Call getInstanceForPackage instead of creating a new SensorManager instance.

Bug: 22529981
Change-Id: Id3adfbcf55d1268db1a555c72a06456a5219c086
diff --git a/native/android/sensor.cpp b/native/android/sensor.cpp
index 26b41e8..ca49476 100644
--- a/native/android/sensor.cpp
+++ b/native/android/sensor.cpp
@@ -39,9 +39,6 @@
 
 /*****************************************************************************/
 
-android::Mutex android::SensorManager::sLock;
-std::map<String16, SensorManager*> android::SensorManager::sPackageInstances;
-
 ASensorManager* ASensorManager_getInstance()
 {
     return ASensorManager_getInstanceForPackage(NULL);
@@ -206,4 +203,4 @@
 bool ASensor_isWakeUpSensor(ASensor const* sensor)
 {
     return static_cast<Sensor const*>(sensor)->isWakeUpSensor();
-}
\ No newline at end of file
+}