Bumping gaia.json for 1 gaia-central revision(s) a=gaia-bump

========

https://hg.mozilla.org/integration/gaia-central/rev/0c245e791599
Author: Zac Campbell <zcampbell@mozilla.com>
Desc: bug 937032 - Re-enable more TBPL tests r=me a=testonly

b2g/config/gaia.json

@@ -1,4 +1,4 @@
 {
-    "revision": "48b1f885ed1ffff70fe298f99e3fbe727ea8b496", 
+    "revision": "0c245e7915992520bcf0fd0644957841df0d15c8", 
     "repo_path": "/integration/gaia-central"
 }