Update XboxOne backend to use WebView2

[tykus160]

Currently Xbox backend uses Legacy Edge under the hood. It is no longer supported by Microsoft and it is known it has issues around memory management in long running sessions. We should either update current backend to WebView 2 (which uses Edge Chromium) or add another backend so 2 implementations could be tested.

More info: https://learn.microsoft.com/en-gb/microsoft-edge/webview2/get-started/winui2

[avelad]

@tykus160 do you want to work on it?

[tykus160]

Potentially it might also unblock shaka-project/shaka-player#4234
I can try to work on this in my spare time.