[tools] Whitespace CL

TBR=sergiyb@chromium.org

Bug: chromium:929126
Change-Id: I7f3bda2172ecf78db942b3de86920d8ddd69769b
Reviewed-on: https://chromium-review.googlesource.com/c/1491216
Commit-Queue: Sergiy Belozorov <sergiyb@chromium.org>
Reviewed-by: Sergiy Belozorov <sergiyb@chromium.org>
Cr-Commit-Position: refs/heads/master@{#59888}

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