Add java APIs for Sensor reportingMode.

Change-Id: Iba6bb11f990d9966b86bf02d70ced7312f3e64a8
diff --git a/native/android/sensor.cpp b/native/android/sensor.cpp
index 3f37ed1..b09bc2e 100644
--- a/native/android/sensor.cpp
+++ b/native/android/sensor.cpp
@@ -171,3 +171,8 @@
 {
     return static_cast<Sensor const*>(sensor)->getStringType().string();
 }
+
+int ASensor_getReportingMode(ASensor const* sensor)
+{
+    return static_cast<Sensor const*>(sensor)->getReportingMode();
+}