Bumping gaia.json for 3 gaia revision(s) a=gaia-bump

========

https://hg.mozilla.org/integration/gaia-central/rev/2344d600fc81
Author: James Burke <jrburke@gmail.com>
Desc: Merge pull request #19574 from jrburke/bug1010701-email-multi-attach-lmk

Bug 1010701 - [Tarako][Email][LMK] Email gets killed when attach multiple files to a mail r=asuth

========

https://hg.mozilla.org/integration/gaia-central/rev/5be930fc2321
Author: jrburke <jrburke@gmail.com>
Desc: Bug 1010701 - [Tarako][Email][LMK] Email gets killed when attach multiple files to a mail

========

https://hg.mozilla.org/integration/gaia-central/rev/724bf028440e
Author: gasolin <gasolin@gmail.com>
Desc: Revert "Merge pull request #18767 from gasolin/issue-973445"

This reverts commit bc203f87fe03416a4c5cd7aacef65642f8200899, reversing
changes made to ecd2547a626408307aea7cf83ad7aa237f7c8835.

b2g/config/gaia.json

@@ -4,6 +4,6 @@
         "remote": "", 
         "branch": ""
     }, 
-    "revision": "a9dab91a7f8c689318d6b995c71d4a811ce7e0ef", 
+    "revision": "2344d600fc81e5f95534dec9cbc73b7360f1dab1", 
     "repo_path": "/integration/gaia-central"
 }