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

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https://hg.mozilla.org/integration/gaia-central/rev/7e8c5de7d35c
Author: Jose Antonio Olivera Ortega <josea.olivera@gmail.com>
Desc: Merge pull request #13467 from jaoo/934901

Bug 934901 - [WAP push][CP] All APN settings will be removed from data and message settings after storing a CP message with non-support APPID. r=gsvelto

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https://hg.mozilla.org/integration/gaia-central/rev/cb2cb3eed3d2
Author: Jose Antonio Olivera Ortega <josea.olivera@gmail.com>
Desc: Bug 934901 - [WAP push][CP] All APN settings will be removed from data and message settings after storing a CP message with non-support APPID

b2g/config/gaia.json

@@ -1,4 +1,4 @@
 {
-    "revision": "aae41b7d327b39a735b84dae680e615f7ac6281f", 
+    "revision": "7e8c5de7d35c95d8e496f1f297a8204067b23fab", 
     "repo_path": "/integration/gaia-central"
 }