Add a skeleton VpnManagerService, and start it on boot.

This adds a lot of unused code but this should make it easier to
review subsequent CLs.

Bug: 173331190
Test: builds, boots, "dumpsys vpnmanager" succeeds
Change-Id: Ied379654a0c3ab6242d3125661fe30f322395059
2 files changed
tree: ab7a1d568e023d18cf7d17356aa0d7f324f3b295
  1. core/
  2. framework/
  3. service/
  4. services/
  5. tests/
  6. OWNERS