Limit access to head tracker sensor
Lock down access to only internal system usage and CTS due to privacy
considerations.
Bug: 224619073
Test: run SensorHeadTrackerTest with and without "cmd unrestrict-ht"
Change-Id: I0bd37472e058c550de8d0098caa0bd439d8f12a5
diff --git a/include/android/sensor.h b/include/android/sensor.h
index 6112d5f..eef69f4 100644
--- a/include/android/sensor.h
+++ b/include/android/sensor.h
@@ -267,7 +267,8 @@
* {@link ASENSOR_TYPE_HEAD_TRACKER}
* reporting-mode: continuous
*
- * Measures the orientation and rotational velocity of a user's head.
+ * Measures the orientation and rotational velocity of a user's head. Only for internal use
+ * within the Android system.
*/
ASENSOR_TYPE_HEAD_TRACKER = 37,
/**