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

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https://hg.mozilla.org/integration/gaia-central/rev/4588660e7835
Author: Fernando Jiménez Moreno <ferjmoreno@gmail.com>
Desc: Merge pull request #23077 from jpruden92/bug1030631-comm

Bug 1030631 - [Dialer] Text not aligned when matches are more than 1 if contact has long name. r=rik

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https://hg.mozilla.org/integration/gaia-central/rev/8aab05928e9a
Author: jprudencio <jpruden92@gmail.com>
Desc: Bug 1030631 - [Dialer] Text not aligned when matches are more than 1 if contact has long name. r=rik

b2g/config/gaia.json

@@ -4,6 +4,6 @@
         "remote": "", 
         "branch": ""
     }, 
-    "revision": "d43b2e2dba496f624d62c1b72a22dc5e34953fbd", 
+    "revision": "4588660e78350efb513e086f6949ff4e0b7fc39f", 
     "repo_path": "/integration/gaia-central"
 }