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

========

https://hg.mozilla.org/integration/gaia-central/rev/3afc00bde3c5
Author: Pavel Ivanov <pivanov@mozilla.com>
Desc: Merge pull request #22986 from pivanov/bug-1035674

Bug 1035674 - [Dialer] - check missing images r=drs

========

https://hg.mozilla.org/integration/gaia-central/rev/01c0c610519e
Author: Pavel Ivanov <pivanov@mozilla.com>
Desc: Bug 1035674 - [Dialer] - check missing images

b2g/config/gaia.json

@@ -4,6 +4,6 @@
         "remote": "", 
         "branch": ""
     }, 
-    "revision": "707b58970f260d4278470e5d90d92abc18092aa4", 
+    "revision": "3afc00bde3c59d37d220927a1268d856acc75284", 
     "repo_path": "/integration/gaia-central"
 }