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

========

https://hg.mozilla.org/integration/gaia-central/rev/6479aa2b65e0
Author: Fabien Cazenave <fabien@cazenave.cc>
Desc: Merge pull request #11194 from fabi1cazenave/l10nUnescape-bug898316

Bug 898316: escape \uXXXX unicode character codes in .properties files, r=Pike

========

https://hg.mozilla.org/integration/gaia-central/rev/83a0108bbb99
Author: Fabien Cazenave <fabien@cazenave.cc>
Desc: Bug 898316: escape \uXXXX character codes in .properties files