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

========

https://hg.mozilla.org/integration/gaia-central/rev/e5cd6f6ff1a5
Author: autolander <bug.autolander@gmail.com>
Desc: Bug 1143636 - merge pull request #28941 from mnjul:bug_1143636_wordlistconverter_variable_freq to mozilla-b2g:master

========

https://hg.mozilla.org/integration/gaia-central/rev/ea0cc625c704
Author: John Lu [:mnjul] <jlu@mozilla.com>
Desc: Bug 1143636 - Allow word_list_converter.js to accpet variable word frequency information

- WordListConverter constructor accepts array of words, or array of {w: word, f: freq} objects

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "3e3989820c47e611b81e4ed9a6d4b5a6912bf8db", 
+        "git_revision": "dddd567dbe2ab3a355e3091eda3c04d3d00509d8", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "9637789b987cf0534e0828e8fc61ae5b189b08a2", 
+    "revision": "e5cd6f6ff1a53624d8015476f5a7430206d67d44", 
     "repo_path": "integration/gaia-central"
 }