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

========

https://hg.mozilla.org/integration/gaia-central/rev/cad64e6caa7e
Author: Dale Harvey <dale@arandomurl.com>
Desc: Bug 1011365 - Show rightmost character when URL focused. r=benfrancis
Bumping manifests a=b2g-bump