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

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https://hg.mozilla.org/integration/gaia-central/rev/e8ded466224d
Author: George <georgeiscoming@gmail.com>
Desc: Merge pull request #11293 from cctuan/898294

Bug 898294 - [Gallery] Statusbar show when switching from camera app to gallery

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https://hg.mozilla.org/integration/gaia-central/rev/f71ce1382d07
Author: cctuan <georgeiscoming@gmail.com>
Desc: Bug 898294 - [Gallery] Statusbar show when switching from camera app to gallery