Roll Observatory packages and add a roll script

packages/smoke/lib/static_debug.dart

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 /// Static implementation of smoke services that uses code-generated data and
 /// verifies that the results match what we would get with a mirror-based
 /// implementation.
 library smoke.static_debug;
 
 export 'package:smoke/static.dart' show StaticConfiguration, Getter, Setter;
@@ skipping 100 matching lines @@
   if (staticResult is List &&
       mirrorResult is List &&
       compareLists(staticResult, mirrorResult, unordered: true)) {
     return staticResult;
   }
   print('warning: inconsistent result on $operation(${arguments.join(', ')})\n'
       'smoke.mirrors result: $mirrorResult\n'
       'smoke.static result:  $staticResult\n');
   return staticResult;
 }