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

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https://hg.mozilla.org/integration/gaia-central/rev/de9e002f7a7c
Author: Cristian Rodriguez <crdlc@tid.es>
Desc: Merge pull request #19715 from crdlc/bug-1016822

Bug 1016822 - [Vertical Homescreen] Implement the RocketBar & status bar...

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https://hg.mozilla.org/integration/gaia-central/rev/b208bea3d170
Author: crdlc <crdlc@tid.es>
Desc: Bug 1016822 - [Vertical Homescreen] Implement the RocketBar & status bar visuals properly

b2g/config/gaia.json

@@ -4,6 +4,6 @@
         "remote": "", 
         "branch": ""
     }, 
-    "revision": "68dba28a2316407866e742e97384778168c65458", 
+    "revision": "de9e002f7a7cecf581a37325c52812d2db269799", 
     "repo_path": "/integration/gaia-central"
 }