Add infra_libs as a bootstrap dependency.

infra/libs/service_utils/test/outer_loop_test.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.
 
 import time
 
 from testing_support import auto_stub
 
 from infra.libs.service_utils import outer_loop
 
 from infra_libs.ts_mon.common import interface
-from infra_libs.ts_mon.common.test import stubs
 
 
 class TestOuterLoop(auto_stub.TestCase):
 
   class MyTime():
     def __init__(self):
       self.sleeps = []
       self.now = 0
     def sleep(self, t):
       self.sleeps.append(t)
@@ skipping 62 matching lines @@
       if t == 'err':
         raise Exception('Horrible error')
       if t == 'false':
         return False
       return True
     ret = outer_loop.loop(task, sleep_timeout=lambda: 1, max_errors=3,
                           time_mod=self.time_mod)
     self.assertEqual(outer_loop.LoopResults(False, 5), ret)
     self.assertEqual(['skipped'], tasks)
     self.assertEqual([1, 1, 1, 1, 1, 1], self.time_mod.sleeps)