Added SEAT_CUSHION_SIDE_SUPPORT_POS to hardware layer.

Bug: 257268342
Test: atest VtsHalAutomotiveVehicle_TargetTest
Change-Id: I2f8a64399f634a930e55d16700009652063adee6
diff --git a/automotive/vehicle/vts/src/VtsHalAutomotiveVehicle_TargetTest.cpp b/automotive/vehicle/vts/src/VtsHalAutomotiveVehicle_TargetTest.cpp
index e8c816f..d57ef64 100644
--- a/automotive/vehicle/vts/src/VtsHalAutomotiveVehicle_TargetTest.cpp
+++ b/automotive/vehicle/vts/src/VtsHalAutomotiveVehicle_TargetTest.cpp
@@ -541,6 +541,12 @@
                    VehicleArea::SEAT, VehiclePropertyType::BOOLEAN);
 }
 
+TEST_P(VtsHalAutomotiveVehicleTargetTest, verifySeatCushionSideSupportPosConfig) {
+    verifyProperty(VehicleProperty::SEAT_CUSHION_SIDE_SUPPORT_POS,
+                   VehiclePropertyAccess::READ_WRITE, VehiclePropertyChangeMode::ON_CHANGE,
+                   VehiclePropertyGroup::SYSTEM, VehicleArea::SEAT, VehiclePropertyType::INT32);
+}
+
 std::vector<ServiceDescriptor> getDescriptors() {
     std::vector<ServiceDescriptor> descriptors;
     for (std::string name : getAidlHalInstanceNames(IVehicle::descriptor)) {