Bumping gaia.json for 3 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/671bf567ceb9
Author: Ed Morley <emorley@mozilla.com>
Desc: Revert "Bug 909201: Editing names doesn't update properly." for failures in list_test.js

This reverts commit 08b7b18fd3e4ad9f90f7b2c9a66efa725c7b902c.

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https://hg.mozilla.org/integration/gaia-central/rev/b3f8cab3f6d1
Author: gasolin <gasolin@gmail.com>
Desc: Merge pull request #17181 from gasolin/issue-981550

Bug 981550 - Apps can cause permissions prompts in other apps, r=alive

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https://hg.mozilla.org/integration/gaia-central/rev/2000b48758f3
Author: gasolin <gasolin@gmail.com>
Desc: Bug 981550 - Apps can cause permissions prompts in other apps

b2g/config/gaia.json

@@ -4,6 +4,6 @@
         "branch": "", 
         "revision": ""
     }, 
-    "revision": "3056c3eb4668d25932d2e51c31d689c668abbe53", 
+    "revision": "671bf567ceb929bbe535da1fbe4343064657174a", 
     "repo_path": "/integration/gaia-central"
 }