Also check-in the requisite encrypted PDF.

Fixed: 1167036
Change-Id: I4234d3bfd3cb600907f3e9262e64aaf3cace9e8f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2638916
Commit-Queue: Daniel Hosseinian <dhoss@chromium.org>
Reviewed-by: dpapad <dpapad@chromium.org>
Cr-Commit-Position: refs/heads/master@{#846309}