[Sat] Add satellite supported changed callback

Per the linked bug, there is a new API on `SatelliteManager` that
implements a callback for satellite support. This is in addition to the
existing query API that happens when the repository starts up.

This CL adds the listener after the initial query, and makes sure that
if satellite support shows up later it is caught. The state change
listener runs regardless of the initial supported state.

Test: DeviceBasedSatelliteRepositoryImplTest
Bug: 342278770
Flag: NONE bugfix
Change-Id: I4d930686f9ec98b0468f0efd6a1b0a4355b6fddc