Merge changes from topics "adaptive_cruise_control_enabled", "emergency_lane_keep_assist_enabled", "hands_on_detection_enabled"

* changes:
  Added HANDS_ON_DETECTION_ENABLED to hardware layer.
  Added ADAPTIVE_CRUISE_CONTROL_ENABLED to hardware layer.
  Added EMERGENCY_LANE_KEEP_ASSIST_ENABLED to hardware layer.
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 8ce206e..ec6f28a 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
@@ -242,4 +242,7 @@
   BLIND_SPOT_WARNING_ENABLED = 287313924,
   LANE_DEPARTURE_WARNING_ENABLED = 287313926,
   LANE_CENTERING_ASSIST_ENABLED = 287313930,
+  EMERGENCY_LANE_KEEP_ASSIST_ENABLED = 287313933,
+  ADAPTIVE_CRUISE_CONTROL_ENABLED = 287313935,
+  HANDS_ON_DETECTION_ENABLED = 287313941,
 }
diff --git a/automotive/vehicle/aidl/android/hardware/automotive/vehicle/VehicleProperty.aidl b/automotive/vehicle/aidl/android/hardware/automotive/vehicle/VehicleProperty.aidl
index c625caa..1f3c867 100644
--- a/automotive/vehicle/aidl/android/hardware/automotive/vehicle/VehicleProperty.aidl
+++ b/automotive/vehicle/aidl/android/hardware/automotive/vehicle/VehicleProperty.aidl
@@ -3505,6 +3505,57 @@
     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,
+
+    /**
+     * Enable or disable adaptive cruise control (ACC).
+     *
+     * Set true to enable ACC and false to disable ACC. When ACC is enabled, the ADAS system in the
+     * vehicle should be turned on and waiting for an activation signal from the driver. Once the
+     * feature is activated, the ADAS system in the car should be accelerating and braking in a way
+     * that allows the vehicle to maintain a set speed and to maintain a set distance gap from a
+     * leading vehicle.
+     *
+     * 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
+     */
+    ADAPTIVE_CRUISE_CONTROL_ENABLED =
+            0x100F + VehiclePropertyGroup.SYSTEM + VehicleArea.GLOBAL + VehiclePropertyType.BOOLEAN,
+
+    /**
+     * Enable or disable hands on detection (HOD).
+     *
+     * Set true to enable HOD and false to disable HOD. When HOD is enabled, a system inside the
+     * vehicle should be monitoring the presence of the driver's hands on the steering wheel and
+     * send a warning if it detects that the driver's hands are no longer on the steering wheel.
+     *
+     * 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
+     */
+    HANDS_ON_DETECTION_ENABLED =
+            0x1015 + 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 889a0ae..a1cd8aa 100644
--- a/automotive/vehicle/aidl/generated_lib/cpp/AccessForVehicleProperty.h
+++ b/automotive/vehicle/aidl/generated_lib/cpp/AccessForVehicleProperty.h
@@ -242,6 +242,9 @@
         {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},
+        {VehicleProperty::ADAPTIVE_CRUISE_CONTROL_ENABLED, VehiclePropertyAccess::READ_WRITE},
+        {VehicleProperty::HANDS_ON_DETECTION_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 478f8f4..ef02f38 100644
--- a/automotive/vehicle/aidl/generated_lib/cpp/ChangeModeForVehicleProperty.h
+++ b/automotive/vehicle/aidl/generated_lib/cpp/ChangeModeForVehicleProperty.h
@@ -242,6 +242,9 @@
         {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},
+        {VehicleProperty::ADAPTIVE_CRUISE_CONTROL_ENABLED, VehiclePropertyChangeMode::ON_CHANGE},
+        {VehicleProperty::HANDS_ON_DETECTION_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 99c99ab..8c93c50 100644
--- a/automotive/vehicle/aidl/generated_lib/java/AccessForVehicleProperty.java
+++ b/automotive/vehicle/aidl/generated_lib/java/AccessForVehicleProperty.java
@@ -233,7 +233,10 @@
         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),
+        Map.entry(VehicleProperty.ADAPTIVE_CRUISE_CONTROL_ENABLED, VehiclePropertyAccess.READ_WRITE),
+        Map.entry(VehicleProperty.HANDS_ON_DETECTION_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 038bb60..b47e148 100644
--- a/automotive/vehicle/aidl/generated_lib/java/ChangeModeForVehicleProperty.java
+++ b/automotive/vehicle/aidl/generated_lib/java/ChangeModeForVehicleProperty.java
@@ -233,7 +233,10 @@
         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),
+        Map.entry(VehicleProperty.ADAPTIVE_CRUISE_CONTROL_ENABLED, VehiclePropertyChangeMode.ON_CHANGE),
+        Map.entry(VehicleProperty.HANDS_ON_DETECTION_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 f969692..bcf629a 100644
--- a/automotive/vehicle/aidl/impl/default_config/config/DefaultProperties.json
+++ b/automotive/vehicle/aidl/impl/default_config/config/DefaultProperties.json
@@ -2961,6 +2961,30 @@
             }
         },
         {
+            "property": "VehicleProperty::EMERGENCY_LANE_KEEP_ASSIST_ENABLED",
+            "defaultValue": {
+                "int32Values": [
+                    1
+                ]
+            }
+        },
+        {
+            "property": "VehicleProperty::ADAPTIVE_CRUISE_CONTROL_ENABLED",
+            "defaultValue": {
+                "int32Values": [
+                    1
+                ]
+            }
+        },
+        {
+            "property": "VehicleProperty::HANDS_ON_DETECTION_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 6f7368f..e0fd011 100644
--- a/automotive/vehicle/vts/src/VtsHalAutomotiveVehicle_TargetTest.cpp
+++ b/automotive/vehicle/vts/src/VtsHalAutomotiveVehicle_TargetTest.cpp
@@ -481,6 +481,24 @@
                             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, verifyAdaptiveCruiseControlEnabledConfig) {
+    verifyProperty(VehicleProperty::ADAPTIVE_CRUISE_CONTROL_ENABLED,
+                   VehiclePropertyAccess::READ_WRITE, VehiclePropertyChangeMode::ON_CHANGE,
+                   VehiclePropertyGroup::SYSTEM, VehicleArea::GLOBAL, VehiclePropertyType::BOOLEAN);
+}
+
+TEST_P(VtsHalAutomotiveVehicleTargetTest, verifyHandsOnDetectionEnabledConfig) {
+    verifyProperty(VehicleProperty::HANDS_ON_DETECTION_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,