Snap for 7779164 from 1c014ca0ba567302f79d7d391739225196864938 to sc-v2-release

Change-Id: I39550fcade090e062d4b50ec120396859837599a
diff --git a/src/com/android/htmlviewer/CarHTMLViewerActivity.java b/src/com/android/htmlviewer/CarHTMLViewerActivity.java
index de31bff..465fca5 100644
--- a/src/com/android/htmlviewer/CarHTMLViewerActivity.java
+++ b/src/com/android/htmlviewer/CarHTMLViewerActivity.java
@@ -19,7 +19,7 @@
 import android.webkit.WebView;
 
 import com.android.car.ui.core.CarUi;
-import com.android.car.ui.toolbar.Toolbar;
+import com.android.car.ui.toolbar.NavButtonMode;
 import com.android.car.ui.toolbar.ToolbarController;
 
 /**
@@ -34,7 +34,7 @@
         WebView webView = requireViewById(R.id.webview);
         webView.setDefaultFocusHighlightEnabled(false);
         mToolbar = CarUi.requireToolbar(this);
-        mToolbar.setState(Toolbar.State.SUBPAGE);
+        mToolbar.setNavButtonMode(NavButtonMode.BACK);
     }
 
     @Override