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

========

https://hg.mozilla.org/integration/gaia-central/rev/c256f5cfc46c
Author: Timothy Guan-tin Chien <timdream@gmail.com>
Desc: Bug 999675 - Disable bookmark/test/unit/activity_handler_test.js | activity_handler.js > Adding and updating bookmarks > The new bookmark has been added correctly, r=testonly

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "fee2b474b73df1433141caf73bdb0dc840933a73", 
+        "git_revision": "94cc99aac11339e297da186ec7153ca4ae9ab8cd", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "c0184aaf74671c302f020e6e13a24a6a9e00a9f4", 
+    "revision": "c256f5cfc46cacc56bdd4d5557d48c49d51b5221", 
     "repo_path": "integration/gaia-central"
 }