wifi_sniffer: add tcpdump related sepolicy am: 128a674db9

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

Change-Id: Icf7680efa9e523244c935fb9da42bd67f1b301eb
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>