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

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https://hg.mozilla.org/integration/gaia-central/rev/3cd222854474
Author: Francisco Jordano <arcturus@ardeenelinfierno.com>
Desc: Merge pull request #32472 from julienw/1213553-merging-duplicates

Bug 1213553 - Make sure Sanitizer is loaded for the merge functionali…

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https://hg.mozilla.org/integration/gaia-central/rev/b5a7d363eab0
Author: Julien Wajsberg <felash@gmail.com>
Desc: Bug 1213553 - Make sure Sanitizer is loaded for the merge functionality r=francisco

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https://hg.mozilla.org/integration/gaia-central/rev/3fd4a71a3fda
Author: Chris Lord <chrislord.net@gmail.com>
Desc: Merge pull request #32473 from Cwiiis/bug1214607-new-homescreen-empty-pinned-pages

Bug 1214607 - Add an no-pinned-pages panel state. r=gmarty

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https://hg.mozilla.org/integration/gaia-central/rev/7d7e8077b342
Author: Chris Lord <chrislord.net@gmail.com>
Desc: Bug 1214607 - Add an no-pinned-pages panel state. r=gmarty

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "7bdf4f9737b838e2312a6c115c8c4c31508eac6c", 
+        "git_revision": "bda95a30e990b4f5115fbaa6742d046285aedce7", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "928793a1be217141ecd8907825e3a453c79e8b0a", 
+    "revision": "3cd2228544740917aa34b28ada66bab03d03c9f9", 
     "repo_path": "integration/gaia-central"
 }