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

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https://hg.mozilla.org/integration/gaia-central/rev/0c8fb462b0e3
Author: Aleh Zasypkin <aleh.zasypkin@gmail.com>
Desc: Merge pull request #32736 from azasypkin/bug-1218091-bridge-libs

Bug 1218091 - [Messages][Performance] Use optimized Bridge libraries. r=schung

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https://hg.mozilla.org/integration/gaia-central/rev/b437485f6921
Author: Aleh Zasypkin <azasypkin@mozilla.com>
Desc: Bug 1218091 - [Messages][Performance] Use optimized Bridge libraries. r=schung

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "6a8cab20288c28a8555eeb61ba7f22a4306a2d0d", 
+        "git_revision": "78f0df71c005fc2450c1b00ff411359c5fad026b", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "0d1a5871aa8412408254ba2fb7aa34e215fcbfcd", 
+    "revision": "0c8fb462b0e3c95c7ff73900939746b77ff543fa", 
     "repo_path": "integration/gaia-central"
 }