Pharmacokinetic Study in Healthy Participants to Compare Study Drug (pegfilgrastim-apgf) Given by Two Methods: On-body Injector or Prefilled Syringe (Needle).  A Phase 1, Open-label, Randomized, Single Dose, 2 Way Crossover Study Assessing Pharmacokinetic Comparability of Two PF-06881894 Presentations, On-body Injector and Prefilled Syringe, in Healthy Participants.