Use fixed String for log tag instead of getSimpleName() (#522)

Author: tobrun

mapbox/libandroid-telemetry/src/main/java/com/mapbox/services/android/telemetry/MapboxTelemetry.java

@@ -50,7 +50,7 @@
  */
 public class MapboxTelemetry implements Callback, LocationEngineListener {
 
-  private static final String LOG_TAG = MapboxTelemetry.class.getSimpleName();
+  private static final String LOG_TAG = "MapboxTelemetry";
   private static final int UNAVAILABLE_BATTERY_LEVEL = 100;
 
   private static MapboxTelemetry instance;