Bumping gaia.json for 3 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/b547f385952e
Author: Gareth Aye <gaye@mozilla.com>
Desc: Merge pull request #27759 from gaye/bug-1109820

Bug 1109820 - Restart calendar when timezone changes r=millermedeiros

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https://hg.mozilla.org/integration/gaia-central/rev/7964174ff613
Author: gaye <gaye@mozilla.com>
Desc: Bug 1109820 - Restart calendar when timezone changes

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https://hg.mozilla.org/integration/gaia-central/rev/8f5b5d27a868
Author: Marta Piekarska <marta@sec.t-labs.tu-berlin.de>
Desc: Bug 1105304 - [l10n] Privacy Panel: long string truncated, untranslated elements, strings reused f=gandalf r=kgrandon

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "869ebd9de838403c67c24f01313acb3d63e041c2", 
+        "git_revision": "ae5a1580da948c3b9f93528146b007fc4f6a712b", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "faa2324e250013856af56c578bc6fa5fec933cd1", 
+    "revision": "b547f385952e2cbbfeb4818d1e755c9aab3e2a58", 
     "repo_path": "integration/gaia-central"
 }