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

========

https://hg.mozilla.org/integration/gaia-central/rev/e816aba57af2
Author: Francisco Jordano <arcturus@ardeenelinfierno.com>
Desc: Merge pull request #17288 from arcturus/bug-983777

Bug 983777 - [B2G][Contacts] Tapping the Favorite button on an imported facebook contact will break the Edit Contact button

========

https://hg.mozilla.org/integration/gaia-central/rev/55d3de7ae9ae
Author: Francisco Jordano <arcturus@ardeenelinfierno.com>
Desc: Bug 983777 - [B2G][Contacts] Tapping the Favorite button on an imported facebook contact will break the Edit Contact button

b2g/config/gaia.json

@@ -4,6 +4,6 @@
         "branch": "", 
         "revision": ""
     }, 
-    "revision": "b2b31db18703c881275325f6bc5144cffb8e1bd7", 
+    "revision": "e816aba57af217ff004e614ce8af3ce64b314c8a", 
     "repo_path": "/integration/gaia-central"
 }