Bumping gaia.json for 2 gaia-central revision(s)

========

https://hg.mozilla.org/integration/gaia-central/rev/a1c1f6a82005
Author: Ben Kelly <bkelly@mozilla.com>
Desc: Merge pull request #11954 from wanderview/settings-ignore-network-json

Bug 913035: add network.json to .gitignore - r=me

========

https://hg.mozilla.org/integration/gaia-central/rev/8b2361a04fb1
Author: Ben Kelly <ben@wanderview.com>
Desc: Bug 913035: add network.json to .gitignore