Bumping gaia.json for 4 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/e1dc6aae8ae2
Author: Fernando Jiménez Moreno <ferjmoreno@gmail.com>
Desc: Merge pull request #22084 from ferjm/bug1037662.fxa.systemdialog

Bug 1037662 - Grant Firefox Accounts (FxA) access to web payment provide...

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https://hg.mozilla.org/integration/gaia-central/rev/ca3c3ee96e80
Author: Fernando Jiménez <ferjmoreno@gmail.com>
Desc: Bug 1037662 - Grant Firefox Accounts (FxA) access to web payment providers. r=alive

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https://hg.mozilla.org/integration/gaia-central/rev/d0abe585af6a
Author: vingtetun <21@vingtetun.org>
Desc: Merge pull request #22212 from vingtetun/container-no-failures

Bug 1042744 - Add a container around app window iframe. r=alive

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https://hg.mozilla.org/integration/gaia-central/rev/4509084a3083
Author: Vivien Nicolas <vnicolas@mozilla.com>
Desc: Bug 1042744 - Add a container around app window iframe. r=alive

b2g/config/gaia.json

@@ -4,6 +4,6 @@
         "remote": "", 
         "branch": ""
     }, 
-    "revision": "ae10a86027a2b1ac5142d15ba7dd4272cd6baf80", 
+    "revision": "e1dc6aae8ae2b4ca14fc471944a7e0a40bf32281", 
     "repo_path": "/integration/gaia-central"
 }