Allow VPNs to specify their underlying networks.

These are used when responding to getActiveNetworkInfo() (and cousins)
when an app is subject to the VPN.

Bug: 17460017
Change-Id: Ief7a840c760777a41d3358aa6b8e4cdd99c29f24
2 files changed
tree: 93c34205b0f3fb7af14e81c3753f81f253502bd9
  1. core/
  2. services/
  3. tests/