[errorprone] Fix warning InputStreamSlowMultibyteRead

Change-Id: I50dace6e310016c04f524eb0cfcce0da05fadd47

org.eclipse.jgit/src/org/eclipse/jgit/util/io/BinaryDeltaInputStream.java

@@ -82,6 +82,11 @@ public class BinaryDeltaInputStream extends InputStream {
 		return b;
 	}
 
+	@Override
+	public int read(byte[] b, int off, int len) throws IOException {
+		return super.read(b, off, len);
+	}
+
 	private void initialize() throws IOException {
 		long baseSize = readVarInt(delta);
 		if (baseSize > Integer.MAX_VALUE || baseSize < 0

org.eclipse.jgit/src/org/eclipse/jgit/util/io/BinaryHunkInputStream.java

@@ -58,6 +58,11 @@ public class BinaryHunkInputStream extends InputStream {
 		return -1;
 	}
 
+	@Override
+	public int read(byte[] b, int off, int len) throws IOException {
+		return super.read(b, off, len);
+	}
+
 	@Override
 	public void close() throws IOException {
 		in.close();