Replacing IIpClient with Manager in ethNetFactory

Replacing IIpClient with IpClientManager to reduce code duplication,
increase readability and maintainability as well as making
EthernetNetworkFactory easier to unit test.

Bug: 210485380
Test: atest EthernetServiceTests
Change-Id: I283653171c0cc47ad94a67d6dbd65b924cdf1ada
2 files changed
tree: 086c6ae2487ac66151330989710185bb07933406
  1. service-t/
  2. tests/