Prompt user to Setup a device lock if not set

This add below changes on selecting private space setting:
1. Prompt user to setup device lock if not already set
2. If device lock is set authenticate user first before displaying private space settings page

Screenshot - https://screenshot.googleplex.com/4SrYHbBMJfVuoRy.png
https://screenshot.googleplex.com/6vNWm7Lg83vfnH8.png
RecordingLink - https://drive.google.com/file/d/1r4zb3ILPRqwvP5tlwfjQ9GgnDAW4vZg6/view?usp=drive_link

Bug: 289016927
Test: atest PrivateSpaceSettingsAuthenticatorTest , atest SecuritySettingsTest
Change-Id: I0e5dfb30213843c0dec60a17d01c30cd91db89b0