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

========

https://hg.mozilla.org/integration/gaia-central/rev/702526cfe584
Author: Sherman Chen <shamenchens@users.noreply.github.com>
Desc: Merge pull request #23545 from shamenchens/Bug1048804-FirefoxAccountDialogPosition

Bug 1048804 - Fix Firefox account dialog position, r=alive

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https://hg.mozilla.org/integration/gaia-central/rev/11ba0148c22a
Author: Sherman Chen <shamen.chens@gmail.com>
Desc: Bug 1048804 - Fix Firefox account dialog position

b2g/config/gaia.json

@@ -4,6 +4,6 @@
         "remote": "", 
         "branch": ""
     }, 
-    "revision": "785644e8fc33e5bf21dc1f2dd8e0968ee3387725", 
+    "revision": "702526cfe5841441de4c92487805073b661cbcda", 
     "repo_path": "/integration/gaia-central"
 }