Rename dart:typeddata to dart:typed_data.

tests/standalone/bytedata_test.dart

 // Copyright (c) 2013, 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.
 //
 // Dart test program for testing typed data.
 
 // Library tag to be able to run in html test framework.
 library ByteDataTest;
 
 import "package:expect/expect.dart";
-import 'dart:typeddata';
+import 'dart:typed_data';
 
 testGetters() {
   bool host_is_little_endian = 
     (new Uint8List.view(new Uint16List.fromList([1]).buffer))[0] == 1;
 
   var list = new Uint8List(8);
   list[0] = 0xf1;
   list[1] = 0xf2;
   list[2] = 0xf3;
   list[3] = 0xf4;
@@ skipping 317 matching lines @@
     validate64be(list);
   }
 
 }
 
 
 main() {
   testGetters();
   testSetters();
 }