Bumping gaia.json for 2 gaia revision(s) a=gaia-bump

========

https://hg.mozilla.org/integration/gaia-central/rev/bb883e4e18ab
Author: Rudy Lu <me@rudy.lu>
Desc: Merge pull request #25072 from RudyLu/keyboard/bug1077124

Bug 1077124 - [Contacts] Number pad keyboard remains visible...
r=timdream.

========

https://hg.mozilla.org/integration/gaia-central/rev/ce8c94635a26
Author: Rudy Lu <me@rudy.lu>
Desc: Bug 1077124 - [Contacts] Number pad keyboard remains visible when
switching from phone number field to name field.
 - Should not clear dataPromise while the switchCurrentIMEngine call is
   not complete.

b2g/config/gaia.json

@@ -4,6 +4,6 @@
         "remote": "", 
         "branch": ""
     }, 
-    "revision": "cad443c88697d0131b94c14c1d418ee539d47e5d", 
+    "revision": "bb883e4e18ab8f137edc9b4cca1c85f3b2a83a83", 
     "repo_path": "/integration/gaia-central"
 }