Update expectations when using hermetic fonts. [3/5]

After PDFium's corpus tests switches over to using croscore fonts for
testing, these are the updated expectations for the fx/FRC_8.[45]* dirs.

Bug: pdfium:1792
Change-Id: Ib9b1ed29bfd7e4d7a0f315db2e3eeabca717fa82
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium_tests/+/92051
Reviewed-by: Nigi <nigi@chromium.org>