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

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https://hg.mozilla.org/integration/gaia-central/rev/949e707f0928
Author: Hubert Figuière <hub@figuiere.net>
Desc: Merge pull request #24105 from hfiguiere/bug882799

Bug 882799 - parseInt always pass the radix. r=dkuo

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https://hg.mozilla.org/integration/gaia-central/rev/3c8d9155667e
Author: Hubert Figuière <hub@figuiere.net>
Desc: Bug 882799 - parseInt always pass the radix.
Bumping manifests a=b2g-bump