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

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https://hg.mozilla.org/integration/gaia-central/rev/5d583ad896ca
Author: Alive.Kuo <alegnadise@gmail.com>
Desc: Merge pull request #11519 from alivedise/bugzilla/905006/remove-oo

Bug 905006 - Remove orientaion observer reference, r=timdream

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https://hg.mozilla.org/integration/gaia-central/rev/e266fed28066
Author: Alive Kuo <alegnadise@gmail.com>
Desc: Bug 905006 - Remove orientaion observer reference