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

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https://hg.mozilla.org/integration/gaia-central/rev/37683ed4c8fa
Author: No-Jun Park <npark@mozilla.com>
Desc: Merge pull request #31915 from npark-mozilla/1206113

Bug 1206113 - Imagecompare: Time Format cannot be selected unless Use Default is turned off

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https://hg.mozilla.org/integration/gaia-central/rev/5a57acaf62e5
Author: No-Jun Park <npark@mozilla.com>
Desc: Bug 1206113 - Imagecompare: Time Format cannot be selected unless Use Default is turned off

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "3e9de022ede11800170b6665606cb00c3fd92dc5", 
+        "git_revision": "72bda7c9281c79dbc151ed556690c75786099dc8", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "45fdde6d54d205a0991f6e3a10fd429fa836aa71", 
+    "revision": "37683ed4c8faf93ea2bf6fea5b4a7a2eb095ef34", 
     "repo_path": "integration/gaia-central"
 }