ApfFilter: add Apf filter on port 7 am: 20ed10ff6c

Original change: https://android-review.googlesource.com/c/platform/packages/modules/NetworkStack/+/2840756

Change-Id: I89119e83cde7daf87d7b142b369beacc15020b1a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>