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

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https://hg.mozilla.org/integration/gaia-central/rev/85e191c3a71a
Author: Timothy Guan-tin Chien <timdream@gmail.com>
Desc: Revert "Merge pull request #20224 from timdream/input-manage-transition2"

This reverts commit 211d8fb44f979ad72d0bd606c98007d68f6f64bd, reversing
changes made to adf6d4f66497c88d68a9e5509d740eef182af4f8.
Bumping manifests a=b2g-bump