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

========

https://hg.mozilla.org/integration/gaia-central/rev/4a65d1701544
Author: Dale Harvey <dale@arandomurl.com>
Desc: Bug 1062192 - Avoid race condition adding events before datastore. r=kgrandon

b2g/config/gaia.json

@@ -4,6 +4,6 @@
         "remote": "", 
         "branch": ""
     }, 
-    "revision": "ce05ad13a0c0e3af110706d635d9cec5983f6aca", 
+    "revision": "4a65d170154483d723a976506190db72ca5d6e6d", 
     "repo_path": "/integration/gaia-central"
 }