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

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https://hg.mozilla.org/integration/gaia-central/rev/e5f745c8317f
Author: Jan Jongboom <janjongboom@gmail.com>
Desc: Merge pull request #10129 from comoyo/lock_orientation

Bug 878010 - Lock screen orientation for whole phone with item in quick settings. r=alive

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https://hg.mozilla.org/integration/gaia-central/rev/28c168b24460
Author: Jan Jongboom <janjongboom@gmail.com>
Desc: Bug 878010 - Lock screen orientation for whole phone