[automerger skipped] Use public API instead of hidden API in EthernetTracker am: a8b818a487 am: 752d035896 am: 7042533e15 -s ours

am skip reason: skip tag Change-Id Idce8bfe7afc31baa644c816afa1f8004987e8c6e with SHA-1 f7d4918080 is already in history

Original change: https://android-review.googlesource.com/c/platform/frameworks/opt/net/ethernet/+/1649303

Change-Id: I26a620711927d7882ac549b74ce3853ed8f231d5
tree: 9eaa83535c8c072e6e01b15f5581a1f46a98efd3
  1. service-t/
  2. tests/