Efficacy of Dolutegravir/Abacavir/Lamivudine (DTG/ABC/3TC) Fixed-Dose Combination (FDC) Compared With Ritonavir-Boosted Atazanavir (ATV/r) Plus Tenofovir Disoproxil Fumarate/Emtricitabine (TDF/FTC) in Treatment-Naive Women With Human Immunodeficiency Virus (HIV)-1 Infection (ARIA Study): Analyses by Race Subgroups