Third whitespace change to test builder.

TBR=nodir@chromium.org, tandrii@chromium.org

Bug: 790434
Change-Id: I6185d79594f63a4652d458d33f9fed325b8d3b85
Reviewed-on: https://chromium-review.googlesource.com/1103302
Commit-Queue: Robbie Iannucci <iannucci@chromium.org>
Reviewed-by: Robbie Iannucci <iannucci@chromium.org>

README.md

@@ -2,6 +2,7 @@
 
 Tools for working with Chromium development. It requires python 2.7.
 
+
 ## Tools
 
 The most important tools are: