whitespace: now test CQ.

NOTREECHECKS=True

No-Presubmit: True
No-Try: True
Bug: 872722
Change-Id: I78a357132559302f59848a712363d02cb2f0e91a
Reviewed-on: https://chromium-review.googlesource.com/1169949
Commit-Queue: Andrii Shyshkalov <tandrii@chromium.org>
Reviewed-by: Andrii Shyshkalov <tandrii@chromium.org>
Reviewed-by: Peter Kasting <pkasting@chromium.org>
Cr-Commit-Position: refs/heads/master@{#581889}

build/whitespace_file.txt

@@ -175,4 +175,4 @@ This is groovy.
 
 SECRET ENDING: IT WAS _____ ALL ALONG!
 testing trailing line.
-Hacky hacky mitigation.
+Hacky hacky mitigation now works in CQ.
\ No newline at end of file