Roll PDFium 5526501..3cc1802

https://pdfium.googlesource.com/pdfium.git/+log/5526501..3cc1802

TBR=tsepez@chromium.org
BUG=591785,589724

TEST=bots

Review URL: https://codereview.chromium.org/1806673002

Cr-Commit-Position: refs/heads/master@{#381250}