Revert "NetworkStatsService: Fix getDetailedUidStats to take VPNs into account."
am: ebf6303f1d

Change-Id: I9bf180aca56a8b5e2c5262beabac3ceaa9b00315
tree: c92076e7fab895b620b714bd782f1bbb1000f518
  1. core/
  2. services/
  3. tests/