If we attempt to register again an old dynamic scalar, check if the new definition makes it expired. If so, update the expiration state and propagate the new "expired" scalar to the content proecesses. MozReview-Commit-ID: A2LFN1irw4i
If we attempt to register again an old dynamic scalar, check if the new definition makes it expired. If so, update the expiration state and propagate the new "expired" scalar to the content proecesses. MozReview-Commit-ID: A2LFN1irw4i