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

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https://hg.mozilla.org/integration/gaia-central/rev/ed05ae5ca5b9
Author: Ricky Chien <rickychien@users.noreply.github.com>
Desc: Merge pull request #33864 from rickychien/backspaceToBack

Bug 1238870 - Backspace key for back function r=@luke-chang

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https://hg.mozilla.org/integration/gaia-central/rev/5f8461175514
Author: Ricky Chien <ricky060709@gmail.com>
Desc: Bug 1238870 - Backspace key for back function

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "19d9d455bb91b56daee1720c24e68f37f8c5264d", 
+        "git_revision": "2d6c11a1e82bd9f9b7491863c8d1ea4a14aea69f", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "8e79586ee1570fa8a4505a765ea41ffddabb390a", 
+    "revision": "ed05ae5ca5b9a6d8f01386c1f9345c041971afd8", 
     "repo_path": "integration/gaia-central"
 }