[tools] Whitespace CL

TBR=sergiyb@chromium.org

Bug: chromium:827890
Change-Id: I25d647f3511c2101c30cca88b91c372ee4fee05b
Reviewed-on: https://chromium-review.googlesource.com/1009662Reviewed-by: Sergiy Byelozyorov <sergiyb@chromium.org>
Commit-Queue: Sergiy Byelozyorov <sergiyb@chromium.org>
Cr-Commit-Position: refs/heads/master@{#52567}

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........................