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

========

https://hg.mozilla.org/integration/gaia-central/rev/73a88b32b0eb
Author: Salvador de la Puente González <neo.salvador@gmail.com>
Desc: Merge pull request #25574 from lodr/bug-1078384-move-mms-label

Bug 1078384 - [MMS] Move MMS label to appear always at the end of the subject line

========

https://hg.mozilla.org/integration/gaia-central/rev/70a268f88e8f
Author: Salvador de la Puente <salva@unoyunodiez.com>
Desc: Bug 1078384 - [MMS] Move MMS label to appear always at the end of the subject line

b2g/config/gaia.json

@@ -4,6 +4,6 @@
         "remote": "", 
         "branch": ""
     }, 
-    "revision": "f40e9098d36562bb8a8c53120a92fcc0b9252dfa", 
+    "revision": "73a88b32b0eb212b033743d708ebeaeebe31e659", 
     "repo_path": "integration/gaia-central"
 }