Whitespace change inside recipes to kick recipe autoroller.

TBR=iannucci@chromium.org

Bug: 749709
Change-Id: I8aa02f780c5f2a3c2f8c0c408f83b061ba11c672
Reviewed-on: https://chromium-review.googlesource.com/788244Reviewed-by: Andrii Shyshkalov <tandrii@chromium.org>
Commit-Queue: Andrii Shyshkalov <tandrii@chromium.org>

recipes/recipe_modules/bot_update/api.py

@@ -2,7 +2,6 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
-
 """Recipe module to ensure a checkout is consistent on a bot."""
 
 from recipe_engine import recipe_api