It is not recorded by the server, but causes a 500 status anyway.

Bug: 896868
Change-Id: Ic3bf0d989bf3c3641dae9ea49a58ffb28f52e865
Reviewed-on: https://chromium-review.googlesource.com/c/1289769Reviewed-by: Andrii Shyshkalov <tandrii@chromium.org>
Commit-Queue: Edward Lesmes <ehmaldonado@chromium.org>