[FUI14] Get SSID from NetworkCapabilities

This allows subsequent patches to remove the need of exposing
SSID in NetworkState.

Test: atest NetworkStatsServiceTest
Bug: 174123988
Change-Id: Ib9ab07c9610954c9a5de035a3aefbf6d0bb0b53b
1 file changed
tree: 091167ef83c917cbc6a35f2931b9944eb2d14303
  1. core/
  2. services/