netd bpf program - use finer grained selinux privs, part 1 am: cae181d777

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2130014

Change-Id: I626c5f3354be127848c9e960284cb439a72421c2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>