MAGETWO-38191: Contribute payment service API to mainline

- Added preference for ClassReaderInterface

Author: dkvashninbay

app/etc/di.xml

@@ -132,7 +132,7 @@
     <preference for="Magento\Framework\Api\Data\ImageContentInterface" type="Magento\Framework\Api\ImageContent" />
     <preference for="Magento\Framework\Api\ImageContentValidatorInterface" type="Magento\Framework\Api\ImageContentValidator" />
     <preference for="Magento\Framework\Api\ImageProcessorInterface" type="Magento\Framework\Api\ImageProcessor" />
-
+    <preference for="Magento\Framework\Code\Reader\ClassReaderInterface" type="Magento\Framework\Code\Reader\ClassReader" />
     <type name="Magento\Framework\Model\Resource\Db\TransactionManager" shared="false" />
     <type name="Magento\Framework\Logger\Handler\Base">
         <arguments>