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

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https://hg.mozilla.org/integration/gaia-central/rev/cb867d2d85ee
Author: Arthur Chen <crh0716@gmail.com>
Desc: Merge pull request #11521 from crh0716/905045

Bug 905045 - Remove 'bluetooth-authorize' system message from the manifest r=evelyn

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https://hg.mozilla.org/integration/gaia-central/rev/95c938360522
Author: crh0716 <crh0716@gmail.com>
Desc: Bug 905045 - Remove 'bluetooth-authorize' system message from the manifest