You may or may not have heard
Google has cut ties with Huawei, no longer licensing Android to them. This (I believe) has to do with the new exec. order forbidding US companies from doing business with them (and other companies).
If you currently have a Huawei phone, then you will get security updates, but I'd suggest moving off them as soon as possible anyway.
@0x56 In your opinion, did Google do this willingly? I have this sense they were very reluctant.
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@Jsabinas - I'm pretty sure they didn't. I'm pretty sure it had to do with this: http://time.com/5589947/executive-order-huawei-products/