Saudi Arabian state oil giant Aramco is betting on an Asian-led rebound in energy demand this year after it reported a steep slide in net profit for 2020 on Sunday and scaled back its spending plans.The world’s largest oil exporter said net profit fell 44.4% to 183.76 billion riyals ($49 billion) for the year ended Dec. 31, from 330.69 billion riyals a year earlier.