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

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https://hg.mozilla.org/integration/gaia-central/rev/2341a5cfecc1
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Merge pull request #22373 from KevinGrandon/bug_1046908_rocketbar_cleanup

Bug 1046908 - [Rocketbar] Cleanup legacy DOM

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https://hg.mozilla.org/integration/gaia-central/rev/8d954066875b
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Bug 1046908 - [Rocketbar] Cleanup legacy DOM r=vingtetun
Bumping manifests a=b2g-bump