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

========

https://hg.mozilla.org/integration/gaia-central/rev/290ea329dd2a
Author: Timothy Guan-tin Chien <timdream@gmail.com>
Desc: Merge pull request #16684 from timdream/keyboard2-keyboard

Bug 975966 - [keyboard refactor] Convert suggestions.js to instantiable pattern, r=rudyl

========

https://hg.mozilla.org/integration/gaia-central/rev/bac24c34837a
Author: Timothy Guan-tin Chien <timdream@gmail.com>
Desc: Bug 975966 - [keyboard refactor] Convert suggestions.js to instantiable pattern

b2g/config/gaia.json

@@ -4,6 +4,6 @@
         "branch": "", 
         "revision": ""
     }, 
-    "revision": "ade2ad496f35096321b97eef4b1544270cbb9334", 
+    "revision": "290ea329dd2a9273673833eaa95c0f9feb53cdc9", 
     "repo_path": "/integration/gaia-central"
 }