Migrate OG keyed service to feature keys.

Bug: 331306557

Change-Id: I72300b3743bd306cb3d593a194b47a095caa9ff1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5405670


Reviewed-by: Sophie Chang <sophiechang@chromium.org>
Commit-Queue: Steven Holte <holte@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1280429}