Add basic standalone debugger test

tests/standalone/standalone.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.
 
 package/invalid_uri_test: Fail, OK # Fails intentionally
 
 [ $runtime == vm && $checked ]
 # These tests have type errors on purpose.
 io/process_invalid_arguments_test: Fail, OK
 io/directory_invalid_arguments_test: Fail, OK
@@ skipping 25 matching lines @@
 io/process_non_ascii_test: Pass, Fail
 
 [ $runtime == vm && $system == windows ]
 io/file_system_links_test: Skip  # No links on Windows.
 io/test_extension_fail_test: Fail  # Issue 7157
 io/secure_server_stream_test: Pass, Crash, Timeout  # Issue 6893
 io/secure_server_test: Pass, Crash, Fail, Timeout  # Issue 6893
 io/secure_no_builtin_roots_test: Pass, Crash  # Issue 7157
 io/secure_socket_bad_certificate_test: Pass, Crash, Fail, Timeout  # Issue 7157
 io/http_shutdown_test: Pass, Fail, Timeout  # Issue 7294
+debugger/*: Skip # Debugger support not yet implemented for Windows. Issue 4118.
 
 [ $compiler == none && $runtime == drt ]
 io/*: Skip # Don't run tests using dart:io in the browser
 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
 
 
 # The dart:io library is created at build time from separate files, and
@@ skipping 25 matching lines @@
 *: Skip
 
 [ $compiler == dart2js ]
 number_identity_test: Skip # Bigints and int/double diff. not supported.
 typed_array_test: Skip # This is a VM test
 float_array_test: Skip # This is a VM test
 int_array_test: Skip  # This is a VM test
 medium_integer_test: Fail, OK # Test fails with JS number semantics: issue 1533.
 io/process_exit_negative_test: Fail, OK # relies on a static error that is a warning now.
 package/package_isolate_test: Skip # spawnUri does not work in dart2js. See issue 3051
+debugger/*: Skip # Do not run standalone vm debugger tests with dart2js.
 
 [ $compiler == dart2js && $jscl ]
 assert_test: Fail, OK # Assumes unspecified fields on the AssertionError.
 byte_array_test: Fail, OK # ByteArray
 deoptimization_test: Fail, OK # Requires bigint.
 out_of_memory_test: Fail, OK # d8 handles much larger arrays than Dart VM.
 io/http_parser_test: Fail, OK # ByteArray
 io/options_test: Fail, OK # Cannot pass options to d8.
 
 [ $compiler == dart2js && $runtime == none ]
 io/options_test: Fail
 medium_integer_test: Pass # The test only fails at runtime, not at compilation.
 
 [ $compiler == dart2js && $browser ]
 *: Skip
 
 [ $compiler == dart2js && $checked ]
 io/http_read_test: Skip # Timeout TODO(ngeoffray): investigate
 io/list_input_stream_test: Skip # Timeout TODO(ngeoffray): investigate
 
 [ $compiler == dart2dart ]
 # Skip until we stabilize language tests.
 *: Skip