[DU04-1]Remove NetworkPolicyManagerInternal from NetworkStatsService

Expose system APIs for use by NetworkStatsService.

Bug: 211843446
Test: atest NetworkStatsServiceTest NetworkPolicyManagerTest
            NetworkPolicyManagerServiceTest
Change-Id: I56a066b7f4b4c2c8fefdd185c2e50de63b1e2629
1 file changed
tree: a6157650a7b396ec3e00513dac0c416c1dfed3b6
  1. core/
  2. framework/
  3. framework-t/
  4. service-t/
  5. services/
  6. tests/