odoo/addons/google_calendar/security/ir.model.access.csv

1	id	name	model_id:id	group_id:id	perm_read	perm_write	perm_create	perm_unlink
2	access_google_calendar_all	access_google_calendar_all	model_google_calendar		1	0	0	0
3	access_google_calendar	access_google_calendar	model_google_calendar	base.group_system	1	1	1	1