Show setting for work profile lock screen notification

- Add work profile notification setting to security_lockscreen_setting
- Modify the preference controller to stop hardcode preference keys.

cherry-pick of: ag/2315314

Bug: 62051309
Bug: 62045663
Test: make RunSettingsRoboTests
Change-Id: I779590e34c1eca2dab5b62dda473cfa4371fc064