Explicit type can be replaced by <>

Issue: SPR-13188

spring-context/src/test/java/example/scannable/AutowiredQualifierFooService.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2012 the original author or authors.
+ * Copyright 2002-2016 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -52,7 +52,7 @@ public class AutowiredQualifierFooService implements FooService {
 
 	@Override
 	public Future<String> asyncFoo(int id) {
-		return new AsyncResult<String>(this.fooDao.findFoo(id));
+		return new AsyncResult<>(this.fooDao.findFoo(id));
 	}
 
 	@Override