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

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https://hg.mozilla.org/integration/gaia-central/rev/b190bde8cc9d
Author: Min-Zhong "John" Lu <jlu@mozilla.com>
Desc: Merge pull request #23308 from mnjul/bug_1058382_reorganize_inputfocuschange

Bug 1058382 - Reorganize |KeyboardManager. inputFocusChange()|. r=timdream

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https://hg.mozilla.org/integration/gaia-central/rev/81beb82c4730
Author: John Lu [:mnjul] <jlu@mozilla.com>
Desc: Bug 1058382 - Reorganize |KeyboardManager. inputFocusChange()|

b2g/config/gaia.json

@@ -4,6 +4,6 @@
         "remote": "", 
         "branch": ""
     }, 
-    "revision": "43b051c88b53508b6070b727bee21a06e2cfaaf0", 
+    "revision": "b190bde8cc9d4a5a41e4042a659ab76aad98708c", 
     "repo_path": "/integration/gaia-central"
 }