Dart: Renames dart:mojo_blah -> mojo:blah

sky/tests/services/network.sky

Index: sky/tests/services/network.sky
diff --git a/sky/tests/services/network.sky b/sky/tests/services/network.sky
index 58a6ab94d37d71f25b0e6935cae440bac3411406..c9e6fd796681a375fe3ded8c32f221286397e38d 100644
--- a/sky/tests/services/network.sky
+++ b/sky/tests/services/network.sky
@@ -3,10 +3,10 @@
 <script>
 import '/sky/framework/embedder.dart';
 import 'dart:async';
-import 'dart:mojo_bindings';
-import 'dart:mojo_core';
 import 'dart:typed_data';
 import "dart:sky.internals" as internals;
+import 'mojo:bindings';
+import 'mojo:core';
 
 import 'package:mojo/services/network/public/interfaces/network_service.mojom.dart';
 import 'package:mojo/services/network/public/interfaces/url_loader.mojom.dart';