RFR(XS): 7198846: Add javax/management/remote/mandatory/notif/DiffHBTest.java to ProblemList.txt

[Staffan Larsen]

The test fails intermittently, see 7120365. Exclude until we have time to look at why.

Thanks,
/Staffan

diff --git a/test/ProblemList.txt b/test/ProblemList.txt
--- a/test/ProblemList.txt
+++ b/test/ProblemList.txt
@@ -147,6 +147,9 @@
 # 7158614, locks up Windows machines at least
 sun/management/jmxremote/startstop/JMXStartStopTest.sh		windows-all
 
+# 7120365
+javax/management/remote/mandatory/notif/DiffHBTest.java 	generic-all
+
 ############################################################################
 
 # jdk_math