charm test dstz2 dz

MC request for 2017,2018 for DP search (samples with gamma-conversion) @cacochat

Year	Process	EvtType	Sample Size (MagUp/MagDw)
2017	D^{*0} \rightarrow (D^0 \rightarrow K^- \pi^+) \gamma	27162211	500k/500k
2017	D^{*0} \rightarrow (D^0 \rightarrow K^- \pi^+) (\pi^0 \rightarrow \gamma \gamma)	27162412	500k/500k
2018	D^{*0} \rightarrow (D^0 \rightarrow K^- \pi^+) \gamma	27162211	500k/500k
2018	D^{*0} \rightarrow (D^0 \rightarrow K^- \pi^+) (\pi^0 \rightarrow \gamma \gamma)	27162412	500k/500k