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

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https://hg.mozilla.org/integration/gaia-central/rev/da73e5e16b66
Author: Yura Zenevich <yura.zenevich@gmail.com>
Desc: Merge pull request #30990 from yzen/bug-1184244

Bug 1184244 - ensuring that the selector is visible to screen reader …

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https://hg.mozilla.org/integration/gaia-central/rev/00b2912b7876
Author: Yura Zenevich <yzenevich@mozilla.com>
Desc: Bug 1184244 - ensuring that the selector is visible to screen reader before proceeding.

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "0455e55979a1ebcb52b4b38356668072d8fcc93c", 
+        "git_revision": "2c0a06600cdb80fdfeae83e118164e264ea219ce", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "1a6fe96b2dc6c35f02474eed4b63e4d5d8e977b2", 
+    "revision": "da73e5e16b66bef73ad5d74aaf8e6680a5f96d5e", 
     "repo_path": "integration/gaia-central"
 }