Bumping gaia.json for 4 gaia revision(s) a=gaia-bump

========

https://hg.mozilla.org/integration/gaia-central/rev/334d69694312
Author: No-Jun Park <npark@mozilla.com>
Desc: Merge pull request #32950 from npark-mozilla/1220814

Bug 1220814 - Imagecompare: test_settings_NC_RTL.py fails while waiting for call barring dialog

========

https://hg.mozilla.org/integration/gaia-central/rev/d2b845c3d1f8
Author: g5njpark <nojun.park@gmail.com>
Desc: Bug 1220814 - Imagecompare: test_settings_NC_RTL.py fails while waiting for call barring dialog

========

https://hg.mozilla.org/integration/gaia-central/rev/b9de565a53cb
Author: Reza Akhavan <reza@akhavan.me>
Desc: Merge pull request #32952 from jedireza/system-addon-alert-icon

Bug 1216446 - updated alert icon

========

https://hg.mozilla.org/integration/gaia-central/rev/973bd27cc964
Author: jedireza <reza@akhavan.me>
Desc: Bug 1216446 - updated alert icon

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "3568ea50aa6d67583e2f66f69ce1a04ed139bdfc", 
+        "git_revision": "9b490fc165dd5f8eb181cd4cf8c087e84c5448af", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "d9b7f7baa82cb1a2f5d3ce09204b95eb87623ff0", 
+    "revision": "334d6969431217b105afdc99ee9eb3457550881f", 
     "repo_path": "integration/gaia-central"
 }