code: public JSONObject getAccountInfo(String idToken)
        throws GitkitClientException, GitkitServerException {
      try {
        // Uses idToken to make the server call to GITKit
        JSONObject params = new JSONObject().put("idToken", idToken);
        return invokeGoogle2LegOauthApi("getAccountInfo", params);
      } catch (JSONException e) {
        throw new GitkitServerException("OAuth API failed");
      }
    }
docs: Uses idToken to retrieve the user account information from GITkit service.
  
  @param idToken