Add analytics to analyzer-cli and analysis server.

pkg/analyzer_cli/test/strong_mode_test.dart

 // Copyright (c) 2015, 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_cli.test.strong_mode;
 
 import 'dart:io';
 
 import 'package:analyzer_cli/src/driver.dart' show Driver, errorSink, outSink;
 import 'package:path/path.dart' as path;
@@ skipping 25 matching lines @@
       errorSink = new StringBuffer();
     });
     tearDown(() {
       outSink = savedOutSink;
       errorSink = savedErrorSink;
       exitCode = savedExitCode;
     });
 
     test('produces stricter errors', () async {
       var testPath = path.join(testDirectory, 'data/strong_example.dart');
-      new Driver().start(['--options', emptyOptionsFile, '--strong', testPath]);
+      new Driver(isTesting: true)
+          .start(['--options', emptyOptionsFile, '--strong', testPath]);
 
       expect(exitCode, 3);
       var stdout = outSink.toString();
       expect(stdout, contains('[error] Invalid override'));
       expect(stdout, contains('[error] Type check failed'));
       expect(stdout, contains('2 errors found.'));
       expect(errorSink.toString(), '');
     });
   });
 }