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

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https://hg.mozilla.org/integration/gaia-central/rev/3d384f7a4c22
Author: Amir Nissim <amirnissim@gmail.com>
Desc: Merge pull request #16343 from EverythingMe/965711-redesign-collection-icon

Bug 965711 - [VsD Refresh] Homescreen/E.Me - Implement visual refresh to smart collections icons

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https://hg.mozilla.org/integration/gaia-central/rev/33f77d3a0e00
Author: Amir Nissim <amirnissim@gmail.com>
Desc: Bug 965711 - [VsD Refresh] Homescreen/E.Me - Implement visual refresh to smart collections icons [r=ranbena]
Bumping manifests a=b2g-bump