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

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

BUG=837308
TBR=blundell@chromium.org

Change-Id: I4800f3c36f0588964f07768e223152d410acd3ee
Reviewed-on: https://chromium-review.googlesource.com/c/1390112
Reviewed-by: Avi Drissman <avi@chromium.org>
Commit-Queue: Avi Drissman <avi@chromium.org>
Cr-Commit-Position: refs/heads/master@{#618869}
17 files changed