Fixing javadocs.

Change-Id: I8a37303e791b17cbd4235921cb5c74492d13544f
diff --git a/docs/internal-excludes b/docs/internal-excludes
index 7ac0a66..a67e0d9 100644
--- a/docs/internal-excludes
+++ b/docs/internal-excludes
@@ -6,4 +6,5 @@
 org.onosproject.maven
 org.onosproject.grpc*
 org.onosproject.yangutils.*
+org.onosproject.checkstyle
 protobuf.*