Drop ARP packet in APF if the type is not ARP IPv4 am: a718d5733f

Original change: https://android-review.googlesource.com/c/platform/packages/modules/NetworkStack/+/2840555

Change-Id: Ib201094623a10f2c9acd63e6bc1eb68c5da13d60
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>