Refactor ARP counter am: 05926e8f57

Original change: https://android-review.googlesource.com/c/platform/packages/modules/NetworkStack/+/3030343

Change-Id: I7a42561f387205403d02dc87eaabefb9b4ebc037
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>