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

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https://hg.mozilla.org/integration/gaia-central/rev/60f0adaa964c
Author: Salvador de la Puente González <salva@unoyunodiez.com>
Desc: Merge pull request #12038 from lodr/bug-913516-showing-a-fallback-name

Bug 913516 - Adding a display name as fallback when no name is available to show.
r=jmcf

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https://hg.mozilla.org/integration/gaia-central/rev/7598958af947
Author: lodr <salva@unoyunodiez.com>
Desc: Bug 913516 - Adding a display name as fallback when no name is available to show.