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

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https://hg.mozilla.org/integration/gaia-central/rev/c0d86bd82a03
Author: Eli Perelman <eli@eliperelman.com>
Desc: Merge pull request #26918 from eliperelman/bug-1088131

Bug 1088131 - Adding new raptor performance tests

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https://hg.mozilla.org/integration/gaia-central/rev/3f3edf2b503a
Author: Eli Perelman <eli@eliperelman.com>
Desc: Bug 1088131 - Adding new raptor performance tests

b2g/config/gaia.json

@@ -4,6 +4,6 @@
         "remote": "", 
         "branch": ""
     }, 
-    "revision": "b9f7d6b832ffb745298331c0aa182bdb2dbde4f4", 
+    "revision": "c0d86bd82a03eb99343e4746ce0d2bba5ff4c8de", 
     "repo_path": "integration/gaia-central"
 }