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

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https://hg.mozilla.org/integration/gaia-central/rev/c37eb57eb110
Author: Arthur Chen <crh0716@gmail.com>
Desc: Merge pull request #11626 from crh0716/896376

Bug 896376 - Add a switch for enabling/disabling WAP Push r=evelyn

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https://hg.mozilla.org/integration/gaia-central/rev/676f7522d7fc
Author: Arthur Chen <crh0716@gmail.com>
Desc: Bug 896376 - Add a switch for enabling/disabling WAP Push