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

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https://hg.mozilla.org/integration/gaia-central/rev/b52b2c39126c
Author: Ryan VanderMeulen <ryanvm@gmail.com>
Desc: Revert "Merge pull request #11777 from evanxd/bug-863999"

This reverts commit f56f364d7af0409729954748122d9e38a6480e82, reversing
changes made to eb48d3682e045c94b650323b5a55898afdf3e3b1.