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

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https://hg.mozilla.org/integration/gaia-central/rev/829b82526820
Author: Jared Hirsch <ohai@6a68.net>
Desc: Merge pull request #21501 from 6a68/bug-1032938-use-fmd-prod-servers

Bug 1032938 - Point find my device at production servers (resubmitted). ...

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https://hg.mozilla.org/integration/gaia-central/rev/2bd60994cb94
Author: Jared Hirsch <ohai@6a68.net>
Desc: Bug 1032938 - Point find my device at production servers (resubmitted). r=arthurcc,ggp
Bumping manifests a=b2g-bump