Merge "[MS68.1] Register usage callback from NetworkPolicyManagerService" am: 0534b453bc

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1958144

Change-Id: Ic961c0fe82545afc30b51e0c7adc15e7ee3a60ef
tree: 0df9fd9938b5c8060cc5ed6e0ada711a4699264e
  1. framework/
  2. framework-t/
  3. service-t/
  4. services/
  5. tests/