[OMXPlayer] [PATCH] dvdplayer: make HasVideo return true if a video stream was opened since playback has started - fixes missing video info on channel change
Based on https://github.com/xbmc/xbmc/commit/bd49c32ec38b7ecd7bb43eb995c9ff632d18d3a1 in master and
added in https://github.com/xbmc/xbmc/commit/28de0da9afeb6bcbc2c8a3cad31c79225b07ec7d