Mix garlic and seasonings; rub over pork. Transfer to a 6-qt. electric pressure cooker. Add onion, apple, sweet pepper, tomatoes and water. Lock lid; close pressure-release valve. Select manual setting; pressure-cook on high for 25 minutes. When finished cooking, allow pressure to naturally release for 10 minutes; quick-release any remaining pressure. , Remove pork; cool slightly. Shred meat into bite-size pieces; return to pressure cooker. , Select saute setting and adjust for low heat. Stir in raisins and olives; heat through. Serve in lettuce leaves; sprinkle with almonds.