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

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https://hg.mozilla.org/integration/gaia-central/rev/a39211f0a54f
Author: Ben Kelly <bkelly@mozilla.com>
Desc: Merge pull request #15280 from rsajdok/909201

Bug 909201: Editing names doesn't update properly. r=bkelly

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https://hg.mozilla.org/integration/gaia-central/rev/e8823b3b1300
Author: Robert Sajdok <robert.sajdok@gmail.com>
Desc: Bug 909201: Editing names doesn't update properly.

b2g/config/gaia.json

@@ -4,6 +4,6 @@
         "branch": "", 
         "revision": ""
     }, 
-    "revision": "67a7e41357acf13f3abcd3665dffee0d8cdf9b2b", 
+    "revision": "a39211f0a54fbe8a95a8a5db3ceac4901e9ff307", 
     "repo_path": "/integration/gaia-central"
 }