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

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https://hg.mozilla.org/integration/gaia-central/rev/9682e45ef4ad
Author: vingtetun <21@vingtetun.org>
Desc: Merge pull request #16941 from vingtetun/bug943845.relanding

Bug 943845 - [Gallery] There is a little delay between before rendering ...

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https://hg.mozilla.org/integration/gaia-central/rev/9402d2d686a3
Author: Vivien Nicolas <21@vingtetun.org>
Desc: Bug 943845 - [Gallery] There is a little delay between before rendering the images while panning. r=djf
Bumping manifests a=b2g-bump