Roll PDFium from eeaea7e7fae2 to a4b11d6beb5b (5 revisions)

https://pdfium.googlesource.com/pdfium.git/+log/eeaea7e7fae2..a4b11d6beb5b

2025-04-08 thestig@chromium.org Roll DEPS for abseil, buildtools, and libc++
2025-04-07 awscreen@chromium.org Clamp PDFium indexed color space hival
2025-04-07 awscreen@chromium.org Add pixel test for invalid indexed colorspace hival
2025-04-07 tsepez@chromium.org Convert to google_style_ members in core/fxcodec.
2025-04-07 pdfium-autoroll@skia-public.iam.gserviceaccount.com Roll Zlib from 788cb3c270e8 to ce5a169f5017 (1 revision)

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/pdfium-autoroll
Please CC dhoss@chromium.org,thestig@chromium.org,thestig@google.com on the revert to ensure that a human
is aware of the problem.

To file a bug in PDFium: https://bugs.chromium.org/p/pdfium/issues/entry
To file a bug in Chromium: https://bugs.chromium.org/p/chromium/issues/entry

To report a problem with the AutoRoller itself, please file a bug:
https://issues.skia.org/issues/new?component=1389291&template=1850622

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md

Bug: chromium:372749732,chromium:42271580
Tbr: thestig@google.com
Change-Id: I0e7a06b19bafe210349d07fc2cbdaf25d76c7096
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6440352
Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Bot-Commit: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/main@{#1443888}