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

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https://hg.mozilla.org/integration/gaia-central/rev/2e7306782f0e
Author: Evyatar Amitay <evyatron@gmail.com>
Desc: Merge pull request #11836 from EverythingMe/bugfix-shortcuts-translations

[Bug 908513] fix shortcuts translations issue [r=crdlc]

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https://hg.mozilla.org/integration/gaia-central/rev/cc71179f2111
Author: Evyatar Amitay <evyatron@gmail.com>
Desc: [Bug 908513] fix shortcuts translations issue [r=crdlc]