Define IGnssVisibilityControl(Callback).hal interfaces to tell
the GNSS HAL implementation for which non-framework non-user
initiated emergency use cases, the framework user has granted
permission to the HAL implementation to provide GNSS location
information and to notify the framework user of these GNSS location
information deliveries.
Bug: 119560261
Test: Partial testing with cuttlefish
Change-Id: Ife704eb9fa4e6113196729b002bc9dc08bb47bc3
