Merge "Added HAL docs for unsupported LOCATION_CHARACTERIZATION behaviour." into udc-dev
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 0326ea2..f729405 100644
--- a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleProperty.aidl
+++ b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleProperty.aidl
@@ -2408,7 +2408,12 @@
* when computing the vehicle's location that is shared with Android through the GNSS HAL.
*
* The value must return a collection of bit flags. The bit flags are defined in
- * LocationCharacterization.
+ * LocationCharacterization. The value must also include exactly one of DEAD_RECKONED or
+ * RAW_GNSS_ONLY among its collection of bit flags.
+ *
+ * When this property is not supported, it is assumed that no additional sensor inputs are fused
+ * into the GNSS updates provided through the GNSS HAL. That is unless otherwise specified
+ * through the GNSS HAL interfaces.
*
* @change_mode VehiclePropertyChangeMode.STATIC
* @access VehiclePropertyAccess.READ