Update illustrations in Private Space setup & settings

This inlcudes the changes to use latest private space icon and update
the illustrations in private space setup and settings.
Change made to update illustrations dynamically between light and dark
theme.

Recordings link:
b/332867167#comment3

Bug: 332867167
Test: Manual
Change-Id: I6387c9991ec9bb419f446431926f99843f92c859

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

@@ -26,10 +26,12 @@ import android.widget.Toast;
 
 import com.android.settings.R;
 import com.android.settings.dashboard.DashboardFragment;
+import com.android.settingslib.widget.IllustrationPreference;
 
 /** Fragment representing the Private Space dashboard in Settings. */
 public class PrivateSpaceDashboardFragment extends DashboardFragment {
     private static final String TAG = "PSDashboardFragment";
+    private static final String PRIVATE_SPACE_ILLUSTRATION_KEY = "private_space_illustration";
 
     @Override
     public void onCreate(Bundle icicle) {
@@ -60,6 +62,14 @@ public class PrivateSpaceDashboardFragment extends DashboardFragment {
         }
     }
 
+    @Override
+    public void onResume() {
+        super.onResume();
+        final IllustrationPreference illustrationPreference =
+                getPreferenceScreen().findPreference(PRIVATE_SPACE_ILLUSTRATION_KEY);
+        illustrationPreference.applyDynamicColor();
+    }
+
     @Override
     protected int getPreferenceScreenResId() {
         return R.xml.private_space_settings;