Bug 875934 - Moar fixups post backout of bug 870676 \o/
Bumping gaia.json for 1 gaia-central revision(s)

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https://hg.mozilla.org/integration/gaia-central/rev/7db3c28d7056
Author: cctuan <georgeiscoming@gmail.com>
Desc: Bug 903913 - [Flatfish]Need script to detect device type for reuse in shared folder
Merge mozilla-central and b2g-inbound