Block access to sensors when Sensor Privacy Mode enabled

Test: manually verified sensor access based on state of sensor privacy
      mode.
Bug: 110842805

Change-Id: I4f2f2496356ff4a407e5c0cd32bc0abcf0c8b48f
diff --git a/services/sensorservice/SensorEventConnection.h b/services/sensorservice/SensorEventConnection.h
index 061809f..7077880 100644
--- a/services/sensorservice/SensorEventConnection.h
+++ b/services/sensorservice/SensorEventConnection.h
@@ -130,6 +130,10 @@
     void updateLooperRegistration(const sp<Looper>& looper); void
             updateLooperRegistrationLocked(const sp<Looper>& looper);
 
+    // Returns whether sensor access is available based on both the uid being active and sensor
+    // privacy not being enabled.
+    bool hasSensorAccess();
+
     sp<SensorService> const mService;
     sp<BitTube> mChannel;
     uid_t mUid;