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

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https://hg.mozilla.org/integration/gaia-central/rev/bdac3547cbc0
Author: Salvador de la Puente González <salva@unoyunodiez.com>
Desc: Merge pull request #11660 from lodr/bug-898297-merging-process-stucks

Bug 898297 - Fixing the fake matching result, a convenient renaming and some related documentation added.
r=arcturus

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https://hg.mozilla.org/integration/gaia-central/rev/b9deda556ffe
Author: lodr <salva@unoyunodiez.com>
Desc: Bug 898297 - Fixing the fake matching result, a convenient renaming and some
related documentation added.

b2g/config/gaia.json

@@ -1,4 +1,4 @@
 {
-    "revision": "b9839887ce5ebc1f517796a9031283e5c6ac3d6b", 
+    "revision": "bdac3547cbc0423bcdcf3b1650be326bfd1c601f", 
     "repo_path": "/integration/gaia-central"
 }