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

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https://hg.mozilla.org/integration/gaia-central/rev/d544b71d76c1
Author: Ben Francis <ben@tola.me.uk>
Desc: Merge pull request #10520 from daleharvey/814490

Bug 814490 - Remove title from bookmark screen r=benfrancis

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https://hg.mozilla.org/integration/gaia-central/rev/3f4bb3764de3
Author: Dale Harvey <dale@arandomurl.com>
Desc: Bug 814490 - Remove title from bookmark screen