[ONOS-6195] Updating L3VPN create.

Change-Id: Ic23854388970d55c1c591c59edfe5e3e3ba78d1f
diff --git a/apps/l3vpn/netl3vpn/src/main/java/org/onosproject/l3vpn/netl3vpn/NetL3VpnStore.java b/apps/l3vpn/netl3vpn/src/main/java/org/onosproject/l3vpn/netl3vpn/NetL3VpnStore.java
index b5f8681..f04d3b7 100644
--- a/apps/l3vpn/netl3vpn/src/main/java/org/onosproject/l3vpn/netl3vpn/NetL3VpnStore.java
+++ b/apps/l3vpn/netl3vpn/src/main/java/org/onosproject/l3vpn/netl3vpn/NetL3VpnStore.java
@@ -71,6 +71,14 @@
     void addVpnInsIfAbsent(String name, VpnInstance instance);
 
     /**
+     * Adds the VPN name and the VPN instance to the map.
+     *
+     * @param name     VPN name
+     * @param instance VPN instance
+     */
+    void addVpnIns(String name, VpnInstance instance);
+
+    /**
      * Adds the access info and the interface info to the map in store.
      *
      * @param accessInfo access info