Pham
MDL-49795 file: Add missing metadata providers for file_conversion
http://git.moodle.org/gw?p=moodle.git;a=commit;h=027b6f73d6dfbc1976f29f87b106e5b4a0488ded
http://github.com/moodle/moodle/commit/027b6f73d6dfbc1976f29f87b106e5b4a0488ded
+ 4.1 en [privacy:metadata:file_conversions,core_files]
+ 4.1 en [privacy:metadata:file_conversion:usermodified,core_files]