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

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https://hg.mozilla.org/integration/gaia-central/rev/70442e4063c9
Author: Jose M. Cantera <jmcanterafonseca@gmail.com>
Desc: Merge pull request #25174 from jmcanterafonseca/title_contacts

Bug 1079795 - We tap Cancel when contacts are deleting,all contacts are ...

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https://hg.mozilla.org/integration/gaia-central/rev/4099c006b3b5
Author: Jose M. Cantera <jmcanterafonseca@gmail.com>
Desc: Bug 1079795 - We tap Cancel when contacts are deleting,all contacts are checked,but the Contacts is displayed in title.(5/5)

b2g/config/gaia.json

@@ -4,6 +4,6 @@
         "remote": "", 
         "branch": ""
     }, 
-    "revision": "d1f4ec23aaed8c71997d914037bca2c3863a72d2", 
+    "revision": "70442e4063c9078b7f3c208de60436a487ab0c66", 
     "repo_path": "/integration/gaia-central"
 }