Author: Andrew Nicols
MDL-61898 core_cache: Implement Privacy API
http://git.moodle.org/gw?p=moodle.git;a=commit;h=8bde0603d12a5be78c3e32158aa04b565e686212
http://github.com/moodle/moodle/commit/8bde0603d12a5be78c3e32158aa04b565e686212
+ 3.4 en [privacy:metadata:cachestore,core_cache]