[http-client-java] - Make rename-model available for data plane libraries

[srnagar]

Clear and concise description of the problem

We currently have rename-model option for fluent libraries. We should extend this to be available for data plane libraries too.

Checklist

• Follow our Code of Conduct
• Read the docs.
• Check that there isn't already an issue that request the same feature to avoid creating a duplicate.

[weidongxu-microsoft]

The rename of ##ServiceVersion can be done via service-name emitter options. Result be <pascal-service-name>ServiceVersion.