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

========

https://hg.mozilla.org/integration/gaia-central/rev/d0262401339c
Author: tamarahills <thills@mozilla.com>
Desc: Merge pull request #24707 from tamarahills/bugfix/1068109

Bug 1068109 - Restore 2s delay before callscreen is closed.

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https://hg.mozilla.org/integration/gaia-central/rev/e3481eed4eed
Author: Tamara Hills <thills@mozilla.com>
Desc: Bug 1068109 - Restore 2s delay before callscreen is closed.

b2g/config/gaia.json

@@ -4,6 +4,6 @@
         "remote": "", 
         "branch": ""
     }, 
-    "revision": "cb7ad9a7c8322070760f14f44282348deeb930ec", 
+    "revision": "d0262401339c22bee59ec9541631bc44c5f8bd8e", 
     "repo_path": "/integration/gaia-central"
 }