wifi_sniffer: add tcpdump related sepolicy am: 128a674db9 am: 6b2fcd9071

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/google/pixel-sepolicy/+/19086048

Change-Id: I107c35312bb403e6c09996354604634d9f8c887c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>