Add missing @Override to DroidDoc and ApiCheck

Change-Id: Ic7829a4ea62a614ef8b525bd84f8fbaaa4674d06
diff --git a/tools/droiddoc/src/MemberInfo.java b/tools/droiddoc/src/MemberInfo.java
index 2a2572a..05da583 100644
--- a/tools/droiddoc/src/MemberInfo.java
+++ b/tools/droiddoc/src/MemberInfo.java
@@ -115,6 +115,7 @@
         return mIsSynthetic;
     }
 
+    @Override
     public ContainerInfo parent()
     {
         return mContainingClass;
@@ -130,7 +131,7 @@
     {
         return mKind;
     }
-    
+
     public AnnotationInstanceInfo[] annotations()
     {
         return mAnnotations;