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

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https://hg.mozilla.org/integration/gaia-central/rev/cf5760383773
Author: Zibi Braniecki <zibi@braniecki.net>
Desc: Merge pull request #33719 from zbraniecki/1224063-migrate-system-away-from-mozl10n-get-part2

Bug 1235975 - Refactor l10n/i18n related pieces of ValuePicker/ValueSelector/InputParser/DatePicker. r=timdream, gasolin

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https://hg.mozilla.org/integration/gaia-central/rev/4d9351eee453
Author: Zibi Braniecki <gandalf@mozilla.com>
Desc: Bug 1235975 - Refactor l10n/i18n related pieces of ValuePicker/ValueSelector/InputParser/DatePicker

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "d7ca8344dfc8fe25eb4081b7404a568ffb8b9e62", 
+        "git_revision": "b855e6944402dca5c850e8f146ef29600ed9802f", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "4b77f9756685cabe7538f8c01cbb3b141d6cc5c5", 
+    "revision": "cf5760383773680d2dc071ce5c6f6c91a1b1ffd0", 
     "repo_path": "integration/gaia-central"
 }