Adds Math Min/Max to arm64.

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.
 
 # Don't run any test-like files that show up in packages directories. It
 # shouldn't be necessary to run "pub install" in these packages, but if you do
 # it shouldn't break the tests.
 */packages/*/*: Skip
 */*/packages/*/*: Skip
 */*/*/packages/*/*: Skip
@@ skipping 235 matching lines @@
 [ $arch == mips ]
 *: Skip  # Issue 13650
 
 [ $arch == arm ]
 *: Skip  # Issue 13624
 
 [ $arch == simarm && $checked ]
 watcher/test/directory_watcher/linux_test: Skip # Issue 16118
 
 [ $arch == simarm64 ]
+# Timeout. These are not unit tests. They do not run efficiently on our
+# simulator.
 *: Skip
 
 # Skip serialization test that explicitly has no library declaration in the
 # test on Dartium, which requires all tests to have a library.
 [ $compiler == none && ( $runtime == dartium || $runtime == drt ) ]
 serialization/test/no_library_test: Skip # Expected Failure
 serialization/test/serialization_test: Fail # 13921
 unittest/test/unittest_async_exception_test: Fail # 13921
 unittest/test/unittest_async_setup_teardown_test: Fail # 13921
 unittest/test/unittest_completion_test: Fail # 13921
@@ skipping 84 matching lines @@
 http/test/multipart_test: Fail
 http/test/request_test: Fail
 http/test/response_test: Fail
 oauth2/test/authorization_code_grant_test: Fail
 oauth2/test/client_test: Fail
 oauth2/test/credentials_test: Fail
 oauth2/test/handle_access_token_response_test: Fail
 
 [ $runtime == drt ]
 http/test/html/client_test: Skip # Issue 18566