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

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https://hg.mozilla.org/integration/gaia-central/rev/29a1de78a742
Author: Mihai Cîrlănaru <mihai@cirlanaru.com>
Desc: Merge pull request #11018 from mcirlanaru/bug_886628

Bug 886628 - Add Romanian keyboard layout. r=@RudyLu

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https://hg.mozilla.org/integration/gaia-central/rev/2945f1ea75cc
Author: Mihai Cirlanaru <mihai@cirlanaru.com>
Desc: Bug 886628 - Add Romanian keyboard layout. r=rudyl