Roll Observatory packages and add a roll script

packages/smoke/test/piece2.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.
+
+/// Part of the static_in_pieces_test
+library smoke.test.piece2;
+
+import 'package:smoke/smoke.dart' show Declaration, PROPERTY, METHOD;
+import 'package:smoke/static.dart' show useGeneratedCode, StaticConfiguration;
+import 'common.dart' as smoke_0;
+
+final configuration = new StaticConfiguration(
+    checkedMode: false, getters: {#j2: (o) => o.j2,}, setters: {
+  #j2: (o, v) {
+    o.j2 = v;
+  },
+},
+    parents: {},
+    declarations: {
+  smoke_0.A: {},
+  smoke_0.B: {#a: const Declaration(#a, smoke_0.A),},
+  smoke_0.K: {
+    #k: const Declaration(#k, int,
+        annotations: const [const smoke_0.AnnotC(named: true)]),
+    #k2: const Declaration(#k2, int,
+        annotations: const [const smoke_0.AnnotC()]),
+  },
+},
+    staticMethods: {smoke_0.A: {#staticInc: smoke_0.A.staticInc,},},
+    names: {#i: r'i',});