private boolean isGcDetected(long startTimeMs) {
        return clock.now() - startTimeMs >= MAX_DURATION_MS;
    }
Attempts to allocate {@link Bitmap}s and returns {@code true} if there are more
{@link Bitmap}s to allocate and {@code false} otherwise.
core/src/main/java/com/bumptech/glide/load/engine/prefill/BitmapPreFillRunner.java