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

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https://hg.mozilla.org/integration/gaia-central/rev/d0792f4e925c
Author: Ben Francis <ben@tola.me.uk>
Desc: Merge pull request #19887 from benfrancis/1009353

Bug 1009353 - Configure Rocketbar search provider at build time r=kevingrandon r=yuren

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https://hg.mozilla.org/integration/gaia-central/rev/2d2c467f5a50
Author: Ben Francis <ben@tola.me.uk>
Desc: Bug 1009353 - Configure Rocketbar search provider at build time

b2g/config/gaia.json

@@ -4,6 +4,6 @@
         "remote": "", 
         "branch": ""
     }, 
-    "revision": "5f2853e302bf238364681899bc93de0920f931d0", 
+    "revision": "d0792f4e925cbdbf33487916d464e842958964ac", 
     "repo_path": "/integration/gaia-central"
 }