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

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https://hg.mozilla.org/integration/gaia-central/rev/2a85bee097d0
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Merge pull request #23749 from KevinGrandon/bug_1063228_fix_search_active_race

Bug 1063228 - [Rocketbar] Fix race conditions with active flag

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https://hg.mozilla.org/integration/gaia-central/rev/6bd0316fa65f
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Bug 1063228 - [Rocketbar] Fix race conditions with active flag r=apastor
Bumping manifests a=b2g-bump