Add DeviceConfig namespace for Vendor System Native

Bug: 226456604
Test: Build
Change-Id: I33d31d92393cbe7433c4c73420ba56afed028c0c

core/java/android/provider/DeviceConfig.java

@@ -731,6 +731,13 @@ public final class DeviceConfig {
     public static final String NAMESPACE_AMBIENT_CONTEXT_MANAGER_SERVICE =
             "ambient_context_manager_service";
 
+    /**
+     * Namespace for Vendor System Native related features.
+     *
+     * @hide
+     */
+    public static final String NAMESPACE_VENDOR_SYSTEM_NATIVE = "vendor_system_native";
+
     private static final Object sLock = new Object();
     @GuardedBy("sLock")
     private static ArrayMap<OnPropertiesChangedListener, Pair<String, Executor>> sListeners =

services/core/java/com/android/server/am/SettingsToPropertiesMapper.java

@@ -97,6 +97,7 @@ public class SettingsToPropertiesMapper {
         DeviceConfig.NAMESPACE_SURFACE_FLINGER_NATIVE_BOOT,
         DeviceConfig.NAMESPACE_SWCODEC_NATIVE,
         DeviceConfig.NAMESPACE_TETHERING,
+        DeviceConfig.NAMESPACE_VENDOR_SYSTEM_NATIVE,
         DeviceConfig.NAMESPACE_VIRTUALIZATION_FRAMEWORK_NATIVE,
         DeviceConfig.NAMESPACE_WINDOW_MANAGER_NATIVE_BOOT,
     };