[android] Split top-level scripts and libraries from build/android.

build/android/emulator.py

Index: build/android/emulator.py
diff --git a/build/android/emulator.py b/build/android/emulator.py
index 224d31ba6f41273d8673cbb88db0748d4f79aa57..e08b7604b9264e974e4487b58fa948ffd43d39e6 100755
--- a/build/android/emulator.py
+++ b/build/android/emulator.py
@@ -1,4 +1,5 @@
 #!/usr/bin/env python
+#
 # 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.
@@ -18,13 +19,13 @@ import subprocess
 import sys
 import time
 
-import android_commands
+from pylib import android_commands
+from pylib import cmd_helper
 
 # adb_interface.py is under ../../third_party/android_testrunner/
 sys.path.append(os.path.join(os.path.abspath(os.path.dirname(__file__)), '..',
    '..', 'third_party', 'android_testrunner'))
 import adb_interface
-import cmd_helper
 import errors
 import run_command