Add test and fix for 9203, fix sdk dep, delete unused file.

pkg/pkg.status

 # 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.
 
 # Run this test manually to verify that the fixnum library produces
 # the same results as native ints on a set of directed and random inputs.
 # Skip it when running automated tests because it times out.  This
 # test only makes sense on runtimes that support 64-bit integer
 # arithmetic natively, i.e., the VM.
 fixnum/test/int_64_vm_test: Skip
@@ skipping 67 matching lines @@
 intl/test/message_extraction/message_extraction_test: Fail # Issue 9167
 
 # Skip http request tests on Dartium while resolving an odd
 # error there that causes the tests to timeout.
 [ $runtime == dartium || $runtime == drt ]
 intl/test/date_time_format_http_request_test: Skip
 
 [ $compiler == dart2js ]
 # Skip intl_message tests that use mirrors on dart2js until it's been
 # implemented there.
-serialization/test/serialization_test: Skip
+serialization/test/serialization_test: Skip # Issue 6490
+serialization/test/no_library_test: Skip # Issue 6490
 analyzer_experimental/test/generated/ast_test: Skip
 analyzer_experimental/test/generated/element_test: Skip
 analyzer_experimental/test/generated/parser_test: Skip
 analyzer_experimental/test/generated/resolver_test: Skip
 analyzer_experimental/test/generated/scanner_test: Skip
 
 [ $compiler == dartc ]
 unittest/test/mock_regexp_negative_test: Fail
 unittest/test/mock_stepwise_negative_test: Fail
 
@@ skipping 17 matching lines @@
 *: Skip
 
 [ $arch == simarm ]
 *: Skip
 
 [ $arch == mips ]
 *: Skip
 
 [ $arch == simmips ]
 *: Skip