Reland "Whitespace change to kick bots."

This reverts commit 984dc32776be391084183e075ec7932cec89d491.

Reason for revert: Trigger all the bots.

Original change's description:
> Revert "Whitespace change to kick bots."
> 
> This reverts commit c782263e5f19f7c30d0b2120a8ec2383111ac1c6.
> 
> 
> Original change's description:
> > Whitespace change to kick bots.
> > 
> > TBR: phoglund@webrtc.org
> > Bug: None
> > No-Try: True
> > No-Tree-Checks: true
> > Change-Id: I7c39b96c59ab074809137b10e31d722a1c43d098
> > Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/170106
> > Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
> > Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
> > Cr-Commit-Position: refs/heads/master@{#30736}
> 
> TBR=phoglund@webrtc.org,mbonadei@webrtc.org
> 
> Change-Id: I265e1ae044c0f44561f8910291bdabf9cc22c936
> No-Presubmit: true
> No-Tree-Checks: true
> No-Try: true
> Bug: None
> Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/170221
> Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
> Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
> Cr-Commit-Position: refs/heads/master@{#30750}

TBR=phoglund@webrtc.org,mbonadei@webrtc.org

Change-Id: Iff32bb0ced35906f6a70e414bb72f3dc49f53abb
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: None
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/170233
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#30762}

tools_webrtc/whitespace.txt

@@ -8,6 +8,7 @@ Holidays are coming, beware! Bought any gifts yet?
 
 Lemur was here :)
 Kjellander as well :-o
+mbonadei as well.
 
 Foo Bar Baz Bur