Prevent kDefaultFontFamilies from being destroyed during atexit.

Change-Id: Ie9324622c27fefe2d876f462b7c106dbc2a4f2cb
Bug: skia:13432
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/550177
Reviewed-by: Julia Lavrova <jlavrova@google.com>
Commit-Queue: John Stiles <johnstiles@google.com>
Auto-Submit: John Stiles <johnstiles@google.com>
2 files changed