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

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https://hg.mozilla.org/integration/gaia-central/rev/9fb97b9e9aad
Author: Dale  Harvey <dale@arandomurl.com>
Desc: Merge pull request #11895 from cctuan/907056

Bug 907056 - it will prompt "save video"repeatedly after exit fullscreen when you long press screen repeatedly. r=daleharvey

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https://hg.mozilla.org/integration/gaia-central/rev/1c27f015f972
Author: cctuan <georgeiscoming@gmail.com>
Desc: Bug 907056 - it will prompt save video repeatedly after exit fullscreen when you long press screen repeatedly