Optimize imports in AppNotificationSettings

Bug: 277938609
Test: builds
Change-Id: Id44390f6fc8b6294c951a7f4ec9bd37e0a364dfd
diff --git a/src/com/android/settings/notification/app/AppNotificationSettings.java b/src/com/android/settings/notification/app/AppNotificationSettings.java
index 5a14bc9..4ebac0f 100644
--- a/src/com/android/settings/notification/app/AppNotificationSettings.java
+++ b/src/com/android/settings/notification/app/AppNotificationSettings.java
@@ -18,18 +18,11 @@
 
 import android.app.settings.SettingsEnums;
 import android.content.Context;
-import android.os.Bundle;
 import android.text.TextUtils;
 import android.util.Log;
 
-import androidx.preference.Preference;
-import androidx.preference.PreferenceGroup;
-import androidx.preference.PreferenceScreen;
-import androidx.recyclerview.widget.RecyclerView;
-
 import com.android.internal.widget.LockPatternUtils;
 import com.android.settings.R;
-import com.android.settings.Utils;
 import com.android.settingslib.core.AbstractPreferenceController;
 
 import java.util.ArrayList;