Ethernet validate if iface is tracked on handler am: 5f835f735c am: 6156c64c97

Original change: https://android-review.googlesource.com/c/platform/frameworks/opt/net/ethernet/+/2002656

Change-Id: Ide96619b259e964fee6668c0bd81c7afbe9271b9
tree: c20a20f51f1884b7c12b37cd9d6ca87d26d26722
  1. service-t/
  2. tests/