RFR: 9: 8158560: Mark java/rmi/transport/dgcDeadLock/DGCDeadLock.java as intermittently faiing

[Rajan Halade]

May I request you to review this patch to mark DGCDeadLock.java test 
with key intermittent. This test fails frequently.

Bug: https://bugs.openjdk.java.net/browse/JDK-8158560

diff -r fac51dc689e5 test/java/rmi/transport/dgcDeadLock/DGCDeadLock.java
--- a/test/java/rmi/transport/dgcDeadLock/DGCDeadLock.java      Thu Jun 
02 10:52:55 2016 -0700
+++ b/test/java/rmi/transport/dgcDeadLock/DGCDeadLock.java      Thu Jun 
02 11:32:25 2016 -0700
@@ -23,6 +23,7 @@

  /* @test
   * @bug 4118056
+ * @key intermittent
   *
   * @summary synopsis: Distributed Garbage Collection Deadlock
   * @author Laird Dornin

Thanks,
Rajan