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

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https://hg.mozilla.org/integration/gaia-central/rev/d8db25a3d54d
Author: Ricky Chien <rickychien@users.noreply.github.com>
Desc: Merge pull request #33824 from rickychien/rebuild-to-node

Bug 1131522 - Running rebuild.js on node.js r=@scottwu

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https://hg.mozilla.org/integration/gaia-central/rev/732edb7bf614
Author: Ricky Chien <ricky060709@gmail.com>
Desc: Bug 1131522 - Running rebuild.js on node.js

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https://hg.mozilla.org/integration/gaia-central/rev/9b5f621a938f
Author: Ray Lin <ralin@mozilla.com>
Desc: Merge pull request #33840 from raylin/1233533-intermittent-keyboard-test

Bug 1233533 - Fix intermittent test fail on Keyboard App.…

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https://hg.mozilla.org/integration/gaia-central/rev/55614918ec44
Author: Ray Lin <ralin@mozilla.com>
Desc: Bug 1233533 - Intermittent test fail on Keyboard App. r=timdream

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "efd70ba6a54849dcef696abf1652cf74daa07899", 
+        "git_revision": "38fa8efeb6bd5a8922b0939b79776028720f7af3", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "687b7b7814ff8a089fda4c4d6be564305a0a2b69", 
+    "revision": "d8db25a3d54d28d35c0107e5b297fe9651963096", 
     "repo_path": "integration/gaia-central"
 }