[Gardening] Mark pause_on_unhandled_async_exceptions_test also flaky on kernel

Issue https://github.com/dart-lang/sdk/issues/34673

Change-Id: I668e0ca670ef380860109653a66e5603fc8ebbbb
Reviewed-on: https://dart-review.googlesource.com/c/78124
Reviewed-by: Martin Kustermann <kustermann@google.com>
Reviewed-by: Alexander Aprelev <aam@google.com>
Commit-Queue: Martin Kustermann <kustermann@google.com>
diff --git a/runtime/observatory/tests/service/service.status b/runtime/observatory/tests/service/service.status
index 14881ed..2840080 100644
--- a/runtime/observatory/tests/service/service.status
+++ b/runtime/observatory/tests/service/service.status
@@ -15,6 +15,9 @@
 [ $arch == arm ]
 process_service_test: Pass, Fail # Issue 24344
 
+[ $builder_tag == optimization_counter_threshold ]
+pause_on_unhandled_async_exceptions_test: Pass, RuntimeError # http://dartbug.com/34673
+
 [ $compiler == app_jit ]
 bad_reload_test: RuntimeError # Issue 27806
 complex_reload_test: RuntimeError # Issue 27806
@@ -64,9 +67,6 @@
 dev_fs_http_put_weird_char_test: Skip # Windows disallows carriage returns in paths
 dev_fs_weird_char_test: Skip # Windows disallows question mark in paths
 
-[ $builder_tag == optimization_counter_threshold && $compiler != dartk ]
-pause_on_unhandled_async_exceptions_test: Pass, RuntimeError # Issue 33365
-
 [ $compiler == none && $runtime == vm && $system == fuchsia ]
 *: Skip # Not yet triaged.