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

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https://hg.mozilla.org/integration/gaia-central/rev/bf01d5808391
Author: Andrew Sutherland <asutherland@asutherland.org>
Desc: Merge pull request #10872 from asutherland/bug_852369

Bug 852369 - [Email] Support multiple email addresses in mailto links. r=asuth

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https://hg.mozilla.org/integration/gaia-central/rev/c8788891b795
Author: Mihai Cirlanaru <mihai@cirlanaru.com>
Desc: Bug 852369 - [Email] Support multiple email addresses in mailto links. r=asuth