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: I99f9a19659dff54c1453c08dfadace6b46c3ff51
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>