add send_info dp app and uuid_send_info FSAPI and execute_on_sip_extra_headers and api_on_sip_extra_headers handler variables

src/include/switch_types.h

@@ -871,6 +871,7 @@ typedef enum {
 	SWITCH_MESSAGE_INDICATE_JITTER_BUFFER,
 	SWITCH_MESSAGE_INDICATE_RECOVERY_REFRESH,
 	SWITCH_MESSAGE_INDICATE_SIGNAL_DATA,
+	SWITCH_MESSAGE_INDICATE_INFO,
 	SWITCH_MESSAGE_INVALID
 } switch_core_session_message_types_t;