Huawei's first TV is in fact slated to be released by its sub-brand Honor, and is to be called the Smart Screen. It may be reasonable to assume that this product will run Android for these larger devices. However, the OEM is now rumored to deploy one of its own long-anticipated OSs on the new product.
https://www.notebookcheck.net/Hongmeng-OS-could-debut-on-the-Honor-Smart-Screen-TV.428897.0.html