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

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https://hg.mozilla.org/integration/gaia-central/rev/47a932e05a57
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Merge pull request #31169 from KevinGrandon/bug_1188104_inline_checkbox_alignment

Bug 1188104 - [GaiaCheckbox] RTL inline checkbox alignment

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https://hg.mozilla.org/integration/gaia-central/rev/af7f1815aff7
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Bug 1188104 - [GaiaCheckbox] RTL inline checkbox alignment

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "8e4d92ae56ce0c2d5af6462eb42ed15299ecb3de", 
+        "git_revision": "f69f5a8f5eac27b1d5a854cf6183f088714613b7", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "5b14736cbf3f9ed32d6e298ac008ff0d06a1b942", 
+    "revision": "47a932e05a57035cfe6efccc93e8aabbf37172b0", 
     "repo_path": "integration/gaia-central"
 }