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

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https://hg.mozilla.org/integration/gaia-central/rev/9ffcca8b5fcf
Author: Zibi Braniecki <zbigniew.braniecki@gmail.com>
Desc: Merge pull request #30490 from zbraniecki/1172621-move-lockscreen-to-intl

Bug 1172621 - Switch lockscreen to use Intl for datetime formatting. r=gsvelto, drs, snowmantw

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https://hg.mozilla.org/integration/gaia-central/rev/5fb6a5d36976
Author: Zibi Braniecki <gandalf@mozilla.com>
Desc: Bug 1172621 - Switch lockscreen to use Intl for datetime formatting

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "0d8209e34ab98ef5ce7bead7cf26260017eb1e33", 
+        "git_revision": "de243eb108a6d04d5a8f7382b8f8f785c4606df2", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "d4457ed449fa2e136700078c35dc2af527f40303", 
+    "revision": "9ffcca8b5fcf8adb0c7ac09ebf347abbd5a1b72b", 
     "repo_path": "integration/gaia-central"
 }