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

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https://hg.mozilla.org/integration/gaia-central/rev/feed41b8b879
Author: Dale  Harvey <dale@arandomurl.com>
Desc: Merge pull request #10475 from cctuan/863932

Bug 863932 - [B2G][Leo][Lockscreen][Camera] Camera does not work from lockscreen. r=daleharvey

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https://hg.mozilla.org/integration/gaia-central/rev/f6aed694c314
Author: gduan <gduan@mozilla.com>
Desc: Bug 863932 - [B2G][Leo][Lockscreen][Camera] Camera does not work from lockscreen with passcode