Port 9010201c

Original Commit Message:

    Moves VSNPrintf, SNPrintf and StrNCpy out of utils/utils.h into
    base/strings.h.

R=delphick@chromium.org, joransiu@ca.ibm.com, junyan@redhat.com, midawson@redhat.com
BUG=
LOG=N

Change-Id: Ia06003c1daea94e3767083b910bee1498bec37cd
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2979474Reviewed-by: Dan Elphick <delphick@chromium.org>
Commit-Queue: Dan Elphick <delphick@chromium.org>
Cr-Commit-Position: refs/heads/master@{#75312}