Allow adbd to access /proc/net/{tcp,tcp6,udp,udp6} am: 1a6b37d838 am: ff22c64cbb am: 87d5e2ef90

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/sepolicy/+/16615268

Change-Id: I91dc7e4fd396dbb9c8676be923adff0d1e4fe052