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/property.te b/private/property.te
index 928f86c..042bd4f 100644
--- a/private/property.te
+++ b/private/property.te
@@ -14,6 +14,7 @@
 system_internal_prop(device_config_configuration_prop)
 system_internal_prop(device_config_connectivity_prop)
 system_internal_prop(device_config_swcodec_native_prop)
+system_internal_prop(device_config_tethering_u_or_later_native_prop)
 system_internal_prop(dmesgd_start_prop)
 system_internal_prop(fastbootd_protocol_prop)
 system_internal_prop(gsid_prop)