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: I1fa20484f7e8046d34b31ab352cd81f76c659e79
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>