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

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https://hg.mozilla.org/integration/gaia-central/rev/e4abe73da1d3
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Revert "Bug 1048792 - Don't autocorrect if first suggestion has different length (counting alpha chars) than input"

This reverts commit ff96a8c41a26f99d7e887fa364d5d97af30a3e1c.
Bumping manifests a=b2g-bump