[gardening] Silence flaky test which times out on simarm64 bot

Change-Id: I1561baba3653981f5227fcbe53428caaa18a5877
Reviewed-on: https://dart-review.googlesource.com/61112
Reviewed-by: Ryan Macnak <rmacnak@google.com>
Commit-Queue: Alexander Markov <alexmarkov@google.com>
diff --git a/tests/lib_2/lib_2_kernel.status b/tests/lib_2/lib_2_kernel.status
index 41cb3ad..e8a160c 100644
--- a/tests/lib_2/lib_2_kernel.status
+++ b/tests/lib_2/lib_2_kernel.status
@@ -46,6 +46,9 @@
 mirrors/reflected_type_test/03: MissingCompileTimeError
 mirrors/variable_is_const_test/01: MissingCompileTimeError
 
+[ $arch == simarm64 && $compiler == dartk && $strong ]
+isolate/mint_maker_test: Timeout # Please triage.
+
 [ $arch == simdbc64 && $compiler == dartk && $mode == debug && $runtime == vm && $strong ]
 isolate/isolate_complex_messages_test: Crash # http://dartbug.com/33128