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

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https://hg.mozilla.org/integration/gaia-central/rev/be72f1a1b403
Author: Rex KM Lee <rexboy@mozilla.com>
Desc: Merge pull request #33704 from rexboy7/1235518

Bug 1235518 - [TV][AppDeck] Show confirm dialog before deleting bookmarks.r=lchang

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https://hg.mozilla.org/integration/gaia-central/rev/8d2e973d12c5
Author: Rex Lee <rexboy@mozilla.com>
Desc: Bug 1235518 - [TV][AppDeck] Show confirm dialog before deleting bookmarks

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "0a94cf45f864dcfbb2b6694a3f692bded8328d91", 
+        "git_revision": "8cd477527400d96d3e011ca95cdcfb01f8afde56", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "4486289b6b6bde83444e0ff2d7f0d4f4b4853881", 
+    "revision": "be72f1a1b403503391addcc2442e71ca6c99fea5", 
     "repo_path": "integration/gaia-central"
 }