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

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https://hg.mozilla.org/integration/gaia-central/rev/d4d24ab3445b
Author: RickyChien <RickyChien@users.noreply.github.com>
Desc: Merge pull request #26101 from RickyChien/bug-1022728

Bug 1022728 - Prevent building gaia when running ./build.sh gecko r=@cctuan

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https://hg.mozilla.org/integration/gaia-central/rev/295a2325f8b6
Author: Ricky Chien <ricky060709@gmail.com>
Desc: Bug 1022728 - Prevent building gaia when running ./build.sh gecko

b2g/config/gaia.json

@@ -4,6 +4,6 @@
         "remote": "", 
         "branch": ""
     }, 
-    "revision": "0953d28478806d91edfff0ba2369107707040b58", 
+    "revision": "d4d24ab3445b816a239555cbed79f0f1f39c49d5", 
     "repo_path": "integration/gaia-central"
 }