Merge "Move Ethernet related files to f/b/packages/ConnectivityT." am: 487a9cc8a4 am: bf089a8cd1

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1934465

Change-Id: I1eb7467e256c0694bfed9c7af5676ec4cf9b30df