Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=58631
-- v5: windows.media.playback.mediaplayer: Return S_OK from IMediaPlayer2::get_SystemMediaTransportControls(). windows.media.playback.mediaplayer: Add IMediaPlayer2 stub. include: Add IMediaPlayer2 definition. windows.media.playback.backgroundmediaplayer: Implement IBackgroundMediaPlayerStatics::get_Current().