use L10n-friendly runtime number formatting based on locale

Arabic use Western or Eastern numbers depends on the regions.

Bug: 276479321
Test: atest AccessibilityButtonFooterPreferenceControllerTest
Test: manual
Change-Id: I855f4fd891893b094163b0d479bdf3e5155dffc1

src/com/android/settings/security/ScreenPinningSettings.java

@@ -20,6 +20,7 @@ import android.app.settings.SettingsEnums;
 import android.content.Context;
 import android.content.DialogInterface;
 import android.content.Intent;
+import android.icu.text.MessageFormat;
 import android.os.Bundle;
 import android.os.UserHandle;
 import android.os.UserManager;
@@ -242,9 +243,10 @@ public class ScreenPinningSettings extends SettingsPreferenceFragment
     }
 
     private CharSequence getAppPinningContent() {
-        return isGuestModeSupported()
-                ? getActivity().getText(R.string.screen_pinning_guest_user_description)
-                : getActivity().getText(R.string.screen_pinning_description);
+        final int stringResource = isGuestModeSupported()
+                ? R.string.screen_pinning_guest_user_description
+                : R.string.screen_pinning_description;
+        return MessageFormat.format(getActivity().getString(stringResource), 1, 2, 3);
     }
 
     /**