Add TWFunc::Property_Override(name, value) to override properties
using libresetprop

Change-Id: Ic49e187698c714f8a629d20ceddc40e823555477
diff --git a/twrp-functions.hpp b/twrp-functions.hpp
index 8cea321..3e4e807 100755
--- a/twrp-functions.hpp
+++ b/twrp-functions.hpp
@@ -107,6 +107,7 @@
 	static std::string get_cache_dir(); // return the cache partition existence
 	static void check_selinux_support(); // print whether selinux support is enabled to console
 	static bool Is_TWRP_App_In_System(); // Check if the TWRP app is installed in the system partition
+	static int Property_Override(string Prop_Name, string Prop_Value); // Override properties (including ro. properties)
 	static void Copy_Log(string Source, string Destination);