Remove corelib/corelib_strong and migrate last two remaining tests.

tools/status_clean.dart

 // Copyright (c) 2014, 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.
 
 library status_clean;
 
 import "dart:async";
 import "dart:convert" show JSON, UTF8;
 import "dart:io";
 import "testing/dart/multitest.dart";
 import "testing/dart/status_file_parser.dart";
 import "testing/dart/test_suite.dart"
     show
         multiHtmlTestGroupRegExp,
         multiTestRegExp,
         multiHtmlTestRegExp,
         TestUtils;
 import "testing/dart/utils.dart" show Path;
 
 // [STATUS_TUPLES] is a list of (suite-name, directory, status-file)-tuples.
 final STATUS_TUPLES = [
-  ["corelib", "tests/corelib", "tests/corelib/corelib.status"],
+  ["corelib_2", "tests/corelib_2", "tests/corelib_2/corelib_2.status"],
   ["html", "tests/html", "tests/html/html.status"],
   ["isolate", "tests/isolate", "tests/isolate/isolate.status"],
   ["language", "tests/language", "tests/language/language.status"],
   ["language", "tests/language", "tests/language/language_analyzer2.status"],
   ["language", "tests/language", "tests/language/language_analyzer.status"],
   ["language", "tests/language", "tests/language/language_dart2js.status"],
   ["lib", "tests/lib", "tests/lib/lib.status"],
   ["standalone", "tests/standalone", "tests/standalone/standalone.status"],
   ["pkg", "pkg", "pkg/pkg.status"],
   ["utils", "tests/utils", "tests/utils/utils.status"],
@@ skipping 390 matching lines @@
               ": $error");
           return [];
         }
       }).catchError((error) {
         print("Warning: Error occured while fetching testoutcomes: $error");
         return [];
       });
     });
   }
 }