Author: Mihail Geshoski
MDL-61902 media: Implement null privacy provider
http://git.moodle.org/gw?p=moodle.git;a=commit;h=ee7c1b3a24cf8c70867db140411f7949eaead3df
http://github.com/moodle/moodle/commit/ee7c1b3a24cf8c70867db140411f7949eaead3df
+ 3.4 en [privacy:metadata,media_html5audio]
+ 3.4 en [privacy:metadata,media_html5video]
+ 3.4 en [privacy:metadata,media_swf]
+ 3.4 en [privacy:metadata,media_videojs]
+ 3.4 en [privacy:metadata,media_vimeo]
+ 3.4 en [privacy:metadata,media_youtube]