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

========

https://hg.mozilla.org/integration/gaia-central/rev/df38eae57632
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Merge pull request #21088 from KevinGrandon/lightsofapollo-bug-1027935

Bug 1027935 - Correctly handle pending upgrades as well as pause/resume of upgrade downloads

========

https://hg.mozilla.org/integration/gaia-central/rev/dd83cc593f5b
Author: James Lal <james@lightsofapollo.com>
Desc: Bug 1027935 - Correctly handle pending upgrades as well as pause/resume of
upgrade downloads r=kgrandon

b2g/config/gaia.json

@@ -4,6 +4,6 @@
         "remote": "", 
         "branch": ""
     }, 
-    "revision": "184cb719d09ffe352d43881430fe65cf8b7a650f", 
+    "revision": "df38eae5763286519788185ed5c919557fff048f", 
     "repo_path": "/integration/gaia-central"
 }