Add VEHICLE_HVAC_FAN_DIRECTION_FACE_AND_FLOOR_FLAG

Change-Id: Ic7769f7d2af0a0d3a028a0b4ac105855f24d5938
(cherry picked from commit b6de2ef388d0573044e940c405d7d87240b01ca4)
diff --git a/include/hardware/vehicle.h b/include/hardware/vehicle.h
index 22c69bb..9e9f677 100644
--- a/include/hardware/vehicle.h
+++ b/include/hardware/vehicle.h
@@ -272,8 +272,9 @@
  * Bit flags for fan direction
  */
 enum vehicle_hvac_fan_direction_flags {
-    VEHICLE_HVAC_FAN_DIRECTION_FACE_FLAG    = 0x1,
-    VEHICLE_HVAC_FAN_DIRECTION_FLOOR_FLAG   = 0x2
+    VEHICLE_HVAC_FAN_DIRECTION_FACE_FLAG            = 0x1,
+    VEHICLE_HVAC_FAN_DIRECTION_FLOOR_FLAG           = 0x2,
+    VEHICLE_HVAC_FAN_DIRECTION_FACE_AND_FLOOR_FLAG  = 0x3
 };
 
 /**