disable new system thread (JDK-8170299)

Author: thurka

visualvm/libs.profiler/lib.profiler/test/qa-functional/src/org/graalvm/visualvm/lib/jfluid/tests/jfluid/monitor/MonitorTestCase.java

@@ -222,7 +222,8 @@ protected void startMonitorTest(ProfilerEngineSettings settings, int times, long
 
                 if (!td.getName().equals("process reaper")
                  && !td.getName().equals("DestroyJavaVM")
-                 && !td.getName().equals("Common-Cleaner")) { //disable system threads
+                 && !td.getName().equals("Common-Cleaner")
+                 && !td.getName().equals("Notification Thread")) { //disable system threads
 
                     byte[] states = new byte[statesNumber];
                     String n = td.getName() + ", class: " + td.getClassName();