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

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https://hg.mozilla.org/integration/gaia-central/rev/e46292eec7e3
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Merge pull request #11622 from KevinGrandon/bug_906934_remove_rocketbar_code

Bug 906934 - Remove rocketbar code r=fabrice

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https://hg.mozilla.org/integration/gaia-central/rev/d97ef305b6a2
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Bug 906934 - Remove rocketbar code