[FEATURE] protected apps/app protection feature

[UltLight]

Describe the feature

kinda like hidden apps, except instead of hiding them, you need to put in your password/biometrics to access the app. also the apps that are protected will be blanked out from the recents (if possible)

Why would it be useful to add?

would be nice for sensitive stuff like any messaging apps, banking apps, stuff like that.

Did the feature exist in Lawnchair v2? (Play Store version)

No

Example(s)

Additional context

there is issue #3160, but since it specifies crdroid, i thought making a new feature request would be better