Review Mozilla 1964544: [meta] Rename ToU datareporting.policy.dataSubmissionPolicy* prefs

🔍 Bugzilla Audit

Bugzilla: https://bugzilla.mozilla.org/show_bug.cgi?id=1964544

Description

This changes some prefs we might be interested in (even though they should be gated on datareporting.policy.dataSubmissionEnabled, which we already set).

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