Merge "Split out the ethernet API surface and use framework-connectivity-t" am: cbcf21833f am: fd22330b43

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1958559

Change-Id: Id8775d1085099fade286b65e0099fdf9457b1fed
tree: 13332c764701455e1d7d279e68c8bdb8c9d63f8d
  1. framework/
  2. framework-t/
  3. service-t/
  4. tests/