A Randomized, Open-label, Phase 3 Study of MK-2870 in Combination With Pembrolizumab Compared to Pembrolizumab Monotherapy in the First-line Treatment of Participants With Metastatic Non-small Cell Lung Cancer With PD-L1 TPS Greater than or Equal to 50%. To compare MK-2870 combined with pembrolizumab to pembrolizumab alone with respect to OS
