The food scene in the flashy new Westfield Century City Shopping Center continues to evolve…  Plywood covering one of the spots in the still developing food court reveals that it will soon be the home to a branch of La Vaca Brazilian Grill.  With a location in Canoga Park and another in Glendale, La Vaca serves a menu of traditional churrasco, salad bar, and various “hot dishes”.  Look for a May opening.