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

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https://hg.mozilla.org/integration/gaia-central/rev/c452a61687ef
Author: Yuren Ju <yurenju@gmail.com>
Desc: Merge pull request #11286 from yurenju/896425

Bug 896425 - Add customization support for recording profile r=djf

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https://hg.mozilla.org/integration/gaia-central/rev/a6c838236673
Author: Yuren Ju <yurenju@gmail.com>
Desc: Bug 896425 - Add customization support for recording profile