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

========

https://hg.mozilla.org/integration/gaia-central/rev/8547bf51868f
Author: James Lal <james@lightsofapollo.com>
Desc: Merge pull request #11995 from bobsilverberg/settings_bluetooth_test

Bug 917946 - Add Gaia-marionette tests for the settings app

========

https://hg.mozilla.org/integration/gaia-central/rev/6eedcfd6ddca
Author: Bob Silverberg <bob.silverberg@gmail.com>
Desc: Bug 917946 - Add Gaia-marionette tests for the settings app
Create base app object
Create settings app object
Create bluetooth and do not track panel regions
Create sample tests for bluetooth and do not track settings