[MS65.3] Address comments at aosp/1954383

This change also remove dependencies from
NetworkPolicyManagerService.

Test: atest NetworkIdentityTest#testBuilder \
      NetworkPolicyManagerServiceTest
Bug: 204830222
Change-Id: Ib1ec1968746d88165cbf5421d4ba30a00f4b678f
1 file changed
tree: 2402a0a761e705cce35657cf641e57d01c8878c8
  1. core/
  2. framework/
  3. framework-t/
  4. service-t/
  5. services/
  6. tests/