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

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https://hg.mozilla.org/integration/gaia-central/rev/ba989feb2a38
Author: Arthur Chen <crh0716@gmail.com>
Desc: Merge pull request #10481 from crh0716/882095

Bug 882095 - Restart the connection only when APN related settings changed

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https://hg.mozilla.org/integration/gaia-central/rev/c3bdda6736a0
Author: crh0716 <crh0716@gmail.com>
Desc: Bug 882095 - Restart the connection only when APN related settings changed