Add CombineEvents_5 to libjdwp skips

This test seems somewhat flakey when run against the libjdwp agent.

Bug: 67497270
Test: manual
Change-Id: Ib6109175da4ebef5395262d98a827e4b6821620e
diff --git a/tools/libjdwp_art_failures.txt b/tools/libjdwp_art_failures.txt
index 8d67c45..bd422e9 100644
--- a/tools/libjdwp_art_failures.txt
+++ b/tools/libjdwp_art_failures.txt
@@ -82,6 +82,7 @@
     "org.apache.harmony.jpda.tests.jdwp.Events.CombinedEventsTest#testCombinedEvents_02",
     "org.apache.harmony.jpda.tests.jdwp.Events.CombinedEventsTest#testCombinedEvents_03",
     "org.apache.harmony.jpda.tests.jdwp.Events.CombinedEventsTest#testCombinedEvents_04",
+    "org.apache.harmony.jpda.tests.jdwp.Events.CombinedEventsTest#testCombinedEvents_05",
     "org.apache.harmony.jpda.tests.jdwp.Events.CombinedEventsTest#testCombinedEvents_06",
     "org.apache.harmony.jpda.tests.jdwp.Events.VMDeathTest#testVMDeathEvent",
     "org.apache.harmony.jpda.tests.jdwp.MultiSession.ClassPrepareTest#testClassPrepare001",