Snap Inc. is trick-or-treating with brands including DirecTV Stream, Hershey, The Home Depot, Mars Wrigley, Universal Pictures and Walmart this Halloween. A custom augmented reality experience on Snapchat features monster characters from DirecTV Stream’s “Quiet Please” TV spot. Two Reese’s lenses were created with Hershey to turn Snapchatters into jack-o-lanterns or skeletons. The Home Depot’s…