Add sepolicy SF native boot namespace.

Following go/android-native-flag-api-manual.

Bug: 190769260
Test: make.
Change-Id: I84fe7e9d046fbbe737f09043589b19e71981f521
diff --git a/private/system_server.te b/private/system_server.te
index d76a2a8..8ea6e50 100644
--- a/private/system_server.te
+++ b/private/system_server.te
@@ -708,7 +708,7 @@
 set_prop(system_server, device_config_window_manager_native_boot_prop)
 set_prop(system_server, device_config_configuration_prop)
 set_prop(system_server, device_config_connectivity_prop)
-
+set_prop(system_server, device_config_surface_flinger_native_boot_prop)
 
 # Allow query ART device config properties
 get_prop(system_server, device_config_runtime_native_boot_prop)
@@ -1216,6 +1216,7 @@
   device_config_runtime_native_prop
   device_config_media_native_prop
   device_config_storage_native_boot_prop
+  device_config_surface_flinger_native_boot_prop
   device_config_sys_traced_prop
   device_config_swcodec_native_prop
   device_config_window_manager_native_boot_prop