In a 6-qt. electric pressure cooker, whisk together wine, hoisin sauce and soy sauce. Select saute setting and adjust for low heat; simmer, uncovered, until liquid is reduced slightly., In a large bowl, combine next 7 ingredients. Add beef and pork; mix lightly but thoroughly. Shape into 1-1/2-in. meatballs; place in cooker. Lock lid; close pressure-release valve. Select manual setting; pressure-cook on high for 10 minutes., When finished cooking, quick-release pressure. Sprinkle with sesame seeds.