Fixed Bluetooth renaming bug.

+ After renaming your Bluetooth device, the title of the Bluetooth
    Activity stays "Bluetooth" instead of changing to the new name.
+ After renaming the device, the status at the bottom Bluetooth Settings
    is correctly displayed.

Bug: 16463239
Change-Id: Ifb12df2004fe1f89bd6f918e23c2c64ae08a0191

src/com/android/settings/bluetooth/BluetoothNameDialogFragment.java

@@ -178,7 +178,6 @@ public final class BluetoothNameDialogFragment extends DialogFragment implements
             mDeviceNameUpdated = true;
             mDeviceNameEdited = false;
             mDeviceNameView.setText(mLocalAdapter.getName());
-            getActivity().setTitle(mLocalAdapter.getName());
         }
     }