Add dart:typeddata to the SDK and add an unimplemented patch file for dart2js.

tests/standalone/standalone.status

 # 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.
 
 package/invalid_uri_test: Fail, OK # Fails intentionally
 
 [ $runtime == vm ]
 # Temporarily disabled until the test scripts are rewritten for
 # dart:io v2.
 io/skipping_dart2js_compilations_test: skip # Non-fatal process error.
@@ skipping 57 matching lines @@
 crypto/*: Skip # Don't run tests using dart:io in the browser
 package/*: Skip # Do not run those in Dartium.
 debugger/*: Skip # Do not run standalone debugger tests in browser.
 
 [ $compiler == dartc ]
 
 # package test issue 7392
 package/package1_test: Fail
 package/package_isolate_test: Fail
 package/package_test: Fail
-typed_data_test: Fail # issue 8933, dart:typeddata not supported.
-typed_array_test: Fail # issue 8933, dart:typeddata not supported.
-float_array_test: Fail # issue 8933, dart:typeddata not supported.
-int_array_test: Fail # issue 8933, dart:typeddata not supported.
-int_array_load_elimination_test: Fail # issue 8933, dart:typeddata not supported.
 
 
 # The dart:io library is created at build time from separate files, and
 # there is no language-spec compatible way to run unit tests on the private
 # members and methods of dart:io.
 # Dartc spots the misuse of 'part' directives in these unit tests.
 crypto/*: Skip  # dartc cannot parse dart:io unit tests.
 io/mime_multipart_parser_test: Skip  # dartc cannot parse dart:io unit tests.
 io/http_headers_test: Skip  # dartc cannot parse dart:io unit tests.
 io/http_date_test: Skip  # dartc cannot parse dart:io unit tests.
@@ skipping 44 matching lines @@
 *: Skip
 
 [ $arch == simarm ]
 *: Skip
 
 [ $arch == mips ]
 *: Skip
 
 [ $arch == simmips ]
 *: Skip