Bumping gaia.json for 3 gaia-central revision(s)

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https://hg.mozilla.org/integration/gaia-central/rev/f8a85aceda9c
Author: Fernando Jiménez Moreno <ferjmoreno@gmail.com>
Desc: Merge pull request #10928 from ferjm/mmiresultdefaultcase

Follow up for MMI localization work

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https://hg.mozilla.org/integration/gaia-central/rev/22a3cf15439a
Author: Fernando Jiménez <ferjmoreno@gmail.com>
Desc: Bug 890463 - Follow up of Use MMIResult for get IMEI - default case. r=etienne

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https://hg.mozilla.org/integration/gaia-central/rev/d6ce537dafe6
Author: Fernando Jiménez <ferjmoreno@gmail.com>
Desc: Bug 890291 - [MMI] Follow-up of Localization of Call Barring functionality. r=etienne