[LNT] Add mem_bytes sample type to NT suite

[Chris Matthews via llvm-commits]

LGTM.

> On Sep 24, 2015, at 2:18 PM, Luke Larson <llarson at apple.com> wrote:
> 
> This patch adds the mem_bytes sample type to the NT suite:
> 
> <lnt_nt_mem_bytes.patch>
> 
> Please take a look and commit if everything looks good.
> 
> Luke