Update xfermodes.pdf Skia expectation

Updates the Skia expectation for xfermodes.pdf after the fix for
crbug.com/pdfium/1959.

Bug: pdfium:1959
Change-Id: I765f470738bebc3c2b29a3199791630da6371a50
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium_tests/+/102490
Reviewed-by: Nigi <nigi@chromium.org>
diff --git a/third_party/skia/20180916_098c1355/xfermodes_expected_skia.pdf.0.png b/third_party/skia/20180916_098c1355/xfermodes_expected_skia.pdf.0.png
index cb71c02..d8ce751 100644
--- a/third_party/skia/20180916_098c1355/xfermodes_expected_skia.pdf.0.png
+++ b/third_party/skia/20180916_098c1355/xfermodes_expected_skia.pdf.0.png
Binary files differ