Ignore failures in run-test 080-oom-throw with JIT.

This test sometimes fails with JIT with an unexpectedly thrown
exception before or during an (expected) thrown OutOfMemoryError.
Disable it while we investigate the cause of this flakiness.

Test: Relying on pre- and post-submit testing.
Bug: 77567088
Change-Id: Ib0eeacd281fcd62ea21ba0714276d1ebb03d130a
diff --git a/test/knownfailures.json b/test/knownfailures.json
index a202044..31a0eef 100644
--- a/test/knownfailures.json
+++ b/test/knownfailures.json
@@ -984,5 +984,11 @@
                   "991-field-trace-2"],
         "variant": "gcstress & debug & target",
         "description": ["Test can time out on gcstress with debug"]
+    },
+    {
+        "tests": ["080-oom-throw"],
+        "variant": "jit",
+        "bug": "b/77567088",
+        "description": ["Test throws exception before or during OOME."]
     }
 ]