Rename analyzer_experimental to analyzer.

pkg/analyzer/lib/src/services/runtime/coverage/coverage_lib.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.
 
 /// This library is injected into the applications under coverage.
 library coverage_lib;
 
 import 'dart:io';
 import 'dart:typed_data';
 
 const PORT = 0; // replaced during rewrite
 final _executedIds = new Uint8List(1024 * 64);
 
 touch(int id) {
   int listIndex = id ~/ 8;
   int bitIndex = id % 8;
   _executedIds[listIndex] |= 1 << bitIndex;
 }
 
 postStatistics() {
   var httpClient = new HttpClient();
   return httpClient.post('127.0.0.1', PORT, '/statistics')
       .then((request) {
         request.add(_executedIds);
         return request.close();
       });
 }