Update test expectations for Mac ARM64 with macOS 15

Add/update test expectations to pass for Mac ARM64. Prioritize Mac ARM64
over Mac Intel.

Bug: 41480180
Change-Id: I05bbd09b8cc2180d06d29dbad2305236bec5f382
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium_tests/+/138030
Reviewed-by: Tom Sepez <tsepez@chromium.org>