No, the queue only applies when the administration changes the email address, not when you change it yourself. It's for recovering hacked accounts and similar. Most people don't need to care about it.
Thank you for clearing it. 
I didn't understand anything. My account is locked because of email changing. will it unlock in 7 days?
please help me clear this issue.
I think this system will be implemented from today so you may need to follow the old procedure since you locked your account for a while now.please help me clear this issue.