Whitespace change to trigger perf builders

NOTRY=true
NOTREECHECKS=true
NOPRESUBMIT=true

Bug: v8:9898
Change-Id: I571830a54659c674cc37eb5137c3c2a3216d2666
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1883895
Commit-Queue: Liviu Rau <liviurau@chromium.org>
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64604}

tools/whitespace.txt

@@ -10,3 +10,5 @@ The autoroller bought a round of Himbeerbrause. Suddenly.....
 The bartender starts to shake the bottles....................
 I can't add trailing whitespaces, so I'm adding this line.
 I'm starting to think that just adding trailing whitespaces might not be bad.
+
+Because whitespaces are not that funny.