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

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https://hg.mozilla.org/integration/gaia-central/rev/2f5576bf01a6
Author: Hubert Figuière <hub@figuiere.net>
Desc: Merge pull request #17092 from hfiguiere/bug980972

Bug 980972 - assert if we actually timeout. r=julienw

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https://hg.mozilla.org/integration/gaia-central/rev/413d2958dbe0
Author: Hubert Figuière <hub@figuiere.net>
Desc: Bug 980972 - Report a ScriptTimeout the error and have the test deal with it. r=julienw

b2g/config/gaia.json

@@ -4,6 +4,6 @@
         "remote": "", 
         "branch": ""
     }, 
-    "revision": "e2352010e27103cee078068378640e2f21d63d56", 
+    "revision": "2f5576bf01a60112b373808932a3accf2bd129c8", 
     "repo_path": "/integration/gaia-central"
 }