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

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https://hg.mozilla.org/integration/gaia-central/rev/d7f95a3a4a65
Author: gitmai <mri@tid.es>
Desc: Merge pull request #14741 from gitmai/bug-945325-DSDS-change-SIM-launch-FTU

Bug 945325 - [B2g][DSDS][Usage] Usage FTU should be launched when a new ...
r=salva

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https://hg.mozilla.org/integration/gaia-central/rev/148b391e11b8
Author: mai <mri@tid.es>
Desc: Bug 945325 - [B2g][DSDS][Usage] Usage FTU should be launched when a new SIM card is selected as the active data one