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

========

https://hg.mozilla.org/integration/gaia-central/rev/f71cd6439c07
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Merge pull request #19913 from KevinGrandon/bug_1019388_collections_bookmarking

Bug 1019388 - [Collections] Enable bookmarking for results

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https://hg.mozilla.org/integration/gaia-central/rev/1496bb3dd756
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Bug 1019388 - [Collections] Enable bookmarking for results r=amirn

b2g/config/gaia.json

@@ -4,6 +4,6 @@
         "remote": "", 
         "branch": ""
     }, 
-    "revision": "625cb7376428f0f9bb6617d6623960014b0ec4c9", 
+    "revision": "f71cd6439c072910728ee06b7c568f260e6aa49c", 
     "repo_path": "/integration/gaia-central"
 }