Don't send tail string for binaryStreamOnly option on Android

Author: davidyaha

android/src/main/java/com/rnfs/Uploader.java

@@ -159,7 +159,9 @@ private void upload(UploadParams params, UploadResult result) throws Exception {
                 fileCount++;
                 bufInput.close();
             }
-            request.writeBytes(tail);
+            if (!binaryStreamOnly) {
+                request.writeBytes(tail);
+            }
             request.flush();
             request.close();