Use cgroup socket filter to control socket creation

For the devices that support cgroup socket filter, use it to control the
inet socket creation.

Bug: 111560570
Bug: 111560739
Test: dumpsys netd trafficcontroller
Change-Id: I0dda638ff610a2342afca9e99cd5a2ea38718f80
diff --git a/libnetdutils/include/netdutils/UidConstants.h b/libnetdutils/include/netdutils/UidConstants.h
index 65f6f3b..42c1090 100644
--- a/libnetdutils/include/netdutils/UidConstants.h
+++ b/libnetdutils/include/netdutils/UidConstants.h
@@ -22,4 +22,6 @@
 #define MIN_SYSTEM_UID 0
 #define MAX_SYSTEM_UID 9999
 
+#define PER_USER_RANGE 100000
+
 #endif  // NETDUTILS_UID_CONSTANTS_H