Use the right mask action to draw emoji

Change-Id: I150e09c9f9fdf60a7cc90478007d69008962e052
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/639236
Commit-Queue: Herb Derby <herb@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>
1 file changed