Consider abstract classes with @Lookup methods as candidate components

Issue: SPR-14550

spring-context/src/test/java/example/profilescan/ProfileMetaAnnotatedComponent.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2010 the original author or authors.
+ * Copyright 2002-2017 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.
@@ -16,10 +16,9 @@
 
 package example.profilescan;
 
-
 @DevComponent(ProfileMetaAnnotatedComponent.BEAN_NAME)
 public class ProfileMetaAnnotatedComponent {
 
 	public static final String BEAN_NAME = "profileMetaAnnotatedComponent";
 
-}
+}