Enable CastPlayer to report live stream duration

[ptsekov]

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[ptsekov]

@marcbaechinger, there is an issue with the PR - I will fix it and update the PR. Apparently RemoteMediaClient.requestStatus() triggers RemoteMediaClient.ProgressListener when the remote client is in the BUFFERING state. This could lead to infinite status polling if the client remains in the BUFFERING state.

[ptsekov]

I've moved requestStatus() out of the progress listener.

[icbaker]

Closing all PRs on this deprecated project. We are now unable to merge PRs from here. If you would like us to consider this change again please file a new PR on the media3 project: https://github.com/androidx/media/pulls