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

========

https://hg.mozilla.org/integration/gaia-central/rev/3073356ae6c8
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Merge pull request #30927 from KevinGrandon/bug_1182846_system_permission_gaia_checkbox

Bug 1182846 - Port permission checkbox to gaia-checkbox

========

https://hg.mozilla.org/integration/gaia-central/rev/dbb5c315fcd3
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Bug 1182846 - Port permission checkbox to gaia-checkbox

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "df9759a27b2a6186966ca1f8a9925cfac3de386a", 
+        "git_revision": "a7439b6ca88264734171ff5ea0b6a0b8df3f258e", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "a23af53d63a297ac3be59cf84d90b703cc9796bb", 
+    "revision": "3073356ae6c82391651cf4d6ca066433c4efd928", 
     "repo_path": "integration/gaia-central"
 }