Create separate archive of Mac packaging tools.

chrome/tools/build/mac/FILES.cfg

 # -*- python -*-
 # ex: set syntax=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.
 
 # This is a buildbot configuration file containing a tagged list of files
 # processed by the stage/archive scripts. The known tags are:
 #
@@ skipping 20 matching lines @@
     'buildtype': ['dev'],
   },
   {
     'filename': 'Google Chrome.app',
     'buildtype': ['official'],
   },
   {
     'filename': 'Google Chrome Packaging',
     'buildtype': ['official'],
   },
+  {
+    'filename': 'Google Chrome Packaging',
+    'buildtype': ['official'],
+    'archive': 'packaging.zip',
+  },
   # PNaCl translator (archive only, component updater used for shipping).
   {
     'filename': 'pnacl',
     'buildtype': ['dev', 'official'],
     'archive': 'pnacl.zip',
   },
   # Browser tests:
   {
     'filename': 'browser_tests',
     'buildtype': ['dev', 'official'],
@@ skipping 59 matching lines @@
     'archive': 'content-shell.zip',
     'optional': ['dev'],
   },
   {
     'filename': 'resources',
     'buildtype': ['dev'],
     'archive': 'content-shell.zip',
     'optional': ['dev'],
   },
 ]