[Reader][a11y] Back button in Custom List submenu just says "Button" with Talkback on

[thomashorta]

Expected behavior

When the focus is on the back button of the nested submenu for Custom List in the Reader dropdown feed menu, it should say something like "Back, Button".

Actual behavior

When the focus is on the back button of the nested submenu for Custom List in the Reader dropdown feed menu, it just says "Button"

Steps to reproduce the behavior

Talkback ON. An account with custom reader lists.

1. Go to Reader
2. Open the dropdown feed menu
3. Go to "Lists"
4. ⚠️ The first focused item is the back button, but it reads as "Button"

Tested on Emulator, Android 14, JPAndroid 24.2-rc-1