[Android][telemetry] Update pylib imports for modules that moved into devil.

build/android/pylib/screenshot.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.
 
 import logging
 import os
 import tempfile
 import time
 
-from pylib import cmd_helper
-from pylib import device_signal
-from pylib.device import device_errors
-
-import pylib.device.device_utils
+from devil.android import device_errors
+from devil.android import device_signal
+from devil.utils import cmd_helper
 
 
 class VideoRecorder(object):
   """Records a screen capture video from an Android Device (KitKat or newer).
 
   Args:
     device: DeviceUtils instance.
     host_file: Path to the video file to store on the host.
     megabits_per_second: Video bitrate in megabits per second. Allowed range
                          from 0.1 to 100 mbps.
@@ skipping 60 matching lines @@
     # TODO(jbudorick): Merge filename generation with the logic for doing so in
     # DeviceUtils.
     host_file_name = (
         host_file
         or 'screen-recording-%s.mp4' % time.strftime('%Y%m%dT%H%M%S',
                                                      time.localtime()))
     host_file_name = os.path.abspath(host_file_name)
     self._device.PullFile(self._device_file, host_file_name)
     self._device.RunShellCommand('rm -f "%s"' % self._device_file)
     return host_file_name