Blind users can download music files by using Talkback local context menu, actions, but they cannot cancel its downloading. Allow clicking on cancel from local context menu same as download action.
1. Disable auto download for music files
2. Ask someone to send you a music file.
3. Swipe up then right to open Local context menu.
4. Click on Actions.
5. Now click on download.
6. Again, swipe up then right to open Local context menu.
7. Click on Actions. Now you will see that you can’t cancel downloading music
Telegram Android 7.4.2 (22273), Samsung Galaxy J7, 9 P (28)