[NaCl SDK] Change build script to test sdk_updater, also push manifest snippets per bot.

native_client_sdk/src/build_tools/buildbot_common.py

 #!/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.
 
 """Common utilities for all buildbot scripts that specifically don't rely
 on having a full chromium checkout.
 """
 
 import os
@@ skipping 79 matching lines @@
 LOCAL_GSUTIL = 'gsutil'
 
 
 def GetGsutil():
   if os.environ.get('BUILDBOT_BUILDERNAME'):
     return BOT_GSUTIL
   else:
     return LOCAL_GSUTIL
 
 
-def Archive(filename, bucket_path, cwd=None):
+def Archive(filename, bucket_path, cwd=None, step_link=True):
   """Upload the given filename to Google Store."""
   full_dst = 'gs://%s/%s' % (bucket_path, filename)
 
   subprocess.check_call(
       '%s cp -a public-read %s %s' % (GetGsutil(), filename, full_dst),
       shell=True,
       cwd=cwd)
   url = 'https://commondatastorage.googleapis.com/'\
         '%s/%s' % (bucket_path, filename)
-  print '@@@STEP_LINK@download@%s@@@' % url
-  sys.stdout.flush()
+  if step_link:
+    print '@@@STEP_LINK@download@%s@@@' % url
+    sys.stdout.flush()