Minor fix to comment style.

Use a separate block for HVAC properties comments since we will use
the first line as description for the property and hvac fan speed
description will not be correct.

Test: None
Bug: 288331747
Change-Id: Ie6518dec394a3d9c90bd2cb5b38939a2cdd7cccf
diff --git a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleProperty.aidl b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleProperty.aidl
index d9c6de7..5f6b827 100644
--- a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleProperty.aidl
+++ b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleProperty.aidl
@@ -696,8 +696,9 @@
      *     and passenger side, an alternative mapping would be:
      *      - ROW_1_LEFT
      *      - ROW_1_RIGHT
-     *
-     *
+     */
+
+    /**
      * Fan speed setting
      *
      * The maxInt32Value and minInt32Value in VehicleAreaConfig must be defined.