initialize once

seems to fix the deadlocks?

Change-Id: Iac8b4247d2521250f18f54562d5696a566a6e71a
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/274028
Reviewed-by: Mike Klein <mtklein@google.com>
Commit-Queue: Mike Klein <mtklein@google.com>
Auto-Submit: Mike Klein <mtklein@google.com>
1 file changed