Fixed wrong documentation for BLUETOOTH_SERVICE.
Fixed wrong documentation for BLUETOOTH_SERVICE.

The documentation was incorrectly stating that getSystemService() would
return a BluetoothAdater for Context.BLUETOOTH_SERVICE. The actual
return type is BluetoothManager.

xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base