Fix annotated steps, now really only do api docs on linux (but still do zips on mac and windows

tools/bots/dart_sdk.py

 #!/usr/bin/env python
 #
 # Copyright (c) 2015, 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.
 
 import os.path
 import shutil
 import sys
 
@@ skipping 44 matching lines @@
   namer = bot_utils.GCSNamer(CHANNEL, bot_utils.ReleaseType.RAW)
   revision = utils.GetSVNRevision()
   for revision in [revision, 'latest']:
     path32 = namer.sdk_zipfilepath(revision, system, 'ia32', 'release')
     path64 = namer.sdk_zipfilepath(revision, system, 'x64', 'release')
     DartArchiveFile(sdk32_zip, path32, checksum_files=True)
     DartArchiveFile(sdk64_zip, path64, checksum_files=True)
 
 def CreateUploadSDK():
   BuildSDK()
-  if BUILD_OS == 'linux':
-    CreateUploadSDKZips()
+  CreateUploadSDKZips()
 
 def CreateUploadAPIDocs():
   api_path = os.path.join(bot_utils.DART_DIR,
                           utils.GetBuildRoot(BUILD_OS, 'release', 'ia32'),
                           'api_docs')
   api_zip = os.path.join(bot_utils.DART_DIR,
                          utils.GetBuildRoot(BUILD_OS, 'release', 'ia32'),
                          'dart-api-docs.zip')
   shutil.rmtree(api_path, ignore_errors=True)
   FileDelete(api_zip)
@@ skipping 90 matching lines @@
     local_sha256 = bot_utils.CreateSha256ChecksumFile(local_path,
                                                       mangled_filename)
     gsutil.upload(local_sha256, remote_path + '.sha256sum', public=True)
 
 def Run(command):
   print "Running %s" % ' '.join(command)
   return bot.RunProcess(command)
 
 if __name__ == '__main__':
   CreateUploadSDK()
-  CreateUploadAPIDocs()
+  if BUILD_OS == 'linux':
+    CreateUploadAPIDocs()