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

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https://hg.mozilla.org/integration/gaia-central/rev/e4412cfbae69
Author: Cristian Rodriguez <crdlc@tid.es>
Desc: Merge pull request #20919 from crdlc/bug-1029167

Bug 1029167 - [B2G][2.0][Flame][Smart Collections] Missing Star Button (...

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https://hg.mozilla.org/integration/gaia-central/rev/017b98711ae9
Author: crdlc <crdlc@tid.es>
Desc: Bug 1029167 - [B2G][2.0][Flame][Smart Collections] Missing Star Button (bookmark) on Smart Collection App

b2g/config/gaia.json

@@ -4,6 +4,6 @@
         "remote": "", 
         "branch": ""
     }, 
-    "revision": "c288983a9abca6056c4e725afd11b20b1f33a65a", 
+    "revision": "e4412cfbae699e6a880cc3b16bf57a4d9ee8e2f7", 
     "repo_path": "/integration/gaia-central"
 }