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

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https://hg.mozilla.org/integration/gaia-central/rev/d8a42299ad49
Author: vingtetun <21@vingtetun.org>
Desc: Merge pull request #20842 from vingtetun/homescreen-on-nightly-race

Bug 1027555 - [Vertical Homescreen] No icons on homescreen with DEBUG=1 ...

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https://hg.mozilla.org/integration/gaia-central/rev/f5ff909b584b
Author: Vivien Nicolas <vnicolas@mozilla.com>
Desc: Bug 1027555 - [Vertical Homescreen] No icons on homescreen with DEBUG=1 mode on nightly. r=me

b2g/config/gaia.json

@@ -4,6 +4,6 @@
         "remote": "", 
         "branch": ""
     }, 
-    "revision": "b4915d85ad52f5bdc4cc55f1a05cf9b5f75f17be", 
+    "revision": "d8a42299ad4923d96265015f7cb996631711c6b8", 
     "repo_path": "/integration/gaia-central"
 }