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

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https://hg.mozilla.org/integration/gaia-central/rev/04e55214d534
Author: Dale  Harvey <dale@arandomurl.com>
Desc: Merge pull request #11102 from daleharvey/825089

Bug 825089 - Display sad face for crashed tab thumbnail. r=benfrancis

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https://hg.mozilla.org/integration/gaia-central/rev/4bc1ae277196
Author: Dale Harvey <dale@arandomurl.com>
Desc: Bug 825089 - Display sad face for crashed tab thumbnail