Add Upload button for OpenAPI 2.0 file as Octet-Stream

Context

• I am using OpenAPI ver 2.0
• I have API which consumes application/octet-stream (Java InputStream)

Issue

In OpenAPI ver 2.0 I can only set input type as multipart/form-data (link). When I have applied this solution for my API I am getting following error: Unsupported Media Type which is normal.

Question

Is it possible to have upload button using OpenAPI ver 2.0 and application/octet-stream like: