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

========

https://hg.mozilla.org/integration/gaia-central/rev/a75650772c73
Author: Fabien Cazenave <fabien@cazenave.cc>
Desc: Merge pull request #10727 from fabi1cazenave/wifiSuspended-bug885647

bug 885647: wifi.suspended is not inverse of wifi.enabled, r=kaze

========

https://hg.mozilla.org/integration/gaia-central/rev/4f201f641d3d
Author: Vasanthakumar (Vasanth) Pandurangan <vasanth@codeaurora.org>
Desc: bug 885647: wifi.suspended is not inverse of wifi.enabled, r=kaze