Merge "Add network created callback support" am: c542ed20fa am: cc030c76f5

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1652209

Change-Id: Ia98837b70d22f5c15db77c54d58e142967bdd814
tree: 8a5a8c4b6c7d2b712b24e2bb62beeba53e40c792
  1. core/
  2. framework/
  3. service/
  4. services/
  5. tests/
  6. OWNERS
  7. TEST_MAPPING