Author: Sara Arjona
MDL-61998 cohort: Implement privacy API
http://git.moodle.org/gw?p=moodle.git;a=commit;h=5a86bf1448131f4f11da172dd88aae03d403f721
http://github.com/moodle/moodle/commit/5a86bf1448131f4f11da172dd88aae03d403f721
+ 3.5 en [privacy:metadata:cohort_members,core_cohort]
+ 3.5 en [privacy:metadata:cohort_members:cohortid,core_cohort]
+ 3.5 en [privacy:metadata:cohort_members:timeadded,core_cohort]
+ 3.5 en [privacy:metadata:cohort_members:userid,core_cohort]