Bumping gaia.json for 4 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/b22a8f312aae
Author: Tzu-Lin Huang <dwi019@gmail.com>
Desc: Merge pull request #26507 from dwi2/bug1094066

Bug 1094066 - APP-CANCELLED key should handled by app first then fall back to system app

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https://hg.mozilla.org/integration/gaia-central/rev/8d540e356f9b
Author: Tzu-Lin Huang <tzhuang@mozilla.com>
Desc: Bug 1094066 - APP-CANCELLED key should handled by app first then fall back to system app

========

https://hg.mozilla.org/integration/gaia-central/rev/4c79833203dc
Author: Tzu-Lin Huang <dwi019@gmail.com>
Desc: Merge pull request #26518 from dwi2/bug1105629

Bug 1105629 - [Stingray][Home] Use correct icon of decks in Smart Home

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https://hg.mozilla.org/integration/gaia-central/rev/e324704f86b1
Author: Tzu-Lin Huang <tzhuang@mozilla.com>
Desc: Bug 1105629 - [Stingray][Home] Use correct icon of decks in Smart Home

b2g/config/gaia.json

@@ -4,6 +4,6 @@
         "remote": "", 
         "branch": ""
     }, 
-    "revision": "e3a065b26f452e858a85c85b8eb9ae1556c569fa", 
+    "revision": "b22a8f312aae5a7ab413d930067785318ddff0a5", 
     "repo_path": "integration/gaia-central"
 }