Author: Mark Nelson
MDL-61920 mod_lti: implement privacy provider
http://git.moodle.org/gw?p=moodle.git;a=commit;h=149f1ecabd6b0c1962acbcb8da3d02286713208b
http://github.com/moodle/moodle/commit/149f1ecabd6b0c1962acbcb8da3d02286713208b
+ 3.3 en [privacy:metadata:createdby,mod_lti]
+ 3.3 en [privacy:metadata:lti_submission,mod_lti]
+ 3.3 en [privacy:metadata:lti_submission:datesubmitted,mod_lti]
+ 3.3 en [privacy:metadata:lti_submission:dateupdated,mod_lti]
+ 3.3 en [privacy:metadata:lti_submission:gradepercent,mod_lti]
+ 3.3 en [privacy:metadata:lti_submission:originalgrade,mod_lti]
+ 3.3 en [privacy:metadata:lti_submission:userid,mod_lti]
+ 3.3 en [privacy:metadata:lti_tool_proxies,mod_lti]
+ 3.3 en [privacy:metadata:lti_tool_proxies:name,mod_lti]
+ 3.3 en [privacy:metadata:lti_types,mod_lti]
+ 3.3 en [privacy:metadata:lti_types:name,mod_lti]
+ 3.3 en [privacy:metadata:timecreated,mod_lti]
+ 3.3 en [privacy:metadata:timemodified,mod_lti]