Add deprecation message.

Bug: None
Test: treehugger
Change-Id: I3a52883fba0e31f05e50cd51193bbb306418b18a
diff --git a/include/android/sensor.h b/include/android/sensor.h
index a618393..e3c1ccf 100644
--- a/include/android/sensor.h
+++ b/include/android/sensor.h
@@ -60,7 +60,7 @@
 #define __INTRODUCED_IN(__api_level) /* nothing */
 #endif
 #if !defined(__DEPRECATED_IN)
-#define __DEPRECATED_IN(__api_level) __attribute__((__deprecated__))
+#define __DEPRECATED_IN(__api_level, msg) __attribute__((__deprecated__(msg)))
 #endif
 
 #ifdef __cplusplus
@@ -748,7 +748,8 @@
  *     ASensorManager* sensorManager = ASensorManager_getInstance();
  *
  */
-ASensorManager* ASensorManager_getInstance() __DEPRECATED_IN(26);
+ASensorManager* ASensorManager_getInstance()
+        __DEPRECATED_IN(26, "Use ASensorManager_getInstanceForPackage instead");
 
 /**
  * Get a reference to the sensor manager. ASensorManager is a singleton