Author: Frédéric Massart
MDL-62248 core_block: Implement privacy API
http://git.moodle.org/gw?p=moodle.git;a=commit;h=f47cd85ff63a89579bc39e41e995a04bcdd210e9
http://github.com/moodle/moodle/commit/f47cd85ff63a89579bc39e41e995a04bcdd210e9
+ 3.4 en [privacy:metadata:userpref:dockedinstance,core_block]
+ 3.4 en [privacy:metadata:userpref:hiddenblock,core_block]
+ 3.4 en [privacy:request:blockisdocked,core_block]
+ 3.4 en [privacy:request:blockishidden,core_block]