#33334:Inheriting from a class that doesn't exist

- Changed PRICE_CODE constant from non-exist class to $this class

Author: monteshot

app/code/Magento/Bundle/Pricing/Price/ConfiguredPrice.php

@@ -148,7 +148,7 @@ public function getValue()
             $configuredOptionsAmount = $this->getConfiguredAmount()->getBaseAmount();
             return parent::getValue() +
                 $this->priceInfo
-                    ->getPrice(BundleDiscountPrice::PRICE_CODE)
+                    ->getPrice(self::PRICE_CODE)
                     ->calculateDiscount($configuredOptionsAmount);
         }
         return parent::getValue();