Replace autoadvance screens with waiting screen in PS setup

This change replaces the auto advancing screens shown during private
space setup flow with a single loading screen.

Recording: b/332652637#comment3

Bug: 332652637
Test: Manual
Change-Id: I470e5c6ece16cfefd0734d3daadf1d8efe963f63

src/com/android/settings/privatespace/PrivateSpaceEducation.java

@@ -91,7 +91,7 @@ public class PrivateSpaceEducation extends InstrumentedFragment {
                     getContext(), SettingsEnums.ACTION_PRIVATE_SPACE_SETUP_START);
             Log.i(TAG, "Starting private space setup");
             NavHostFragment.findNavController(PrivateSpaceEducation.this)
-                    .navigate(R.id.action_education_to_auto_advance);
+                    .navigate(R.id.action_education_to_create);
         };
     }