Merge "Unicast state of existing ethernet interfaces when registering new Ethernet Listener." am: baa5442dd9

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2076404

Change-Id: I40e3391eb550780c3346cfd70514412d311d74a4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>