[telemetry] Update examples so they work.

tools/telemetry/examples/list_available_browsers

Index: tools/telemetry/examples/list_available_browsers
diff --git a/tools/telemetry/examples/list_available_browsers b/tools/telemetry/examples/list_available_browsers
index 58056fafdb3b2f24e0ff529964d1df3c27e1d87e..b745dbff8535b56c21eead42fd5d1238186c6678 100755
--- a/tools/telemetry/examples/list_available_browsers
+++ b/tools/telemetry/examples/list_available_browsers
@@ -2,20 +2,22 @@
 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
+
 import os
 import sys
 
-
-sys.path.append(os.path.join(os.path.dirname(__file__), '..'))
+sys.path.append(os.path.join(os.path.dirname(__file__), os.pardir))
 
 from telemetry.core import browser_options
 
+
 def Main(args):
-  options = browser_options.BrowserOptions()
-  options.browser_type = 'list';
+  options = browser_options.BrowserFinderOptions()
+  options.browser_type = 'list'
   parser = options.CreateParser('list_available_browsers')
   parser.parse_args()
   return 0
 
+
 if __name__ == '__main__':
   sys.exit(Main(sys.argv[1:]))