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

========

https://hg.mozilla.org/integration/gaia-central/rev/1e59ef8cda3f
Author: Julien Wajsberg <felash@gmail.com>
Desc: Merge pull request #17839 from cvan/updated-mkt

Bug 989470 - Fix MCC/MNC dual SIM detection in Marketplace app
r=julien

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https://hg.mozilla.org/integration/gaia-central/rev/928ceff77436
Author: Christopher Van <cvan@mozilla.com>
Desc: Bug 989470 - Fix MCC/MNC dual SIM detection in Marketplace app

b2g/config/gaia.json

@@ -4,6 +4,6 @@
         "remote": "", 
         "branch": ""
     }, 
-    "revision": "25ef69cde9cae052ff8cb15f510006c9e73102ae", 
+    "revision": "1e59ef8cda3fad9564a94ef46914fe5c4e71475b", 
     "repo_path": "/integration/gaia-central"
 }