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

========

https://hg.mozilla.org/integration/gaia-central/rev/86ee68595400
Author: Fernando Jiménez Moreno <ferjmoreno@gmail.com>
Desc: Merge pull request #31037 from ferjm/bug1182071.synckeys.2

Bug 1182071 - Allow System app to fetch Sync keys. r=kgrandon

========

https://hg.mozilla.org/integration/gaia-central/rev/e8c0d29d8709
Author: Fernando Jiménez Moreno <ferjmoreno@gmail.com>
Desc: Bug 1182071 - Allow System app to fetch Sync keys. r=kgrandon

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "eaff79aa68e12d533aa1a24ef169b97fe7df2887", 
+        "git_revision": "84c3bf622e211046d905803b34de5d331761f22d", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "c87390ffafecf2b11f461331901a42b2f9a3e1d2", 
+    "revision": "86ee685954005405682f78d7b3009dd61ac2e1ec", 
     "repo_path": "integration/gaia-central"
 }