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

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https://hg.mozilla.org/integration/gaia-central/rev/2247606819e9
Author: Wilson Page <wilsonpage@me.com>
Desc: Merge pull request #17993 from wilsonpage/bug/991344

Bug 991344 - [B2G][Contacts][Camera]Unable to attach image from camera to contact because camera never loads

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https://hg.mozilla.org/integration/gaia-central/rev/c58233cef777
Author: Wilson Page <wilsonpage@me.com>
Desc: Bug 991344 - [B2G][Contacts][Camera]Unable to attach image from camera to contact because camera never loads

b2g/config/gaia.json

@@ -4,6 +4,6 @@
         "remote": "", 
         "branch": ""
     }, 
-    "revision": "0b432aa22cd7b936524b3f1149ba8925949df429", 
+    "revision": "2247606819e90583f61a4a3bd27c8d32f2686865", 
     "repo_path": "/integration/gaia-central"
 }