adding specified treatments when uninstalling intents

Change-Id: I4a200a6df9fce048321846c6df9b9e79457f7dfd

@@ -123,7 +123,8 @@ public class PathIntentInstaller implements IntentInstaller<PathIntent> {
         while (links.hasNext()) {
             builder.matchInport(prev.port());
             Link link = links.next();
-            TrafficTreatment treatment = builder()
+            TrafficTreatment treatment = // if this is the last flow rule, apply the intent's treatments
+                    (links.hasNext() ? builder() : builder(intent.treatment()))
                             .setOutput(link.src().port()).build();
             FlowRule rule = new DefaultFlowRule(link.src().deviceId(),
                     builder.build(), treatment,