Adjust expectations for libcore+gcstress+debug+host.

These tests are failing on the bot.

Test: run-libcore-tests
Change-Id: I0889e710acb7ab21d80b53b0f1442d5dce341f1a
diff --git a/tools/libcore_gcstress_debug_failures.txt b/tools/libcore_gcstress_debug_failures.txt
index d176738..5af9b83 100644
--- a/tools/libcore_gcstress_debug_failures.txt
+++ b/tools/libcore_gcstress_debug_failures.txt
@@ -42,12 +42,15 @@
           "libcore.java.lang.StringTest#testFastPathString_wellFormedUtf8Sequence",
           "libcore.java.math.BigIntegerTest#test_Constructor_IILjava_util_Random",
           "libcore.java.math.BigIntegerTest#test_probablePrime",
+          "libcore.java.util.concurrent.ReentrantReadWriteLockTest#testGetQueuedReaderThreads",
           "libcore.java.util.stream.CollectorsTest#counting_largeStream",
           "org.apache.harmony.luni.tests.internal.net.www.protocol.http.HttpURLConnectionTest#testUsingProxy",
           "org.apache.harmony.luni.tests.internal.net.www.protocol.http.HttpURLConnectionTest#testUsingProxySelector",
           "org.apache.harmony.luni.tests.internal.net.www.protocol.https.HttpsURLConnectionTest#testConsequentProxyConnection",
           "org.apache.harmony.tests.java.lang.ProcessManagerTest#testSleep",
-          "org.apache.harmony.tests.java.math.BigIntegerConstructorsTest#testConstructorPrime"
+          "org.apache.harmony.tests.java.math.BigIntegerConstructorsTest#testConstructorPrime",
+          "org.apache.harmony.tests.java.util.TimerTest#testOverdueTaskExecutesImmediately",
+          "org.apache.harmony.tests.java.util.WeakHashMapTest#test_keySet_hasNext"
   ]
 },
 {