Add note about IOException when using bigger setDataSource call

android/src/main/java/com/brentvatne/react/ReactVideoView.java

@@ -253,6 +253,10 @@ public class ReactVideoView extends ScalableVideoView implements MediaPlayer.OnP
                     headers.putAll(toStringMap(mRequestHeaders));
                 }
 
+                /* According to https://github.com/react-native-community/react-native-video/pull/537
+                 *   there is an issue with this where it can cause a IOException.
+                 * TODO: diagnose this exception and fix it
+                 */
                 setDataSource(mThemedReactContext, parsedUrl, headers);
             } else if (isAsset) {
                 if (uriString.startsWith("content://")) {