Bumping gaia.json for 4 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/9b306b9c304c
Author: James Lal <james@lightsofapollo.com>
Desc: Merge pull request #29150 from lightsofapollo/bug-1147601

Bug 1147601 - Disable ice contacts test failures r=me

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https://hg.mozilla.org/integration/gaia-central/rev/e2774677f871
Author: James Lal <james@lightsofapollo.com>
Desc: Bug 1147601 - Disable ice contacts test failures r=me

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https://hg.mozilla.org/integration/gaia-central/rev/f91756c0e5f5
Author: James Lal <james@lightsofapollo.com>
Desc: Merge pull request #29151 from lightsofapollo/bug-1147610

Bug 1147611 - Disable ftu failures r=me

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https://hg.mozilla.org/integration/gaia-central/rev/c00589aca477
Author: James Lal <james@lightsofapollo.com>
Desc: Bug 1147611 - Disable ftu failures r=me

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "96697c77574ed54f3233c2dffd06dc9f8b74c667", 
+        "git_revision": "3d7b95ce6960f8729d80dc1268054381b37a054d", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "595dd2543bbdb7caca14e09394f9fe7abffb9fd8", 
+    "revision": "9b306b9c304c5bdd93ed9e74fbc734d1dc6bb5a8", 
     "repo_path": "integration/gaia-central"
 }