Use SDL_test + don't use macros

The structure of the existing loop makes the inner loop of the previous commit unnecessary.

Manual backport of 558630d59c

(cherry picked from commit 62f35ab1b6)

src/sensor/android/SDL_androidsensor.c

@@ -161,7 +161,7 @@ static void SDL_ANDROID_SensorUpdate(SDL_Sensor *sensor)
     ASensorEvent event;
     struct android_poll_source *source;
 
-    if (ALooper_pollAll(0, NULL, &events, (void **)&source) == LOOPER_ID_USER) {
+    if (ALooper_pollOnce(0, NULL, &events, (void **)&source) == LOOPER_ID_USER) {
         SDL_zero(event);
         while (ASensorEventQueue_getEvents(sensor->hwdata->eventqueue, &event, 1) > 0) {
             SDL_PrivateSensorUpdate(sensor, 0, event.data, SDL_arraysize(event.data));