[Android] Move some pylib modules into devil/

build/android/devil/utils/parallelizer.py

 # Copyright 2014 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.
 
 """ Wrapper that allows method execution in parallel.
 
 This class wraps a list of objects of the same type, emulates their
 interface, and executes any functions called on the objects in parallel
 in ReraiserThreads.
 
@@ skipping 36 matching lines @@
 
   DoesSomethingWithFoo(Parallelizer(list_of_foos))
 
 Note that this class spins up a thread for each object. Using this class
 to parallelize operations that are already fast will incur a net performance
 penalty.
 
 """
 # pylint: disable=protected-access
 
-from pylib.utils import reraiser_thread
-from pylib.utils import watchdog_timer
+from devil.utils import reraiser_thread
+from devil.utils import watchdog_timer
 
 _DEFAULT_TIMEOUT = 30
 _DEFAULT_RETRIES = 3
 
 
 class Parallelizer(object):
   """Allows parallel execution of method calls across a group of objects."""
 
   def __init__(self, objs):
     assert (objs is not None and len(objs) > 0), (
@@ skipping 164 matching lines @@
       args: The positional args to pass to f.
       kwargs: The keyword args to pass to f.
     Returns:
       A Parallelizer wrapping the ReraiserThreadGroup running the map in
       parallel.
     """
     r = super(SyncParallelizer, self).pMap(f, *args, **kwargs)
     r.pFinish(None)
     return r