Revert of [Android] Add a configurable environment for devil/. (RELAND 2)

build/android/devil/android/sdk/dexdump.py

Index: build/android/devil/android/sdk/dexdump.py
diff --git a/build/android/devil/android/sdk/dexdump.py b/build/android/devil/android/sdk/dexdump.py
index 992366e84ae4cc8f986a99fc711621823d7348dc..48d810f67c747e6eb0fd18a5c9136e5ca52dc722 100644
--- a/build/android/devil/android/sdk/dexdump.py
+++ b/build/android/devil/android/sdk/dexdump.py
@@ -2,13 +2,12 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
-from devil.android.sdk import build_tools
+import os
+
 from devil.utils import cmd_helper
-from devil.utils import lazy
+from pylib import constants
 
-
-_dexdump_path = lazy.WeakConstant(lambda: build_tools.GetPath('dexdump'))
-
+_DEXDUMP_PATH = os.path.join(constants.ANDROID_SDK_TOOLS, 'dexdump')
 
 def DexDump(dexfiles, file_summary=False):
   """A wrapper around the Android SDK's dexdump tool.
@@ -23,7 +22,7 @@
   # TODO(jbudorick): Add support for more options as necessary.
   if isinstance(dexfiles, basestring):
     dexfiles = [dexfiles]
-  args = [_dexdump_path.read()] + dexfiles
+  args = [_DEXDUMP_PATH] + dexfiles
   if file_summary:
     args.append('-f')