fix(android): accelerometer logs warnings on exit

Fixes TIMOB-28272

android/modules/accelerometer/src/java/ti/modules/titanium/accelerometer/AccelerometerModule.java

@@ -9,6 +9,7 @@
 import org.appcelerator.kroll.KrollDict;
 import org.appcelerator.kroll.KrollModule;
 import org.appcelerator.kroll.KrollProxy;
+import org.appcelerator.kroll.KrollRuntime;
 import org.appcelerator.kroll.annotations.Kroll;
 import org.appcelerator.titanium.util.TiSensorHelper;
 
@@ -28,6 +29,22 @@ public class AccelerometerModule extends KrollModule implements SensorEventListe
 	public AccelerometerModule()
 	{
 		super();
+
+		// Set up a listener to be invoked when the JavaScript runtime is about to be terminated/disposed.
+		KrollRuntime.addOnDisposingListener(new KrollRuntime.OnDisposingListener() {
+			@Override
+			public void onDisposing(KrollRuntime runtime)
+			{
+				// Remove this listener from the runtime's static collection.
+				KrollRuntime.removeOnDisposingListener(this);
+
+				// Unregister the sensor listener.
+				if (accelerometerRegistered) {
+					TiSensorHelper.unregisterListener(Sensor.TYPE_ACCELEROMETER, AccelerometerModule.this);
+					accelerometerRegistered = false;
+				}
+			}
+		});
 	}
 
 	@Override