Bumping gaia.json for 2 gaia-central revision(s)

========

https://hg.mozilla.org/integration/gaia-central/rev/d1e1683abc3c
Author: Kyle Machulis <kyle@nonpolynomial.com>
Desc: Merge pull request #12218 from qdot/uitest-fix

Bug 916081 - Fix UITest Notification Test Bind

========

https://hg.mozilla.org/integration/gaia-central/rev/3f13d4e38b05
Author: Kyle Machulis <kyle@nonpolynomial.com>
Desc: Bug 916081 - Fix UITest Notification Test Bind

b2g/config/gaia.json

@@ -1,4 +1,4 @@
 {
-    "revision": "10e2e685f748209eed0bb532763b226ca487aceb", 
+    "revision": "d1e1683abc3cbc6a191e408140616161f4958c98", 
     "repo_path": "/integration/gaia-central"
 }