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

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https://hg.mozilla.org/integration/gaia-central/rev/e12d656470b5
Author: Jose Antonio Olivera Ortega <josea.olivera@gmail.com>
Desc: Merge pull request #10927 from jaoo/891345

Bug 891345 - [User Story][Settings] Need an UI for calling line identification restriction. r=arthurcc

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https://hg.mozilla.org/integration/gaia-central/rev/c95b53a3ff5f
Author: Jose Antonio Olivera Ortega <josea.olivera@gmail.com>
Desc: Bug 891345 - [Settings] Need an IU for calling line identification restriction