Attributes support is missing from ApigeeX APi product

[mxr576]

Description

https://github.com/apigee/apigee-client-php/blob/3.0.5/src/Api/ApigeeX/Entity/ApiProductInterface.php should also extend \Apigee\Edge\Entity\Property\AttributesPropertyInterface and information should be added by the related controller.

https://cloud.google.com/apigee/docs/reference/apis/apigee/rest/v1/organizations.apiproducts#ApiProduct

Steps to Reproduce

Actual Behavior

Expected Behavior

Screenshots

Notes

Version Info

3.0.4

[kedarkhaire]

Hi @mxr576 Thanks for creating this issue, we will look into it.