Also archive android dartium to the latest bucket

tools/bots/dartium_android.py

 #!/usr/bin/python
 # Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
 """
 Dartium on Android buildbot steps.
 
 Runs steps after the buildbot builds Dartium on Android,
 which should upload the APK to an attached device, and run
@@ skipping 21 matching lines @@
                     help="The directory containing the products of the build.")
   return parser
 
 
 def UploadSetACL(gsutil, local, remote):
   gsutil.upload(local, remote, public=True)
 
 
 def UploadAPKs(options):
   with bot.BuildStep('Upload apk'):
-    revision = utils.GetSVNRevision()
     bot_name = os.environ.get("BUILDBOT_BUILDERNAME")
     channel = bot_utils.GetChannelFromName(bot_name)
     namer = bot_utils.GCSNamer(channel=channel)
     gsutil = bot_utils.GSUtil()
 
     web_link_prefix = 'https://storage.cloud.google.com/'
 
     # Archive content shell
     local = os.path.join(options.build_products_dir, CS_LOCATION)
-    # TODO(whesse): pass in arch and mode from reciepe
-    remote = namer.dartium_android_apk_filepath(revision,
-                                                'content_shell-android',
-                                                'arm',
-                                                'release')
-    content_shell_link = string.replace(remote, 'gs://', web_link_prefix)
-    UploadSetACL(gsutil, local, remote)
-    print "Uploaded content shell, available from: %s" % content_shell_link
+
+    for revision in [utils.GetSVNRevision(), 'latest']:
+      # TODO(whesse): pass in arch and mode from reciepe
+      remote = namer.dartium_android_apk_filepath(revision,
+                                                  'content_shell-android',
+                                                  'arm',
+                                                  'release')
+      content_shell_link = string.replace(remote, 'gs://', web_link_prefix)
+      UploadSetACL(gsutil, local, remote)
+      print "Uploaded content shell, available from: %s" % content_shell_link
 
 
 def RunContentShellTests(options):
   with bot.BuildStep('ContentShell tests'):
     subprocess.check_call([os.path.join(SCRIPT_DIR, 'run_android_tests.sh'),
         os.path.join(options.build_products_dir, CS_LOCATION)])
 
 
 def main():
   if sys.platform != 'linux2':
     print "This script was only tested on linux. Please run it on linux!"
     sys.exit(1)
 
   parser = GetOptionsParser()
   (options, args) = parser.parse_args()
 
   if not options.build_products_dir:
     print "No build products directory given."
     sys.exit(1)
 
   UploadAPKs(options)
   RunContentShellTests(options)
   sys.exit(0)
 
 if __name__ == '__main__':
   main()