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

========

https://hg.mozilla.org/integration/gaia-central/rev/04300cd5ba74
Author: Chris Lord <chrislord.net@gmail.com>
Desc: Merge pull request #31345 from Cwiiis/bug1191746-new-homescreen-marionette-layout

Bug 1191746 - Port grid_layout_test.js to new homescreen. r=gmarty

========

https://hg.mozilla.org/integration/gaia-central/rev/86c6618cccb6
Author: Chris Lord <chrislord.net@gmail.com>
Desc: Bug 1191746 - Port grid_layout_test.js to new homescreen. r=gmarty

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "58540be4ca8b36f5727e1d25b301b25d96209757", 
+        "git_revision": "b1f5804a38fecbffad857ef317bff5325c38e5b7", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "8acb3b439386af8d394262031d061d33fcf49782", 
+    "revision": "04300cd5ba743011ee79b490fba6a7732f79a8a8", 
     "repo_path": "integration/gaia-central"
 }