GitLab

Extend the expiry date by 6 mo.

The response length is still useful for knowing how people use it and
for guiding possible optimizations.

Bug: 1165239
Change-Id: Iab745c5f8b3e736dc1a176eae47aa078e5061965
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2625048Reviewed-by: Hongchan Choi <hongchan@chromium.org>
Reviewed-by: Ilya Sherman <isherman@chromium.org>
Commit-Queue: Raymond Toy <rtoy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#843063}