Add bug number to kernel service status line

Change-Id: I2f503ce783c8b32ac01a7c94df62559e6d1e40f4
Reviewed-on: https://dart-review.googlesource.com/68640
Commit-Queue: Jens Johansen <jensj@google.com>
Reviewed-by: Kevin Millikin <kmillikin@google.com>
diff --git a/runtime/observatory/tests/service/service_kernel.status b/runtime/observatory/tests/service/service_kernel.status
index 1fa05ff..11ea88f 100644
--- a/runtime/observatory/tests/service/service_kernel.status
+++ b/runtime/observatory/tests/service/service_kernel.status
@@ -119,8 +119,8 @@
 [ $compiler == dartk ]
 add_breakpoint_rpc_test: SkipByDesign # non-kernel specific version of add_breakpoint_rpc_kernel_test.
 evaluate_activation_in_method_class_test: RuntimeError
-evaluate_activation_test/instance: RuntimeError
-evaluate_activation_test/scope: RuntimeError
+evaluate_activation_test/instance: RuntimeError # http://dartbug.com/20047
+evaluate_activation_test/scope: RuntimeError # http://dartbug.com/20047
 step_through_arithmetic_test: RuntimeError # probably constant evaluator pre-evaluating e.g. 1+2
 unused_changes_in_last_reload_test: RuntimeError