[CustomTabsBenchmark] Fix description of format output

tools/android/customtabs_benchmark/scripts/customtabs_benchmark.py

 #!/usr/bin/python
 #
 # Copyright 2015 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.
 
 """Loops Custom Tabs tests and outputs the results into a CSV file."""
 
 import logging
 import optparse
@@ skipping 34 matching lines @@
   Args:
     device: (DeviceUtils) device to run the tests on.
     warmup: (bool) Whether to call warmup.
     no_prerendering: (bool) Whether to disable prerendering.
     delay_to_may_launch_url: (int) Delay to mayLaunchUrl() in ms.
     delay_to_launch_url: (int) Delay to launchUrl() in ms.
     cold: (bool) Whether the page cache should be dropped.
 
   Returns:
     The output line (str), like this (one line only):
-    <warmup>,<no_prerendering>,<delay_to_may_launch_url>,<intent_sent_ms>,
-      <page_load_started_ms>,<page_load_finished_ms>
+    <warmup>,<no_prerendering>,<delay_to_may_launch_url>,<delay_to_launch>,
+      <intent_sent_ms>,<page_load_started_ms>,<page_load_finished_ms>
     or None on error.
   """
   launch_intent = intent.Intent(
       action='android.intent.action.MAIN',
       package='org.chromium.customtabsclient.test',
       activity='org.chromium.customtabs.test.MainActivity',
       extras={'url': url, 'warmup': warmup, 'no_prerendering': no_prerendering,
               'delay_to_may_launch_url': delay_to_may_launch_url,
               'delay_to_launch_url': delay_to_launch_url})
   result_line_re = re.compile(r'CUSTOMTABSBENCH.*: (.*)')
@@ skipping 113 matching lines @@
       logging.error('Device not found.')
       sys.exit(0)
     device = matching_devices[0]
   LoopOnDevice(device, options.url, options.warmup, options.no_prerendering,
                options.delay_to_may_launch_url, options.delay_to_launch_url,
                options.cold, options.output_file, options.once)
 
 
 if __name__ == '__main__':
   main()