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

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https://hg.mozilla.org/integration/gaia-central/rev/c2486bc0cb3f
Author: Mihai Cîrlănaru <mihai@cirlanaru.com>
Desc: Merge pull request #11239 from mcirlanaru/bug_882909

Bug 882909 - [FTU] Don't overlap progress bar with WiFi hotspot entries. r=@fcampo

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https://hg.mozilla.org/integration/gaia-central/rev/e166edb3115d
Author: Mihai Cirlanaru <mihai@cirlanaru.com>
Desc: Bug 882909 - [FTU] Don't overlap progress bar with WiFi hotspot entries. r=fcampo