Rename logIfEthernetNotStarted to throwIfEthernetNotStarted am: 038c80551e

Original change: https://android-review.googlesource.com/c/platform/frameworks/opt/net/ethernet/+/2018415

Change-Id: I46fcec7b3c47a8afda01a13b8e431f423623d5b3
tree: d056f65b9dcbc0294a3ddc28d83551f865f16e4b
  1. service-t/
  2. tests/