Assign tools/cfi ownership to vitalybuka.

Change-Id: I85223003a7650acaf6c6b7c2781db7691f652bd4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6806900
Auto-Submit: Peter Collingbourne <pcc@chromium.org>
Reviewed-by: Vitaly Buka <vitalybuka@chromium.org>
Commit-Queue: Peter Collingbourne <pcc@chromium.org>
Commit-Queue: Vitaly Buka <vitalybuka@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1495141}
NOKEYCHECK=True
GitOrigin-RevId: bc95b86691424a2042e0972e9e393a87e976e715