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

========

https://hg.mozilla.org/integration/gaia-central/rev/5d46c263ad4a
Author: Fabien Cazenave <fabien@cazenave.cc>
Desc: Merge pull request #10716 from leob2g/Bug_888818_Missing_localization_default_media_location

Bug 888818 - [Settings] missing localization of default media location popup, r=kaze

========

https://hg.mozilla.org/integration/gaia-central/rev/ce3245c8cf63
Author: hyuna.cho <hyuna.cho@lge.com>
Desc: Bug 888818 - [Settings] missing localization of default media location popup

b2g/config/gaia.json

@@ -1,4 +1,4 @@
 {
-    "revision": "519ae35c24d20cc740d53d0bb25b9be19f21315f", 
+    "revision": "5d46c263ad4ad0909f962fd885ba8a9c92a4b91c", 
     "repo_path": "/integration/gaia-central"
 }