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

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https://hg.mozilla.org/integration/gaia-central/rev/b7232a368264
Author: Salvador de la Puente González <neo.salvador@gmail.com>
Desc: Merge pull request #28067 from lodr/bug-1126538-insert-at-cursor

Bug 1126538 - [Dialer][Text Selection] Pressing a key in the dialer always adds the digit at the end of the current number instead of inserting it at the caret position.
r=gsvelto

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https://hg.mozilla.org/integration/gaia-central/rev/3099362cdc91
Author: Salvador de la Puente <salva@unoyunodiez.com>
Desc: Bug 1126538 - [Dialer][Text Selection] Pressing a key in the dialer always adds the digit at the end of the current number instead of inserting it at the caret position.

Conflicts:
	shared/js/dialer/keypad.js

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https://hg.mozilla.org/integration/gaia-central/rev/6f19cc475bda
Author: autolander <bug.autolander@gmail.com>
Desc: Bug 1132775 - merge pull request #28199 from shamenchens:Bug1132775-FixLocalizedElements to mozilla-b2g:master

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https://hg.mozilla.org/integration/gaia-central/rev/17954fab5d07
Author: Sherman Chen <shamen.chens@gmail.com>
Desc: Bug 1132775 - Fix tv shared utils localizedElements

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "570a14c6e17090d67388e8eb1f674145e160ba1f", 
+        "git_revision": "4cc37823802317731b25e0e4f36ebf691b97679e", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "12ede6777dadf6d36efb42ede0257c4b2b2228e2", 
+    "revision": "b7232a3682641cc6d80f0cef5d7ff7767c0bea4a", 
     "repo_path": "integration/gaia-central"
 }