Rename vmservice/client to vmservice/observatory to match package name.

runtime/bin/vmservice/client/lib/service.dart

Index: runtime/bin/vmservice/client/lib/service.dart
===================================================================
--- runtime/bin/vmservice/client/lib/service.dart	(revision 38989)
+++ runtime/bin/vmservice/client/lib/service.dart	(working copy)
@@ -1,13 +0,0 @@
-// 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 service;
-
-import 'dart:async';
-import 'dart:convert';
-
-import 'package:logging/logging.dart';
-import 'package:observe/observe.dart';
-
-part 'src/service/object.dart';