Bumping gaia.json for 2 gaia-central revision(s)

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https://hg.mozilla.org/integration/gaia-central/rev/3d32636d7bda
Author: Gregor Wagner <anygregor@gmail.com>
Desc: Merge pull request #12087 from gregorwagner/mute

Bug 898261 - [Buri][LockScreen]The icons display abnormally on lock screen. r=yurenju

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https://hg.mozilla.org/integration/gaia-central/rev/146a305e4997
Author: Gregor Wagner <anygregor@gmail.com>
Desc: Bug 898261 - [Buri][LockScreen]The icons display abnormally on lock screen.