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