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

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https://hg.mozilla.org/integration/gaia-central/rev/5ac5df7f279b
Author: evelynhung <jj.evelyn@gmail.com>
Desc: Merge pull request #22382 from crh0716/1046068

Bug 1046068 - Add the default value for mms delivery report

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https://hg.mozilla.org/integration/gaia-central/rev/12f299ead266
Author: Arthur Chen <crh0716@gmail.com>
Desc: Bug 1046068 - Add the default value for mms delivery report

b2g/config/gaia.json

@@ -4,6 +4,6 @@
         "remote": "", 
         "branch": ""
     }, 
-    "revision": "f4b0b276eb8f31d05a98b83b1e03dad29deff96a", 
+    "revision": "5ac5df7f279b1548965362289c6bb393a8dda942", 
     "repo_path": "/integration/gaia-central"
 }