[FIX] hr_timesheet(_sheet): access rights on report

hr.timesheet.report was moved from hr_timesheet_sheet to hr_timesheet but not the ir.model.access
Avoid warning "The model hr.timesheet.report has no access rules, consider adding one."
Fixes #3319
[FIX] hr_timehseet: restrict access right

Fix error while moving it at ca209eb
Merge branch '8.0' of https://github.com/odoo/odoo into 8.0-win32