use portable typeface for new gm

Change-Id: Idb2f23139fa14a334982e40b7ccaa7c7fd77d5dc
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/209407
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>
Auto-Submit: Mike Reed <reed@google.com>
1 file changed