Add an interface that returns time spent text for app.

Bug: 129266977
Test: robotest
Change-Id: Iaa5b4c5504eccbe0290b1014bd8e25aa3d4c3dd8

src/com/android/settings/applications/appinfo/TimeSpentInAppPreferenceController.java

@@ -28,7 +28,9 @@ import androidx.annotation.VisibleForTesting;
 import androidx.preference.Preference;
 import androidx.preference.PreferenceScreen;
 
+import com.android.settings.applications.ApplicationFeatureProvider;
 import com.android.settings.core.BasePreferenceController;
+import com.android.settings.overlay.FeatureFactory;
 
 import java.util.List;
 
@@ -38,13 +40,15 @@ public class TimeSpentInAppPreferenceController extends BasePreferenceController
     static final Intent SEE_TIME_IN_APP_TEMPLATE = new Intent(Settings.ACTION_APP_USAGE_SETTINGS);
 
     private final PackageManager mPackageManager;
-
+    private final ApplicationFeatureProvider mAppFeatureProvider;
     private Intent mIntent;
     private String mPackageName;
 
     public TimeSpentInAppPreferenceController(Context context, String preferenceKey) {
         super(context, preferenceKey);
         mPackageManager = context.getPackageManager();
+        mAppFeatureProvider = FeatureFactory.getFactory(context)
+                .getApplicationFeatureProvider(context);
     }
 
     public void setPackageName(String packageName) {
@@ -80,6 +84,11 @@ public class TimeSpentInAppPreferenceController extends BasePreferenceController
         }
     }
 
+    @Override
+    public CharSequence getSummary() {
+        return mAppFeatureProvider.getTimeSpentInApp(mPackageName);
+    }
+
     private boolean isSystemApp(ResolveInfo info) {
         return info != null
                 && info.activityInfo != null