[Android] Move some pylib modules into devil/

build/android/pylib/utils/watchdog_timer.py

Index: build/android/pylib/utils/watchdog_timer.py
diff --git a/build/android/pylib/utils/watchdog_timer.py b/build/android/pylib/utils/watchdog_timer.py
index 2f4c46455be7c9751e9a570a8f41cac0e3430cf7..967794c4fdf399dfc7f7b2a2329684242452772a 100644
--- a/build/android/pylib/utils/watchdog_timer.py
+++ b/build/android/pylib/utils/watchdog_timer.py
@@ -1,47 +1,8 @@
-# Copyright 2013 The Chromium Authors. All rights reserved.
+# 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.
 
-"""WatchdogTimer timeout objects."""
+# pylint: disable=unused-wildcard-import
+# pylint: disable=wildcard-import
 
-import time
-
-
-class WatchdogTimer(object):
-  """A resetable timeout-based watchdog.
-
-  This object is threadsafe.
-  """
-
-  def __init__(self, timeout):
-    """Initializes the watchdog.
-
-    Args:
-      timeout: The timeout in seconds. If timeout is None it will never timeout.
-    """
-    self._start_time = time.time()
-    self._timeout = timeout
-
-  def Reset(self):
-    """Resets the timeout countdown."""
-    self._start_time = time.time()
-
-  def GetElapsed(self):
-    """Returns the elapsed time of the watchdog."""
-    return time.time() - self._start_time
-
-  def GetRemaining(self):
-    """Returns the remaining time of the watchdog."""
-    if self._timeout:
-      return self._timeout - self.GetElapsed()
-    else:
-      return None
-
-  def IsTimedOut(self):
-    """Whether the watchdog has timed out.
-
-    Returns:
-      True if the watchdog has timed out, False otherwise.
-    """
-    remaining = self.GetRemaining()
-    return remaining is not None and remaining < 0
+from devil.utils.watchdog_timer import *