Add t in dvmp; add a place holder for InvQuant in REC

WIP: Add t in dvmp; add a place holder for InvQuant with limited track selection in REC

benchmarks/dvmp/analysis/dvmp.h

@@ -48,6 +48,7 @@ namespace util {
   inline double get_nu_simu(inv_quant quantities) { return quantities.nu / 1000.; }
   inline double get_Q2_simu(inv_quant quantities) { return quantities.Q2; }
   inline double get_x_simu(inv_quant quantities) { return quantities.x; }
+  inline double get_t_simu(inv_quant quantities) { return quantities.t; }
 
   // for tracking, add later