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

========

https://hg.mozilla.org/integration/gaia-central/rev/cb6a95abbbfc
Author: Jan Jongboom <janjongboom@gmail.com>
Desc: Merge pull request #12200 from comoyo/support-switch2

Bug 912951 - Send content event from gaia -> chrome with layout info for supportsSwitching. r=RudyL

========

https://hg.mozilla.org/integration/gaia-central/rev/7ee066f7051c
Author: Jan Jongboom <janjongboom@gmail.com>
Desc: Bug 912951 - Send content event from gaia -> chrome with layout info for supportsSwitching

b2g/config/gaia.json

@@ -1,4 +1,4 @@
 {
-    "revision": "0195bc779200b36cf2aa3e8dcd7d48633279f6e6", 
+    "revision": "cb6a95abbbfc5377aecb09e4b0ffa280f1841327", 
     "repo_path": "/integration/gaia-central"
 }