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

========

https://hg.mozilla.org/integration/gaia-central/rev/e2bcecc1a778
Author: Carsten Book <tomcat@mozilla.com>
Desc: Merge pull request #19690 from tauzen/Bug1016377

Bug 1016377 - [NFC] NfcManager.handleTechnologyDiscovered should properly handle malformed messages, r=alive

========

https://hg.mozilla.org/integration/gaia-central/rev/26786a0063ae
Author: Krzysztof Mioduszewski <kmioduszewski@gmail.com>
Desc: Bug 1016377 - [NFC] NfcManager.handleTechnologyDiscovered should properly handle malformed messages

b2g/config/gaia.json

@@ -4,6 +4,6 @@
         "remote": "", 
         "branch": ""
     }, 
-    "revision": "597e9db6ec1f3a8ee23d399194004d6e53f30131", 
+    "revision": "e2bcecc1a7783d93cda15d9b91c57085ef2a37bc", 
     "repo_path": "/integration/gaia-central"
 }