Merge "Add an API to listen for changes in network blocked status of an uid." am: c262455617 am: 5580953ba4

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1612823

Change-Id: I5f64c0872ba298e8b7a10f5a4348c35ff19a9bb5
tree: 880fe0f0c61ca8c9abea594b8e0949a3b542b527
  1. core/
  2. framework/
  3. service/
  4. services/
  5. tests/
  6. OWNERS