Bumping gaia.json for 2 gaia-central revision(s)

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https://hg.mozilla.org/integration/gaia-central/rev/c7fc2c93d589
Author: Yuren Ju <yurenju@gmail.com>
Desc: Merge pull request #10996 from yurenju/bug887164

Bug 887164: Added WBMP support for SMIL r=steveck-chung

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https://hg.mozilla.org/integration/gaia-central/rev/e06e0956d818
Author: Yuren Ju <yurenju@gmail.com>
Desc: Bug 887164: Added WBMP support for SMIL

b2g/config/gaia.json

@@ -1,4 +1,4 @@
 {
-    "revision": "cbe920b4ab50fd517e334b415629b7a774af0260", 
+    "revision": "c7fc2c93d5895dbf935fdccf07347a479dde7bda", 
     "repo_path": "/integration/gaia-central"
 }