Add destructor override

Change-Id: Ide8d7d0f91748fc1e2235cf94f310f6d51084ee3
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/382759
Commit-Queue: Jim Van Verth <jvanverth@google.com>
Commit-Queue: John Stiles <johnstiles@google.com>
Auto-Submit: Jim Van Verth <jvanverth@google.com>
Reviewed-by: John Stiles <johnstiles@google.com>
1 file changed