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

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https://hg.mozilla.org/integration/gaia-central/rev/aa565b81260a
Author: Cristian Rodriguez <crdlc@tid.es>
Desc: Merge pull request #10397 from ednapiranha/bug883148

Bug 883148 - Refactor to a constant; fixed typo

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https://hg.mozilla.org/integration/gaia-central/rev/23c63ce291cd
Author: Jen Fong-Adwent <jen@ednapiranha.com>
Desc: Bug 883148 - Refactor to a constant; fixed typo