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

========

https://hg.mozilla.org/integration/gaia-central/rev/6465db998273
Author: Douglas Sherk <github@sherk.me>
Desc: Merge pull request #23764 from tamarahills/bugfix/1060729

Bug 1060729 - Handle default outgoing call SIM set to always ask in ICE contacts. r=drs

========

https://hg.mozilla.org/integration/gaia-central/rev/463052b2ba87
Author: Tamara Hills <thills@mozilla.com>
Desc: Bug 1060729 - Handle default outgoing call SIM set to always ask in ICE contacts. r=drs

b2g/config/gaia.json

@@ -4,6 +4,6 @@
         "remote": "", 
         "branch": ""
     }, 
-    "revision": "e33cddfb7da21730bc8fe14f281465946e72a617", 
+    "revision": "6465db9982731ec95ad344901af20086ad94291f", 
     "repo_path": "/integration/gaia-central"
 }