Fix issue in SkDebugCanvas where filter canvas prevents GrOp bounds from drawing

Change-Id: I3446bfc42c4cf521916a03aa0f367cd38b4fd370
Reviewed-on: https://skia-review.googlesource.com/6401
Reviewed-by: Ben Wagner <bungeman@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
1 file changed