am 4d004e91: b/2238546 Fixed NPE in Settings when Bluetooth "class" is null

Merge commit '4d004e910732565ddd449c7c525f7d6cbd353392' into eclair-mr2

* commit '4d004e910732565ddd449c7c525f7d6cbd353392':
  b/2238546 Fixed NPE in Settings when Bluetooth "class" is null