MP1-2564 : Don't send duplicate ACTION_NEXT_ITEM or ACTION_PREV_ITEM within 2 seconds when video to music is playing to avoid MP hang. It should solve hang into MyMusic / MyPicture (during slideshow between with resume/pause music).
Merge remote-tracking branch 'remotes/upstream/MP1-2564-Background_music_to_slide_show_or_video_to_music_can_hang_MP_wrong_behaviour' into 1.6.0Fork-BDJ
Fork : WIP Viz don't handle PgUp/Down (between 2 seconds)