`analyzer_cli` move to SDK.

pkg/analyzer_cli/test/data/options_tests_project/test_file.dart

Index: pkg/analyzer_cli/test/data/options_tests_project/test_file.dart
diff --git a/runtime/observatory/lib/cli.dart b/pkg/analyzer_cli/test/data/options_tests_project/test_file.dart
similarity index 74%
copy from runtime/observatory/lib/cli.dart
copy to pkg/analyzer_cli/test/data/options_tests_project/test_file.dart
index 607c58a919685c7fca635c1bf5acb02543720582..e8f168b1794147bc717d4dac000b871f429a738f 100644
--- a/runtime/observatory/lib/cli.dart
+++ b/pkg/analyzer_cli/test/data/options_tests_project/test_file.dart
@@ -2,8 +2,6 @@
 // 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 cli;
+library analyzer_cli.test.data.options_test_project.test_file;
 
-import 'dart:async';
-
-part 'src/cli/command.dart';
+class a {}