Fixing background rectangle sizes for Flutter

Bug: skia:10982
Change-Id: Id5b352c1139293195ca421b069e8632079acf37b
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/337181
Commit-Queue: Julia Lavrova <jlavrova@google.com>
Reviewed-by: Ben Wagner <bungeman@google.com>
Reviewed-by: Jason Simmons <jsimmons@google.com>
1 file changed