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

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https://hg.mozilla.org/integration/gaia-central/rev/fbfd126487c6
Author: Ryan VanderMeulen <ryanvm@gmail.com>
Desc: Merge pull request #27730 from birtles/fix-statusbar-final

Bug 1118361 - Detect end of status bar fade using transition events instead of comparing computed style; r=cwiiis

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https://hg.mozilla.org/integration/gaia-central/rev/f82a83ee8cc5
Author: Brian Birtles <birtles@gmail.com>
Desc: Bug 1118361 - Detect end of status bar fade using transition events instead of comparing computed style; r=cwiiis

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "03a38bd5255747a06c276029bceb61dcd6f5568b", 
+        "git_revision": "57b455f62bdac4b614b9135123dc7ef896df4833", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "b0dc9cc6fb66c8e1e6c5c98a804b91b501047fd4", 
+    "revision": "fbfd126487c6080d308f703d5e0818f130e2868b", 
     "repo_path": "integration/gaia-central"
 }