Qemu: Ignore failing/flaky arm tests am: cbc7fb1158 am: e3baa591da

Original change: https://android-review.googlesource.com/c/platform/art/+/2986269

Change-Id: Iabf5759047f0f0610da858868a465440775de8f5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
diff --git a/test/knownfailures.json b/test/knownfailures.json
index 5323fd5..31158e3 100644
--- a/test/knownfailures.json
+++ b/test/knownfailures.json
@@ -1570,5 +1570,17 @@
       "description": ["Test relies on profiling done by baseline compiled code. Meanwhile, it",
                       "can't use --baseline because it has a test case checking the behavior when",
                       "a method is optimized compiled."]
+    },
+    {
+      "tests": ["004-ThreadStress",
+                "050-sync-test",
+                "083-compiler-regressions",
+                "137-cfi",
+                "913-heaps",
+                "2043-reference-pauses",
+                "2239-varhandle-perf"],
+      "bug": "b/328023607",
+      "description": ["Fails on QEMU"],
+      "env_vars": {"ART_TEST_ON_VM": "true"}
     }
 ]