fix(google-adk): Fix token count in google adk#2312

Luca Forstner (lforst) merged 3 commits into

mainbraintrustdata/braintrust-sdk-javascript:mainfrom

lforst/dum-e/osaka-5a9d60c6bfbraintrustdata/braintrust-sdk-javascript:lforst/dum-e/osaka-5a9d60c6bfCopy head branch name to clipboard