Merge "[NETD-BPF#19] Mainline part of bpf code from netd" am: 523eaffcdf am: c272c3053b am: efb2edb370 am: dfde2ddb48

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/1849156

Change-Id: I0ca14ef2e9412e100fdacd2fc69c10b295046d38