Allow adbd to access /proc/net/{tcp,tcp6,udp,udp6} am: f7727ace66 am: 84f6646c7c am: 8bac0a5547 am: 82d397e19d

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/sepolicy/+/16602719

Change-Id: I74d1c9af3bd57a04bcc89e531321eadf33158229