Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=58631
-- v15: windows.media.playback.mediaplayer: Implement IActivationFactory::ActivateInstance(). windows.media.playback.backgroundmediaplayer: Add IBackgroundMediaPlayerStatics stub. include: Add IMediaPlayer definition. widl: Support additional deprecated declarations. windows.media.playback.backgroundmediaplayer: Add stub dll. include: Add windows.media.playback.idl.