Rename analyzer_experimental to analyzer.

pkg/analyzer_experimental/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();
-      });
-}