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

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https://hg.mozilla.org/integration/gaia-central/rev/a02b3256fc6c
Author: gasolin <gasolin@gmail.com>
Desc: Merge pull request #13458 from gasolin/issue-930306

Bug 930306 - [Flatfish][System] system wrongly change the orientation ca..., r=alive

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https://hg.mozilla.org/integration/gaia-central/rev/225aa4cd6849
Author: gasolin <gasolin@gmail.com>
Desc: Bug 930306 - [Flatfish][System] system wrongly change the orientation cause homescreen grid get wrong width

b2g/config/gaia.json

@@ -1,4 +1,4 @@
 {
-    "revision": "fcfa04f8cba9a6873c84690d3ed5dad31b625df2", 
+    "revision": "a02b3256fc6ca265381144efd5660a8fb21c4d16", 
     "repo_path": "/integration/gaia-central"
 }