[ScreenLockSetup] Create separate title string

Create a separate "Choose screen lock" title for setup wizard's
version of ChooseLockGeneric, with a higher CHAR LIMIT because
setup wizard's layout has more space and can avoid using
abbreviations.

Bug: 23551150
Change-Id: I93aa8c537ac97e7a1af9414a5b3ddc218c929bff

src/com/android/settings/SetupChooseLockGeneric.java

@@ -67,7 +67,6 @@ public class SetupChooseLockGeneric extends ChooseLockGeneric {
                 Bundle savedInstanceState) {
             final SetupWizardListLayout layout = (SetupWizardListLayout) inflater.inflate(
                     R.layout.setup_choose_lock_generic, container, false);
-            layout.setHeaderText(getActivity().getTitle());
 
             final NavigationBar navigationBar = layout.getNavigationBar();
             navigationBar.getNextButton().setEnabled(false);