Bumping gaia.json for 1 gaia-central revision(s)

========

https://hg.mozilla.org/integration/gaia-central/rev/bae1c0012a1b
Author: Mike Pennisi <mike@mikepennisi.com>
Desc: Bug 905260 - [messages] padding issues in the recipient panel r=julienw

Decrease spacing between header and first row of recipients. Address
alignment differences between "unassimilated" (i.e. non-contenteditable)
recipients and "assimilated" recipients.

b2g/config/gaia.json

@@ -1,4 +1,4 @@
 {
-    "revision": "22eff91468d811abc63ea6124c6beefd9a56a964", 
+    "revision": "bae1c0012a1b01908cb4eae844f4748b90e5914b", 
     "repo_path": "/integration/gaia-central"
 }