customtabs: Output all the available metrics after a timeout.

tools/android/customtabs_benchmark/scripts/customtabs_benchmark.py

Index: tools/android/customtabs_benchmark/scripts/customtabs_benchmark.py
diff --git a/tools/android/customtabs_benchmark/scripts/customtabs_benchmark.py b/tools/android/customtabs_benchmark/scripts/customtabs_benchmark.py
index eea46e2e6ad9f6d2bd8c4c31e2d73ed9d0532fa6..2cda5c09640b8c4009885eeeb60a5f85fff74628 100755
--- a/tools/android/customtabs_benchmark/scripts/customtabs_benchmark.py
+++ b/tools/android/customtabs_benchmark/scripts/customtabs_benchmark.py
@@ -90,6 +90,10 @@ def RunOnce(device, url, warmup, speculation_mode, delay_to_may_launch_url,
   if not device.HasRoot():
     device.EnableRoot()
 
+  timeout_s = 20
+  logcat_timeout = int(timeout_s + delay_to_may_launch_url / 1000.
+                       + delay_to_launch_url / 1000.) + 3;
+
   with device_setup.FlagReplacer(device, _COMMAND_LINE_PATH, chrome_args):
     launch_intent = intent.Intent(
         action='android.intent.action.MAIN',
@@ -98,7 +102,8 @@ def RunOnce(device, url, warmup, speculation_mode, delay_to_may_launch_url,
         extras={'url': str(url), 'warmup': warmup,
                 'speculation_mode': str(speculation_mode),
                 'delay_to_may_launch_url': delay_to_may_launch_url,
-                'delay_to_launch_url': delay_to_launch_url})
+                'delay_to_launch_url': delay_to_launch_url,
+                'timeout': timeout_s})
     result_line_re = re.compile(r'CUSTOMTABSBENCH.*: (.*)')
     logcat_monitor = device.GetLogcatMonitor(clear=True)
     logcat_monitor.Start()
@@ -114,7 +119,7 @@ def RunOnce(device, url, warmup, speculation_mode, delay_to_may_launch_url,
 
     match = None
     try:
-      match = logcat_monitor.WaitFor(result_line_re, timeout=20)
+      match = logcat_monitor.WaitFor(result_line_re, timeout=logcat_timeout)
     except device_errors.CommandTimeoutError as _:
       logging.warning('Timeout waiting for the result line')
     logcat_monitor.Stop()
@@ -210,10 +215,10 @@ def _CreateOptionParser():
                              'no_state_prefetch'])
   parser.add_option('--delay_to_may_launch_url',
                     help='Delay before calling mayLaunchUrl() in ms.',
-                    type='int')
+                    type='int', default=1000)
   parser.add_option('--delay_to_launch_url',
                     help='Delay before calling launchUrl() in ms.',
-                    type='int')
+                    type='int', default=-1)
   parser.add_option('--cold', help='Purge the page cache before each run.',
                     default=False, action='store_true')
   parser.add_option('--output_file', help='Output file (append). "-" for '