Update AbstractExtensibleObject.php

Author: atwixfirster

lib/internal/Magento/Framework/Api/AbstractExtensibleObject.php

@@ -11,8 +11,8 @@
  * Base Class for extensible data Objects
  *
  * @SuppressWarnings(PHPMD.NumberOfChildren)
+ * phpcs:disable Magento2.Classes.AbstractApi
  * @api
- * @codeCoverageIgnore
  * @deprecated
  * @see \Magento\Framework\Model\AbstractExtensibleModel
  */