JDK 9 RFR of JDK-8175062: Mark java/nio/channels/AsyncCloseAndInterrupt.java as intermittently failing

[Amy Lu]

java/nio/channels/AsyncCloseAndInterrupt.java

This test is known to fail intermittently (JDK-8172045), this patch is 
to mark the test accordingly with keyword 'intermittent'.

Please review.

bug: https://bugs.openjdk.java.net/browse/JDK-8175062
webrev: http://cr.openjdk.java.net/~amlu/8175062/webrev.00/

Thanks,
Amy

--- old/test/java/nio/channels/AsyncCloseAndInterrupt.java	2017-02-16 15:06:51.000000000 +0800
+++ new/test/java/nio/channels/AsyncCloseAndInterrupt.java	2017-02-16 15:06:51.000000000 +0800
@@ -25,6 +25,7 @@
   * @bug 4460583 4470470 4840199 6419424 6710579 6596323 6824135 6395224 7142919
   *      8151582 8068693 8153209
   * @run main/othervm AsyncCloseAndInterrupt
+ * @key intermittent
   * @summary Comprehensive test of asynchronous closing and interruption
   * @author Mark Reinhold
   */