Update intl to new import syntax

pkg/intl/test/date_time_format_local_test_stub.dart

Index: pkg/intl/test/date_time_format_local_test_stub.dart
===================================================================
--- pkg/intl/test/date_time_format_local_test_stub.dart	(revision 14371)
+++ pkg/intl/test/date_time_format_local_test_stub.dart	(working copy)
@@ -7,12 +7,12 @@
  * directly in the program as a constant.
  */
 
-#library('date_time_format_test');
+library date_time_format_test;
 
-#import('../lib/intl.dart');
-#import('../lib/date_time_patterns.dart');
-#import('../lib/date_symbol_data_local.dart');
-#import('date_time_format_test_core.dart');
+import '../lib/intl.dart';
+import '../lib/date_time_patterns.dart';
+import '../lib/date_symbol_data_local.dart';
+import 'date_time_format_test_core.dart';
 
 runWith([Function getSubset]) {
   // Initialize one locale just so we know what the list is.