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

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https://hg.mozilla.org/integration/gaia-central/rev/fa71b8cf44dc
Author: Fernando Jiménez Moreno <ferjmoreno@gmail.com>
Desc: Merge pull request #32011 from ferjm/bug1207654.syncreadonlycollections

Bug 1207654 - Allow setting a collection as readonly. r=michielbdjong

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https://hg.mozilla.org/integration/gaia-central/rev/6b66be81e89d
Author: Fernando Jiménez Moreno <ferjmoreno@gmail.com>
Desc: Bug 1207654 - Allow setting a collection as readonly. r=michielbdjong

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "fc775cc5ffe0cf82733d8d470cef15af46881e0e", 
+        "git_revision": "1d83fc33a1f2b9b87d30adea9953a864eef751ce", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "bc945a04c5ab97886c8498b586f0d88d3075eceb", 
+    "revision": "fa71b8cf44dcc54a8986317aad251daf81ffbad3", 
     "repo_path": "integration/gaia-central"
 }