Restore original DefaultAdvisorChainFactory MethodMatcher invocation

Includes test for @Async pointcut against AOP proxy without target.

spring-tx/src/main/java/org/springframework/transaction/interceptor/TransactionInterceptor.java

@@ -88,7 +88,7 @@ public class TransactionInterceptor extends TransactionAspectSupport implements
 
 	@Override
 	@Nullable
-	public Object invoke(final MethodInvocation invocation) throws Throwable {
+	public Object invoke(MethodInvocation invocation) throws Throwable {
 		// Work out the target class: may be {@code null}.
 		// The TransactionAttributeSource should be passed the target class
 		// as well as the method, which may be from an interface.