JDK 9 RFR of JDK-8151263: Mark java/rmi test LeaseCheckInterval.java as intermittently failing

[Amy Lu]

java/rmi/server/Unreferenced/leaseCheckInterval/LeaseCheckInterval.java

This test is known to fail intermittently (JDK-8078587). This patch is 
to mark the test accordingly with keyword 'intermittent'.

bug: https://bugs.openjdk.java.net/browse/JDK-8151263
webrev: http://cr.openjdk.java.net/~amlu/8151263/webrev.00/

Thanks,
Amy

--- old/test/java/rmi/server/Unreferenced/leaseCheckInterval/LeaseCheckInterval.java	2016-03-04 22:49:09.000000000 +0800
+++ new/test/java/rmi/server/Unreferenced/leaseCheckInterval/LeaseCheckInterval.java	2016-03-04 22:49:09.000000000 +0800
@@ -1,5 +1,5 @@
  /*
- * Copyright (c) 2001, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2016, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
@@ -43,6 +43,7 @@
   *          java.rmi/sun.rmi.transport.tcp
   * @build TestLibrary JavaVM LeaseCheckInterval_Stub SelfTerminator
   * @run main/othervm LeaseCheckInterval
+ * @key intermittent
   */
  
  import java.rmi.Remote;