Re-enable KeywordEditorControllerTest.

These tests pass now, looks like they got fixed.
BUG=139165


Review URL: https://chromiumcodereview.appspot.com/11316254

git-svn-id: http://src.chromium.org/svn/trunk/src/build@170331 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

android/gtest_filter/unit_tests_disabled

@@ -48,9 +48,6 @@ ChromeSelectFilePolicyTest.ExpectAsynchronousListenerCall
 # http://crbug.com/139033
 ChromeDownloadManagerDelegateTest.StartDownload_PromptAlways
 
-# http://crbug.com/139165
-KeywordEditorControllerTest.*
-
 # Extension support is limited on Android.
 # Some of these can be enabled if we register extension related prefs in
 # browser_prefs.cc