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

========

https://hg.mozilla.org/integration/gaia-central/rev/3f0db7feca26
Author: Justin D'Arcangelo <justindarc@gmail.com>
Desc: Merge pull request #32364 from justindarc/bug1213381

Bug 1213381 - [Music][NGA] Remove A-Z picker until we have a UX spec …

========

https://hg.mozilla.org/integration/gaia-central/rev/2e594fdd9ed1
Author: Justin D'Arcangelo <justindarc@gmail.com>
Desc: Bug 1213381 - [Music][NGA] Remove A-Z picker until we have a UX spec for additional locales

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "4a17ab672138c4ed9bc4cd510f071d5019eee662", 
+        "git_revision": "470ecf899417957f414507b73213a816006ff5da", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "672a78cc35cf9cc213c785b2e53c3e8ed1148a75", 
+    "revision": "3f0db7feca2664b3a1a8bf33d80405d14d108825", 
     "repo_path": "integration/gaia-central"
 }