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

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https://hg.mozilla.org/integration/gaia-central/rev/f8b97ddd68a6
Author: Zibi Braniecki <zibi@braniecki.net>
Desc: Merge pull request #34060 from zbraniecki/1247780-refactor-remaining-l10n-in-smart-system

Bug 1247780 - Refactor Smart System to use modern L10n API. r=rexboy

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https://hg.mozilla.org/integration/gaia-central/rev/9fe362fe6d3e
Author: Zibi Braniecki <gandalf@mozilla.com>
Desc: Bug 1247780 - Refactor Smart System to use modern L10n API

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "babf87072154834ba7bc35c5dca5101ff9022fa9", 
+        "git_revision": "216517f3f4fa4763762007f4103870c6eec1db09", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "dd3c400017acee1976bf8976859369a4d5f0a915", 
+    "revision": "f8b97ddd68a68d567c7b59a2e840b67a4a552d5a", 
     "repo_path": "integration/gaia-central"
 }