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

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https://hg.mozilla.org/integration/gaia-central/rev/d49d1074dc46
Author: Sam Joch <samuel@guiora.com>
Desc: Merge pull request #11653 from pivanov/bug-906873

Bug 906873 - [Clock] On press active state "new alarm" icon is bigger and fuzzy r=samjoch

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https://hg.mozilla.org/integration/gaia-central/rev/6ae115eb3d91
Author: Pavel Ivanov <pivanov@mozilla.com>
Desc: Bug 906873 - [Clock] On press active state "new alarm" icon is bigger and fuzzy