Whitespace change to trigger perf builders

NOTRY=true
NOTREECHECKS=true
NOPRESUBMIT=true

Bug: v8:9925
Change-Id: Iad460c70937545dd5b982f63593e186de95d7df1
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1899624Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Liviu Rau <liviurau@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64791}

tools/whitespace.txt

@@ -8,7 +8,7 @@ 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....................
-I can't add trailing whitespaces, so I'm adding this line.
+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.