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

========

https://hg.mozilla.org/integration/gaia-central/rev/fe8bc669500d
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Bug 1116128 - Disable intermittent edges_gesture_test.js | Edges gesture > Swiping vertically

b2g/config/gaia.json

@@ -4,6 +4,6 @@
         "remote": "", 
         "branch": ""
     }, 
-    "revision": "9a6d4a23d609f42fc6cb91ea7979a57af1de5e06", 
+    "revision": "fe8bc669500de4e81dc5e1e0ef4e044222bdbeaa", 
     "repo_path": "integration/gaia-central"
 }