Combine first 5 ingredients in a food processor; process until smooth. Add beef and pork; pulse to combine.
Divide meat mixture into 12 equal portions, shaping each into a (1-inch) ball. Heat a large nonstick skillet coated with cooking spray over medium-high heat. Add meatballs; cook 10 minutes or until meatballs are done, browning on all sides.
Cook noodles in boiling water 6 minutes; drain. Combine warm water and next 5 ingredients (water through 4 garlic cloves), stirring with a whisk until sugar dissolves. Combine basil, cilantro, and mint. Divide noodles evenly among 4 plates; top each serving with 3 meatballs. Drizzle each serving with about 1/3 cup sauce; sprinkle with about 2 teaspoons herb mixture.