Disable 181-default-methods for no-image.

Test: testrunner.py --host --picimage --no-image -t 181
Bug: 217494697
Change-Id: Iab2fcb458237c49689b153ba860f3b08a3677ed4
diff --git a/test/knownfailures.json b/test/knownfailures.json
index f68f6f0..c92e36a 100644
--- a/test/knownfailures.json
+++ b/test/knownfailures.json
@@ -1474,5 +1474,11 @@
         "tests": ["667-jit-jni-stub"],
         "variant": "jit-on-first-use | redefine-stress",
         "description": ["jit-on-first-use disables jit GC but this test requires jit GC"]
+    },
+    {
+        "tests": ["181-default-methods"],
+        "variant": "no-image",
+        "bug": "b/217494697",
+        "description": ["Disabled due to CHA bug. b/217494697"]
     }
 ]