Added EMERGENCY_LANE_KEEP_ASSIST_ENABLED to hardware layer.

Bug: 261743859
Test: atest VtsHalAutomotiveVehicle_TargetTest
Change-Id: I498061d9ef7f8ff5e21db96c9911f7c485377eab
diff --git a/automotive/vehicle/aidl/aidl_api/android.hardware.automotive.vehicle/current/android/hardware/automotive/vehicle/VehicleProperty.aidl b/automotive/vehicle/aidl/aidl_api/android.hardware.automotive.vehicle/current/android/hardware/automotive/vehicle/VehicleProperty.aidl
index 303bef4..06e9a52 100644
--- a/automotive/vehicle/aidl/aidl_api/android.hardware.automotive.vehicle/current/android/hardware/automotive/vehicle/VehicleProperty.aidl
+++ b/automotive/vehicle/aidl/aidl_api/android.hardware.automotive.vehicle/current/android/hardware/automotive/vehicle/VehicleProperty.aidl
@@ -239,4 +239,5 @@
   BLIND_SPOT_WARNING_ENABLED = 287313924,
   LANE_DEPARTURE_WARNING_ENABLED = 287313926,
   LANE_CENTERING_ASSIST_ENABLED = 287313930,
+  EMERGENCY_LANE_KEEP_ASSIST_ENABLED = 287313933,
 }
diff --git a/automotive/vehicle/aidl/android/hardware/automotive/vehicle/VehicleProperty.aidl b/automotive/vehicle/aidl/android/hardware/automotive/vehicle/VehicleProperty.aidl
index 5afe842..0161dce 100644
--- a/automotive/vehicle/aidl/android/hardware/automotive/vehicle/VehicleProperty.aidl
+++ b/automotive/vehicle/aidl/android/hardware/automotive/vehicle/VehicleProperty.aidl
@@ -3449,6 +3449,23 @@
     LANE_CENTERING_ASSIST_ENABLED =
             0x100A + VehiclePropertyGroup.SYSTEM + VehicleArea.GLOBAL + VehiclePropertyType.BOOLEAN,
 
+    /*
+     * Enable or disable emergency lane keep assist (ELKA).
+     *
+     * Set true to enable ELKA and false to disable ELKA. When ELKA is enabled, the ADAS system in
+     * the vehicle should be on and monitoring for unsafe lane changes by the driver. When an unsafe
+     * maneuver is detected, ELKA alerts the driver and applies steering corrections to keep the
+     * vehicle in its original lane.
+     *
+     * This property is defined as read_write, but OEMs have the option to implement it as read
+     * only.
+     *
+     * @change_mode VehiclePropertyChangeMode.ON_CHANGE
+     * @access VehiclePropertyAccess.READ_WRITE
+     */
+    EMERGENCY_LANE_KEEP_ASSIST_ENABLED =
+            0x100D + VehiclePropertyGroup.SYSTEM + VehicleArea.GLOBAL + VehiclePropertyType.BOOLEAN,
+
     /***************************************************************************
      * End of ADAS Properties
      **************************************************************************/
diff --git a/automotive/vehicle/aidl/generated_lib/cpp/AccessForVehicleProperty.h b/automotive/vehicle/aidl/generated_lib/cpp/AccessForVehicleProperty.h
index 34322f8..48bb2db 100644
--- a/automotive/vehicle/aidl/generated_lib/cpp/AccessForVehicleProperty.h
+++ b/automotive/vehicle/aidl/generated_lib/cpp/AccessForVehicleProperty.h
@@ -239,6 +239,7 @@
         {VehicleProperty::BLIND_SPOT_WARNING_ENABLED, VehiclePropertyAccess::READ_WRITE},
         {VehicleProperty::LANE_DEPARTURE_WARNING_ENABLED, VehiclePropertyAccess::READ_WRITE},
         {VehicleProperty::LANE_CENTERING_ASSIST_ENABLED, VehiclePropertyAccess::READ_WRITE},
+        {VehicleProperty::EMERGENCY_LANE_KEEP_ASSIST_ENABLED, VehiclePropertyAccess::READ_WRITE},
 };
 
 }  // namespace vehicle
diff --git a/automotive/vehicle/aidl/generated_lib/cpp/ChangeModeForVehicleProperty.h b/automotive/vehicle/aidl/generated_lib/cpp/ChangeModeForVehicleProperty.h
index 36e1709..11d78e1 100644
--- a/automotive/vehicle/aidl/generated_lib/cpp/ChangeModeForVehicleProperty.h
+++ b/automotive/vehicle/aidl/generated_lib/cpp/ChangeModeForVehicleProperty.h
@@ -239,6 +239,7 @@
         {VehicleProperty::BLIND_SPOT_WARNING_ENABLED, VehiclePropertyChangeMode::ON_CHANGE},
         {VehicleProperty::LANE_DEPARTURE_WARNING_ENABLED, VehiclePropertyChangeMode::ON_CHANGE},
         {VehicleProperty::LANE_CENTERING_ASSIST_ENABLED, VehiclePropertyChangeMode::ON_CHANGE},
+        {VehicleProperty::EMERGENCY_LANE_KEEP_ASSIST_ENABLED, VehiclePropertyChangeMode::ON_CHANGE},
 };
 
