Allow to manually mark uids as user sensitive

All data is read from liveData that are not related to UI. Hence they
can be kept on a per application basis and can be reused.

Factored out some methods to Utils to use them in more than one pace

Bug: 124317989
Test: Looked at UI, swtiched switches and compared to dumpsys package
Change-Id: I7cebe7fa55fedc3d1aac67d664d75563bb0b8945