Automotive OEM Coatings Market Size, Share & Industry Analysis, By Coating Layer (Pretreatment, Electrocoat (E-coat), Primer, Basecoat, and Clearcoat), By Vehicle Type (Passenger Cars, LCVs, and HCVs), By Technology Type (Water-Borne Coatings, Solvent-Borne Coatings, Powder Coatings, and UV-Curable & Low-Bake Coatings), By Resin Type (Polyurethane, Acrylic, Epoxy, Polyester, and Others), and Regional Forecast, 2026-2034