[SYCL] Add missing iterator header for std::back_inserter (#6329)

Author: HaohaiWen

sycl/tools/xpti_helpers/launch.hpp

@@ -9,6 +9,7 @@
 #pragma once
 
 #include <algorithm>
+#include <iterator>
 #include <string>
 #include <unistd.h>
 #include <vector>