Fix typo in sensor type using an already defined constant.

Change-Id: I209d9191456dc6c1ef2eb695c9a8348a18504a8d
diff --git a/include/hardware/sensors.h b/include/hardware/sensors.h
index ec68b2b..373724e 100644
--- a/include/hardware/sensors.h
+++ b/include/hardware/sensors.h
@@ -611,7 +611,7 @@
  * before (desk, pocket, bag). The only allowed return value is 1.0.
  * This sensor de-activates itself immediately after it triggers.
  */
-#define SENSOR_TYPE_PICK_UP_GESTURE                            (43)
+#define SENSOR_TYPE_PICK_UP_GESTURE                            (44)
 #define SENSOR_STRING_TYPE_PICK_UP_GESTURE                     "android.sensor.pick_up_gesture"
 
 /**