Consistent whitespace after imports

Update code to have a consistent number of new-line characters after
import statements.

spring-aspects/src/test/java/org/springframework/cache/aspectj/AspectJAnnotationTests.java

@@ -28,7 +28,6 @@ import org.springframework.cache.config.CacheableService;
 import org.springframework.context.ApplicationContext;
 import org.springframework.context.support.GenericXmlApplicationContext;
 
-
 /**
  * @author Costin Leau
  */

spring-aspects/src/test/java/org/springframework/mock/staticmock/AnnotationDrivenStaticEntityMockingControlTest.java

@@ -28,7 +28,6 @@ import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
 
-
 /**
  * Test for static entity mocking framework.
  * @author Rod Johnson