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

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https://hg.mozilla.org/integration/gaia-central/rev/34550b3e5f46
Author: Carsten Book <tomcat@mozilla.com>
Desc: Merge pull request #22693 from anefzaoui/bug-1050615

Bug 1050615 - RTL Support for Status bar. r=alive

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https://hg.mozilla.org/integration/gaia-central/rev/ef02733df413
Author: Ahmed Nefzaoui <nefzaoui.ahmed@hotmail.com>
Desc: Bug 1050615 - RTL Support for Status bar
Bumping manifests a=b2g-bump