Increase test coverage for VPN info sent to NetworkStatsService.

Bug: 173331190
Test: test-only change
Change-Id: I3711b362f31cb92b759e9f5c9d244fb88d9bd5e7
1 file changed
tree: 8f1db6733e0cdc20e5e2458769db69692b38ba5e
  1. core/
  2. services/
  3. tests/