Create a "whitespace" file used for making non-code related changes for triggering builds.

BUG=none
TEST=none

Review URL: http://codereview.chromium.org/2847028

git-svn-id: http://src.chromium.org/svn/trunk/src/build@50846 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

whitespace_file.txt

@@ -0,0 +1,5 @@
+This file is used for making non-code changes to trigger buildbot cycles. Make
+any modification below this line.
+================================================================================
+
+There once was a Man from Nantucket who