Add Application version and OS info in android about version page.

chrome/chrome_browser_ui.gypi

 # 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.
 
 {
   'targets': [
     {
       'target_name': 'browser_ui',
       'type': 'static_library',
@@ skipping 2288 matching lines @@
           'sources/': [
             ['exclude', '^browser/ui/webui/print_preview/'],
           ],
         }],
         ['OS=="android"', {
           'dependencies': [
             'browser/component/components.gyp:web_contents_delegate_android',
             'chrome_browser_jni_headers',
           ],
           'sources': [
+            'browser/ui/android/android_about_app_info.cc', 
+            'browser/ui/android/android_about_app_info.h', 
             'browser/ui/find_bar/find_match_rects_details.cc',
             'browser/ui/find_bar/find_match_rects_details.h',
             'browser/ui/webui/ntp/android/bookmarks_handler.cc',
             'browser/ui/webui/ntp/android/bookmarks_handler.h',
             'browser/ui/webui/ntp/android/context_menu_handler.cc',
             'browser/ui/webui/ntp/android/context_menu_handler.h',
             'browser/ui/webui/ntp/android/partner_bookmarks_shim.cc',
             'browser/ui/webui/ntp/android/partner_bookmarks_shim.h',
             'browser/ui/webui/ntp/android/promo_handler.cc',
             'browser/ui/webui/ntp/android/promo_handler.h',
@@ skipping 291 matching lines @@
             ['exclude', '^browser/ui/views/select_file_dialog_extension.cc'],
             ['exclude', '^browser/ui/views/select_file_dialog_extension.h'],
             ['exclude', '^browser/ui/views/select_file_dialog_extension_factory.cc'],
             ['exclude', '^browser/ui/views/select_file_dialog_extension_factory.h'],
           ]}
         ],
       ],
     },
   ],
 }