Repo aware monitors: populate `CommitSearch` hook
Created by: camdencheek
This PR creates and populates the CodeMonitorSearchWrapper
hook on the CommitSearch
job. This is the last PR needed for repo-aware monitors to run end-to-end. Comments inline.
All functionality here is hidden behind the feature flag cc-repo-aware-monitors
.
Stacked on #32576 Pulled from #32464
Test plan
Added some tests to validate the basics, but I've only done light manual testing of the full functionality. I plan to spend time this week doing more manual testing and adding a more complete set of regression tests.