Update Youdao client to new API
API Documentation https://ai.youdao.com/docs/doc-trans-api.s
Also updated the bin/mt and bin/Translate to make it work with
metrics logging. Just used a dummy console.log.
Bug: T210578
Change-Id: I7b7f2b5790b96a113d61eb82fdbbabd5a3a1ec0c