Match CanvasStateHelpers.cpp change in Android repo

Matches https://googleplex-android-review.git.corp.google.com/c/platform/external/skia/+/9293246/2

Bug: skia:9381
Change-Id: I2c84e729aa9965e36aabf84fd4903afaace2fdd4
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/238357
Commit-Queue: Mike Reed <reed@google.com>
Reviewed-by: Mike Reed <reed@google.com>
1 file changed