Set SONA ARP mode as broadcast by default for better avaialability

Change-Id: Ie166d4dca4c21c43695b25ed85c311acbb316041
diff --git a/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/impl/OpenstackRoutingArpHandler.java b/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/impl/OpenstackRoutingArpHandler.java
index 42c1c77..6798577 100644
--- a/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/impl/OpenstackRoutingArpHandler.java
+++ b/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/impl/OpenstackRoutingArpHandler.java
@@ -141,7 +141,7 @@
     // TODO: need to find a way to unify aprMode and gatewayMac variables with
     // that in SwitchingArpHandler
     @Property(name = ARP_MODE, value = DEFAULT_ARP_MODE_STR,
-            label = "ARP processing mode, proxy (default) | broadcast ")
+            label = "ARP processing mode, broadcast (default) | proxy ")
     protected String arpMode = DEFAULT_ARP_MODE_STR;
 
     protected String gatewayMac = DEFAULT_GATEWAY_MAC_STR;