Add sepolicy swcodec native flag namespace.

Test: add sepolicy, build, check GetServerConfigurableFlag function
Bug: 179286276
Change-Id: Ia16d110900251b3fb3e3959d73524c8814199270
diff --git a/private/mediaswcodec.te b/private/mediaswcodec.te
index cef802d..02079c1 100644
--- a/private/mediaswcodec.te
+++ b/private/mediaswcodec.te
@@ -3,3 +3,4 @@
 init_daemon_domain(mediaswcodec)
 
 get_prop(mediaswcodec, device_config_media_native_prop)
+get_prop(mediaswcodec, device_config_swcodec_native_prop)