modules: Add missing run time module support levels.

Change-Id: I29b9dbfa4bbfc49f21eba356858e38b1d3041824

tests/test_stasis_channels.c

@@ -327,6 +327,7 @@ static int load_module(void)
 }
 
 AST_MODULE_INFO(ASTERISK_GPL_KEY, 0, "Stasis Channel Testing",
+	.support_level = AST_MODULE_SUPPORT_CORE,
 	.load = load_module,
 	.unload = unload_module
 );