Merge "Add CTS for NetworkAgentConfig#setSubscriberId" into sc-dev am: 323a05334b

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/14639705

Change-Id: I512829ff1fdd642e4c1d5577935c2a835b8ce872
tree: acade211c63de8b6e49308d3c643b208db568cf3
  1. tests/
  2. Tethering/
  3. .gitignore
  4. OWNERS
  5. PREUPLOAD.cfg
  6. TEST_MAPPING