Bumping gaia.json for 4 gaia-central revision(s)

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https://hg.mozilla.org/integration/gaia-central/rev/80cde7ce278e
Author: Jose M. Cantera <jmcanterafonseca@gmail.com>
Desc: Merge pull request #11378 from jmcanterafonseca/align_fb_active_merge

Bug 901571 - FB Contacts must not match under different circumstances

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https://hg.mozilla.org/integration/gaia-central/rev/f11cf9fe096d
Author: Jose M. Cantera <jmcanterafonseca@gmail.com>
Desc: Bug 901571 - FB Contacts must not match under different circumstances

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https://hg.mozilla.org/integration/gaia-central/rev/45321dab19db
Author: Jose M. Cantera <jmcanterafonseca@gmail.com>
Desc: Merge pull request #11419 from jmcanterafonseca/edit_active_merge

Bug 902391 - Active merge in edit mode for Contacts

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https://hg.mozilla.org/integration/gaia-central/rev/316758208a3c
Author: Jose M. Cantera <jmcanterafonseca@gmail.com>
Desc: Bug 902391 - Active merge in edit mode for Contacts

b2g/config/gaia.json

@@ -1,4 +1,4 @@
 {
-    "revision": "dbfb03ac729627f91bd63ad9d2830e0479bfb899", 
+    "revision": "80cde7ce278e09ad1bf92410c729b96a9bd5ccfe", 
     "repo_path": "/integration/gaia-central"
 }