<!-- Add the related story/sub-task/bug number, like Resolves#123, or
remove if NA -->
**Related issue:** Resolves#38536
Split the activities cleanup job from the queries cleanup job.
# Checklist for submitter
- [ ] Changes file added for user-visible changes in `changes/`,
`orbit/changes/` or `ee/fleetd-chrome/changes`.
- Present in previous PR
## Testing
- [x] Added/updated automated tests
- [x] QA'd all new/changed functionality manually
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
## Release Notes
* **New Features**
* Added automated cleanup job for expired live queries based on activity
expiration settings.
* **Improvements**
* Refactored activity data cleanup to use a dedicated service for better
reliability and maintainability.
* Enhanced scheduled cleanup operations with improved separation of
concerns for activity and live query management.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
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