set a default mediaConfiguration to avoid addon crash (#1133)
set a default mediaConfiguration to avoid addon crash (#1133)


lodoyun/licode,lodoyun/licode,yangjinecho/licode,yangjinecho/licode,jcague/licode,lynckia/licode,jcague/licode,jcague/licode,jcague/licode,lynckia/licode,yangjinecho/licode,jcague/licode,yangjinecho/licode,jcague/licode,MModal/licode,lodoyun/licode,MModal/licode,MModal/licode,yangjinecho/licode,lodoyun/licode,yangjinecho/licode,MModal/licode,lynckia/licode,lodoyun/licode,lynckia/licode,MModal/licode,lynckia/licode,lodoyun/licode,lynckia/licode,MModal/licode,jcague/licode,MModal/licode,lodoyun/licode,lynckia/licode,yangjinecho/licode,yangjinecho/licode