sdk files reorganization to make dart2js a proper package

tools/testing/dart/test_suite.dart

 // 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.
 
 /**
  * Classes and methods for enumerating and preparing tests.
  *
  * This library includes:
  *
  * - Creating tests by listing all the Dart files in certain directories,
@@ skipping 1879 matching lines @@
     var options = super.additionalOptions(filePath);
     // NOTE: This flag has been deprecated.
     options.add('--show-sdk-warnings');
     return options;
   }
 
   bool isTestFile(String filename) {
     // NOTE: We exclude tests and patch files for now.
     return filename.endsWith(".dart") &&
         !filename.endsWith("_test.dart") &&
-        !filename.contains("_internal/compiler/js_lib");
+        !filename.contains("_internal/js_runtime/lib");
   }
 
   bool get listRecursively => true;
 }
 
 
 class PkgBuildTestSuite extends TestSuite {
   final String statusFilePath;
 
   PkgBuildTestSuite(Map configuration, String suiteName, this.statusFilePath)
@@ skipping 481 matching lines @@
       for (var key in PATH_REPLACEMENTS.keys) {
         if (path.startsWith(key)) {
           path = path.replaceFirst(key, PATH_REPLACEMENTS[key]);
           break;
         }
       }
     }
     return path;
   }
 }