[ONOS-3878] Addressed Unwanted Warning in Listener's Framework

Change-Id: I41cc51a4cbbd4732f631c5e82808f1f3131757e3
diff --git a/src/main/java/org/onosproject/yangutils/parser/antlrgencode/package-info.java b/src/main/java/org/onosproject/yangutils/parser/antlrgencode/package-info.java
new file mode 100644
index 0000000..e7b82a0
--- /dev/null
+++ b/src/main/java/org/onosproject/yangutils/parser/antlrgencode/package-info.java
@@ -0,0 +1,20 @@
+/*
+ * Copyright 2016 Open Networking Laboratory
+ *
+ * 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.
+ */
+
+/**
+ * ANTLR interfaces to be implemented by listener.
+ */
+package org.onosproject.yangutils.parser.antlrgencode;
\ No newline at end of file