[tools] Whitespace CL

TBR=sergiyb@chromium.org

No-Try: true
Bug: chromium:826280
Change-Id: I8225cd481835470235496d38023794068980dc3d
Reviewed-on: https://chromium-review.googlesource.com/1171240Reviewed-by: Sergiy Byelozyorov <sergiyb@chromium.org>
Commit-Queue: Sergiy Byelozyorov <sergiyb@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55071}

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.....