Renaming Ethernet Network Management Classes am: 3ccf899bda am: 61f3143fdd

Original change: https://android-review.googlesource.com/c/platform/frameworks/opt/net/ethernet/+/1964753

Change-Id: I4800c382a431e2457602f13c10218797c64c66aa
tree: 9eda3b86615018c0e12552a05904d5d8144b24cd
  1. service-t/
  2. tests/