Add more privacy-related firefox-addons to the bundles

We got an email from a user who wants us to look into adding the following Firefox addons to the browser bundles:

Certificate Patrol: https://addons.mozilla.org/en-US/firefox/addon/certificate-patrol/

RequestPolicy: https://addons.mozilla.org/en-US/firefox/addon/requestpolicy/

To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information