[Android] Specify dependency files for instrumentation tests.

build/android/pylib/base/base_test_runner.py

 # Copyright (c) 2012 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 contextlib
 import httplib
 import logging
 import os
 import tempfile
 import time
@@ skipping 59 matching lines @@
 
     Args:
       test: A test to run.
 
     Returns:
       Tuple containing:
         (base_test_result.TestRunResults, tests to rerun or None)
     """
     raise NotImplementedError
 
+  def PushDependencies(self):
+    """Push all dependencies to device once before all tests are run."""
+    pass
+
   def SetUp(self):
     """Run once before all tests are run."""
     Forwarder.KillDevice(self.adb, self.tool)
+    self.PushDependencies()
 
   def TearDown(self):
     """Run once after all tests are run."""
     self.ShutdownHelperToolsForTestSuite()
 
   def CopyTestData(self, test_data_paths, dest_dir):
     """Copies |test_data_paths| list of files/directories to |dest_dir|.
 
     Args:
       test_data_paths: A list of files or directories relative to |dest_dir|
@@ skipping 108 matching lines @@
       # Wait for 2 seconds then restart.
       time.sleep(2)
     if not server_ready:
       logging.error(';'.join(error_msgs))
       raise Exception('Can not start the test spawner server.')
     self._PushTestServerPortInfoToDevice()
     self._spawner_forwarder = self._CreateAndRunForwarder(
         self.adb,
         [(self.test_server_spawner_port, self.test_server_spawner_port)],
         self.tool, '127.0.0.1', self.build_type)