Use span-based file API in touch_replay.cc

No (intended) functionality changes.

Bug: 435317390
Change-Id: Ia906e0852bc0f0b61ca3a811a7b877298941ef29
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/7511731
Auto-Submit: Jan Keitel <jkeitel@google.com>
Reviewed-by: Egor Pasko <pasko@chromium.org>
Commit-Queue: Egor Pasko <pasko@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1577200}
NOKEYCHECK=True
GitOrigin-RevId: 00b338d055e09c2a4de9cda1c9ed250bb98a0f2a