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

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https://hg.mozilla.org/integration/gaia-central/rev/6dfd7dd6e52e
Author: Eitan Isaacson <eitan@monotonous.org>
Desc: Merge pull request #28956 from eeejay/bug-1069353

Bug 1069353 - Listen for screenreader click events in lockscreen slider ... r=gweng

========

https://hg.mozilla.org/integration/gaia-central/rev/dd9b99d150f9
Author: Eitan Isaacson <eitan@monotonous.org>
Desc: Bug 1069353 - Listen for screenreader click events in lockscreen slider module.

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "53320f7f7c72611015b65d51fa6bfef6bf0a6de2", 
+        "git_revision": "36b6f9f824782457ae0674382604cb69d915dee4", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "00ee972122496dad447241aa8f0b8fceaa0dabaa", 
+    "revision": "6dfd7dd6e52ed167d48c82d4f37fd96e4c75b0e2", 
     "repo_path": "integration/gaia-central"
 }