sensorservice: Fix SensorDevice::isSensorActive(). am: c63880a5a9 am: ad8ed3aeb9

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/15463254

Change-Id: Iefe25f6ce5e30bfdfec9bd982c3bcf22b7cd22b0