Blacklist two tests due to timeout.

bug: 36377828
Test: test-art-host testrunner.py
Change-Id: Ibe5e4cc6d9bf027cba4de6f545d5b16ed925f7c9
diff --git a/test/knownfailures.json b/test/knownfailures.json
index f3783a0..d540a79 100644
--- a/test/knownfailures.json
+++ b/test/knownfailures.json
@@ -342,5 +342,11 @@
                   "637-checker-throw-inline"],
         "bug": "http://b/36365552",
         "variant": "no-image & jit"
+    },
+    {
+        "tests": ["530-checker-lse",
+                  "080-oom-throw"],
+        "bug": "http://b/36377828",
+        "variant": "interp-ac"
     }
 ]