Temporarily disable run-test 004-JniTest on javac-dx configurations.

The test is failing since the new annotation lookup change,
which no longer resolves annotations classes. Disable it
while we investigate.

Test: test.py (with `ANDROID_COMPILE_WITH_JACK=false`)
Bug: 63089991
Bug: 38454151
Change-Id: Icfbfef061601fd99602bc95e99683a8b7ebb0dbb
diff --git a/test/knownfailures.json b/test/knownfailures.json
index cf73a5f..f3c86b6 100644
--- a/test/knownfailures.json
+++ b/test/knownfailures.json
@@ -676,5 +676,12 @@
         "description": [ "Flake on gcstress" ],
         "bug": "b/62562923",
         "variant": "gcstress & jit & target"
+    },
+    {
+        "tests": ["004-JniTest"],
+        "description": [ "Tests failing with --build-with-javac-dx since the new annotation",
+                         "lookup changes" ],
+        "bug": "b/63089991",
+        "env_vars": {"ANDROID_COMPILE_WITH_JACK": "false"}
     }
 ]