Rename analyzer_experimental to analyzer.

pkg/analyzer/lib/src/analyzer_impl.dart

 // Copyright (c) 2013, 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 analyzer_impl;
 
 import 'dart:io';
 
 import 'generated/java_io.dart';
 import 'generated/engine.dart';
@@ skipping 168 matching lines @@
       DirectoryBasedDartSdk directoryBasedSdk = sdk;
       String sdkLibPath = directoryBasedSdk.libraryDirectory.getPath() + JavaFile.separator;
       if (file.getPath().startsWith(sdkLibPath)) {
         return UriKind.DART_URI;
       }
     }
     // some generic file
     return UriKind.FILE_URI;
   }
 }