Fix bluetooth's name on settingwindow update error

tower: https://tower.im/projects/8f19f0bf0e754f0b82ef2c24bc230973/todos/d76dac78c2c44c128fa21feec8b6a984/

Change-Id: Ib2e41aade2800506151ae7e21148252dd5b12311
Merge "Fix bluetooth's name on settingwindow update error" into release/2014.2