Bumping gaia.json for 2 gaia revision(s) a=gaia-bump

========

https://hg.mozilla.org/integration/gaia-central/rev/ee1e566538ac
Author: Marcus Cavanaugh <m@mcav.com>
Desc: Merge pull request #22743 from mcav/net-end

Bug 1048487 - [email/backend] node-net.js's end() method does not actual...

========

https://hg.mozilla.org/integration/gaia-central/rev/4bdeeee90eef
Author: Marcus Cavanaugh <m@mcav.com>
Desc: Bug 1048487 - [email/backend] node-net.js's end() method does not actually close the socket. r=asuth
Bumping manifests a=b2g-bump