Regenerate Skia expectation for bug_1963.in

Regenerates Skia expectation for bug_1963.in after a recent Skia roll
changed anti-aliasing behavior. This test case should only fail with
one-shot mode, not for all Skia configurations.

Bug: pdfium:1963
Change-Id: Ie0c22fadefd9db128088d79330efed05cec9bc54
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/104391
Reviewed-by: Nigi <nigi@chromium.org>
Commit-Queue: K. Moon <kmoon@chromium.org>
Auto-Submit: K. Moon <kmoon@chromium.org>
Commit-Queue: Nigi <nigi@chromium.org>
diff --git a/testing/resources/pixel/bug_1963_expected_skia.pdf.0.png b/testing/resources/pixel/bug_1963_expected_skia.pdf.0.png
index f55191b..2d9ddae 100644
--- a/testing/resources/pixel/bug_1963_expected_skia.pdf.0.png
+++ b/testing/resources/pixel/bug_1963_expected_skia.pdf.0.png
Binary files differ