Update Skia/SkiaPaths expectations for third_party/tcpdf/example_00*

This CL adds the Skia expectations for third_party/tcpdf/example_00*
tests and rename the SkiaPaths expectations from *_expected_skia* to
*expected_skiapaths*.

Bug: pdfium:1855
Change-Id: I30196c45baa115e1ea616e96b2c43fa9b07b6cbe
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium_tests/+/96531
Reviewed-by: Lei Zhang <thestig@chromium.org>