fix(android): enable download functionality with Android Q (#310)

Author: kpatfln

src/android/FileTransfer.java

@@ -23,6 +23,7 @@ Licensed to the Apache Software Foundation (ASF) under one
 import java.io.Closeable;
 import java.io.File;
 import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
 import java.io.FilterInputStream;
 import java.io.IOException;
 import java.io.InputStream;
@@ -792,7 +793,7 @@ public void run() {
                             // write bytes to file
                             byte[] buffer = new byte[MAX_BUFFER_SIZE];
                             int bytesRead = 0;
-                            outputStream = resourceApi.openOutputStream(targetUri);
+                            outputStream = new FileOutputStream(file);
                             while ((bytesRead = inputStream.read(buffer)) > 0) {
                                 outputStream.write(buffer, 0, bytesRead);
                                 // Send a progress event.