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

========

https://hg.mozilla.org/integration/gaia-central/rev/0667f878402b
Author: Sam Foster <sam@sam-i-am.com>
Desc: Merge pull request #27987 from sfoster/ftu-rtl-switches-bug-1010615

Bug 1010615 - Fix RTL FTU toggle-switches. r=fcampo a=bajaj

========

https://hg.mozilla.org/integration/gaia-central/rev/66967e5a4221
Author: Sam Foster <sfoster@mozilla.com>
Desc: Bug 1010615 - Fix RTL FTU toggle-switches. r=fcampo a=bajaj

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "53d81870dc547fa57b915b06457142e4ee1051b2", 
+        "git_revision": "bbc853ff4d1bffad41d19bb47e066e3ba21c6709", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "ef1a423ce3510483f77be2befc58928190aefad2", 
+    "revision": "0667f878402b02c8a35f5fd254278613c6cb1ecc", 
     "repo_path": "integration/gaia-central"
 }