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

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https://hg.mozilla.org/integration/gaia-central/rev/a5c9673e89d2
Author: Dale  Harvey <dale@arandomurl.com>
Desc: Merge pull request #11546 from cctuan/904731

Bug 904731 - [browser] text entered into search bar containing dot (.) should not be treated as url address if it has whitespaces. r=daleharvey

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https://hg.mozilla.org/integration/gaia-central/rev/58b06bdcef60
Author: cctuan <georgeiscoming@gmail.com>
Desc: Bug 904731 - [browser] text entered into search bar containing dot (.) should not be treated as url address if it has whitespaces

b2g/config/gaia.json

@@ -1,4 +1,4 @@
 {
-    "revision": "a183b055417d036b01e177750ab2ec6162d6fcd7", 
+    "revision": "a5c9673e89d2360550de1a1e67cc5de6fb235c61", 
     "repo_path": "/integration/gaia-central"
 }