ethernet: broadcast state change for server interfaces am: 1f8bd41e87

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/18728708

Change-Id: Ifbbc38f860a017286102cf0aa0ad862163511851
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>