Only check if setup wizard is disabled if doing provision check.

build/android/pylib/android_commands.py

 # 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.
 
 """Provides an interface to communicate with the device via the adb command.
 
 Assumes adb binary is currently on system path.
 """
 
 import collections
@@ skipping 1065 matching lines @@
 
   def GetBatteryInfo(self):
     """Returns the device battery info (e.g. status, level, etc) as string."""
     battery = self.RunShellCommand('dumpsys battery')
     assert battery
     return '\n'.join(battery)
 
   def GetSetupWizardStatus(self):
     """Returns the status of the device setup wizard (e.g. DISABLED)."""
     status = self.RunShellCommand('getprop ro.setupwizard.mode')[0]
-    assert status
+    # On some devices, the status is empty if not otherwise set. In such cases
+    # the caller should expect an empty string to be returned.
     return status
 
   def StartMonitoringLogcat(self, clear=True, logfile=None, filters=None):
     """Starts monitoring the output of logcat, for use with WaitForLogMatch.
 
     Args:
       clear: If True the existing logcat output will be cleared, to avoiding
              matching historical output lurking in the log.
       filters: A list of logcat filters to be used.
     """
@@ skipping 422 matching lines @@
   """
   def __init__(self, output):
     self._output = output
 
   def write(self, data):
     data = data.replace('\r\r\n', '\n')
     self._output.write(data)
 
   def flush(self):
     self._output.flush()