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

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https://hg.mozilla.org/integration/gaia-central/rev/349d8c123bac
Author: GaryChen(pychen) <mmm198219@gmail.com>
Desc: Merge pull request #12567 from mpizza/Bug_917461_No_globe_icon

Bug 917461 - [B2G][Keyboard] No "globe" icon - unable to select internat... r=janjongboom.

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https://hg.mozilla.org/integration/gaia-central/rev/1bfe2e200513
Author: GaryChen(pychen) <mmm198219@gmail.com>
Desc: Bug 917461 - [B2G][Keyboard] No "globe" icon - unable to select international keyboards. r=janjongboom.
   -- need to expose all input type enable keyboard layouts to gecko (chrome)

b2g/config/gaia.json

@@ -1,4 +1,4 @@
 {
-    "revision": "10bb252685ef7d053f9aaeaa30f322f2ac0bd92a", 
+    "revision": "349d8c123bac8672ab241855bbf0bc3912b28afd", 
     "repo_path": "/integration/gaia-central"
 }