Bumping gaia.json for 1 gaia-central revision(s)

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https://hg.mozilla.org/integration/gaia-central/rev/f803d9d89864
Author: Eric O'Connor <eric@bocoup.com>
Desc: Bug 887651 - [SMS] Contact name is double escaped in Notification - r=gnarf

Removed html escaping when submitting an sms notification. The title is rendered with textContent, so there is no need to escape.

Closes gh-10682