[ONOS-5003][ONOS-5004][ONOS-5005]Generated Code modification for YangUtils+added interface for augmentation method and other api changes.

Change-Id: I954b9c99e182f21d01fcc5cd76fbac7d61a6c3aa
diff --git a/plugin/src/main/java/org/onosproject/yangutils/parser/impl/YangUtilsParserManager.java b/plugin/src/main/java/org/onosproject/yangutils/parser/impl/YangUtilsParserManager.java
index 9d78d13..b04f617 100644
--- a/plugin/src/main/java/org/onosproject/yangutils/parser/impl/YangUtilsParserManager.java
+++ b/plugin/src/main/java/org/onosproject/yangutils/parser/impl/YangUtilsParserManager.java
@@ -17,6 +17,7 @@
 package org.onosproject.yangutils.parser.impl;
 
 import java.io.IOException;
+
 import org.antlr.v4.runtime.ANTLRFileStream;
 import org.antlr.v4.runtime.ANTLRInputStream;
 import org.antlr.v4.runtime.CommonTokenStream;