Author: Andrew Nicols
MDL-61898 core_cache: Implement Privacy API
http://git.moodle.org/gw?p=moodle.git;a=commit;h=5d22d5087aeeeaa40d381ddd226c18a096e9b643
http://github.com/moodle/moodle/commit/5d22d5087aeeeaa40d381ddd226c18a096e9b643
+ 3.3 en [privacy:metadata:cachestore,core_cache]