Rename dart:typeddata to dart:typed_data.

runtime/tests/vm/dart/byte_array_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 tag to be able to run in html test framework.
 library byte_array_test;
 
 import "package:expect/expect.dart";
-import 'dart:typeddata';
+import 'dart:typed_data';
 
 class ByteArrayTest {
   static testInt8ListImpl(Int8List array) {
     Expect.isTrue(array is List<int>);
     Expect.equals(10, array.length);
     Expect.equals(1, array.elementSizeInBytes);
     Expect.equals(10, array.lengthInBytes);
     Expect.listEquals([0, 0, 0, 0, 0,
                        0, 0, 0, 0, 0],
                       array);
@@ skipping 2357 matching lines @@
 
     testByteList();
   }
 }
 
 main() {
   for (var i=0; i<1000; i++) {
     ByteArrayTest.testMain();
   }
 }