By Andrew Holleran Sunday night’s NFC Championship Game between the Los Angeles Rams and the San Francisco 49ers is the final NFL broadcast of the year for FOX. It could also be Troy Aikman’s final broadcast with the network. Aikman, who’s been calling games for FOX for roughly two decades, could have a new broadcasting home in 2022. Amazon is reportedly very interested in hiring Aikman for its NFL rights package. It’s possible that Aikman could do both – or stick with FOX – but it’s also possible that he’ll be leaving his longtime network. “Those conversations are happening now,” Aikman said,…