Merge changes Ifa2aa335,I09366a7f

* changes:
  Allow setting underlying networks when legacy lockdown enabled.
  Allow passing the underlying network to startLegacyVpn.
tree: 110b1589fea94a22da639f75a717e6591eeee216
  1. core/
  2. framework/
  3. service/
  4. services/
  5. tests/
  6. OWNERS