 }  // namespace vehicle
diff --git a/automotive/vehicle/aidl/generated_lib/java/AccessForVehicleProperty.java b/automotive/vehicle/aidl/generated_lib/java/AccessForVehicleProperty.java
index 4da920c..1002786 100644
--- a/automotive/vehicle/aidl/generated_lib/java/AccessForVehicleProperty.java
+++ b/automotive/vehicle/aidl/generated_lib/java/AccessForVehicleProperty.java
@@ -230,7 +230,8 @@
         Map.entry(VehicleProperty.FORWARD_COLLISION_WARNING_ENABLED, VehiclePropertyAccess.READ_WRITE),
         Map.entry(VehicleProperty.BLIND_SPOT_WARNING_ENABLED, VehiclePropertyAccess.READ_WRITE),
         Map.entry(VehicleProperty.LANE_DEPARTURE_WARNING_ENABLED, VehiclePropertyAccess.READ_WRITE),
-        Map.entry(VehicleProperty.LANE_CENTERING_ASSIST_ENABLED, VehiclePropertyAccess.READ_WRITE)
+        Map.entry(VehicleProperty.LANE_CENTERING_ASSIST_ENABLED, VehiclePropertyAccess.READ_WRITE),
+        Map.entry(VehicleProperty.EMERGENCY_LANE_KEEP_ASSIST_ENABLED, VehiclePropertyAccess.READ_WRITE)
     );
 
 }
diff --git a/automotive/vehicle/aidl/generated_lib/java/ChangeModeForVehicleProperty.java b/automotive/vehicle/aidl/generated_lib/java/ChangeModeForVehicleProperty.java
index 0aa42a4..b116edc 100644
--- a/automotive/vehicle/aidl/generated_lib/java/ChangeModeForVehicleProperty.java
+++ b/automotive/vehicle/aidl/generated_lib/java/ChangeModeForVehicleProperty.java
@@ -230,7 +230,8 @@
         Map.entry(VehicleProperty.FORWARD_COLLISION_WARNING_ENABLED, VehiclePropertyChangeMode.ON_CHANGE),
         Map.entry(VehicleProperty.BLIND_SPOT_WARNING_ENABLED, VehiclePropertyChangeMode.ON_CHANGE),
         Map.entry(VehicleProperty.LANE_DEPARTURE_WARNING_ENABLED, VehiclePropertyChangeMode.ON_CHANGE),
-        Map.entry(VehicleProperty.LANE_CENTERING_ASSIST_ENABLED, VehiclePropertyChangeMode.ON_CHANGE)
+        Map.entry(VehicleProperty.LANE_CENTERING_ASSIST_ENABLED, VehiclePropertyChangeMode.ON_CHANGE),
+        Map.entry(VehicleProperty.EMERGENCY_LANE_KEEP_ASSIST_ENABLED, VehiclePropertyChangeMode.ON_CHANGE)
     );
 
 }
diff --git a/automotive/vehicle/aidl/impl/default_config/config/DefaultProperties.json b/automotive/vehicle/aidl/impl/default_config/config/DefaultProperties.json
index 583bca0..02a5d39 100644
--- a/automotive/vehicle/aidl/impl/default_config/config/DefaultProperties.json
+++ b/automotive/vehicle/aidl/impl/default_config/config/DefaultProperties.json
@@ -2878,6 +2878,14 @@
             }
         },
         {
+            "property": "VehicleProperty::EMERGENCY_LANE_KEEP_ASSIST_ENABLED",
+            "defaultValue": {
+                "int32Values": [
+                    1
+                ]
+            }
+        },
+        {
             "property": "VehicleProperty::INITIAL_USER_INFO"
         },
         {
diff --git a/automotive/vehicle/vts/src/VtsHalAutomotiveVehicle_TargetTest.cpp b/automotive/vehicle/vts/src/VtsHalAutomotiveVehicle_TargetTest.cpp
index 2be409f..36ec2da 100644
--- a/automotive/vehicle/vts/src/VtsHalAutomotiveVehicle_TargetTest.cpp
+++ b/automotive/vehicle/vts/src/VtsHalAutomotiveVehicle_TargetTest.cpp
@@ -481,6 +481,12 @@
                             actualPropertyType);
 }
 
+TEST_P(VtsHalAutomotiveVehicleTargetTest, verifyEmergencyLaneKeepAssistEnabledConfig) {
+    verifyProperty(VehicleProperty::EMERGENCY_LANE_KEEP_ASSIST_ENABLED,
+                   VehiclePropertyAccess::READ_WRITE, VehiclePropertyChangeMode::ON_CHANGE,
+                   VehiclePropertyGroup::SYSTEM, VehicleArea::GLOBAL, VehiclePropertyType::BOOLEAN);
+}
+
 TEST_P(VtsHalAutomotiveVehicleTargetTest, verifyEvBrakeRegenerationLevelConfig) {
     verifyProperty(VehicleProperty::EV_BRAKE_REGENERATION_LEVEL,
                    VehiclePropertyAccess::READ_WRITE, VehiclePropertyChangeMode::ON_CHANGE,