Fix proxy generation return type#17552

magento-engcom-team merged 1 commit intomagento:2.2-developmagento/magento2:2.2-developfrom

adrian-martinez-interactiv4:FR22#FIX-PROXY-GENERATION-RETURN-TYPEadrian-martinez-interactiv4/magento2:FR22#FIX-PROXY-GENERATION-RETURN-TYPECopy head branch name to clipboard