Add missing header

Change-Id: I0a007595f1c5458417eabba7277ceb1ead9284f6
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/220755
Auto-Submit: Herb Derby <herb@google.com>
Reviewed-by: Julia Lavrova <jlavrova@google.com>
Commit-Queue: Herb Derby <herb@google.com>
1 file changed