Revert "Refactor and clean up the status file parsing code."

tests/language/language.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.
 
 # This directory contains tests that are intended to show the
 # current state of the language.
 
 [ ($runtime == vm || $runtime == flutter || $runtime == dart_precompiled) && $compiler != dartk && $compiler != dartkp ]
 abstract_beats_arguments2_test/01: Crash # Issue 29171
 
@@ skipping 523 matching lines @@
 const_types_test/35: CompileTimeError
 const_types_test/40: CompileTimeError
 regress_12561_test: CompileTimeError
 invocation_mirror_invoke_on2_test: CompileTimeError
 
 isnot_malformed_type_test: RuntimeError
 is_not_class2_test: RuntimeError
 
 # No mirrors support in Flutter.
 library_env_test/has_no_mirror_support: Pass
-library_env_test/has_mirror_support: RuntimeError, Ok
+library_env_test/has_mirror_support: RuntimeError Ok
 
 internal_library_test/01: MissingCompileTimeError
 internal_library_test/02: MissingCompileTimeError
 
 # deferred loading is not supported by Flutter
 deferred_type_dependency_test/is: Skip # Timeout
 deferred_type_dependency_test/none: Skip # Timeout
 deferred_type_dependency_test/as: Skip # Timeout
 deferred_type_dependency_test/type_annotation: Skip # Timeout
 deferred_closurize_load_library_test: Skip # Timeout
@@ skipping 13 matching lines @@
 async_return_types_test/wrongTypeParameter: Skip # Flutter Issue 9110
 async_return_types_test/wrongReturnType: Skip # Flutter Issue 9110
 async_return_types_test/return_value_sync_star: Skip # Flutter Issue 9110
 asyncstar_yield_test: Skip # Flutter Issue 9110
 async_star_no_cancel_test: Skip # Flutter Issue 9110
 async_star_cancel_while_paused_test: Skip # Flutter Issue 9110
 await_for_test: Skip # Flutter Issue 9110
 await_for_cancel_test: Skip # Flutter Issue 9110