Disable 837-deopt on jit-on-first-use.

The test depends on inline cache deoptimization, which doesn't happen
with jit-on-first-use.

Test: 837-deopt
Bug: 233021156
Change-Id: I7f44ef44dc5a87de15c06dd4869ad91df6e7d48f
diff --git a/test/knownfailures.json b/test/knownfailures.json
index 7e61607..8983d04 100644
--- a/test/knownfailures.json
+++ b/test/knownfailures.json
@@ -1525,6 +1525,6 @@
     {
         "tests": ["837-deopt"],
         "description": ["Tests deoptimization and OSR, which never happens when tracing."],
-        "variant": "trace | stream"
+        "variant": "trace | stream | jit-on-first-use"
     }
 ]