Consider abstract classes with @Lookup methods as candidate components

Issue: SPR-14550
(cherry picked from commit 7d3fcaa)

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

@@ -1,3 +1,19 @@
+/*
+ * 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.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package example.profilescan;
 
 import org.springframework.context.annotation.Profile;
@@ -8,6 +24,7 @@ import org.springframework.stereotype.Component;
 public class ProfileAnnotatedComponent {
 
 	public static final String BEAN_NAME = "profileAnnotatedComponent";
+
 	public static final String PROFILE_NAME = "test";
 
 }