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

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https://hg.mozilla.org/integration/gaia-central/rev/e632d346c311
Author: Jose M. Cantera <jmcanterafonseca@gmail.com>
Desc: Merge pull request #18988 from jmcanterafonseca/oauth_facebook

Bug 1003725 - [FTU-separation] Move import.html and related resources to...

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https://hg.mozilla.org/integration/gaia-central/rev/cbf4bab937ba
Author: Jose M. Cantera <jmcanterafonseca@gmail.com>
Desc: Bug 1003725 - [FTU-separation] Move import.html and related resources to shared/pages/import

b2g/config/gaia.json

@@ -4,6 +4,6 @@
         "remote": "", 
         "branch": ""
     }, 
-    "revision": "857544fb070a9c0306de2f1bffd237bbbeec7a8b", 
+    "revision": "e632d346c311e56d52fe165d3bd883a7aa56cf7f", 
     "repo_path": "/integration/gaia-central"
 }