Updating expected pngs for annotation_ink tests.

https://pdfium-review.googlesource.com/7010 will change the rendering
of these tests very slightly due to different rounding.

Bug: pdfium:731
Change-Id: Ie5e7dfd2af910d885e081b35df33b74783a5cdda
Reviewed-on: https://pdfium-review.googlesource.com/7033
Reviewed-by: dsinclair <dsinclair@chromium.org>
diff --git a/pdfium/annots/annotation_ink_dash_expected.pdf.0.png b/pdfium/annots/annotation_ink_dash_expected.pdf.0.png
index 258e57b..14c02b5 100644
--- a/pdfium/annots/annotation_ink_dash_expected.pdf.0.png
+++ b/pdfium/annots/annotation_ink_dash_expected.pdf.0.png
Binary files differ
diff --git a/pdfium/annots/annotation_ink_expected.pdf.0.png b/pdfium/annots/annotation_ink_expected.pdf.0.png
index ab559a0..aea7a32 100644
--- a/pdfium/annots/annotation_ink_expected.pdf.0.png
+++ b/pdfium/annots/annotation_ink_expected.pdf.0.png
Binary files differ
diff --git a/pdfium/annots/annotation_ink_multiple_expected.pdf.0.png b/pdfium/annots/annotation_ink_multiple_expected.pdf.0.png
index ab23cba..da92f63 100644
--- a/pdfium/annots/annotation_ink_multiple_expected.pdf.0.png
+++ b/pdfium/annots/annotation_ink_multiple_expected.pdf.0.png
Binary files differ