hg: jdk9/sandbox/jdk: 8137232: Mark 3 more core-libs tests as intermittently failing

[chris.hegarty at oracle.com]

Changeset: 2bea10d2e78f
Author:    amlu
Date:      2015-09-28 16:39 +0300
URL:       http://hg.openjdk.java.net/jdk9/sandbox/jdk/rev/2bea10d2e78f

8137232: Mark 3 more core-libs tests as intermittently failing
Reviewed-by: chegar

! test/java/net/NetworkInterface/NetworkInterfaceStreamTest.java
! test/java/rmi/activation/rmidViaInheritedChannel/InheritedChannelNotServerSocket.java
! test/javax/rmi/PortableRemoteObject/ConcurrentHashMapTest.java