Use base::size rather than arraysize in rlz/.

This is purely a mechanical change; there is no intended behavior change.

BUG=837308
TBR=rogerta@chromium.org

Change-Id: I9a1fe160e17c708c7fe14bdd1bf2a9fec2d51341
Reviewed-on: https://chromium-review.googlesource.com/c/1390114
Reviewed-by: Avi Drissman <avi@chromium.org>
Commit-Queue: Avi Drissman <avi@chromium.org>
Cr-Commit-Position: refs/heads/master@{#618840}
9 files changed