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

========

https://hg.mozilla.org/integration/gaia-central/rev/0e80021034fe
Author: James Burke <jrburke@gmail.com>
Desc: Merge pull request #26429 from jrburke/bug1102554-email-update-sig-button

Bug 1102554 - [Email][Signature] Email signature preview does not update in initial setup r=asuth

========

https://hg.mozilla.org/integration/gaia-central/rev/d2fc07f8ca86
Author: jrburke <jrburke@gmail.com>
Desc: Bug 1102554 - [Email][Signature] Email signature preview does not update in initial setup

b2g/config/gaia.json

@@ -4,6 +4,6 @@
         "remote": "", 
         "branch": ""
     }, 
-    "revision": "a378b9d1db687e0e65d33270a4880a7911a063a9", 
+    "revision": "0e80021034feacaa266c1d6a5ddf0f22af3d4c07", 
     "repo_path": "integration/gaia-central"
 }