FBI Assistant Director Bryan Vorndran said, “The FBI has been really, really consistent about our stance on lawful access encryption. We're actually big, big supporters of it, but it has to be reasonably responsibly managed so that we can get what we need on the other side.”
So they want to keep the backdoors but have the Chinese government stop naughtily using them when they're only for American use. Good plan! A quick call to Xi Jinping should sort the whole thing out.