Increased tolerance for pingall test

Moved-up a time-stamp in FlowObjectiveManager profiling.

Change-Id: Iedd38a721ace5eb6f25f5a050b9f49dea3e271a2

@@ -260,12 +260,12 @@ public class FlowObjectiveManager implements FlowObjectiveService {
             }
 
             driverHandlers.put(deviceId, handler);
-            hTime = now();
         }
 
         // Always (re)initialize the pipeline behaviour
         log.info("Driver {} bound to device {} ... initializing driver",
                  handler.driver().name(), deviceId);
+        hTime = now();
         Pipeliner pipeliner = handler.behaviour(Pipeliner.class);
         hbTime = now();
         pipeliner.init(deviceId, context);

@@ -17,7 +17,7 @@
     <!-- TODO: parametrize this via recipes -->
     <group name="Net-Pingall">
         <step name="Ping-All-And-Verify"
-              exec="onos-mininet sendAndExpect py net.pingAll(1) --expect Results: .* dropped"/>
+              exec="onos-mininet sendAndExpect py net.pingAll(1) --expect Results: [0-5]% dropped"/>
 
         <step name="Check-Summary-For-Hosts" requires="~Ping-All-And-Verify"
               exec="onos-check-summary ${OC1} [0-9]* 25 140 25"/>