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

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https://hg.mozilla.org/integration/gaia-central/rev/210bb51b51b7
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Merge pull request #25873 from sv99/1094716

Bug 1094716 - [collection] bad unit test initialization in collection/test/unit/setup.js r=kgrandon

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https://hg.mozilla.org/integration/gaia-central/rev/c1699cee99d6
Author: sv99 <sv99@inbox.ru>
Desc: Bug 1094716 - [collection] bad unit test initialization in collection/test/unit/setup.js
Bumping manifests a=b2g-bump