Drop ARP packet in APF if the type is not ARP IPv4 am: a718d5733f am: 274f628c1f am: d517259c7b

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

Change-Id: I6957313a5dabc6b31ed492dd54088bf318c869f1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>