Update annotation expected results that use /QuadPoints when appropriate

In [1], PDFium to use /QuadPoints coordinates rather than
/Rect coordinates, in accordance to the presence of /AP.

CL here updated the expectation for some test cases.

[1] https://codereview.chromium.org/2289293005/

Original Author: tonikitoo@igalia.com
Original Code Review: https://codereview.chromium.org/2300183002/

R=tonikitoo@igalia.com

Review URL: https://codereview.chromium.org/2334323002 .
diff --git a/pdfium/annots/annotation_squiggly_expected.pdf.0.png b/pdfium/annots/annotation_squiggly_expected.pdf.0.png
index 22b3ea4..a39d6fb 100644
--- a/pdfium/annots/annotation_squiggly_expected.pdf.0.png
+++ b/pdfium/annots/annotation_squiggly_expected.pdf.0.png
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diff --git a/pdfium/annots/annotation_squiggly_opacity_expected.pdf.0.png b/pdfium/annots/annotation_squiggly_opacity_expected.pdf.0.png
index fdb1af8..8132dbb 100644
--- a/pdfium/annots/annotation_squiggly_opacity_expected.pdf.0.png
+++ b/pdfium/annots/annotation_squiggly_opacity_expected.pdf.0.png
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diff --git a/pdfium/annots/annotation_strikeout_expected.pdf.0.png b/pdfium/annots/annotation_strikeout_expected.pdf.0.png
index 8f7e981..756c919 100644
--- a/pdfium/annots/annotation_strikeout_expected.pdf.0.png
+++ b/pdfium/annots/annotation_strikeout_expected.pdf.0.png
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diff --git a/pdfium/annots/annotation_strikeout_opacity_expected.pdf.0.png b/pdfium/annots/annotation_strikeout_opacity_expected.pdf.0.png
index a369e9d..848a064 100644
--- a/pdfium/annots/annotation_strikeout_opacity_expected.pdf.0.png
+++ b/pdfium/annots/annotation_strikeout_opacity_expected.pdf.0.png
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diff --git a/pdfium/annots/annotation_underline_expected.pdf.0.png b/pdfium/annots/annotation_underline_expected.pdf.0.png
index aff0e0b..3717bcf 100644
--- a/pdfium/annots/annotation_underline_expected.pdf.0.png
+++ b/pdfium/annots/annotation_underline_expected.pdf.0.png
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diff --git a/pdfium/annots/annotation_underline_opacity_expected.pdf.0.png b/pdfium/annots/annotation_underline_opacity_expected.pdf.0.png
index a867d9b..f65d24d 100644
--- a/pdfium/annots/annotation_underline_opacity_expected.pdf.0.png
+++ b/pdfium/annots/annotation_underline_opacity_expected.pdf.0.png
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