Switch pkg packages, pub, and dartdoc to use package: imports.

utils/tests/pub/pub_lish_test.dart

 // Copyright (c) 2012, 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 pub_lish_test;
 
 import 'dart:io';
 import 'dart:json' as json;
 
-import '../../../pkg/scheduled_test/lib/scheduled_test.dart';
-import '../../../pkg/scheduled_test/lib/scheduled_server.dart';
+import 'package:scheduled_test/scheduled_test.dart';
+import 'package:scheduled_test/scheduled_server.dart';
 
 import '../../pub/exit_codes.dart' as exit_codes;
 import '../../pub/io.dart';
 import 'descriptor.dart' as d;
 import 'test_pub.dart';
 
 void handleUploadForm(ScheduledServer server, [Map body]) {
   server.handle('GET', '/packages/versions/new.json', (request) {
     return server.url.then((url) {
       expect(request.headers.value('authorization'),
@@ skipping 460 matching lines @@
       var server = new ScheduledServer();
       var pub = startPublish(server, args: ['--force']);
 
       pub.shouldExit(0);
       expect(pub.remainingStderr(), completion(contains(
           "Sorry, your package is missing a requirement and can't be "
           "published yet.")));
     });
   });
 }