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

========

https://hg.mozilla.org/integration/gaia-central/rev/133dbad8b5da
Author: Jose M. Cantera <jmcanterafonseca@gmail.com>
Desc: Merge pull request #23941 from jmcanterafonseca/fix_custom_tag

Bug 1062814 - [Contact][Refresh follow up] Label menu button are not in ...

========

https://hg.mozilla.org/integration/gaia-central/rev/4e270cb6c4c9
Author: Jose M. Cantera <jmcanterafonseca@gmail.com>
Desc: Bug 1062814 - [Contact][Refresh follow up] Label menu button are not in the right position and size

b2g/config/gaia.json

@@ -4,6 +4,6 @@
         "remote": "", 
         "branch": ""
     }, 
-    "revision": "51bb0dde2b9800784dc6b4688eb8108aa18de765", 
+    "revision": "133dbad8b5da4ef5483a0aeca3c7f4ca80b32f9f", 
     "repo_path": "/integration/gaia-central"
 }