Selinux changes for statsd flags

Test: manually verified statsd can get values using
GetServerConfigurableFlag
Bug: 172842175

Change-Id: I05cb2242dc758e32a22ddf30cb6f09088b70f5d4
diff --git a/private/property.te b/private/property.te
index 9a600cf..472f5cb 100644
--- a/private/property.te
+++ b/private/property.te
@@ -1,6 +1,8 @@
 # Properties used only in /system
 system_internal_prop(adbd_prop)
 system_internal_prop(device_config_profcollect_native_boot_prop)
+system_internal_prop(device_config_statsd_native_prop)
+system_internal_prop(device_config_statsd_native_boot_prop)
 system_internal_prop(device_config_storage_native_boot_prop)
 system_internal_prop(device_config_sys_traced_prop)
 system_internal_prop(device_config_window_manager_native_boot_prop)