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

========

https://hg.mozilla.org/integration/gaia-central/rev/f1f983cfb1e4
Author: Ghislain 'Aus' Lacroix <aus@noiseport.org>
Desc: Merge pull request #26646 from nullaus/bug1100842

bug 1100842 - Use solid color for dialog background like all other dialo...

========

https://hg.mozilla.org/integration/gaia-central/rev/3584cdfa49df
Author: Ghislain 'Aus' Lacroix <aus@mozilla.com>
Desc: bug 1100842 - Use solid color for dialog background like all other dialogs. r=djf

b2g/config/gaia.json

@@ -4,6 +4,6 @@
         "remote": "", 
         "branch": ""
     }, 
-    "revision": "18e16a8b3be10311e7b26ab3883693d5451ea0c9", 
+    "revision": "f1f983cfb1e42dbc6723c192f73c16bf098b6b4b", 
     "repo_path": "integration/gaia-central"
 }