Enable EthernetServiceTests in presubmit am: 95de2821c2 am: 33f54f3c6a am: 874a907e1d

Original change: https://android-review.googlesource.com/c/platform/frameworks/opt/net/ethernet/+/1942576

Change-Id: If6c570ea1fc00db030801aa1d3bf730edde7dccc
tree: ea0edc37d7c82b8ef9cead5d735d59f3c455abe1
  1. service-t/
  2. tests/