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

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https://hg.mozilla.org/integration/gaia-central/rev/38fabbc650ca
Author: Arthur Chen <crh0716@gmail.com>
Desc: Merge pull request #26141 from mancas/bug1099034

Bug 1099034 - [Follow-up][settings] refactor Hotspot panel with AMD pattern r=arthurcc

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https://hg.mozilla.org/integration/gaia-central/rev/b6950646d743
Author: mancas <manuel.casasbarrado@telefonica.com>
Desc: Bug 1099034 - [Follow-up][settings] refactor Hotspot panel with AMD pattern

b2g/config/gaia.json

@@ -4,6 +4,6 @@
         "remote": "", 
         "branch": ""
     }, 
-    "revision": "eba399d3ba9724c77e073adccc0dfe9f8169dceb", 
+    "revision": "38fabbc650ca43c188ff7542b4f3551d97dd28e2", 
     "repo_path": "integration/gaia-central"
 }