Implementation of Eth Service updateConfiguration am: 7f0823c15f am: ff09606232

Original change: https://android-review.googlesource.com/c/platform/frameworks/opt/net/ethernet/+/1935157

Change-Id: I1ed841d955ff0dc2a6ee53d4e67f031a40bdf798
tree: ae91358392d113d6c82ab159d8490ab7263df7a1
  1. service-t/
  2. tests/