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

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https://hg.mozilla.org/integration/gaia-central/rev/207ea09faee3
Author: Miller Medeiros <miller@millermedeiros.com>
Desc: Merge pull request #20641 from millermedeiros/1023777-account-warning

Bug 1023777 - [B2G][Calendar] Account warning icon is bigger than it should r=gaye

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https://hg.mozilla.org/integration/gaia-central/rev/745db4eb1bc3
Author: Miller Medeiros <miller@millermedeiros.com>
Desc: Bug 1023777 - [B2G][Calendar] Account warning icon is bigger than it should

b2g/config/gaia.json

@@ -4,6 +4,6 @@
         "remote": "", 
         "branch": ""
     }, 
-    "revision": "bb7c89814cf024d61b030e8c7302c74be02e097c", 
+    "revision": "207ea09faee39da936f13a4cf74c7fa879ac1137", 
     "repo_path": "/integration/gaia-central"
 }