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

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https://hg.mozilla.org/integration/gaia-central/rev/3eb2d272915c
Author: autolander <bug.autolander@gmail.com>
Desc: Bug 1141973 - merge pull request #29192 from EragonJ:bug-1141973 to mozilla-b2g:master

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https://hg.mozilla.org/integration/gaia-central/rev/4beaebecad93
Author: EragonJ <eragonj@eragonj.me>
Desc: Bug 1141973 - make sure we will update the sim security r=Arthur

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "57fade7eed933aac78af0d840cac6206f0019b34", 
+        "git_revision": "0bfa1219536af541d55d59ed00359f95a8698623", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "b78b327fdb9f9f7cf06473f1f1254a469e089b9f", 
+    "revision": "3eb2d272915c7681f329be3faf333e083b5fcf1c", 
     "repo_path": "integration/gaia-central"
 }