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

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https://hg.mozilla.org/integration/gaia-central/rev/f82e95c4ab22
Author: Sam Joch <samuel@guiora.com>
Desc: Merge pull request #11357 from pivanov/bug-901480

Bug 901480 - Update Graphics in 1.1HD for WVGA Device r=samjoch

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https://hg.mozilla.org/integration/gaia-central/rev/5cdd08ff6119
Author: Pavel Ivanov <pivanov@mozilla.com>
Desc: Bug 901480 - Update Graphics in 1.1HD for WVGA Device