Add HAL changes for LANE_KEEP_ASSIST_STATE

This property supports error states in addition to its own state.
This is why the comments mention two @data_enums for this property.
This works because states are integer values so as long as all states
have distinct integer values, this functions correctly.

Bug: 264946157
Test: atest VtsHalAutomotiveVehicle_TargetTest
Test: atest CtsCarTestCases:CarPropertyManagerTest
Test: atest CtsCarTestCases:VehiclePropertyIdsTest
Test: atest CtsCarTestCases:LaneKeepAssistStateTest
Test: atest AndroidCarApiTest:LaneKeepAssistStateTest
Change-Id: I60ea32b21dc79d692eeb733e4b38deb16a3231f2
diff --git a/automotive/vehicle/vts/src/VtsHalAutomotiveVehicle_TargetTest.cpp b/automotive/vehicle/vts/src/VtsHalAutomotiveVehicle_TargetTest.cpp
index 6b0fb1b..57b57e9 100644
--- a/automotive/vehicle/vts/src/VtsHalAutomotiveVehicle_TargetTest.cpp
+++ b/automotive/vehicle/vts/src/VtsHalAutomotiveVehicle_TargetTest.cpp
@@ -726,6 +726,12 @@
                    VehicleArea::GLOBAL, VehiclePropertyType::BOOLEAN);
 }
 
+TEST_P(VtsHalAutomotiveVehicleTargetTest, verifyLaneKeepAssistStateConfig) {
+    verifyProperty(VehicleProperty::LANE_KEEP_ASSIST_STATE, VehiclePropertyAccess::READ,
+                   VehiclePropertyChangeMode::ON_CHANGE, VehiclePropertyGroup::SYSTEM,
+                   VehicleArea::GLOBAL, VehiclePropertyType::INT32);
+}
+
 TEST_P(VtsHalAutomotiveVehicleTargetTest, verifyLaneCenteringAssistEnabledConfig) {
     verifyProperty(VehicleProperty::LANE_CENTERING_ASSIST_ENABLED,
                    VehiclePropertyAccess::READ_WRITE, VehiclePropertyChangeMode::ON_CHANGE,