Add support for PDFium to my_activity.py
Add support for PDFium to my_activity.py

Change-Id: I0febf1c3442511b8c82129c82cf9c68f7c37329c
Reviewed-on: https://chromium-review.googlesource.com/671548
Reviewed-by: Marc-Antoine Ruel <d2bf0fc09b08f7b0888b3ddab32b3e89c7122c8b@chromium.org>
Commit-Queue: Ryan Harrison <f6e83b88f802fc4054f7d3d5ce45628543f8e7d9@chromium.org>

CoherentLabs/depot_tools,CoherentLabs/depot_tools