[Android] Increase timeout for lsusb

build/android/devil/utils/lsusb.py

 # 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.
 
 import logging
 import re
 
 from devil.utils import cmd_helper
 
 _COULDNT_OPEN_ERROR_RE = re.compile(r'Couldn\'t open device.*')
 _INDENTATION_RE = re.compile(r'^( *)')
 _LSUSB_BUS_DEVICE_RE = re.compile(r'^Bus (\d{3}) Device (\d{3}):')
 _LSUSB_ENTRY_RE = re.compile(r'^ *([^ ]+) +([^ ]+) *([^ ].*)?$')
 _LSUSB_GROUP_RE = re.compile(r'^ *([^ ]+.*):$')
 
 
 def _lsusbv_on_device(bus_id, dev_id):
   """Calls lsusb -v on device."""
   _, raw_output = cmd_helper.GetCmdStatusAndOutputWithTimeout(
-      ['lsusb', '-v', '-s', '%s:%s' % (bus_id, dev_id)], timeout=2)
+      ['lsusb', '-v', '-s', '%s:%s' % (bus_id, dev_id)], timeout=10)
 
   device = {'bus': bus_id, 'device': dev_id}
   depth_stack = [device]
 
   # TODO(jbudorick): Add documentation for parsing.
   for line in raw_output.splitlines():
     # Ignore blank lines.
     if not line:
       continue
     # Filter out error mesage about opening device.
@@ skipping 42 matching lines @@
       depth_stack.append(new_entry)
       continue
 
     logging.error('lsusb parsing error: unrecognized line: "%s"', line)
 
   return device
 
 def lsusb():
   """Call lsusb and return the parsed output."""
   _, lsusb_list_output = cmd_helper.GetCmdStatusAndOutputWithTimeout(
-      ['lsusb'], timeout=2)
+      ['lsusb'], timeout=10)
   devices = []
   for line in lsusb_list_output.splitlines():
     m = _LSUSB_BUS_DEVICE_RE.match(line)
     if m:
       bus_num = m.group(1)
       dev_num = m.group(2)
       devices.append(_lsusbv_on_device(bus_num, dev_num))
   return devices
 
 def get_lsusb_serial(device):
   try:
     return device['Device Descriptor']['iSerial']['_desc']
   except KeyError:
     return None
 
 def get_android_devices():
   return [serial for serial in (get_lsusb_serial(d) for d in lsusb())
           if serial]