[Android] Revert 175082

build/android/pylib/utils/apk_info.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.
-
-"""Gathers information about APKs."""
-
-import logging
-import os
-import re
-
-# TODO(frankf): Move cmd_helper to utils.
-from pylib import cmd_helper
-
-
-def GetPackageNameForApk(apk_path):
-  """Returns the package name of this APK."""
-  aapt_output = cmd_helper.GetCmdOutput(
-      ['aapt', 'dump', 'badging', apk_path]).split('\n')
-  package_name_re = re.compile(r'package: .*name=\'(\S*)\'')
-  for line in aapt_output:
-    m = package_name_re.match(line)
-    if m:
-      return m.group(1)
-  raise Exception('Failed to determine package name of %s' % apk_path)
-
-
-class ApkInfo(object):
-  """Helper class for inspecting APKs."""
-
-  def __init__(self, apk_path):
-    if not os.path.exists(apk_path):
-      raise Exception('%s not found, please build it' % apk_path)
-    self._apk_path = apk_path
-
-  def GetApkPath(self):
-    return self._apk_path
-
-  def GetPackageName(self):
-    """Returns the package name of this APK."""
-    return GetPackageNameForApk(self._apk_path)
-