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

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https://hg.mozilla.org/integration/gaia-central/rev/718640f343d7
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Merge pull request #31526 from KevinGrandon/bug_1198059_keyboard_settings

Bug 1198059 - [Keyboard] Update element names for web component changes

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https://hg.mozilla.org/integration/gaia-central/rev/7d76b89a4f80
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Bug 1198059 - [Keyboard] Update element names for web component changes r=timdream

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "14f32ddf49e9c1f2b30c391a26ba2dc867e948c1", 
+        "git_revision": "7e36fb3976bc8aab4ef7cbb37e6c79145b3d4717", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "0164a51c5b868d7362a7d048785e43a01bacdea8", 
+    "revision": "718640f343d75672d07a0700535e0201d1bb1d81", 
     "repo_path": "integration/gaia-central"
 }