Bumping gaia.json for 2 gaia-central revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/93c564acd500
Author: Timothy Guan-tin Chien <timdream@gmail.com>
Desc: Merge pull request #13945 from timdream/keyboard-pref-off

Bug 941885 - Hide 3rd-party keyboard apps under a settings db entry, r=rudyl

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https://hg.mozilla.org/integration/gaia-central/rev/0e52ca93659f
Author: Timothy Guan-tin Chien <timdream@gmail.com>
Desc: Bug 941885 - Hide 3rd-party keyboard apps under a settings db entry