change seat zone to left, center, right rather than 1, 2, 3

- remove ambiguity

bug: 25183740
Change-Id: I38800d4f267cb15b672cd9296186a794af9062b6
diff --git a/include/hardware/vehicle.h b/include/hardware/vehicle.h
index 71c57bc..4de3785 100644
--- a/include/hardware/vehicle.h
+++ b/include/hardware/vehicle.h
@@ -1160,17 +1160,17 @@
  * Various Seats in the car.
  */
 enum vehicle_seat {
-    VEHICLE_SEAT_DRIVER_LHD        = 0x0001,
-    VEHICLE_SEAT_DRIVER_RHD        = 0x0002,
-    VEHICLE_SEAT_ROW_1_PASSENGER_1 = 0x0010,
-    VEHICLE_SEAT_ROW_1_PASSENGER_2 = 0x0020,
-    VEHICLE_SEAT_ROW_1_PASSENGER_3 = 0x0040,
-    VEHICLE_SEAT_ROW_2_PASSENGER_1 = 0x0100,
-    VEHICLE_SEAT_ROW_2_PASSENGER_2 = 0x0200,
-    VEHICLE_SEAT_ROW_2_PASSENGER_3 = 0x0400,
-    VEHICLE_SEAT_ROW_3_PASSENGER_1 = 0x1000,
-    VEHICLE_SEAT_ROW_3_PASSENGER_2 = 0x2000,
-    VEHICLE_SEAT_ROW_3_PASSENGER_3 = 0x4000
+    VEHICLE_SEAT_DRIVER_LHD             = 0x0001,
+    VEHICLE_SEAT_DRIVER_RHD             = 0x0002,
+    VEHICLE_SEAT_ROW_1_PASSENGER_LEFT   = 0x0010,
+    VEHICLE_SEAT_ROW_1_PASSENGER_CENTER = 0x0020,
+    VEHICLE_SEAT_ROW_1_PASSENGER_RIGHT  = 0x0040,
+    VEHICLE_SEAT_ROW_2_PASSENGER_LEFT   = 0x0100,
+    VEHICLE_SEAT_ROW_2_PASSENGER_CENTER = 0x0200,
+    VEHICLE_SEAT_ROW_2_PASSENGER_RIGHT  = 0x0400,
+    VEHICLE_SEAT_ROW_3_PASSENGER_LEFT   = 0x1000,
+    VEHICLE_SEAT_ROW_3_PASSENGER_CENTER = 0x2000,
+    VEHICLE_SEAT_ROW_3_PASSENGER_RIGHT  = 0x4000
 };
 
 /**