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

========

https://hg.mozilla.org/integration/gaia-central/rev/e20944556ca1
Author: Arthur Chen <crh0716@gmail.com>
Desc: Merge pull request #23762 from crh0716/1061532

Bug 1061532 - Only set the category of a newly apn item to custom when restoring from a custom apn setting r=eragonj

========

https://hg.mozilla.org/integration/gaia-central/rev/82191c3c66e1
Author: Arthur Chen <crh0716@gmail.com>
Desc: Bug 1061532 - Only set the category of a newly apn item to custom when restoring from a custom apn setting

========

https://hg.mozilla.org/integration/gaia-central/rev/c651957564bf
Author: Jose M. Cantera <jmcanterafonseca@gmail.com>
Desc: Merge pull request #24053 from jmcanterafonseca/fix_settings_tap

Bug 1058449 - Tapping on the settings button in contacts doesn't have an...

========

https://hg.mozilla.org/integration/gaia-central/rev/3a9414794aaf
Author: Jose M. Cantera <jmcanterafonseca@gmail.com>
Desc: Bug 1058449 - Tapping on the settings button in contacts doesn't have any effect

b2g/config/gaia.json

@@ -4,6 +4,6 @@
         "remote": "", 
         "branch": ""
     }, 
-    "revision": "539d09ea989806d9f0588765facd8b12f3920581", 
+    "revision": "e20944556ca170dc5ef1d261a7efcc7b9fc938fa", 
     "repo_path": "/integration/gaia-central"
 }