Bumping gaia.json for 1 gaia revision(s) a=gaia-bump

========

https://hg.mozilla.org/integration/gaia-central/rev/709bc0faabfe
Author: Simarpreet Singh <simar@linux.com>
Desc: Bug 1125098 - Removing references to xml_output. r=dhunt

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "3cbc7b55fabad15c276b8787f0861bffd932c5ce", 
+        "git_revision": "fe0d03f56dbca9edc6fa582399a898a0cc7f545c", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "6d95556a7eb759c4d5e130400b07d9806d9ba863", 
+    "revision": "709bc0faabfebb8479bd0efdb4c422086deab9bb", 
     "repo_path": "integration/gaia-central"
 }