shadows/framework/src/main/java/org/robolectric/shadows/ShadowLegacyAssetManager.java
@Implementation(minSdk = P)
  protected static int nativeAssetRead(long asset_ptr, byte[] java_buffer, int offset, int len)
      throws IOException {
    return ShadowArscAssetManager9.nativeAssetRead(asset_ptr, java_buffer, offset, len);
  }
@Implementation(minSdk = P)
  protected static int nativeAssetRead(long asset_ptr, byte[] java_buffer, int offset, int len)
      throws IOException {
    return ShadowArscAssetManager9.nativeAssetRead(asset_ptr, java_buffer, offset, len);
  }
jint offset, jint len) {