[ONOS-3833] Added data structure to store load balance path info

Change-Id: Icf73a7c91652c2532db889fb4df70232a16650a2
diff --git a/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/DefaultFlowClassifier.java b/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/DefaultFlowClassifier.java
index 7915ce0..ce27fc7 100644
--- a/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/DefaultFlowClassifier.java
+++ b/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/DefaultFlowClassifier.java
@@ -15,11 +15,13 @@
  */
 package org.onosproject.vtnrsc;
 
+import static com.google.common.base.Preconditions.checkNotNull;
+
 import java.util.Objects;
+
 import org.onlab.packet.IpPrefix;
 
 import com.google.common.base.MoreObjects;
-import static com.google.common.base.Preconditions.checkNotNull;
 
 /**
  * Provides Default flow classifier.