Add glf16norm config to DM

Bug: skia:
Change-Id: Ia50fc75d00f4752c9ef266f3eac25b887563d52a
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/198174
Commit-Queue: Brian Osman <brianosman@google.com>
Commit-Queue: Mike Klein <mtklein@google.com>
Auto-Submit: Brian Osman <brianosman@google.com>
Reviewed-by: Mike Klein <mtklein@google.com>
1 file changed