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

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https://hg.mozilla.org/integration/gaia-central/rev/446e8e49d9f8
Author: autolander <bug.autolander@gmail.com>
Desc: Bug 1082993 - merge pull request #25261 from gasolin:issue-1082993 to mozilla-b2g:master

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https://hg.mozilla.org/integration/gaia-central/rev/2c038ca592de
Author: gasolin <gasolin@gmail.com>
Desc: Bug 1082993 - [settings] refactor Developer panel with AMD pattern +autoland

b2g/config/gaia.json

@@ -4,6 +4,6 @@
         "remote": "", 
         "branch": ""
     }, 
-    "revision": "01728260796284bf5f1f648138174dce1c95c194", 
+    "revision": "446e8e49d9f8ca22933620fdf40a84c01bc319fb", 
     "repo_path": "integration/gaia-central"
 }