[TL02]Remove hidden API usage of NetworkAgent am: f1594291c4 am: 3ab40b5390

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1642722

Change-Id: Id2679c6437a31718fb7612b07712bf8cef7fa293
tree: 951140b41f032939364438739427453773bec24f
  1. core/
  2. framework/
  3. service/
  4. services/
  5. tests/
  6. OWNERS
  7. TEST_MAPPING