Bumping gaia.json for 3 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/1cf711cc0add
Author: sv99 <sv99@inbox.ru>
Desc: Bug 1070047 - Upgrade chaijs to version 1.9.2 r=julien

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https://hg.mozilla.org/integration/gaia-central/rev/cef874a04997
Author: Wilson Page <wilsonpage@me.com>
Desc: Merge pull request #25324 from wilsonpage/1082625

Bug 1082625 - [Flame][Video] When camera is started by the video app, the mode

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https://hg.mozilla.org/integration/gaia-central/rev/3af27160e581
Author: Wilson Page <wilsonpage@me.com>
Desc: Bug 1082625 - [Flame][Video] When camera is started by the video app, the mode
Bumping manifests a=b2g-bump