Sanitize owner UID iff owning app does not have location permissions.

This change adds permission checking to ensure that the following
conditions are enforced in order for apps to receive the owner UID:
1. The app must be the owner of the network
2. The app must hold the FINE_LOCATION permission/appop
3. The user must have their location toggle enabled.

Bug: 142072839
Test: atest FrameworksNetTests
Change-Id: I7a981a82f1219828ee89c8c96eb9d2efd153377f