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

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https://hg.mozilla.org/integration/gaia-central/rev/07122a0fa946
Author: Fernando Campo <fernando.campo@o2.com>
Desc: Merge pull request #12844 from gitmai/bug-925331-pin-input-focus

Bug 925331 - Pin input loses focus (r=fcampo)

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https://hg.mozilla.org/integration/gaia-central/rev/cdefcaf071a8
Author: mai <mri@tid.es>
Desc: Bug 925331 - Pin input loses focus