Merge "Unify the verification for unregister a NetworkAgent" am: 14e14a36ea am: 65fd62fc63

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/1664603

Change-Id: I8559fb107b6b70a34dc3d088e212fe85546af433
tree: de78b6d9f9986ab2ebb80eaafd4f18906e25576a
  1. tests/
  2. Tethering/
  3. .gitignore
  4. OWNERS
  5. PREUPLOAD.cfg
  6. TEST_MAPPING