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_contexts b/private/property_contexts
index 902e8e7..f85f22e 100644
--- a/private/property_contexts
+++ b/private/property_contexts
@@ -274,6 +274,7 @@
 persist.device_config.window_manager_native_boot.   u:object_r:device_config_window_manager_native_boot_prop:s0
 persist.device_config.memory_safety_native_boot.    u:object_r:device_config_memory_safety_native_boot_prop:s0
 persist.device_config.memory_safety_native.         u:object_r:device_config_memory_safety_native_prop:s0
+persist.device_config.tethering_u_or_later_native.  u:object_r:device_config_tethering_u_or_later_native_prop:s0
 
 # F2FS smart idle maint prop
 persist.device_config.storage_native_boot.smart_idle_maint_enabled u:object_r:smart_idle_maint_enabled_prop:s0 exact bool