[Android] Add a configurable environment for devil/.

build/android/devil/android/md5sum.py

Index: build/android/devil/android/md5sum.py
diff --git a/build/android/devil/android/md5sum.py b/build/android/devil/android/md5sum.py
index 6a788dad0b270e3a3f309972bbec9b6e8fe22771..c5607e7db995227dd0e5ce0d48dd3efa34465631 100644
--- a/build/android/devil/android/md5sum.py
+++ b/build/android/devil/android/md5sum.py
@@ -6,9 +6,9 @@ import os
 import posixpath
 import re
 
+from devil import env
 from devil.android import device_errors
 from devil.utils import cmd_helper
-from pylib import constants
 
 MD5SUM_DEVICE_LIB_PATH = '/data/local/tmp/md5sum/'
 MD5SUM_DEVICE_BIN_PATH = MD5SUM_DEVICE_LIB_PATH + 'md5sum_bin'
@@ -31,7 +31,7 @@ def CalculateHostMd5Sums(paths):
     paths = [paths]
 
   md5sum_bin_host_path = os.path.join(
-      constants.GetOutDirectory(), 'md5sum_bin_host')
+      env.binaries.binary_dir, 'md5sum_bin_host')
   if not os.path.exists(md5sum_bin_host_path):
     raise IOError('File not built: %s' % md5sum_bin_host_path)
   out = cmd_helper.GetCmdOutput([md5sum_bin_host_path] + [p for p in paths])
@@ -58,7 +58,7 @@ def CalculateDeviceMd5Sums(paths, device):
   # Allow generators
   paths = list(paths)
 
-  md5sum_dist_path = os.path.join(constants.GetOutDirectory(), 'md5sum_dist')
+  md5sum_dist_path = os.path.join(env.binaries.binary_dir, 'md5sum_dist')
   md5sum_dist_bin_path = os.path.join(md5sum_dist_path, 'md5sum_bin')
 
   if not os.path.exists(md5sum_dist_path):