Add PermissionControllerService.isRoleVisible() for app info shortcut.

The default app shortcut in app info inside Settings needs to know if
a role is visible, and whether it is visible is controlled logic in
PermissionController, hence add this API.

Bug: 124452117
Bug: 124457823
Test: manual
Change-Id: I6058dea3bbda8b06d2fb9bab35268397227dd37b