support f16norm in skcms

Change-Id: Ic1699f8d4180b23e9b2f3aa336991207cc175894
Reviewed-on: https://skia-review.googlesource.com/c/skcms/+/199978
Commit-Queue: Mike Klein <mtklein@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
Auto-Submit: Mike Klein <mtklein@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
3 files changed