[Android] Prepare build/android/ for catapult+devil.

build/android/pylib/utils/isolator.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 fnmatch
 import glob
 import os
 import shutil
 import sys
 import tempfile
 
 from devil.utils import cmd_helper
 from pylib import constants
+from pylib.constants import host_paths
 
 
 _ISOLATE_SCRIPT = os.path.join(
-    constants.DIR_SOURCE_ROOT, 'tools', 'swarming_client', 'isolate.py')
+    host_paths.DIR_SOURCE_ROOT, 'tools', 'swarming_client', 'isolate.py')
 
 
 def DefaultPathVariables():
   return {
-    'DEPTH': constants.DIR_SOURCE_ROOT,
+    'DEPTH': host_paths.DIR_SOURCE_ROOT,
     'PRODUCT_DIR': constants.GetOutDirectory(),
   }
 
 
 def DefaultConfigVariables():
   # Note: This list must match the --config-vars in build/isolate.gypi
   return {
     'CONFIGURATION_NAME': constants.GetBuildType(),
     'OS': 'android',
     'asan': '0',
@@ skipping 119 matching lines @@
     Moves pak files from the output directory to to <isolate_deps_dir>/paks
     Moves files from the product directory to <isolate_deps_dir>
     """
     # On Android, all pak files need to be in the top-level 'paks' directory.
     paks_dir = os.path.join(self._isolate_deps_dir, 'paks')
     os.mkdir(paks_dir)
 
     deps_out_dir = os.path.join(
         self._isolate_deps_dir,
         os.path.relpath(os.path.join(constants.GetOutDirectory(), os.pardir),
-                        constants.DIR_SOURCE_ROOT))
+                        host_paths.DIR_SOURCE_ROOT))
     for root, _, filenames in os.walk(deps_out_dir):
       for filename in fnmatch.filter(filenames, '*.pak'):
         shutil.move(os.path.join(root, filename), paks_dir)
 
     # Move everything in PRODUCT_DIR to top level.
     deps_product_dir = os.path.join(
         deps_out_dir, os.path.basename(constants.GetOutDirectory()))
     if os.path.isdir(deps_product_dir):
       for p in os.listdir(deps_product_dir):
         shutil.move(os.path.join(deps_product_dir, p), self._isolate_deps_dir)
       os.rmdir(deps_product_dir)
       os.rmdir(deps_out_dir)