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

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https://hg.mozilla.org/integration/gaia-central/rev/96e8482e036f
Author: Arthur Chen <crh0716@gmail.com>
Desc: Merge pull request #11518 from crh0716/886002

Bug 886002 - Reset the stack bar everytime we are trying to refresh it r=evelyn

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https://hg.mozilla.org/integration/gaia-central/rev/780f28b582ee
Author: crh0716 <crh0716@gmail.com>
Desc: Bug 886002 - Reset the stack bar everytime we are trying to refresh it