Implement code for new DLP Policy Common Controls 18.1, 18.2, 18.3, and 18.4

[mdueltgen]

💡 Summary

Implement the code for the new DLP Polices 18.1, 18.2, 18.3

Motivation and context

PR #454 moves DLP to common controls. This issue is to track the needed code changes for the baseline change.

This would be useful because...

Implementation notes

See #454

Acceptance criteria

How do we know when this work is done?

• Code has been added

[adhilto]

Note: #484 makes the needed changes for Drive and Chat. Changes for Common Controls are still needed.