Update Skia expectation for 2_color_tiling.pdf

CL [1] fixes the issue that colored pattern was drawn with unwanted
dark borders. This CL updates its Skia expectation accordingly so that
this test can pass.

[1] https://pdfium-review.googlesource.com/c/pdfium/+/103214

Bug: pdfium:1867
Change-Id: I4cbd3ab9913435491b859ef3ff9f4acdd50fe7d7
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium_tests/+/103215
Reviewed-by: K. Moon <kmoon@chromium.org>
diff --git a/fx/pattern/2_color_tiling_expected_skia.pdf.0.png b/fx/pattern/2_color_tiling_expected_skia.pdf.0.png
new file mode 100644
index 0000000..3d2e1e4
--- /dev/null
+++ b/fx/pattern/2_color_tiling_expected_skia.pdf.0.png
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