Move applying underlying caps from Vpn to ConnectivityService. am: 220987b38d

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1501815

Change-Id: I10147f9b86661243e654a16a760e183128493042
tree: 768e59b8916dc0e3323b5a6d397fddd203e3e5b3
  1. core/
  2. services/
  3. tests/