Create a new apps page for silky home

- Change recent apps to the list view.
- Remove Conversations, Notifications and Permission manager.
- Remove Wireless emergency alerts and Special app access.
- Show App info preference if there's no recent apps.
- Show general category with recent apps.
- Use this page as the new apps entry on homepage for silky home.
- Make old apps page unsearchable when silky home is enabled.
- Exported new apps page in AndroidManifest.

Bug: 168166015
Bug: 174964405
Test: robotest & visual
Change-Id: I50d35a9d4723612214fce45a9e129fc175bc6831

src/com/android/settings/core/gateway/SettingsGateway.java

@@ -35,6 +35,7 @@ import com.android.settings.accounts.AccountSyncSettings;
 import com.android.settings.accounts.ChooseAccountFragment;
 import com.android.settings.accounts.ManagedProfileSettings;
 import com.android.settings.applications.AppAndNotificationDashboardFragment;
+import com.android.settings.applications.AppDashboardFragment;
 import com.android.settings.applications.ProcessStatsSummary;
 import com.android.settings.applications.ProcessStatsUi;
 import com.android.settings.applications.UsageAccessDetails;
@@ -289,6 +290,7 @@ public class SettingsGateway {
             ConnectedDeviceDashboardFragment.class.getName(),
             UsbDetailsFragment.class.getName(),
             AppAndNotificationDashboardFragment.class.getName(),
+            AppDashboardFragment.class.getName(),
             WifiCallingDisclaimerFragment.class.getName(),
             AccountDashboardFragment.class.getName(),
             EnterprisePrivacySettings.class.getName(),
@@ -317,6 +319,7 @@ public class SettingsGateway {
             Settings.NetworkDashboardActivity.class.getName(),
             Settings.ConnectedDeviceDashboardActivity.class.getName(),
             Settings.AppAndNotificationDashboardActivity.class.getName(),
+            Settings.AppDashboardActivity.class.getName(),
             Settings.DisplaySettingsActivity.class.getName(),
             Settings.SoundSettingsActivity.class.getName(),
             Settings.StorageDashboardActivity.class.getName(),