Roll src/third_party/pdfium 9b94ee446d9c..b54d7ad71425 (1 commits)

https://pdfium.googlesource.com/pdfium.git/+log/9b94ee446d9c..b54d7ad71425

git log 9b94ee446d9c..b54d7ad71425 --date=short --no-merges --format='%ad %ae %s'
2019-11-06 shwali@microsoft.com Make FPDFAnnot_SetAP() generate PDF standard compliant AP stream

Created with:
  gclient setdep -r src/third_party/pdfium@b54d7ad71425

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 pdfium-deps-rolls@chromium.org on the revert to ensure that a human
is aware of the problem.

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

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

TBR=pdfium-deps-rolls@chromium.org

Bug: None
Change-Id: I9eb65784a316dd8585d1d77329b73f9a40648153
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1900334Reviewed-by: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#712908}

DEPS

@@ -192,7 +192,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling PDFium
   # and whatever else without interference from each other.
-  'pdfium_revision': '9b94ee446d9c52a7537e6bc00ffa9bfa7cbb8622',
+  'pdfium_revision': 'b54d7ad714257aadf331934849788b451a13dcd5',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling BoringSSL
   # and whatever else without interference from each other.