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

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https://hg.mozilla.org/integration/gaia-central/rev/2a8ef6ee961f
Author: Staś Małolepszy <stas@mozilla.com>
Desc: Merge pull request #32049 from stasm/1208369-mock_l20n

Bug 1208369 - Add mock_l20n.js. r=gandalf

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https://hg.mozilla.org/integration/gaia-central/rev/af62edb7f7ff
Author: Staś Małolepszy <stas@mozilla.com>
Desc: Bug 1208369 - Add mock_l20n.js. r=gandalf

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https://hg.mozilla.org/integration/gaia-central/rev/94039b386a44
Author: Martijn <martijn.martijn@gmail.com>
Desc: Merge pull request #32029 from mwargers/1207646

Bug 1207646 - Fix failure in test_delete_call_log.py

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https://hg.mozilla.org/integration/gaia-central/rev/3561400a99bf
Author: Martijn Wargers <mwargers@mozilla.com>
Desc: Bug 1207646 - Fix failure in test_delete_call_log.py

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "b06e8116a5cf83289a27cce91687e092ed5bd17e", 
+        "git_revision": "3b42b4977273587fa86bc95afda471087eeeb545", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "f4792c8c5ff70add4cee36de9cd3ac843fabbadd", 
+    "revision": "2a8ef6ee961ff700370928148572c97c1b27f30a", 
     "repo_path": "integration/gaia-central"
 }