Pin protect more screens.

When these screens are locked down with user restrictions,
it should prompt the user for the restrictions pin before allowing
access to the settings screen.

Change-Id: Iadbb087da2d9470b855ea0bea89f2da1ffb9e854

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

@@ -34,6 +34,10 @@ import com.android.settings.R;
  */
 public final class DevicePickerFragment extends DeviceListPreferenceFragment {
 
+    DevicePickerFragment() {
+        super(null /* Not tied to any user restrictions. */);
+    }
+
     private boolean mNeedAuth;
     private String mLaunchPackage;
     private String mLaunchClass;