Notification of string changes

Author: Zig Tan
MDL-61568 repository_googledocs: Implement privacy providers


http://git.moodle.org/gw?p=moodle.git;a=commit;h=5b0ae8c97ddcca10eefb50840cdedfa2028674f3
http://github.com/moodle/moodle/commit/5b0ae8c97ddcca10eefb50840cdedfa2028674f3

+ 3.3 en [privacy:metadata:repository_googledocs,repository_googledocs]
+ 3.3 en [privacy:metadata:repository_googledocs:email,repository_googledocs]
+ 3.3 en [privacy:metadata:repository_googledocs:searchtext,repository_googledocs]