Add support for Interactions API in Google GenAI instrumentation

[angel-leelu-kv]

Is your feature request related to a problem? Please describe.
I was trying out the Google GenAI SDK with Interactions API and the instrumentation doesn't have support for it as of now.

Describe the solution you'd like
Add support for Instrumentation API wrappers in Google GenAI instrumentation

Describe alternatives you've considered
The instrumentation works well with GenerateContent API from Google GenAI SDK