lazy svg parsing in TestSVGTypeface

Do you know why the mutex was there around render() in the first place?

Change-Id: I3ff4bcf510c5f9a61fa002b7eff0eb3d47dc2f45
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/204128
Reviewed-by: Ben Wagner <bungeman@google.com>
Commit-Queue: Mike Klein <mtklein@google.com>
2 files changed