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

========

https://hg.mozilla.org/integration/gaia-central/rev/be7b9a0cc966
Author: Ran Ben Aharon <ran@everything.me>
Desc: Merge pull request #11484 from EverythingMe/bugfix-analytics

Bug 904087 - Analytics not being reported [r=gregor]

========

https://hg.mozilla.org/integration/gaia-central/rev/c9c655519d38
Author: Ran Ben Aharon <ran@ranbena.com>
Desc: Bug 904087 - Analytics not being reported [r=gregor]