Bumping gaia.json for 1 gaia-central revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/200ccf79991c
Author: Anthony Ricaud <anthony@ricaud.me>
Desc: Revert "Merge pull request #13230 from fbukevin/issue929377"

This reverts commit cca35de2ff8993be019b3da889bac406915cc212, reversing
changes made to 31687ef383bc1b85a9d388fb3dde610ab7e8f8fd.