Allow adbd to access /proc/net/{tcp,tcp6,udp,udp6} am: 1a6b37d838 am: c3578b68ec am: 92de4b90f0

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

Change-Id: I83db2883df0ae1bcd6fa95bee1578550c6d9403b