[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
2 files changed
tree: a04782009206c922ccc2f6ef30c028eb3d59e8ae
  1. core/
  2. service/
  3. services/
  4. tests/
  5. OWNERS