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

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https://hg.mozilla.org/integration/gaia-central/rev/ce3d9b62f10a
Author: Cristian Rodriguez <crdlc@tid.es>
Desc: Merge pull request #10597 from crdlc/bug-883142

Bug 883142 - The task switchers cross sometimes does not work

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https://hg.mozilla.org/integration/gaia-central/rev/f8fd76c4ed02
Author: crdlc <crdlc@tid.es>
Desc: Bug 883142 - The task switchers cross sometimes does not work