[Android] Move some pylib modules into devil/

build/android/devil/utils/cmd_helper_test.py

 # Copyright 2013 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.
 
 """Tests for the cmd_helper module."""
 
 import unittest
 import subprocess
 
-from pylib import cmd_helper
+from devil.utils import cmd_helper
 
 
 class CmdHelperSingleQuoteTest(unittest.TestCase):
 
   def testSingleQuote_basic(self):
     self.assertEquals('hello',
                       cmd_helper.SingleQuote('hello'))
 
   def testSingleQuote_withSpaces(self):
     self.assertEquals("'hello world'",
@@ skipping 53 matching lines @@
       self.assertEquals(num, int(line))
 
   def testIterCmdOutputLines_exitStatusSkipped(self):
     for num, line in enumerate(
         cmd_helper.IterCmdOutputLines('seq 10 && false', shell=True), 1):
       self.assertEquals(num, int(line))
       # no exception will be raised because we don't attempt to read past
       # the end of the output and, thus, the status never gets checked
       if num == 10:
         break