Bumping gaia.json for 1 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/014d028c7f53
Author: Dave Hunt <dave.hunt@gmail.com>
Desc: Bug 1043718 - Add support for submitting device results to Treeherder. r=jgriffin
Bumping manifests a=b2g-bump