Revert "Parts must start with 'part of'" and "Attempt to fix VM build"

dart/pkg/args/example/test_runner.dart

Index: dart/pkg/args/example/test_runner.dart
diff --git a/dart/pkg/args/example/test_runner.dart b/dart/pkg/args/example/test_runner.dart
index d0a6ed8eae074788e19d9dee8f1955011500eb5a..f91e38556adee37f108fbf8406c619e6b6f09e82 100644
--- a/dart/pkg/args/example/test_runner.dart
+++ b/dart/pkg/args/example/test_runner.dart
@@ -7,11 +7,11 @@
  * It shows what it looks like to build an [ArgParser] and then, when the code
  * is run, demonstrates what the generated usage text looks like.
  */
-library example;
+#library('example');
 
-import 'dart:io';
+#import('dart:io');
 
-import 'package:args/args.dart';
+#import('package:args/args.dart');
 
 main() {
   var parser = new ArgParser();