Add getters to NetworkStateSnapshot

Address API council feedback, add getters to NetworkStateSnapshot
instead of exposing the bare fields directly.

Bug: 183972826
Test: FrameworksNetTests
Change-Id: Id1707753b42ae88d2b95e4bd00a792609434e4f5
3 files changed
tree: f2fdbcd41f22c640a5ffde71a247bafe812d8613
  1. core/
  2. services/