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

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

Change-Id: Ia2ea29f336d9f80ab27d6593a8d9c8f4a4fca6bb