Author: Sara Arjona
MDL-61957 gradereport_singleview: Implement privacy API
http://git.moodle.org/gw?p=moodle.git;a=commit;h=e8d0133ed5d45c0cfe97fd0e64efe42cec6238f3
http://github.com/moodle/moodle/commit/e8d0133ed5d45c0cfe97fd0e64efe42cec6238f3
+ 3.5 en [privacy:metadata,gradereport_singleview]