Bumping gaia.json for 4 gaia revision(s) a=gaia-bump

========

https://hg.mozilla.org/integration/gaia-central/rev/a0ddf3a642b7
Author: Rudy Lu <me@rudy.lu>
Desc: Merge pull request #18741 from RudyLu/keyboard/Bug985331-longpress_dismiss_keyboard

Bug 985331 - [Keyboard UX update][User Story] Long press spacebar to
r=timdream.

========

https://hg.mozilla.org/integration/gaia-central/rev/665195e10756
Author: Rudy Lu <me@rudy.lu>
Desc: Bug 985331 - [Keyboard UX update][User Story] Long press spacebar to
dismiss keyboard.
 - Remove the swipe-to-dimiss feature and tutorial screen.
 - Add integration test for keyboard dimiss.

========

https://hg.mozilla.org/integration/gaia-central/rev/231edadfc325
Author: Carmen Jiménez <cjc@tid.es>
Desc: Merge pull request #18187 from mcjimenez/bug923452

Bug 923452 - SV: Maximum length of SMS to convert to MMS customization by SIM

========

https://hg.mozilla.org/integration/gaia-central/rev/01c009282c0d
Author: Carmen Jimenez Cabezas <cjc@tid.es>
Desc: Bug 923452 - SV: Maximum length of SMS to convert to MMS customization by SIM

b2g/config/gaia.json

@@ -4,6 +4,6 @@
         "remote": "", 
         "branch": ""
     }, 
-    "revision": "cfa12990d5855db2dcd46c433717ec965b8cde19", 
+    "revision": "a0ddf3a642b7feffd03b17f3bbc27deba76f9b31", 
     "repo_path": "/integration/gaia-central"
 }