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

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https://hg.mozilla.org/integration/gaia-central/rev/6b0f94b457eb
Author: Arthur Chen <crh0716@gmail.com>
Desc: Merge pull request #10310 from crh0716/876335

Bug 876335 - Update additional information by HandledCall itself

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https://hg.mozilla.org/integration/gaia-central/rev/8d16cf3f9444
Author: crh0716 <crh0716@gmail.com>
Desc: Bug 876335 - Update additional information by HandledCall itself