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

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https://hg.mozilla.org/integration/gaia-central/rev/cd1c67863eb1
Author: Francisco Jordano <arcturus@ardeenelinfierno.com>
Desc: Merge pull request #12474 from jmcanterafonseca/disable_phone

Bug 920925 - [Contacts] Cannot recover when trying to add a contact only...

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https://hg.mozilla.org/integration/gaia-central/rev/95009d01a6dd
Author: Jose M. Cantera <jmcanterafonseca@gmail.com>
Desc: Bug 920925 - [Contacts] Cannot recover when trying to add a contact only with carrier