Whitespace change to test trigger migration

TBR=sergiyb@chromium.org

Bug: chromium:769910
Change-Id: I14011a1aeb0248757091d8d6f97028d5c5b4d5fa
Reviewed-on: https://chromium-review.googlesource.com/730304Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Reviewed-by: Sergiy Byelozyorov <sergiyb@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#48778}

tools/whitespace.txt

@@ -7,4 +7,4 @@ A Smi balks into a war and says:
 The doubles heard this and started to unbox.
 The Smi looked at them when a crazy v8-autoroll account showed up......
 The autoroller bought a round of Himbeerbrause. Suddenly.....
-The bartender starts to shake the bottles...........
+The bartender starts to shake the bottles............