ethernet: broadcast state change for server interfaces am: 1f8bd41e87 am: f00ccb2b90

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

Change-Id: I63efb7765a69254ad9ab1609e98aa10903f4298e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>