ArViz Coin: Add average timing to debug observer

source/RobotAPI/gui-plugins/ArViz/ArVizWidgetController.h

@@ -215,6 +215,9 @@ namespace armarx
         IceUtil::Handle<ArVizWidgetBatchCallback> callbackData;
         armarx::viz::Callback_StorageInterface_getRecordingBatchPtr callback;
         Ice::AsyncResultPtr callbackResult;
+
+        std::vector<double> timings;
+
     public:
         static QIcon GetWidgetIcon()
         {