Roll Observatory packages and add a roll script

packages/charted/test.disabled/charted_tests.dart

Index: packages/charted/test.disabled/charted_tests.dart
diff --git a/packages/charted/test.disabled/charted_tests.dart b/packages/charted/test.disabled/charted_tests.dart
new file mode 100644
index 0000000000000000000000000000000000000000..5066635a2954b1194eb31f87f9694b02dca9fb9b
--- /dev/null
+++ b/packages/charted/test.disabled/charted_tests.dart
@@ -0,0 +1,39 @@
+/*
+ * Copyright 2014 Google Inc. All rights reserved.
+ *
+ * Use of this source code is governed by a BSD-style
+ * license that can be found in the LICENSE file or at
+ * https://developers.google.com/open-source/licenses/bsd
+ */
+
+library charted.test;
+
+import 'charts/transformers/transformer_test.dart' as transformer;
+import 'charts/renderers/renderer_test.dart' as renderer;
+import 'core/core_test.dart' as core;
+import 'event/event_test.dart' as event;
+import 'format/format_test.dart' as format;
+import 'interpolators/interpolators_test.dart' as interpolators;
+import 'layout/layout_test.dart' as layout;
+import 'locale/locale_test.dart' as locale;
+import 'scale/scale_test.dart' as scale;
+import 'selection/selection_test.dart' as selection;
+import 'svg/svg_test.dart' as svg;
+import 'time/time_test.dart' as time;
+import 'transition/transition_test.dart' as transition;
+
+allChartedTests() {
+  core.coreTests();
+  event.eventTests();
+  format.formatTests();
+  interpolators.interpolatorsTests();
+  layout.layoutTests();
+  locale.localeTests();
+  renderer.rendererTests();
+  scale.scaleTests();
+  selection.selectionTests();
+  svg.svgTests();
+  time.timeTests();
+  transition.transitionTests();
+  transformer.transformerTests();
+}