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

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https://hg.mozilla.org/integration/gaia-central/rev/888d898eff12
Author: danhuang1202 <dhuang@mozilla.com>
Desc: Merge pull request #33459 from danhuang1202/1226527_bookmark_title_empty_check

Bug 1226527 - Show error notification when bookmark title field is em…

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https://hg.mozilla.org/integration/gaia-central/rev/f91358ff0b57
Author: danhuang1202 <danhuang1202@gmail.com>
Desc: Bug 1226527 - Show error notification when bookmark title field is empty. r=yifan

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "71c56fafb76a12745a1b2c3e65b4868b64a297ac", 
+        "git_revision": "8e8a7d1b9cc4a05808ebcdd7da20d0768ebd03b4", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "9c0d796ae73923da157a3c87cffd02d4ff362352", 
+    "revision": "888d898eff12df0ea6c824cc7f07509555eb42b0", 
     "repo_path": "integration/gaia-central"
 }