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

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https://hg.mozilla.org/integration/gaia-central/rev/08c6ccd77761
Author: Mihai Cîrlănaru <mihai@cirlanaru.com>
Desc: Merge pull request #10729 from mcirlanaru/bug_846494

Bug 846494 - Display sleep menu labels on multiple lines if ... r=@alivedise

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https://hg.mozilla.org/integration/gaia-central/rev/d0715253123a
Author: Mihai Cirlanaru <mihai@cirlanaru.com>
Desc: Bug 846494 - Display sleep menu labels on multiple lines if they overflow. r=alive