Add sepolicy config for tethering_u_or_later_native namespace

Setup tethering_u_or_later_native namespace

Test: adb shell device_config put tethering_u_or_later_native test 1
Test: Read persist.device_config.tethering_u_or_later_native.test property
Test: from system server and Tethering.apk
Ignore-AOSP-First: topic has CL that updates DeviceConfig
Bug: 281944942
Change-Id: I2862974dc1a15f6768a34763bb9e2bad93eaf4ca
diff --git a/private/system_server.te b/private/system_server.te
index df0dfa7..123d20f 100644
--- a/private/system_server.te
+++ b/private/system_server.te
@@ -769,6 +769,7 @@
 set_prop(system_server, device_config_memory_safety_native_boot_prop)
 set_prop(system_server, device_config_memory_safety_native_prop)
 set_prop(system_server, device_config_remote_key_provisioning_native_prop)
+set_prop(system_server, device_config_tethering_u_or_later_native_prop)
 set_prop(system_server, smart_idle_maint_enabled_prop)
 set_prop(system_server, arm64_memtag_prop)
 
@@ -1322,6 +1323,7 @@
   device_config_sys_traced_prop
   device_config_swcodec_native_prop
   device_config_window_manager_native_boot_prop
+  device_config_tethering_u_or_later_native_prop
 }:property_service set;
 
 # Only allow system_server and init to set tuner_server_ctl_prop