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

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https://hg.mozilla.org/integration/gaia-central/rev/f1d7b45b1163
Author: ochameau <poirot.alex@gmail.com>
Desc: Merge pull request #13041 from ochameau/perms

Bug 930104 - Remove localId=0 hack for the system app on firefox and correctly set permission for any app loaded in Firefox r=vingtetun

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https://hg.mozilla.org/integration/gaia-central/rev/c65507659179
Author: Alexandre Poirot <poirot.alex@gmail.com>
Desc: Bug 930104 - Remove localId=0 hack for the system app on firefox and correctly set permission for any app loaded in Firefox r=vingtetun

b2g/config/gaia.json

@@ -1,4 +1,4 @@
 {
-    "revision": "64a10d91715c2839b7cb45c92d9a9638dbf086cf", 
+    "revision": "f1d7b45b1163bdd7324e12bb7559b64123a0a2bc", 
     "repo_path": "/integration/gaia-central"
 }