Clean code

ijkplayer/src/main/java/tv/danmaku/ijk/media/player/misc/IMediaDataSource.java

@@ -21,6 +21,7 @@ import java.io.IOException;
 
 @SuppressWarnings("RedundantThrows")
 public interface IMediaDataSource {
+
     int readAt(long position, byte[] buffer, int offset, int size) throws IOException;
 
     long getSize() throws IOException;