It doesn't look like it, although we won't know for sure until products are launched. But historically, neither Apollo Lake nor Braswell supported 16 GiB. Both only supported up to 8 GiB. --David (talk) 12:56, 3 August 2017 (EDT)
I say it because websites are reporting it as such: "Intel has also upped the memory support for the single 64bit DDR4 controller. Higher speeds are available and maximum system memory is increased to 16 GB from 8 GB"