Roll Observatory packages and add a roll script

packages/analyzer/test/generated/test_all.dart

Index: packages/analyzer/test/generated/test_all.dart
diff --git a/packages/analyzer/test/generated/test_all.dart b/packages/analyzer/test/generated/test_all.dart
new file mode 100644
index 0000000000000000000000000000000000000000..fb84d461cafc2cb3e2308d946bf4b7d726f626dd
--- /dev/null
+++ b/packages/analyzer/test/generated/test_all.dart
@@ -0,0 +1,52 @@
+// 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.
+
+library test.generated;
+
+import 'package:unittest/unittest.dart';
+
+import '../utils.dart';
+import 'all_the_rest_test.dart' as all_the_rest;
+import 'ast_test.dart' as ast_test;
+import 'compile_time_error_code_test.dart' as compile_time_error_code_test;
+import 'element_test.dart' as element_test;
+import 'engine_test.dart' as engine_test;
+import 'incremental_resolver_test.dart' as incremental_resolver_test;
+import 'incremental_scanner_test.dart' as incremental_scanner_test;
+import 'java_core_test.dart' as java_core_test;
+import 'java_io_test.dart' as java_io_test;
+import 'non_error_resolver_test.dart' as non_error_resolver_test;
+import 'parser_test.dart' as parser_test;
+import 'resolver_test.dart' as resolver_test;
+import 'scanner_test.dart' as scanner_test;
+import 'source_factory_test.dart' as source_factory_test;
+import 'static_type_warning_code_test.dart' as static_type_warning_code_test;
+import 'static_warning_code_test.dart' as static_warning_code_test;
+import 'type_system_test.dart' as type_system_test;
+import 'utilities_test.dart' as utilities_test;
+
+/// Utility for manually running all tests.
+main() {
+  initializeTestEnvironment();
+  group('generated tests', () {
+    all_the_rest.main();
+    ast_test.main();
+    compile_time_error_code_test.main();
+    element_test.main();
+    engine_test.main();
+    incremental_resolver_test.main();
+    incremental_scanner_test.main();
+    java_core_test.main();
+    java_io_test.main();
+    non_error_resolver_test.main();
+    parser_test.main();
+    resolver_test.main();
+    scanner_test.main();
+    source_factory_test.main();
+    static_type_warning_code_test.main();
+    static_warning_code_test.main();
+    type_system_test.main();
+    utilities_test.main();
+  });
+}