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

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https://hg.mozilla.org/integration/gaia-central/rev/be4345837143
Author: Cristian Rodriguez <crdlc@tid.es>
Desc: Merge pull request #11074 from crdlc/bug-866563-master

Bug 866563 - [Buri][Homescreen]Continuously drag APP to hotseat,hotseat ...

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https://hg.mozilla.org/integration/gaia-central/rev/a62e244e8294
Author: crdlc <crdlc@tid.es>
Desc: Bug 866563 - [Buri][Homescreen]Continuously drag APP to hotseat,hotseat will be freeze