GitLab

Looks like the space between the two right angle brackets is gone with recent
Clang. The test expectation is already a regex, so insert a '?' to make the
space optional.

TBR=tzik

Bug: 1064986
Change-Id: I3075116ff2b344a5e13658cd2fd6b92522d58aeb
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2124453Reviewed-by: Hans Wennborg <hans@chromium.org>
Commit-Queue: Hans Wennborg <hans@chromium.org>
Cr-Commit-Position: refs/heads/master@{#754005}