MAGETWO-361898: Customer-facing resources in Sales & Checkout APIs - "/mine" APIs

- Remove QuoteWebapi di.xml reference
- Add use statement for ParamOverriderCustomerId

Author: Bryant Luk

app/code/Magento/Quote/etc/di.xml

@@ -39,7 +39,7 @@
     <type name="Magento\Webapi\Controller\Rest\ParamsOverrider">
         <arguments>
             <argument name="paramsOverrider" xsi:type="array">
-                <item name="%cart_id%" xsi:type="object">Magento\QuoteWebapi\Model\Webapi\ParamOverriderCartId</item>
+                <item name="%cart_id%" xsi:type="object">Magento\Quote\Model\Webapi\ParamOverriderCartId</item>
             </argument>
         </arguments>
     </type>

app/code/Magento/Webapi/Controller/Rest/ParamOverriderCustomerId.php

@@ -7,6 +7,7 @@
 namespace Magento\Webapi\Controller\Rest;
 
 use Magento\Authorization\Model\UserContextInterface;
+use Magento\Framework\Webapi\Rest\Request\ParamOverriderInterface;
 
 /**
  * Replaces a "%customer_id%" value with the real customer id